english q1/2017 - Audio Design GmbH

english q1/2017 - Audio Design GmbH
ENGLISH Q1/2017
Intro
WE ARE AUDIOTEC FISCHER
Since
its
foundation
in
1990
Audiotec ­
­
Fischer has developed from a
niche supplier to one of the most recognized car audio manufacturers worldwide.
Audiotec Fischer stands for "Made
in Germany" like no other car ­audio
manufacturer. Every single product is developed in-house from the
very first idea till its minutest detail
- one of our key factors for cuttingedge technology and unparalleled flexibility.
Besides that we predominantly rely on local suppliers to
warrant an unsurpassed supply chain.
DIN EN ISO 9001:2008
­certified since 2005
DIN EN ISO 14001:2009
­certified since 2014
With its innovative products Audiotec Fischer has not only become a
technological leader for the aftermarket but as well a valued supplier
for many car makers. All our products are designed and manufactured according to the highest standards of the automobile industry.
Our exceptional 100% quality control is another basic
principle for our success and reflects the philosophy of
For that reason Audiotec Fischer has been certified according to
the company. It is not surprising that Audiotec Fischer
DIN EN ISO 9001:2008 and DIN EN ISO 14001:2009 in order to as-
has received numerous awards from the international
sure outstanding quality and reliability.
press and frenetic feedback from our worldwide customers over the years.
www.audiotec-fischer.com
Processors........................................4
DSP.2............................................................................................................ 4
DSP PRO MK2. . ............................................................................................. 5
Amplifiers..........................................6
G FIVE / G FOUR / G TWO / G ONE................................................................................6
H 400X.......................................................................................................... 7
V EIGHT DSP.................................................................................................................... 8
P SIX DSP MK2 ............................................................................................................... 9
A4 / A2........................................................................................................ 10
SPXL 1000.. ................................................................................................. 11
Loudspeakers................................12
B 62C.2 / B 52C.2 / B 6X.2 / B 5X.2 / B 4X.2 / B 69X.2................................. 12
E 62C.2 / E 52C.2 / E 42C.2 / E 6X.2 / E 5X.2 / E 4X.2................................. 14
P 63C / P 62C / P 52C / P 1T / P 3M / P 5B / P 6B........................................ 16
C 63C / C 62C / C 1T / C 2M / C 6B.............................................................. 18
Subwoofers................................... 20
SINGLE SUBWOOFERS
K 12W / K 10W................................................................................................................20
E 12W / E 10W / E 8W.................................................................................................... 21
Q 15W / Q 12W / Q 10W.................................................................................................22
SPXL 12...................................................................................................... 23
ENCLOSURE SUBWOOFERS
K 12E / K 10E.............................................................................................. 24
Accessories................................... 25
EXTENSION CARDS.. .................................................................................. 25
REMOTE CONTROLS.................................................................................. 26
A AC.2 / CAPS / MTK. . .................................................................................. 27
DSP PC-Tool................................... 28
Technology.................................... 30
Processors
DSP.2
Digital 8-channel signal processor with
48 kHz / 24 Bit signal path
Features:
• E
xtremely powerful “fixed point” Audio DSP with 64 Bit resolution and
1.2 billion MAC operations per second
• H
ELIX Extension Card slot (HEC) for additional input / output modules like
Bluetooth ® Audio Streaming
• S
mart highlevel input with ADEP circuit (Advanced Diagnostics Error
Protection)
• S
tart-Stop capability down to 6V supply voltage
• Freely definable signal routing with separate matrices for line, SPDIF and HEC/AUX
• " Ground lift" switch to avoid ground loops
• C
ontrol input for connecting remote controls and accessories
• T
ime alignment with up to 20 ms delay time per channel, additionally reverse
time alignment for in-phase summation of the inputs
• O
ptimized signal path and power supply for further improved sound quality
DSP.2
Inputs
6 x RCA / Cinch
Sampling rate
48 kHz
6 x Highlevel speaker input
Signal converters
A/D: BurrBrown
D/A: BurrBrown
1 x Optical SPDIF (12 - 96 kHz)
1 x Remote In
Input sensitivity
RCA / Cinch 2 - 4 Volts
Signal-to-noise ratio digital input
112 dB (A-weighted)
Signal-to-noise ratio analog input
107 dB (A-weighted)
Distortion (THD+N)
< 0.0008 % (digital input)
< 0.002 % (analog input)
Highlevel 3.5 - 11 Volts
8 x RCA / Cinch
Crosstalk
> 90 dB
1 x Remote Out (max. 500 mA)
Operating voltage
9.6 - 18 Volts (5 sec. down to 6 Volts)
Output voltage
6 Volts
Current draw
< 480 mA
Frequency response
10 - 22,000 Hz
Additional features
HEC slot, Ground lift switch, Control Input,
DSP resolution
64 Bit
DSP power
295 MHz (1.2 billion MAC operations/second)
Outputs
4
ADEP circuit, Auto Remote switch
Dimensions (H x W x D)
40 x 177 x 120 mm / 1.58 x 6.97 x 4.72"
Processors
DSP PRO MK2
Digital High-Res 10-channel signal
processor with 96 kHz / 32 Bit signal path
Features:
• E
xtremely powerful “fixed point” Audio DSP with 64 Bit resolution and
1.2 billion MAC operations per second
• A
D and DA signal converters of the latest generation with a native resolution of
32 Bit
• H
igh Resolution audio bandwidth up to more than 40 kHz for unrivalled sound
quality
• H
ELIX Extension Card slot (HEC) for additional input / output modules like
Bluetooth ® Audio Streaming
• S
mart highlevel input with ADEP circuit (Advanced Diagnostics Error Protection)
• S
tart-Stop capability down to 6V supply voltage
• Freely definable signal routing with separate matrices for line, SPDIF and HEC/AUX
• " Ground lift" switch to avoid ground loops
• C
ontrol input for connecting remote controls and accessories
• T
ime alignment with up to 20 ms delay time per channel, additionally reverse
time alignment for in-phase summation of the inputs
DSP PRO MK2
Inputs
8 x RCA / Cinch
Sampling rate
96 kHz
8 x Highlevel speaker input
Signal converters
A/D: Asahi Kasei 32 Bit
D/A: Asahi Kasei 32 Bit
1 x Optical SPDIF (12 – 96 kHz)
Input sensitivity
1 x Coax SPDIF (12 - 192 kHz)
Signal-to-noise ratio digital input
1 x Remote In
Signal-to-noise ratio analog input
116 dB (A-weighted)
110 dB (A-weighted)
RCA / Cinch 2 - 4 Volts
Distortion (THD+N)
< 0.0005 % (digital input)
< 0.001 % (analog input)
Highlevel 5 - 10 Volts or 10 - 20 Volts
10 x RCA / Cinch
Crosstalk
> 90 dB
1 x Remote Out (max. 500 mA)
Operating voltage
9.6 - 18 Volts (5 sec. down to 6 Volts)
Output voltage
8 Volts
Current draw
510 mA
Frequency response
10 - 44,000 Hz
Additional features
HEC slot, Ground lift switch, Control Input,
DSP resolution
64 Bit
DSP power
295 MHz (1.2 billion MAC operations/second)
Outputs
ADEP circuit, Auto Remote switch
Dimensions (H x W x D)
40 x 177 x 150 mm / 1.58 x 6.97 x 5.91"
5
Amplifiers
G FIVE
5-channel Class AB /
Class D amplifier
G FOUR
4-channel Class AB amplifier
G TWO
2-channel Class AB amplifier
with 1 Ohm stability
Features:
• S
tart-Stop capability down to 6V supply voltage
• S
mart highlevel input with ADEP circuit (Advanced Diagnostics Error
Protection)
• F
ully active crossover with highpass, lowpass, bandpass and bass boost
• E
xtremely stable output stage with high-current power transistors - 1 Ohm
stability (G TWO / G ONE)
• C
able remote control for volume adjustment included in delivery
• " Input mode" switch for flexible input signal routing
• H
ighlevel input sensitivity up to 14 Volts max.
