|
|
| Woofer used in loudspeaker systems by TVM. The paper cone has a spiral coating, the magnet system comprises two ferrite rings. |
|
ACOUSTICAL DATA
|
| Rated noise power
1)
|
60 |
W |
| Short term maximum power
2)
|
120 |
W |
| Rated impedance |
4 |
Ohm |
| Resonance frequency Fs
|
40.0
|
Hz |
| Rated frequency range |
40 - 4000 |
Hz |
| Sensitivity
3)
|
88 |
dB |
| |
|
TS PARAMETERS
|
| Acquired by MLSSA 137.000 |
|
|
| Effective piston area Sd |
137 |
cm2 |
| DC resistance of voice coil Re |
3.5 |
Ohm |
| Mechanical Q factor Qms |
3.98 |
|
| Electrical Q factor Qes |
0.43 |
|
| Total Q factor Qts |
0.38 |
|
| Voice coil inductance Le |
0.3 |
|
| Equivalent volume Vas |
29.7 |
l |
| Moving mass (including air load) Mms |
12.8 |
g |
| Suspension compliance Cms |
1131 |
uM/Newton |
| Force factor Bl |
5.3 |
Tm |
| Maximum linear displacement Xmax
|
7.0 |
mm |
| |
|
MECHANICAL DATA |
| Voice coil carrier material |
aluminium |
|
| Voice coil diameter |
25.4 |
mm |
| Winding height of voice coil |
12 |
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 |
82 |
mm |
| Compensating magnet internal diameter |
33 |
mm |
| Compensating magnet height |
17 |
mm |
| Weight |
1.37 |
kg |
| |
|
TEST CONDITIONS |
| Sweep voltage |
4 |
V |
| Frequency range |
40 - 4000 |
Hz |
| |
1) DIN IEC 268-5, closed box 10 dm3, 300 hrs, interrupted signal
2) ČSN EN 60268-5, closed box 10 dm3.
3) ČSN EN 60268-5, standard baffle, 1 W, 1 m, 200 - 4 000 Hz. |
Frequency response
|
Impedance Magnitude - Ohms
|
Drawing
|
