SL 87 WP 8 OHM

Water proof 8 cm (3.3") full-range loudspeaker with a transparent plastic cone and rubber sealing ring. High mean sound pressure. Optimised for voice and signal output. Magnetically shielded.


No longer available.

Technical Data

Rated power
20 Watt
Maximum power
30 Watt
Nominal impedance Z
8 Ohm
Frequency response
180 - 10000 Hz
Mean sound pressure level
87 dB (1W/1m)
Resonance frequency fs
270 Hz
Voice coil diameter
20 mm
Cutout diameter
80 mm
Net weight
270 g
D.C. resistance Rdc
7.3 Ohm
Mechanical Q factor Qms
Electrical Q factor Qes
Total Q factor Qts
Equivalent volume Vas
0.37 l
Effective piston area Sd
41 cm2
Dynamically moved mass Mms
2.1 l
Force factor Bxl
2.68 Tm
Inductance of the voice coil L
0.47 mH
Frequency- and impedance response
Directivity pattern
Directivity pattern
Directivity pattern