• S
MD (Surface Mounted Device) manufacturing technology combines
minimum space requirement with maximum reliability
• E
xclusive compact and clean design with illuminated HELIX-logo
G ONE
1-channel Class D amplifier
with 1 Ohm stability
G FIVE
G FOUR
G TWO
G ONE
- @ 4 Ohms
4 x 80 / 160 + 1 x 360 / 720 Watts
4 x 80 / 160 Watts
2 x 125 / 250 Watts
1 x 390 / 780 Watts
- @ 2 Ohms
4 x 120 / 240 + 1 x 600 / 1,200 Watts 4 x 120 / 240 Watts
- @ 1 Ohm
-
-
- bridged @ 4 Ohms
2 x 240 / 480 + 1 x 360 / 720 Watts
2 x 240 / 480 Watts
1 x 400 / 800 Watts
-
- bridged @ 2 Ohms
-
-
1 x 600 / 1,200 Watts
-
Frequency response
10 - 40,000 Hz
10 - 40,000 Hz
10 - 40,000 Hz
10 - 250 Hz
Bass boost
0 - 12 dB / 45 Hz
0 - 12 dB / 45 Hz
0 - 12 dB / 45 Hz
0 - 12 dB / 25 - 50 Hz
Highpass
15 - 4,000 Hz adjustable
15 - 4,000 Hz adjustable
15 - 4,000 Hz adjustable
-
Lowpass
40 - 4,000 Hz adjustable
40 - 4,000 Hz adjustable
40 - 4,000 Hz adjustable
50 - 250 Hz adjustable
Bandpass
15 - 4,000 Hz adjustable
15 - 4,000 Hz adjustable
15 - 4,000 Hz adjustable
10 - 250 Hz adjustable
Subsonic
15 - 50 Hz adjustable
-
-
10 - 50 Hz adjustable
Distortion (THD)
0.02 %
0.02 %
0.02 %
0.05 %
Signal-to-noise ratio
105 dB (A-weighted)
108 dB (A-weighted)
106 dB (A-weighted)
95 dB (A-weighted)
Input sensitivity
2.5 - 14 Volts (Highlevel),
2.5 - 14 Volts (Highlevel),
2.5 - 14 Volts (Highlevel),
2.5 - 14 Volts (Highlevel),
1 - 6 Volts (RCA / Cinch)
1 - 6 Volts (RCA / Cinch)
1 - 6 Volts (RCA / Cinch)
1 - 6 Volts (RCA / Cinch)
57 x 445 x 241 mm /
57 x 334 x 241 mm /
57 x 334 x 241 mm /
57 x 334 x 241 mm /
2.24 x 17.52 x 9.50”
2.24 x 13.15 x 9.50”
2.24 x 13.15 x 9.50”
2.24 x 13.15 x 9.50”
Output power RMS / max.
Dimensions (H x W x D)
6
2 x 200 / 400 Watts
1 x 675 / 1,350 Watts
2 x 300 / 600 Watts
1 x 920 / 1,840 Watts
Classic
Amplifiers
Classic
Line
H 400X
4-channel Class AB amplifier with
­integrated active crossover
Features:
• E
xtremely stable amplifiers in an extraordinary shallow heatsink
• U
nique Bipolar output transistor technology for unparalleled natural and warm
sound experience
• F
astest drivers for lowest possible THD
• P
rocessor-controlled technology for optimized operation
• F
ully active crossover with highpass, lowpass and bandpass filter
• " Input mode" switch for flexible input signal routing
• R
MI (Realmixed Input) for generating an optimised mono-summing signal from
the left and right channels
• S
mart protection circuits against overheating, over- and undervoltage,
speaker short circuiting, low impedance and faulty connection
• 2
4 carat gold-plated solid connection terminals suitable for 25 mm² / gauge 4
• C
ompletely made in Germany by using only selected components
H 400X
Still successful
The
Output power RMS / max.
first
HELIX
amplifier
which
- @ 4 Ohms
4 x 70 / 140 Watts
was launched in 2001 still remains
- @ 2 Ohms
4 x 125 / 250 Watts
­successful.
- bridged @ 4 Ohms
2 x 250 / 500 Watts
With its extremely fast ­MOSFET driver
Frequency response
20 - 20,000 Hz
Highpass
15 - 4,000 Hz adjustable
Lowpass
15 - 4,000 Hz adjustable
Bandpass
15 - 4,000 Hz adjustable
Distortion (THD)
< 0.009 %
Signal-to-noise ratio
> 100 dB
Damping factor
> 300
Input sensitivity
0.7 - 8 Volts
Dimensions (H x W x D)
31.5 x 200 x 336 mm / 1.24 x 7.87 x 13.23"
circuits in Class A operation combined
with enormously load-stable, powerpotent "afterburners" in bipolar technology it combines the best of both worlds.
Improved again and again over the
years, this powerhouse with its natural sound characteristic, transparent
plexi cover and extraordinary shallow
­heatsink has reached a sound level that
is unrivalled.
