75W87-4

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.

Dimensions