EAW KF730P Stereo Amplifier User Manual

K F 7 3 0 P
group · M
S p e c i f i c a t i o n s
3-WAY FULL-RANGE BI-AMP (passive MF/HF filter)
Performance is for a single KF730P. Array performance is determined using the KF730 Wizard.
See TABULAR DATA notes for details
CONFIGURATION
Subsystem
Transducer
LF 2x 10 in cone
MF 2x 7 in cone
HF 2x 1 in exit, 1.75 in voice
coil neodymium
compression driver
Loading
Phase Aligned™
Horn-loaded
Horn-loaded
Operating Mode
Amplifier Channels
Bi-amp LF, MF/HF
External Signal Processing
DSP w/2-way filters
PERFORMANCE 1
Operating Range
80 Hz to 20 kHz
Nominal Beamwidth
Horz 110°
Vert 12°
Axial Sensitivity (whole space SPL)
MF/HF 105 dB
LF 91 dB
Peak Sensitivity (whole space SPL)
MF/HF 112 dB
LF 92 dB
Input Impedance (ohms)
FEATURES
Nominal
• Highest output to size ratio for small format line arrays
• Large MF/HF horn and Phase Aligned™ LF drivers for
exceptional 110° horizontal pattern to 160 Hz
• KF730 Wizard auto-designs flown and ground-stacked arrays
• Included Splay Brackets fix the splay angles between enclosures
• 16 ohm inputs allow powering 8 KF730s with 2 amplifier channels
DESCRIPTION
MF/HF 16
LF 16
Recommended High Pass Filter
High Pass =>80 Hz, 24 dB/octave
Accelerated Life Test 2
MF/HF 75 V
LF 106 V
Calculated Axial Output Limit (whole space SPL)
Average
The KF730P Series is a compact, fixed installation, line array
system that sets a performance benchmark above similar systems.
It delivers 3-way, KF Series performance in a flexible, easy-to-use
system that can deliver concert-level output in an exceptionally
wide range of venues. The KF730P is an excellent solution for fixed
installation applications such as houses of worship, theatres, hotel
ballrooms, arenas, and concert halls. The system is also ideal for
supplemental coverage for larger line arrays, such as the KF760
Series. Such uses include audience side fill, delayed arrays for
balconies, and stage/performer coverage.
MF/HF 130 dB
LF 119 dB
230 Hz to 20 kHz
80 Hz to 230 Hz
20 Hz to 20 kHz
20 Hz to 20 kHz
Minimum
15.9 @ 680 Hz
15.1 @ 250 Hz
350 W @ 16 ohm
700 W @ 16 ohm
Peak
136 dB
125 dB
ORDERING DATA
Description
KF730P Black Line Array Loudspeaker
KF730P White Line Array Loudspeaker
Optional Accessories
KF730P/SB730P Fly-Bar
KF730P Pull-Bar
Part Number
0007663
0009645
0008108
0008363
One large MF/HF horn fills the entire face of the enclosure, better
maintaining horizontal pattern control throughout the MF/HF
passband. The curved aperture MF loading slots effectively
move the MF acoustic origin further into the horn than physical
space permits. The side-mounted LF drivers provide a forwardfiring, figure eight type pattern. The drivers are spaced so that
the LF beamwidth matches the MF through crossover.
The KF730P input features barrier strip terminals. A separate
terminal strip is provided for loop-through connection for daisychaining additional KF730Ps. The KF730P is configured using
the included KF730P Splay Angle Brackets to bolt the
enclosures together. This rigging system is fully compatible with
the companion SB730P subwoofer. Six year warranty.
1 To achieve specified performance, the listed external signal processing with EAW-provided settings is required.
2 For recommendations to select power amplifier size refer to : “HOW MUCH AMPLIFIER POWER DO I NEED?” on the EAW web site.
Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice.
Part Number: RDxxxx (A) KF730P SPEC Preliminary
March 2004
EAW products are continually improved. All specifications are therefore subject to change without notice.