7
Amplifiers
V EIGHT DSP
8-channel Pure Class GD amplifier with
­integrated 10-channel DSP
Features:
• N
ew "Pure Class GD" concept for outstanding sound quality combined with
best possible efficiency
• C
utting-edge, extremely powerful "fixed point" Audio DSP with 64 Bit
resolution and 1.2 billion MAC operations per second
• E
ight speaker outputs with up to 120 Watts RMS into 2 Ohms
• T
wo processed RCA outputs
• Inputs: 6 x RCA, 6 x Highlevel with up to 20V RMS input sensitivity, optical
SPDIF input
• S
mart highlevel input with ADEP circuit (Advanced Diagnostics Error Protection)
• H
ELIX Extension Card slot (HEC) for additional input / output modules like
Bluetooth® Audio Streaming
• A
utomatic Remote switch
• Compact design with low heat dissipation thanks to extraordinary efficiency
V EIGHT DSP
DSP resolution
64 Bit
- @ 4 Ohms
75 Watts per channel (≤ 1% THD+N)
DSP power
295 MHz (1.2 billion MAC operations/second)
- @ 2 Ohms
120 Watts per channel (≤ 1% THD+N)
Sampling rate
48 kHz
Inputs
6 x RCA / Cinch
Signal converters
A/D: BurrBrown
Output power RMS
D/A: BurrBrown
6 x Highlevel speaker input
1 x Optical SPDIF (12 - 96 kHz)
Signal-to-noise ratio digital input
105 dB (A-weighted)
1 x Remote In
Signal-to-noise ratio analog input
100 dB (A-weighted)
RCA / Cinch 2 - 4 Volts or 4 - 8 Volts
Distortion (THD)
< 0.015 %
Highlevel 5 - 10 Volts or 10 - 20 Volts
Damping factor
> 70
8 x Speaker
Input impedance RCA / Cinch
10 kOhms
2 x RCA / Cinch
Input impedance highlevel
13 Ohms or 13 kOhms
2 x Remote Out
Operating voltage
10.5 - 16 Volts (max. 5 sec. down to 6 Volts)
Output voltage RCA / Cinch
3 Volts RMS
Additional features
Control Input, USB, HEC slot
Frequency response
20 - 22,000 Hz
Dimensions (H x W x D)
44 x 220 x 180 mm / 1.73 x 8.66 x 7.09"
Input sensitivity
Outputs
8
Amplifiers
P SIX DSP MK2
6-channel Ultra HD Class D amplifier with
integrated high-end 8-channel DSP
Features:
• N
ew "Ultra HD Class D" concept which combines the high-end sound quality
of Class AB technology with the benefits of Class D amplifiers
• F
ull audio bandwidth up to more than 40 kHz thanks to 96 kHz sampling rate
• C
utting-edge, extremely powerful "fixed point" Audio DSP with 64 Bit
resolution and 1.2 billion MAC operations per second
• S
ix speaker outputs with up to 230 Watts RMS into 2 Ohms
• T
wo processed RCA outputs
• Inputs: 6 x RCA, 6 x Highlevel with up to 20V RMS input sensitivity, optical
SPDIF input
• H
ELIX Extension Card slot (HEC) for additional input / output modules like
Bluetooth® Audio Streaming
• 2
4 Volts compatible without making any changes to the unit
• Compact design with low heat dissipation thanks to extraordinary efficiency
P SIX DSP MK2
DSP resolution
64 Bit
- Channel A - F @ 4 Ohms
120 Watts per channel (≤ 1% THD+N)
DSP power
295 MHz (1.2 billion MAC operations/second)
- Channel C - F @ 2 Ohms
230 Watts per channel (≤ 1% THD+N)
Sampling rate
96 kHz
Inputs
6 x RCA / Cinch
Signal converters
A/D: BurrBrown
Output power RMS
D/A: BurrBrown
6 x Highlevel speaker input
1 x Optical SPDIF (12 - 96 kHz)
Signal-to-noise ratio digital input
105 dB (A-weighted)
1 x Remote In
Signal-to-noise ratio analog input
100 dB (A-weighted)
RCA / Cinch 2 - 4 Volts or 4 - 8 Volts
Distortion (THD)
< 0.008 %
Highlevel 5 - 10 Volts or 10 - 20 Volts
Damping factor
> 100
6 x Speaker
Input impedance RCA / Cinch
64 kOhms
2 x RCA / Cinch
Input impedance highlevel
13 Ohms or 64 kOhms
2 x Remote Out
Operating voltage
10.5 - 32 Volts (max. 5 sec. down to 6 Volts)
Output voltage RCA / Cinch
3 Volts RMS
Additional features
Control Input, USB, HEC slot
Frequency response
20 - 44,000 Hz
Dimensions (H x W x D)
50 x 250 x 190 mm / 1.97 x 9.84 x 7.48"
Input sensitivity
Outputs
9
Amplifiers
A2
2-channel high-end Class AB amplifier
with integrated active crossover
A4
4-channel high-end Class AB amplifier
with integrated active crossover
Features:
•
•
•
•
E
xtremely stable output stage with selected MOSFET transistors
D
rivers in Class A Technology for lowest possible THD
P
rocessor-controlled technology for optimized operation
S
mart protection circuits against overheating, over- and undervoltage,
speaker short circuiting, low impedance and faulty ­connection
• 1
% accurate components for perfect sound quality
• 2
4 carat gold-plated solid connection terminals suitable for 25 mm² / gauge 4
• T
emperature-optimised heatsink for efficient heat dissipation
A4
A2
- @ 4 Ohms
4 x 85 / 150 Watts
2 x 150 / 250 Watts
- @ 2 Ohms
4 x 150 / 250 Watts
2 x 270 / 450 Watts
- @ 1 Ohm
-
2 x 395 / 650 Watts
- bridged @ 4 Ohms
2 x 270 / 450 Watts
1 x 540 / 900 Watts
- bridged @ 2 Ohms
2 x 395 / 650 Watts
1 x 790 / 1,300 Watts
Output power RMS / max.
