|
Woofer for HiFi loudspeaker systems.
|
ACOUSTICAL DATA |
Rated noise power
1)
|
70
|
W |
Short term maximum power
2)
|
140 |
W |
Rated impedance |
4 |
Ohm |
Resonance frequency Fs
4)
|
30.0 |
Hz |
Rated frequency range |
30 - 3000
|
Hz |
Sensitivity
3)
|
87 |
dB |
|
TS PARAMETERS |
Acquired by MLSSA D-0-10 |
|
|
Effective piston area Sd |
216
|
cm2 |
DC resistance of voice coil Re |
3.5 |
Ohm |
Mechanical Q factor Qms |
5.17 |
|
Electrical Q factor Qes |
0.67 |
|
Total Q factor Qts |
0.59 |
|
Voice coil inductance Le |
0.4 |
|
Equivalent volume Vas |
89.1 |
l |
Moving mass (including air load) Mms |
16.6 |
g |
Suspension compliance Cms |
1354 |
uM/Newton |
Force factor Bl |
4.3 |
Tm |
Maximum linear displacement Xmax
5)
|
7.0
|
mm |
|
MECHANICAL DATA |
Voice coil carrier material |
aluminium
|
|
Voice coil diameter |
25.4 |
mm |
Winding height of voice coil |
13 |
mm |
Yoke diameter |
25 |
mm |
Air gap height |
5 |
mm |
Magnet external diameter |
82 |
mm |
Magnet internal diameter |
33 |
mm |
Magnet height |
17 |
mm |
Compensating magnet external diameter |
- |
mm |
Compensating magnet internal diameter |
- |
mm |
Compensating magnet height |
- |
mm |
Weight |
1.1 |
kg |
|
TEST CONDITIONS |
Sweep voltage |
4 |
V |
Frequency range |
30 - 3000
|
Hz |
|
1) DIN IEC 268-5, closed box 20 dm3.
2) CSN IEC 268-5, closed box 20 dm3.
3) CSN IEC 268-5, standard baffle. 1W, 1 m,
200 - 3000 Hz
4) ±20%
5) Peak - peak
|
Frequency response
|
Impedance Magnitude - Ohms
|
Drawing
|