13.03
8.25
FRONT
GRILLE PARTIALLY SHOWN
DIMENSIONS APPLY TO
TOP AND BOTTOM
VIEW A-A
24.72
28.75
CL
12° 10.23
6.00
A
CL
RIGHT SIDE
7.66
1.59
15.19
12.10
7.69
(9.83)
CL
PRODUCTION
2X HANDLE
4.69
A
DIMENSIONS APPLY TO BOTH SIDES
7.23
1.73
(2.01)
12.17
CL
BACK
4.00
KF730P
NOTES:
1. SYMBOL
INDICATES MOUNTING POINT,
3/8-16 THREADED HOLE (PI ANGLE) .
2. SYMBOL
INDICATES MOUNTING POINT,
3/8-16 THREADED HOLE (STRAPPING).
3. SYMBOL
INDICATES CENTER OF BALANCE.
4. WEIGHT APPROX. 78 LB.
5. SHIPPING WEIGHT APPROX. 86 LB.
9.13
5.00
2.42
EASTERN ACOUSTIC WORKS
INPUT
ACCESS PANEL
K F 7 3 0 P
S p e c i f i c a t i o n s
group · M
ENCLOSURE
Material Baltic birch plywood
Finish Wear resistant textured black paint
Grille Powder-coated perforated steel
Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com
Part Number: RDxxxx (A) KF730P Preliminary
March 2004
K F 7 3 0 P
group · M
S p e c i f i c a t i o n s
PERFORMANCE DATA
See NOTES GRAPHIC DATA Notes for details
Frequency Response: Processed Bi-amplified
SPL (dB)
LF = green
MF/HF = orange
Complete = blue
120
120
110
110
100
100
90
90
80
80
70
70
60
60
10
100
1000
20000
10
100
1000
20000
Frequency (Hz)
Frequency Response: Unprocessed
Frequency Response: Digital Signal Processor
LF = green
LF = green
MF/HF = orange
120
20
110
10
100
0
dB re 0.775 V
SPL (dB)
Frequency (Hz)
90
80
70
MF/HF = orange
-10
-20
-30
60
-40
10
100
1000
20000
10
Frequency (Hz)
100
1000
20000
Frequency (Hz)
Impedance Magnitude
Beamwidth (-6 dB SPL Points)
LF = green
100
Horizontal = orange
400
MF/HF = orange
Vertical = black
Degrees
Ohms
100
10
10
1
1
10
100
1000
20000
Frequency (Hz)
100
1000
20000
Frequency (Hz)
Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice.
Part Number: RDxxxx (A) KF730P Preliminary
March 2004
K F 7 3 0 P
group · M
S p e c i f i c a t i o n s
INPUT PANEL
SIGNAL DIAGRAM
3-Way, Bi-Amp (LF, MF/HF)
KF730P
WHITINSVILLE, MA USA
S/N
DANGER
Before suspending, read all rigging warnings in the Owner's Manual.
LF
MF/HF
DSP
EQ
DELAY
HPF/LPF
AMP
HF
XVR
AMP
MF
LF
-- + -- +
LOOP THRU
LEGEND
LF
MF/HF
DSP:
HPF:
LPF:
LF/MF/HF:
PWR AMP:
XVR:
User-supplied Digital Signal Processor for EQ, crossover, and delay.
High Pass Filter for crossover or Recommended High Pass Filter.
Low Pass Filter for crossover.
Low Frequency / Mid Frequency / High Frequency.
User-supplied Power Amplifier.
Passive LPFs, HPFs, and EQ integral to the loudspeaker.
-- + -- +
NOTES
TABULAR DATA
1. Primary Measurement/Data Processing System: FChart: proprietary EAW software.
2. Secondary Measurement System: Brüel & Kjær 2012.
3. Microphone Systems: Earthworks M30; Brüel & Kjær 4133
4. Measurements: Dual channel FFT; length: 32 768 samples; sample rate: 48 kHz; logarithmic sine wave sweep.
5. Measurement System Qualification (includes all uncertainties): SPL: accuracy +/-0.2 dB @ 1 kHz, precision +/-0.5 dB 20 Hz to 20 kHz, resolution 0.05 dB; Frequency: accuracy +/-1 %,
precision +/-0.1 Hz, resolution the larger of 1.5 Hz or 1/48 octave; Time: accuracy +/-10.4 µs, precision +/-0.5 µs, resolution 10.4 µs; Angular: accuracy +/-1°, precision +/-1°, resolution 1°.
