Beyma 6B30/B, 167mm (6.5in / 6-1/2in) Polypropylene Cone Midwoofer, with 25mm Voice Coil, 90dB, 8ohm.
Technical specifications
Nominal impedance
8 Ohm
Power capacity
50 W AES
Nominal diameter
165 mm 6.5 in
Sensitivity
90 dB 1W / 1m @ ZN
Minimum impedance
6.3 ohm
Frequency range
55-8000 Hz
Program power
100 W
Voice coil diameter
25.4 mm 1 in
BL factor
6.8 N/A
Moving mass
0.014 kg
Winding length
14 mm
Air gap height
6 mm
Xdamage pp
15 mm
Parameters Thiele & Small
Fs
56 Hz
Re
5.5 ohm
Qms
3
Qes
0.6
Qts
0.50
Vas
15.6 l
Cms
564 µm / N
Rms
1.7 kg/s
Efficiency %
0.5
Sd
0.014 m²
Xmax
5.5 mm
Vd
77 cm³
Le @1 kHz
0.3 mH
Construction details
Net weight
1.2 kg 2.6 lb
Total weight
1.3 kg 2.9 lb
Magnet
Ferrite
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