WS 13 E 4 OHM

Art. No. -

13 cm (5") low-midrange driver with paper cone and elastic rubber surround. Due to the special basket design especially suitable as replacement driver for many HiFi speakers.

No longer available.

Technical Data

Rated power
40 Watt
Maximum power
60 Watt
Nominal impedance Z
4 Ohm
Frequency response
fu - 12000 Hz
(fu: Lower cut-off frequency depending on cabinet)
Mean sound pressure level
86 dB (1W/1m)
Excursion limit
15 mm
Resonance frequency fs
83 Hz
Magnetic induction
1 Tesla
Magnetic flux
250 µ Weber
Height of front pole-plate
4 mm
Voice coil diameter
2 cm
Height of winding
0.55 cm
Cutout diameter
11.3 cm
Net weight
0.34 kg
D.C. resistance Rdc
3.7 Ohm
Mechanical Q factor Qms
Electrical Q factor Qes
Total Q factor Qts
Equivalent volume Vas
7.1 l
Effective piston area Sd
86.5 cm2
Dynamically moved mass Mms
5.5 g
Force factor Bxl
2.93 T · m
Inductance of the voice coil L
0.4 mH
Frequency- and impedance response