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/0
12
0
2.4
1.2
7.4
10.4
.4
113.0
11.4
99.0
27.8
73.0
120.0
27.8
38.0
25.0
55.0
27TDF
H1211
27TDF is a High Definition precoated fabric dome tweeter with a wide, soft polymer
surround.
Sonotex precoated fabric diaphragm with high consistency and excellent stability
against variations in air humidity
Sonomax surround for low resonance and excellent mechanical linearity.
Voice coil windings immersed in magnetic fluid increase short term power handling
capacity and reduce the compression at high power levels.
Optimally damped cavity in the pole piece controls and slightly lowers the
fundamental resonance.
The chassis is precision moulded from glass fibre reinforced plastic, and its front
design offers optimum radiation conditions.
100
50
95
90
40
85
SPL [dB]
75
20
70
65
Impedance [ohm]
30
80
10
60
55
0
50
100
1 000
10 000
Frequency [Hz]
The frequency responses above show measured free field sound pressure in 0, 30, and 60
degrees, mounted in a 0.6m by 0.8m baffle. Input 2.83 Vrms, microphone distance 0.5m,
normalized to SPL 1m. The impedance is measured without baffle using a 2V sine signal.
Nominal Impedance
6 Ohms
Voice Coil Resistance
4.8 Ohms
Recommended Frequency Range
2500 - 25000 Hz
Voice Coil Inductance
0.05 mH
Short Term Power Handling *
220 W
Force Factor
3.4 N/A
Long Term Power Handling *
90 W
Free Air Resonance
900 Hz
Characteristic Sensitivity (2.83V, 1m) 91 dB
Moving Mass
0.37 g
Voice Coil Diameter
26 mm
Effective Piston Area
7.5 cm2
Voice Coil Height
1.5 mm
Magnetic Gap Flux Density
1.8 T
Air Gap Height
2.0 mm
Magnet Weight
0.25 kg
Linear Coil Travel (p-p)
0.5 mm
Total Weight
0.50 kg
Jul 2007-1
RoHS compliant product
*IEC 268-5, via High Pass Butterworth Filter 2500Hz 12 dB/oct.
SEAS reserves the right to change technical data
T27-530
www.seas.no
MCA15RCY
H1262
MCA15RCY is a 15 cm (5’’) cone driver, developed for use as a high
quality midrange unit.
Classically coated paper cone gives a smooth extended frequency response with a
controlled roll off. The large magnet system, together with the light cone give high
sensitivity with low distortion and good transient response.
Extremely stiff and stable injection moulded metal basket keeps the critical components in perfect alignment. Large windows in the basket both above and below the
spider reduce sound reflection, air flow noise and cavity resonance to a minimum.
100
50
95
90
40
85
SPL [dB]
30
75
70
20
65
60
Impedance [ohm]
80
10
55
50
10
0
100
1 000
10 000
Frequency [Hz]
The frequency responses above show measured free field sound pressure in 0, 30, and 60 degrees angle using a 20L closed box. Input
2.83 VRMS, microphone distance 0.5m, normalized to SPL 1m.The dotted line is a calculated response in infinite baffle
based on the parameters given for this specific driver. The impedance is measured in free air without baffle using a 2V
sine signal.
Nominal Impedance
8 Ohms
Voice Coil Resistance
5.8 Ohms
Recommended Frequency Range
100 - 4000 Hz
Voice Coil Inductance
0.73 mH
Short Therm Power Handling *
300 W
Force Factor
6.8 N/A
Long Therm Power Handling *
100 W
Free Air Resonance
51 Hz
Characteristic Sensitivity (2,83V, 1m) 89.5 dB
Moving Mass
7.1 g
Voice Coil Diameter
26 mm
Air Load Mass In IEC Baffle
0.42 g
Voice Coil Height
9.4 mm
Suspension Compliance
1.4 mm/N
Air Gap Height
6.0 mm
Suspension Mechanical Resistance
1.53 Ns/m
Linear Coil Travel (p-p)
3.4 mm
Effective Piston Area
80 cm2
Maximum Coil Travel (p-p)
14 mm
VAS
12 Litres
Magnetic Gap Flux Density
1.25 T
QMS
1.57
Magnet Weight
0.42 kg
QES
0.30
Total Weight
1.3 kg
QES
0.25
Jul 2007-1
RoHS compliant product
*IEC 268-5
SEAS reserves the right to change technical data
M15-002
www.seas.no
SLS
12″ Subwoofer
Type Number: 830669
Features:
The SLS line combines high quality performance with an
affordable design. These transducers are ideal for use in systems
with high power handling requirements, and are logically
combined with the SDS line.
Driver Highlights: Coated paper cone, 39 mm voice coil, AL
shorting ring in magnet system.
Go to Application Notes.
Go to Architecture Notes
Specs:
Electrical Data
Nominal impedance
Minimum impedance
Maximum impedance
DC resistance
Voice coil inductance
Capacitor in series with x ohm
T-S Parameters
Resonance Frequency
Mechanical Q factor
Electrical Q factor
Total Q factor
Ratio fs/Qts
Force factor
Mechanical resistance
Moving mass
Suspension compliance
Effective cone diameter
Effective piston area
Equivalent volume
Sensitivity
Ratio BL/√(Re)
Zn
Zmin
Zo
Re
Le
Cc
8
6.5
80.4
5.7
3.1
--
ohm
ohm
ohm
ohm
mH
uF
fs
Qms
Qes
Qts
F
Bl
Rms
Mms
Cms
D
Sd
Vas
28
6.7
0.51
0.47
59
12.2
1.98
75.4
0.43
26.2
540
172.4
91.2
5.1
Hz
Tm
Kg/s
g
mm/N
cm
2
cm
ltrs
dB
Power handling
100h RMS noise test (IEC)
Long-term Max System Power
(IEC)
Max linear SPL (rms) @ power
Short Term Max power
Voice Coil and Magnet Parameters
Voice coil diameter
Voice coil height
Voice coil layers
Height of the gap
Linear excursion +/Max mech. excursion +/Flux density of gap
Total useful flux
Diameter of magnet
Height of magnet
Weight of magnet
---
W
W
---
dB/W
W
39
24
4
8
8
--1.5
134
22
1.28
mm
mm
mm
mm
mm
mWb
mWb
mm
mm
Kg
Frequency:
Mechanical Dimensions:
Tymphany™ and Peerless™ are trademarks of Tymphany Corporation. © 2006, Tymphany Corporation. All rights reserved.
073106
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