6. Environment: Measurements time-windowed and processed to eliminate room effects, approximating an anechoic environment. Data processed as anechoic or fractional space, as noted.
7. Measurement Distance: 7.6 to 8.0 m. Data is referenced to other distances using the Inverse Square Law.
8. Volts: Measured rms value of the test signal.
9. Watts: Per audio industry practice, “loudspeaker watts” are calculated as voltage squared divided by rated nominal impedance. Thus, these are not True Watt units of energy as defined by
International Standard.
10. SPL: (Sound Pressure Level) Equivalent to the average level of a signal referenced to 0 dB SPL = 20 microPascals.
11. Subsystem: This lists the transducer(s) and their acoustic loading for each passband. Sub Bass = Subwoofer, LF = Low Frequency, MF = Mid Frequency, HF = High Frequency.
12. Operating Mode: User selectable configurations. Between system elements, a comma (,) = separate amplifier channels; a slash (/) = single amplifier channel. DSP = Digital Signal Processor.
IMPORTANT: To achieve the specified performance, the listed external signal processing must be used with EAW-provided settings.
13. Operating Range: Range where the processed Frequency Response stays within -10 dB SPL of the power averaged SPL within this range; measured on the geometric axis. Narrow band
dips are excepted.
14. Nominal Beamwidth: Design angle for the -6 dB SPL points, referenced to 0 dB SPL as the highest level.
15. Axial Sensitivity: Power averaged SPL over the Operating Range with an input voltage that would produce 1 W at the nominal impedance; measured with no external processing on the
geometric axis, referenced to 1 m.
16. Peak Sensitivity: Highest axial SPL measured within the 20 Hz to 20 kHz bandpass with an input voltage that would produce 1 W at the nominal impedance; measured with no external
processing on the geometric axis, referenced to 1 m.
17. Nominal Impedance: Selected 4, 8, or 16 ohm resistance such that the minimum impedance point is no more than 20% below this resistance over the Operating Range.
18. Accelerated Life Test: Maximum test input voltage applied with an EIA-426B defined spectrum; measured with recommended signal processing and Recommended Protection Filter.
19. Calculated Axial Output Limit: Highest average and peak SPLs possible during the Accelerated Life Test. The Peak SPL represents the 2:1 (6 dB) crest factor of the Life Test signal.
20. Recommended High Pass Filter: This should be used to help protect the loudspeaker from excessive input signal levels below the Operating Range.
GRAPHIC DATA
1. Resolution: To remove insignificant fine details, 1/12 octave cepstral smoothing was applied to acoustic frequency response and 1/3 octave cepstral smoothing was applied to the
beamwidth and impedance data. Other graphs are plotted using raw data.
2. Frequency Responses: The variation in acoustic output level with frequency for a constant input signal of 2 volts (4 ohm nominal impedance), 2.83 volts (8 ohm nominal impedance),
or 4 volts (16 ohm nominal impedance) referenced to a distance of 1 m. For processed systems, this applies where the processor gain is 0 dB in the Processor Frequency Response graph.
3. Processor Response: The variation in output level with frequency for a constant input signal of 0.775 V = 0 dB reference.
4. Beamwidth: Average angle for each 1/3 octave frequency band where, starting from the rear of the loudspeaker, the output first reaches -6 dB SPL referenced to 0 dB SPL as the highest
level. This method means the output may drop below -6 dB SPL within the beamwidth angle. Referenced to 20 m.
5. Impedance: Variation in impedance magnitude, in ohms, with frequency without regard to voltage/current phase. This means the impedance values may not
be used to calculate True Watts (see 9 above).
Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice.
Part Number: RDxxxx (A) KF730P Preliminary
March 2004
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