Beyma :: Beyma Loudspeaker Drivers :: Beyma 12 Inch :: Beyma 12WRS400
Beyma
Woofer for Electrovoice SB120 DL12SB Our suggested modern alternative part for SB120 DL12SB
Product Code: BMA12WRS400 Brand: Beyma Model: 12WRS400
Beyma 12WRS400 - 12 inch 400W 8 Ohm
£101.91
£101.91 ex VAT
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2-3£98.85 ea.
4-7£96.81 ea.
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Beyma 12WRS400 - 12" 400W 8 Ohm part for Electrovoice SB120 DL12SB

Offering high performance at a competitive price point, Beyma's WRS series are optimised for excellent frequency response. Fs of 41hz, and Xmax of 6.3mm help this 12" deliver impressive bass response in a wide variety of applications. Mid-range performance up to 3khz remains relatively flat, helping ensure minimal equalisation is needed.

TECHNICAL SPECIFICATIONS:

  • Nominal diameter 300 mm 12 in
  • Nominal impedance 8 ohm
  • Minimum impedance 7 ohm
  • Power capacity 400 W AES
  • Program power 800 W
  • Sensitivity 97 dB 1 W @ 1 m @ ZN
  • Frequency range 45-4000 Hz
  • Voice coil diameter 76.2 mm 3 in
  • BL factor 17.3 N/A
  • Moving mass 0.060 kg
  • Winding length 16 mm
  • Air gap height 8 mm
  • Xdamage pp 30 mm


Thiele and Small parameters:  Need some help? Read our quick guide to TS Params.



  • Fs 41 Hz
  • Re 5.6 ohm
  • Qms 5.1
  • Qes 0.3
  • Qts 0.28
  • Vas 97 l
  • Cms 245 μm / N
  • Rms 3.1 kg/s
  • Efficiency % 2.25
  • Sd 0.053 m
  • Xmax 6.3 mm
  • Vd 334 cm
  • Le @1 kHz 1.3 mH


CONSTRUCTIVE DETAILS:

  • Depth 130 mm 5.12 in
  • Baffle cutout diameter (front mount) 280mm
  • Overall diameter 310mm
  • Bolt circle diameter 292mm
  • Net weight 5.5 kg 12.12 lb
  • Total weight 6 kg 13.2 lb
  • Magnet Ferrite
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