BZ 130 P 4 OHM

13 cm (5") low midrange system mounted in a Euro standard basket and with coated paper cone. With strong magnet system and large cone displacement due to elastic rubber surround.

No longer available.

Technical Data

Rated power
60 Watt
Maximum power
100 Watt
Nominal impedance Z
4 Ohm
Frequency response
60 - 10000 Hz (-8 dB)
Mean sound pressure level
89 dB (1 W/1 m)
Excursion limit
16 mm
Resonance frequency fs
70 Hz
Magnetic induction
1.0 Tesla
Magnetic flux
470 µ Weber
Height of front pole-plate
6 mm
Voice coil diameter
25 mm
Height of winding
18 mm
Cutout diameter
113 mm
Net weight
1.43 kg
D.C. resistance Rdc
3.2 Ohm
Mechanical Q factor Qms
2.34
Electrical Q factor Qes
0.37
Total Q factor Qts
0.32
Equivalent volume Vas
13 l
Effective piston area Sd
79 cm2
Dynamically moved mass Mms
6 g
Force factor Bxl
4.1 T m
Frequency- and impedance response