10
Frequency response
15 - 20,000 Hz
15 - 20,000 Hz
Bass boost
0 - 9 dB / 30 -120 Hz
0 - 9 dB / 30 - 120 Hz
15 - 6,000 Hz adjustable
Highpass
15 - 7,000 Hz adjustable
Lowpass
15 - 7,000 Hz adjustable
15 - 6,000 Hz adjustable
Bandpass
15 - 7,000 Hz adjustable
15 - 6,000 Hz adjustable
Distortion (THD)
< 0.009 %
< 0.009 %
Signal-to-noise ratio
> 100 dB
> 100 dB
Damping factor
> 450
> 1,000
Input sensitivity
500 mV - 8 Volts
500 mV - 8 Volts
Dimensions (H x W x D)
35 x 432 x 240 mm / 1.38 x 17.0 x 9.45"
35 x 432 x 240 mm / 1.38 x 17.0 x 9.45"
Amplifiers
SPXL 1000
1-channel high-end Class D amplifier with
1 Ohm stability
Features:
•
•
•
•
•
•
•
•
S
ubwoofer amplifier in Class D technology
H
uge output power for a high control at absolute levels
E
xtremely stable output stage with selected MOSFET transistors
1
-Ohm stable
Integrated, active crossover with lowpass, subsonic and bass boost
M
aster- / Slave-Mode for connecting two amplifiers in bridged mode
C
able remote control
R
MI (Realmixed Input) for generating an optimized mono-summing signal from
the left and right channels
• L
ine-Out for connecting another amplifier
• S
mart protection circuits against overheating, over- and undervoltage,
speaker short circuiting, low impedance and faulty connection
• 2
4 carat gold-plated solid connection terminals for lossless signal and power
transmission
SPXL 1000
Output power RMS / max.
- @ 4 Ohms
1 x 750 / 1,275 Watts
- @ 2 Ohms
1 x 1,200 / 2,040 Watts
- @ 1 Ohm
1 x 1,600 / 2,720 Watts
Phase shift
0 - 180°
Frequency response
10 - 250 Hz
Bass boost
0 - 18 dB / 40 - 120 Hz
Setting range Lowpass
35 - 250 Hz
Input impedance
50 kOhms
Distortion (THD)
< 0.33 %
Signal-to-noise ratio
> 96 dB
Input sensitivity
200 mV - 6 Volts
Dimensions (H x W x D)
55 x 430 x 277 mm / 2.17 x 16.93 x 10.9"
Remote control included in delivery
Also available in silver
11
Loudspeakers
B 62C.2
2-way component system
6.5 inch / 165 mm
60 / 180 Watts
91 dB 1W / 1m
B 52C.2
2-way component system
5.25 inch / 130 mm
50 / 150 Watts
90 dB 1W / 1m
Features
•
•
•
•
•
•
W
oofer with low resonant cones made from injected polypropylene with unique HELIX logos
1
inch / 25 mm silk dome tweeter with neodymium magnet for crispy and clear treble response
Individual HELIX design basket with additional ventilation holes for better voice coil cooling and high power handling
S
olid rubber magnet protection ring with HELIX logo
S
eparate crossover with 6/12 dB slope and tweeter protection
G
rille included
Power handling RMS / max.
12
B 62C.2
B 52C.2
60 / 180 Watts
50 / 150 Watts
Frequency response
55 Hz - 22,000 Hz
65 Hz - 22,000 Hz
Sensitivity
91 dB 1W / 1m
90 dB 1W / 1m
Impedance
4 Ohms
4 Ohms
Installation depth W / T
61 mm / 17.5 mm;
52 mm / 17.5 mm;
2.40" / 0.70"
2.05" / 0.70"
Loudspeakers
B 6X.2
2-way coaxial system
6.5" / 165 mm
50 / 150 Watts
91 dB 1W / 1m
B 5X.2
2-way coaxial system
5.25" / 130 mm
40 / 120 Watts
90 dB 1W / 1m
B 4X.2
B 69X.2
2-way coaxial system
4" / 100 mm
3-way coaxial system
30 / 90 Watts
6 x 9 inch / 160 x 230 mm
89 dB 1W / 1m
60 / 180 Watts
91 dB 1W / 1m
Features
• W
oofer with low resonant cones made from injected
polypropylene with unique HELIX logos
• 2
inch / 50 mm mylar midrange (B 69X.2)
• 0
.5 inch / 13 mm mylar tweeter with neodymium
magnet for crispy and clear treble response
• Individual HELIX design basket with additional
ventilation holes for better voice coil cooling and high
power handling
• S
olid rubber magnet protection ring with HELIX logo
• Integrated crossover with 6 dB slope
• G
rille included
Power handling RMS / max.
B 6X.2
B 5X.2
B 4X.2
B 69X.2
50 / 150 Watts
40 / 120 Watts
30 / 90 Watts
60 / 180 Watts
Frequency response
60 Hz - 22,000 Hz
70 Hz - 22,000 Hz
100 Hz - 22,000 Hz
35 Hz - 22,000 Hz
Sensitivity
91 dB 1W / 1m
90 dB 1W / 1m
89 dB 1W / 1m
91 dB 1W / 1m
Impedance
4 Ohms
4 Ohms
4 Ohms
4 Ohms
Installation depth
58 mm; 2.29"
50 mm; 1.97"
45.5 mm; 1.79"
81 mm; 3.2"
13
Loudspeakers
E 62C.2
2-way component system
6.5 inch / 165 mm
75 / 220 Watts
91 dB 1W / 1m
E 52C.2
2-way component system
5.25 inch / 130 mm
60 / 180 Watts
90 dB 1W / 1m
Features
• W
oofer with very stiff and non-resonating cone made from
woven fiberglass
• Specially shaped butyl surround for larger effective cone area
and increased maximum excursion
• 1 inch / 25 mm silk dome tweeter with neodymium magnet for
brilliant and smooth treble response
• Tweeters are 25° tiltable for perfect alignment at listening
position
• Individual HELIX design basket with additional ventilation
holes for better voice coil cooling and high power handling
• Complex, separate crossover with 6/12 dB slope, bandstop
filter, tweeter protection and adjustable tweeter level
• G
rille included
E 42C.2
2-way component system
4 inch / 100 mm
50 / 150 Watts
89 dB 1W / 1m
14
E 62C.2
E 52C.2
E 42C.2
Power handling RMS / max.
75 / 220 Watts
60 / 180 Watts
50 / 150 Watts
Frequency response
50 Hz - 25,000 Hz
60 Hz - 25,000 Hz
75 Hz - 25,000 Hz
Sensitivity
91 dB 1W / 1m
90 dB 1W / 1m
89 dB 1W / 1m
Impedance
4 Ohms
4 Ohms
4 Ohms
Installation depth W / T
65 mm / 17.5 mm;
54 mm / 17.5 mm;
48 mm / 17.5 mm;
2.56" / 0.70"
2.05" / 0.70"
1.89" / 0.70"
Loudspeakers
E 6X.2
2-way coaxial system
6.5 inch / 165 mm
60 / 180 Watts
91 dB 1W / 1m
E 5X.2
2-way coaxial system
5.25 inch / 130 mm
50 / 150 Watts
90 dB 1W / 1m
Features
E 4X.2
2-way coaxial system
4 inch / 100 mm
40 / 120 Watts
89 dB 1W / 1m
Power handling RMS / max.
