SL 87 WP 4 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.

Properties:

No longer available.

Technical Data

Rated power
20 Watt
Maximum power
30 Watt
Nominal impedance Z
4 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
3.8 Ohm
Mechanical Q factor Qms
6.91
Electrical Q factor Qes
3.14
Total Q factor Qts
2.16
Equivalent volume Vas
0.37 l
Effective piston area Sd
41 cm2
Dynamically moved mass Mms
2.1 g
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