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.

sketch

frequency- and impedance response

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)
Maximum cone displacement	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

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