E 6X.2
E 5X.2
E 4X.2
60 / 180 Watts
50 / 150 Watts
40 / 120 Watts
Frequency response
55 Hz - 22,000 Hz
65 Hz - 22,000 Hz
80 Hz - 22,000 Hz
Sensitivity
91 dB 1W / 1m
90 dB 1W / 1m
89 dB 1W / 1m
Impedance
4 Ohms
4 Ohms
4 Ohms
Installation depth
65 mm; 2.56"
54 mm; 2.13"
48 mm; 1.89"
• W
oofer with very stiff and nonresonating cone made from woven
fiberglass
• S
pecially shaped butyl surround
for larger effective cone area and
increased maximum excursion
• 0.75 inch / 19 mm silk dome tweeter
with neodymium magnet for brilliant
and smooth treble response
• Tweeters are 360° pivotable and 25°
tiltable for perfect alignment with
listening position (except E 4X.2)
• Individual HELIX design basket
with additional ventilation holes for
better voice coil cooling and high
power handling
• Separate inline crossover with
integrated tweeter protection
• G
rille included
15
Loudspeakers
P 63C
3-way component system
6.5" / 165 mm
125 / 250 Watts
90 dB 1W / 1m
P 62C
2-way component system
6.5" / 165 mm
100 / 200 Watts
90 dB 1W / 1m
Features
• M
id-woofer with novel glassfiber-paper compound
cone for maximum stiffness combined with lowest
moving mass and perfect inner damping
• 2 ” / 50 mm midrange with lightweight, hand-coated silk
dome for perfect impulse response (only P 63C)
• 1" / 25 mm tweeter with hand-coated silk dome for
balanced, natural sound reproduction and lowest
compression effects
• Complex crossover network with three-stage tweeter
level adjustment; solely equipped with high-grade
components:
• Low-distortion inductors with minimum DC
resistance
• Low-induction metal film resistors
• M
inimum-loss foil capacitors for midrange and
tweeter crossover
• Gold-plated terminals
• G
rille included
P 52C
2-way component system
5.25" / 130 mm
80 / 160 Watts
89 dB 1W / 1m
16
P 63C
P 62C
P 52C
Power handling RMS / max.
125 / 250 Watts
100 / 200 Watts
80 / 160 Watts
Frequency response
40 Hz - 25,000 Hz
40 Hz - 25,000 Hz
60 Hz - 25,000 Hz
Sensitivity
90 dB 1W / 1m
90 dB 1W / 1m
89 dB 1W / 1m
Impedance
4 Ohms
4 Ohms
4 Ohms
Installation depth W / M / T
67 mm / 30 mm / 15 mm;
67 mm / - / 15 mm;
62.5 mm / - / 15 mm;
2.65" / 1.19" / 0.6"
2.65" / - / 0.6"
2.46" / - / 0.6"
Loudspeakers
P 1T
Silk dome tweeter
1" / 25 mm
91 dB 1W / 1m
P 6B
Mid-woofer
6.5" / 165 mm
100 / 200 Watts
90 dB 1W / 1m
P 5B
Mid-woofer
5.25" / 130 mm
P 3M
80 / 160 Watts
Cone midrange speaker
90 dB 1W / 1m
3" / 75 mm
86 dB 1W / 1m
Features P 3M
Features P 1T
• T
weeter with high efficient
neodymium magnet and handcoated silk dome for balanced,
natural sound reproduction and
lowest compression effects
• L
owest possible production
tolerances and solely use of best
materials
• Including installation and
mounting equipment
Power handling RMS / max.
• C
one midrange speaker with
novel glassfiber-paper compound
cone for maximum stiffness
combined with lowest moving
mass and perfect inner damping
• H
ighly efficient, compact
neodymium magnet system
for linear drive and minimum
distortion
• L
ow-resonant basket made from
glassfiber reinforced plastic with
optimized voice coil cooling for
high power handling
• G
rille included
Features P 5B / P 6B
• M
id-woofer with novel glassfiberpaper compound cone for
maximum stiffness combined
with lowest moving mass and
perfect inner damping
• Lowest possible production
tolerances and solely use of best
materials
• Gold-plated terminals
• G
rille included
P 1T
P 3M
P 5B
P 6B
-
75 / 150 Watts
80 / 160 Watts
100 / 200 Watts
Frequency response
2,500 Hz - 25,000 Hz
400 Hz - 5,000 Hz
60 Hz - 5,500 Hz
40 Hz - 4,000 Hz
Sensitivity
91 dB 1W / 1m
86 dB 1W / 1m
89 dB 1W / 1m
90 dB 1W / 1m
Impedance
4 Ohms
4 Ohms
4 Ohms
4 Ohms
Installation depth
15 mm / 0.6"
37 mm / 1.5"
62.5 mm / 2.46"
67 mm / 2.64"
17
Loudspeakers
C 63C
High-end 3-way component system
6.5" / 165 mm
190 / 380 Watts
91 dB 1W / 1m
C 62C
High-end 2-way component system
6.5" / 165 mm
150 / 300 Watts
91 dB 1W / 1m
Features
•
•
•
•
•
•
•
•
M
id-woofer with sturdy aluminum diecast basket
L
arge coupling volumes for tweeter and midrange allow exceptionally low crossover frequency
M
id-woofer cone with scooped, long-fibered sisal with additional elastomer structural damping
V
irtually compression-free conversion of the amplifier power into sound pressure
L
owest manufacturing tolerances and exclusive use of selected materials
F
requency crossover with tweeter level adjustment and double woofer mode
M
anufactured in Germany
G
rille included
Power handling RMS / max.
18
C 63C
C 62C
190 / 380 Watts
150 / 300 Watts
Frequency response
47 Hz - 25,000 Hz
47 Hz - 25,000 Hz
Sensitivity
91 dB 1W / 1m
91 dB 1W / 1m
Impedance
4 Ohms
4 Ohms
Installation depth W / M / T
67 mm / 29 mm / 21 mm;
67 mm / - / 21 mm;
2.64" / 1.14" / 0.83"
2.64" / - / 0.83"
Loudspeakers
C 1T
High-end silk dome tweeter
1" / 25 mm
90 dB 1W / 1m
C 2M
High-end midrange speaker
2.1" / 54 mm
40 / 80 Watts
93 dB 1W / 1m
C 6B
High-end mid-woofer
6.5" / 165 mm
150 / 300 Watts
91 dB 1W / 1m
Features C 6B
Features C 2M
Features C 1T
• H
igh-end tweeter with silk dome
• 1
2x drilled neodymium magnet
and damped coupling volume for
very low resonance frequency
• L
owest possible tolerances and
solely use of finest selected
materials
• Including installation and
mounting equipment
Power handling RMS / max.
