Beyma :: Beyma Loudspeaker Drivers :: Beyma 12 Inch
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Beyma 12CMV3 320W 8 Ohm 12" Woofer

12" loudspeaker driver, 320W AES, 640 watts music program
Product Code: BMA12CVM38 Brand: Beyma
Beyma 12CMV3 320W 8 Ohm 12 inch Woofer
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£62.50
£62.50 ex VAT
SRP £69.67
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2-3£67.58 ea.
4-7£66.19 ea.
8+£64.79 ea.
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Beyma 12CMV3 320W 8 Ohm 12" Woofer

    Key Features

  • High power handling: 640 W program power
  • 2.5" CCAW wire voice coil
  • High sensitivity: 96.5 dB (1W / 1m)
  • Very linear extended response and low distortion
  • Treated double roll cloth surround
  • Weatherproof membrane
  • Optimized pressed steel frame
  • Ferrite magnet
  • Designed for bass and midbass applications in small vented cabinets


Technical Specifications

  • Nominal diameter 300 mm 12 in
  • Rated impedance 8 Ω
  • Minimum impedance 7.5 Ω
  • Power capacity* 320 WAES
  • Program power 640 W
  • Sensitivity 96.5 dB 1W / 1m @ ZN
  • Frequency range 50 - 6.000 Hz
  • Recom. enclosure Vb = 55 l
  • (Bass-reflex design) Fb = 62.5 Hz
  • Voice coil diameter 63.5 mm 2.5 in
  • Bl factor 12.3 N/A
  • Moving mass 0.044 kg
  • Voice coil length 17 mm
  • Air gap height 7 mm
  • Xdamage (peak to peak) 29 mm


Thiele-Small Parameters

  • Resonant frequency, fs 52 Hz
  • D.C. Voice coil resistance, Re 6.1 Ω
  • Mechanical Quality Factor, Qms 10.6
  • Electrical Quality Factor, Qes 0.58
  • Total Quality Factor, Qts 0.55
  • Equivalent Air Volume to Cms, Vas 85 l
  • Mechanical Compliance, Cms 214 μm / N
  • Mechanical Resistance, Rms 1.3 kg / s
  • Efficiency, η0 2 %
  • Effective Surface Area, Sd 0.053 m2
  • Maximum Displacement, Xmax *** 7 mm
  • Displacement Volume, Vd 371 cm3
  • Voice Coil Inductance, Le @ 1 kHz 0.89 mH

Constructive Details

  • Overall diameter 310 mm 12.2 in
  • Bolt circle diameter 292 mm 11.5 in
  • Baffle cutout diameter: - Front mount 280 mm 11.0 in
  • Depth 130 mm 5.1 in
  • Net weight 4.6 kg 10.1 lb
  • Shipping weight 5.3 kg 11.7 lb

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