Beyma 12LW30 - 8OHM

  • 2 500 SEK

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Nominal Basket Diameter
12" / 300mm
8 ohms
AES Power Rating
450 Watts
Program Power 900 Watts  
Frequency Response
40Hz - 4.0kHz
Sensitivity (1W/1m)
Voice Coil Diameter
3" / 77mm
Recom. Enclosure Volume.7-2.47 ft3  /  20-70 Liters
Voice Coil Length17.5 mm
Air Gap Height8 mm
X Damage (peak to peak)30 mm

Mounting Information

Overall Diameter12.28" / 312mm
Bolt Circle Diameter11.59" / 294.5mm
Baffle Cutout Diameter- 
- Front Mount10.93" / 277.5mm
- Rear Mount11.02" / 280mm
No. Of Mounting Holes8
Volume Displaced By Driver0.11 ft3  /  4 Liters
Overall Depth5.79" / 147mm
Net Weight8.6 lb. / 3.9 kg.
Shipping Weight9.92 lb. / 4.5 kg.


BasketCast Aluminum
ConeHigh Stiffness Paper
SurroundTreated Cloth
Voice CoilEdgewound Copper Ribbon
Metal PartsAnti-Corrosion Coated

Thiele-Small Parameters

Resonant Frequency (fs)42 Hz
Impedance (Re)6.3 ohms
Coil Inductance (Le)1.0 mH
Mechanical Q (Qms)3.8
Electrical Factor(Qes).29
Total Q (Qts).27
Comp. Equivalent Vol. (Vas)2.97 ft3 / 84 Liters
Voice Coil Overhang (Xmax)7.0 mm
Effective Surface Area (Sd).0540 m2
BL Factor20.2T-M
Diaphragm Mass (Mms)71 Grams
Reference Efficiency2%
Displacement Volume770 cm3