• H
igh-end midrange speaker with
silk dome
• 1
0x drilled neodymium magnet
and damped coupling volume for
very low resonance frequency
• L
owest possible tolerances and
solely use of finest selected
materials
• Including installation and
mounting equipment
C 1T
C 2M
C 6B
-
40 / 80 Watts
150 / 300 Watts
Frequency response
820 Hz - 25,000 Hz
550 Hz - 7,000 Hz
47 Hz - 5,000 Hz
Sensitivity
90 dB 1W / 1m
93 dB 1W / 1m
91 dB 1W / 1m
Impedance
4 Ohms
4 Ohms
4 Ohms
Installation depth
21 mm / 0.83"
31 mm / 1.22"
67 mm / 2.64"
• H
igh-end mid-woofer with sturdy
aluminum diecast basket
• Mid-woofer cone with scooped,
long-fibered sisal with additional
elastomer structural damping
• V
irtually compression-free
conversion of the amplifier power
into sound pressure
• Lowest manufacturing tolerances
and exclusive use of selected
materials
• G
rille included
19
Single Subwoofers
K 12W
12" / 300 mm
300 / 600 Watts
2 x 2 Ohms
90 dB 1W / 1m
K 10W
10" / 250 mm
300 / 600 Watts
2 x 2 Ohms
88 dB 1W / 1m
Features
•
•
•
•
•
•
•
•
E
xtremely stiff, hand-scooped paper cone
D
ouble ventilated voice coil for minimum compression effects and high power handling
L
ong-excursion rubber surround for highest mechanical rating
V
ery long linear excursion
2
x 2 Ohms dual voice coil for flexible system configuration
S
olid push terminals
P
owerful magnet system for compact vented enclosures
R
ugged butyl magnet cover with HELIX lettering for perfect magnet protection
Power handling RMS / max.
20
K 12W
K 10W
300 / 600 Watts
300 / 600 Watts
Sensitivity
90 dB 1W / 1m
88 dB 1W / 1m
Impedance
2 x 2 Ohms
2 x 2 Ohms
Resonance frequency
32 Hz
36 Hz
Qms
3.70
4.50
Qes
0.46
0.43
Qts
0.41
0.39
34 L
VAS
66 L
Max. linear excursion
+/- 8 mm
+/- 8 mm
Installation depth
144 mm / 5.67"
128.5 mm / 5.06"
Single Subwoofers
E 12W
E 10W
400 / 600 Watts
300 / 450 Watts
2 x 2 Ohms
2 x 2 Ohms
87 dB 1W / 1m
87 dB 1W / 1m
12" / 300 mm
10" / 250 mm
Features
• 2
x 2 Ohms dual voice coil for flexible speaker
configurations
• E
xtremely stiff honeycomb membrane with
fiberglass coating
• M
assive and rigid aluminum diecast basket
• V
ery low mounting depth for shallow subwoofer
constructions
• M
assive gold-plated terminals
• W
ide rubber surround for maximum cone
excursions
• T/S parameters optimized for use in compact sealed
enclosures
E 8W
8" / 200 mm
200 / 300 Watts
2 x 2 Ohms
85 dB 1W / 1m
E 12W
E 10W
E 8W
Power handling RMS / max.
400 / 600 Watts
300 / 450 Watts
200 / 300 Watts
Sensitivity
87 dB 1W / 1m
87 dB 1W / 1m
85 dB 1W / 1m
Impedance
2 x 2 Ohms
2 x 2 Ohms
2 x 2 Ohms
Resonance frequency
38 Hz
50 Hz
52 Hz
Qms
5.75
6.68
5.08
Qes
0.65
0.67
0.81
Qts
0.59
0.61
0.70
VAS
39 L
16.5 L
11.2 L
Max. linear excursion
+/- 5.5 mm
+/- 4 mm
+/- 4.5 mm
Installation depth
89.5 mm / 3.5"
80 mm / 3.15"
58 mm / 2.28"
21
Single Subwoofers
Q 15W
Q 12W
1,000 / 2,000 Watts
1,000 / 2,000 Watts
2 x 2 Ohms
2 x 2 Ohms
90 dB 1W / 1m
87 dB 1W / 1m
15" / 380 mm
12" / 300 mm
Features
• E
xtremely rigid non-pressed paper cone for
maximum stiffness
• W
ide low-loss foam surround for maximum
cone excursions
• C
oncave PP dustcap with embossed HELIX
logo
• 2
x 2 Ohms impedance allows most flexible
configuration
• H
igh-temperature dual voice coil with enormous
winding height for outstanding linear excursion
• R
ock-solid diecast basket with diamond cut
• R
emovable rubber gasket
• Rugged butyl magnet cover with HELIX lettering
for perfect magnet protection
• S
olid push terminals for large wire gauge
• E
xtremely powerful and massive triple ferrite
magnet system
22
Q 10W
10" / 250 mm
750 / 1,500 Watts
2 x 2 Ohms
85 dB 1W / 1m
Q 15W
Q 12W
Q 10W
Power handling RMS / max.
1,000 / 2,000 Watts
1,000 / 2,000 Watts
750 / 1,500 Watts
Sensitivity
90 dB 1W / 1m
87 dB 1W / 1m
85 dB 1W / 1m
Impedance
2 x 2 Ohms
2 x 2 Ohms
2 x 2 Ohms
Resonance frequency
33 Hz
35 Hz
35 Hz
Qms
4.62
4.61
4.17
Qes
0.44
0.41
0.42
Qts
0.41
0.37
0.38
VAS
65.2 L
24.7 L
13.8 L
Max. linear excursion
+/- 14 mm
+/- 14 mm
+/- 14 mm
Installation depth
205 mm / 8.1"
185 mm / 7.3"
165 mm / 6.5"
Single Subwoofers
SPXL 12
12" / 300 mm
1,500 / 3,000 Watts
2 x 2 Ohms
85 dB 1W / 1m
Features
•
•
•
•
•
•
•
•
•
•
•
H
igh-end SPL subwoofer
C
oncave PP dustcap with embossed HELIX logo
L
ong-excursion rubber surround with double stitching for highest mechanical rating
E
xtremely stable Kevlar / paper sandwich cone
M
achined aluminum mounting ring to fix the rubber surround
T
orsion-free aluminum diecast basket with diamond cut
H
uge 100 mm flat wire voice coil with incredible 57.5 mm winding height on black aluminum former
D
ouble nomex spider avoids non-linearities of the cone suspension
R
ugged butyl magnet cover with HELIX lettering for perfect magnet protection
Optimized for use in vented enclosures
M
assive triple magnet system 3 x 100 oz (8,505 g) with chrome-plated machined pole plates. Magnet size: Ø 220 x 75 mm
SPXL 12
Power handling RMS / max.
