BZ 130 4 OHM

13 cm (5") low-midrange system with a very strong magnetic drive and mounted in a Euro standard basket. The connection terminals are gold plated 4.8 mm and 6.3 mm soldering lugs. Coloration free midrange and high efficiency. Car specific installation is possible, provided that the mounting depth of the large magnet has been considered.
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	9 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	2,5 cm
Height of winding	10 mm
Cutout diameter	11,3 cm
Net weight	1,43 kg
D.C. resistance Rdc	3,5 Ohm
Mechanical Q factor Qms	4,17
Electrical Q factor Qes	0,45
Total Q factor Qts	0,41
Equivalent volume Vas	5,2 l
Effective piston area Sd	75 cm²
Dynamically moved mass Mms	7,9 g
Force factor Bxl	5,0 T · m
Inductance of the voice coil L	0,45 mH

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