75W87-4
- 8″ woofer
- Coated paper cone
- Die-cast aluminium basket
- Vented pole piece
- Rubber surround
- Optimised for bass reflex
Nominal impedance
4 Ω
Max. long term power
130 W
Max. short term power
200 W
Frequency range
35–1000 Hz
Sensitivity (2.83 V/1 m)
89 dB
Voice coil resistance
3.2 Ω
Voice coil inductance
0.7 mH
Voice coil diameter
50 mm
Voice coil height
18 mm
Air gap height
7 mm
Linear coil travel
±5.5 mm
Free air resonance
34 Hz
Moving mass
35.6 g
Suspension compliance
0.63 mm∙N⁻¹
Mechanical Resistance
2.37 kg∙s⁻¹
Effective diameter
163 mm
Effective piston area
209 cm²
Magnet weight
1360 g
Total weight
3200 g
Bl
8.8 T∙m
Qms
7.78
Qes
0.35
Qts
0.34
Vas
41.6 l
Frequency response at 1 m. The loudspeaker driver was placed in a 23.5 l box and driven by a 2.83 VRMS signal. Impedance was measured in free air with the input signal set at 0 dBu.
Audes reserves the right to change technical specifications without notification.