1,500 / 3,000 Watts
Sensitivity
85 dB 1W / 1m
Impedance
2 x 2 Ohms
Resonance frequency
31 Hz
Qms
2.92
Qes
0.57
Qts
0.47
VAS
38 L
Max. linear excursion
+/- 23 mm
Installation depth
209 mm / 8.23"
The SPXL 12 is packed in
an exclusive wooden box.
23
Enclosure Subwoofers
K 12E
12" / 300 mm
300 / 600 Watts
2 x 2 Ohms / 1 x 4 Ohms
90 dB 1W / 1m
K 10E
10" / 250 mm
300 / 600 Watts
2 x 2 Ohms / 1 x 4 Ohms
89 dB 1W / 1m
Features
•
•
•
•
•
•
•
C
ompact, space-saving enclosure design
L
ong-excursion woofer with extremely stiff, hand-scooped paper cone
D
ouble ventilated voice coil for minimum compression effects and high power handling
V
oice coil impedance configurable via connection terminal – 2 x 2 Ohms or 1 x 4 Ohms
S
olid metal grille for perfect woofer protection
L
ead wires woven into spider
E
xponentially shaped port minimizes air flow noise
Power handling RMS / max.
24
K 12E
K 10E
300 / 600 Watts
300 / 600 Watts
Sensitivity
90 dB 1W / 1m
89 dB 1W / 1m
Impedance
2 x 2 Ohms / 1 x 4 Ohms
2 x 2 Ohms / 1 x 4 Ohms
Max. linear excursion
+/- 8 mm
+/- 8 mm
Dimensions (H x W x D)
400 x 400 x 345 mm /
365 x 350 x 290 mm /
15.8 x 15.8 x 13.6"
14.4 x 13.8 x 11.4"
Accessories
HELIX EXTENSION CARDS
Features
HEC BT
HEC BT
HEC HD-AUDIO
USB-INTERFACE
Bluetooth® input module
• Bluetooth® audio streaming featuring
Qualcomm® aptX™ audio
• Compatible with all devices featuring
Bluetooth® wireless technology
• D
irect digital signal transmission to DSP
for lossless audio processing
• Additional digital optical output
HEC HD-AUDIO USB-INTERFACE
USB Interface for Windows, macOS, iOS
and Android devices
• Lossless HD-audio transmission up to
192 kHz / 32 Bit
• Asynchronous USB connection with own
clock generators for highest jitter immunity
• D
irect digital signal transmission to DSP
for lossless audio processing
• Automatic signal detection
HEC AUX IN
HEC OPTICAL IN
HEC AUX IN
3.5 mm AUX input module
• AUX input with a 3.5 mm jack for an
external audio source
• Input sensitivity of 200 mV suits well for
most portable devices
• Automatic signal detection
• Additional digital optical output
HEC OPTICAL IN
Optical input module
• Accepts all digital sources with SPDIF
format (stereo PCM only)
• Input sampling rate from 28 kHz to 96 kHz
• High jitter immunity
• Automatic signal detection
The HEC modules are delivered with the
device specific side panel and available for
­HELIX DSP PRO MK2, HELIX DSP PRO,
HELIX DSP.2, HELIX V EIGHT DSP, HELIX
P SIX DSP MK2, H
­ ELIX P SIX DSP.
Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission. aptX is a trademark of Qualcomm Technologies International,
Ltd., registered in the United States and other countries, used with permission.
The Bluetooth ® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Audiotec Fischer GmbH is under license. Other trademarks and trade
names are those of their respective owners.
25
Accessories
REMOTE CONTROLS
DIRECTOR graphical user interface
DIRECTOR
Remote control with Touchscreen
Features
• 2
.8“ / 7 cm touchscreen display and powerful ARM processor
• E
asy handling of the main functions
- Volume control of all sources
- Volume control of the subwoofer
- Source selection
- Control of the HEC BT module (Bluetooth® Connect
functions: pairing, reconnect, disconnect / Bluetooth®
Control functions: track forward/back, play/pause)
- Switching between sound setups
• M
emory locations for 20 additional sound setups
• A
utomatic dimming function of the display
• D
isplay rotation adjustable to 180°
• U
SB Paththrough - to connect your computer to the DSP
• C
ompatible with all DSP products which are supported by
DSP PC-Tool Version 3 and higher
• E
xclusive solid aluminum housing
• 1
7’ / 5.2 m connection cable included
• D
imensions (H x W x D): 53.50 x 135 x 18 mm /
2.07 x 5.32 x 0.71"
Volume menu
Bluetooth® Control menu
URC.3
Cable remote control for
DSP products
DMP
DIRECTOR mounting panel made of ABS with black
soft touch finish for a safe, recessed and easy installation of the
remote control DIRECTOR into the vehicle
Features
• M
aterial: ABS with black soft touch finish
• Fastening screws for fixing the DIRECTOR to the mounting
panel are included in delivery
26
Features
• F
unctionality of rotary knobs / switch
can be defined in the DSP PC-Tool
software
• Cable length 195" / 5 m
• An up-to-date list of device
compatibility can be found at
www.audiotec-fischer.com
Accessories
AAC.2
Smart Active Analog Converter
Features
• S
uitable for all car radios - a perfect match
for upgrading factory sound systems (even
those with factory-installed amps)
• G
enerates a stereo preamplifier signal
from the speaker output signal of a car
radio or amplifier
• " Double Activation Circuit" - generates a
+12 V remote signal in two different ways
to turn on connected amplifiers
• E
xcellent sound quality thanks to very
wide frequency response (18 Hz - 22 kHz)
• " Power Save Mode" significantly reduces the power consumption of
connected amplifiers when no input signal is present
• " Diagnostics Error Protection" circuit avoids undesired error messages in the CPU of
your car
• L
ow standby current consumption
• E
xtremely compact and therefore easy to install
• M
aximum reliability thanks to top-notch SMD manufacturing technology
CAP 1000
CAP 33
Power cap with a capacity
of 1.000.000 μF
• Diameter: 3" / 75 mm
• Length: 11.1" / 282 mm
Alternator noise
suppression cap with a
capacity of 33.000 μF
• Diameter: 1.38" / 35 mm
• Length: 4" / 100 mm
MTK
Measurement Tool Kit for analysing the
acoustical frequency response in the car
Features
CAP holder set
Holder set for mounting ­HELIX CAP 1000
• H
igh-grade measurement microphone
• External USB sound card with phantom
powering
• Microphone cable 2.5 m
• USB stick including test signals and
software
27
DSP PC-Tool
Everything under control
The DSP PC-Tool software is used to configure all DSP products from
­Audiotec Fischer. This professional and user-friendly software with its numerous adjustments options allow an extremely precise sound tuning even
under most demanding acoustical conditions.
Sensationally
sensational
simple,
simply
Never before it was easier and faster to achieve
the perfect sound. With the Autoset function ­Audiotec Fischer strikes the right balance
­between the manual setting and fully automatic
adjustment. Autoset transfers the correction values of the integrated real-time analyzer to the
EQ setting but the main difference is that you
can define the frequency range for the correction. So useless and probably even speaker
damaging EQ adjustments, as often provided
by fully automatic systems, will be avoided. Now
you can make several measurements consecutively and modify each time the frequency range
for the o
­ ptimization.
Intelligent time alignment
Thanks to the intelligent "Distance" mode adjusting the time alignment
becomes a child´s play. All you have to do is measuring the distance
between the speakers and listening position and enter these values in cm
or inches into the corresponding input field. The program automatically
calculates the necessary time delay for each channel.
More information on DSP PC-Tool
28
DSP PC-Tool
Quick tip - Main menu
The main menu shows all sections like main navigation, channel selection,
crossover, time alignment and equalizer at a glance and provides an overview of the settings you made.
The chart below shows some useful tips of working in the main menu. More
detailed information on the functions of the main menu can be found in the
Audiotec Fischer Sound Tuning Magazine.
Sound Tuning Magazine
Loads of hints and tricks how to use our
DSP ­
PC-Tool
software
versions
plus
sev-
Quick tip - Channel routing menu
eral advice for a proper calibration of a sound
The channel routing “organizes” all inputs and outputs. This allows to as-
equipment can be found in our Sound Tun-
sign names to each of the individual channels, to mix input signals and
ing
allocate a specific input signal to each output.
Magazines
"­
DSP 
Special 
Vol.1"
and
"DSP ­
Special Vol.2". They can be download-
The chart below shows how simple it is to organize the in- and outputs with
ed for free at the ­
Audiotec Fischer website
the DSP PC-Tool software. More detailed information on channel routing
www.audiotec-fischer.com
can be found in the Audiotec Fischer Sound Tuning Magazine.
More information on Sound Tuning Magazine
29
Technology
The overall concept makes the difference
To develop products for the perfect sound quality is not easy to realize. It is the optimization of every single detail without any
compromise. Choosing the right components is certainly of high importance but often the tiny technical details differ
­Audiotec Fischer products from the competitors.
• S ophisticated, low-noise power supplies with independent regulators for the analog and digital stages.
• A ll internal voltages operate independently of the onboard voltage within the range of 6 - 17 Volts
• C omplex additional filtering of all power and signal lines with E
­ MI-filters
• Low-impedance PCB designs in 4-layer or even 6-layer technology with at least one separate ground layer
• Strict separation of analog and digital signals on separate layers of the circuit board
• Shortest possible signal routing with direct “Input-to-Output” signal flow
• Separate micro controllers for all “non-audio” processes
Analog signal
Digital signal
Area for power supply
Signal input
Area only for audio
processing
Signal output
1
DSP
2
2
1
INPUT
3
AD/DA
converter
3
4
Shortest possible signal routing
OUTPUT
Ready for start / stop
Smart highlevel input
Even if the input voltage drops to 6 Volts the power supply assures a con-
The
stant internal supply voltage. An ideal precondition for using our amps in
incorporates
cars with start / stop technology.
diagnosing
latest
generation
of
sophisticated
the
connected
OE
car
radios
possibilities
of
speakers.
a
If
common amplifier will be installed failure
messages and loss of specific features (e.g.
20
fader function) will be the result.
18
The new ADEP circuit (Advanced Diagnostics
16
Error Protection) avoids all these problems
Voltage [V]
14
without loading the speaker outputs of the OE
12
radio during high volumes unnecessarily.
10
Battery voltage
MCM output voltage
8
6
4
2
0
0
100
200
300
Time [msec]
Amplifier supply voltage during engine start
30
400
500
Amplifier technologies
Class AB
The most common and traditional analog amplifier concept. This technology is still unbeatable
when uncompromising sound quality is a must. Though Class AB amps generate more heat
compared to digital amplifier concepts and therefore require larger heat sinks and higher supply
currents they will be audiophile's preferred choice.
Class D
This digital (switching) amplifier concept offers significantly better efficiency than Class AB
amplifiers. Besides lower heat dissipation, Class D amplifiers require lower currents from the
power supply means less stress for the car’s battery / alternator system as well. Nevertheless,
Class D amps still do not achieve the excellent figures of the best Class AB designs in terms of
THD, bandwidth and damping factor.
Ultra HD Class D
Compared to conventional Class D amps, this concept achieves an extended frequency
response to more than 40 kHz in combination with reduced distortion thanks to an advanced
integrated feedback design. Ultra HD Class D achieves outstanding, "Class AB-like" sound
quality combined with the efficiency of a Class D amplifier.
Class GD and Pure Class GD
Audiotec Fischers proprietary Class GD and Pure Class GD concepts take the efficiency of
conventional Class D amps to the next level. By varying the internal supply voltage depending
on the amplifier’s input signals, idle losses are significantly reduced and overall efficiency is
close to maximum at any time. So heat dissipation is almost negligible, thus allowing smallest
heat sinks and most compact form factors. Besides that our Pure Class GD amps outperform
conventional Class D designs in terms of sound quality by implementing a fully differential signal
path and improved output filter design.
Systematic
diagram of
our Class GD
concept
"State-of-the-art” digital signal processing
Every DSP is not the same – the quality of a digital signal processor strongly
depends is simply a matter of precision. The more complex the sound
manipulation options are, the higher the signal processing resolution has to be.
Without this precision you end up with increased noise level and distortion. That’s
why Audiotec Fischer solely uses pure Audio DSPs with at least 56 Bit resolution.
Furthermore we count on the fixed-point arithmetic which outperformed floatingpoint arithmetic with 32 Bit word length (as used in typical multimedia DSPs).
31
AUDIOTEC FISCHER GmbH
Hünegräben 26
57392 Schmallenberg/Germany
Dealer Stamp:
Phone +49 2972 9788 0
helix@audiotec-fischer.com
www.audiotec-fischer.com
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