12" Speaker 400w RMS Full Range Cast Alloy Driver 8 ohm With Faston Terminals - BDP12


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£79Incl. VAT Our Price
£114Incl. VAT Typically This represents the average price across other brands that offer the same level of functionality and features as this product
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This cast alloy (not cheaper pressed steel) 12" Speaker is critical in covering those midrange frequencies. Our 12" PA speakers can be used in a range of cabinets and applications such as wedge monitors.

  • Faston Terminals
  • 80 Oz Magnet
  • 3" Voice Coil

This driver operates well between Frequency Range 45Hz to 5 kHz. Very similar to the PD123ER and RCF LF12G301

Bishopsound woofers are high-quality PA speakers using a cast aluminium chassis. Made from professional grade materials the Premium Series features Kapton coils, ferrite magnets, paper cones with rolled cloth edge and push terminals.

These 12" speakers are ideal for use in vocal PA, keyboards, club systems and stage monitors.

BISHOPSOUND BDP12 12″ 400w RMS 8Ω Professional Chassis Driver


  • Nominal Overall Diameter = 312 mm Nominal Impedance 8 Ω
  • Nominal Voice Coil Diameter = 75 mm Musical Power 600 W
  • Magnet Weight = 80 OZ Rated Power 400 W RMS
  • Frequency Range 45Hz to 5 kHz
  • Flux Density = 1.2 T Sensitivity@1W/1m 95 d B
  • Weight = 6.3 Kg


 Voice Coil DC Resistance = Re 5.6 Ω

  • Resonance Frequency = Fs 45.0 Hz
  • Mechanical Q Factor = Qms 10.91
  • Electrical Q Factor = Qes 0.52
  • Total Q Factor = Qts 0.48
  • Mechanical Moving Mass = Mms 72.34 g
  • Mechanical Compliance = Cms 92.1 um/N
  • Force Factor = BL 18.225 Wb/m
  • Equivalent Acoustic Volume = Vas 34.9 It.
  • Maximum Linear Displacement = Xmax ±3 mm
  • EBP = 140
  • Xlim = 18mm
  • Reference Efficiency = ηo 1.580 %
  • Diaphragm Area = Sd 90.1 Cm2
  • Losses Electrical Resistance = Res Ω
  • Voice Coil Inductance@ 1K Hz = LE m H


  • Magnet = Ferrite
  • Voice Coil Winding = Copper
  • Voice Coil Former = Kapton
  • Cone = Paper
  • Surround = Treated Cloth
  • Dust Dome = Paper
  • Basket = Diecast Aluminium


Your Guarantee is for 12 months and starts from delivery date but please read on. The warranty is recorded with the BishopSound Order number which begins with a B. Please download and keep a copy of your invoice and keep it safe.

We know problems can occur from time to time so even after 1 year I am here to help. We carry parts and we treat everyone as we expect to be treated ourselves so we will work hard to get a win win.

We still help people who bought from us at Carlsbro 30 years ago with parts (if they are available) repairs and solutions. BishopSound prides itself on treating every customer as a family friend.

In short if the problem was caused by me its up to me to fix it. If you had an accident then I will try my hardest to fix it at little or no cost to you. This guarantee is in addition to, and does not affect your statutory rights or the other right of consumer purchases.

For more information, please see our Terms & Conditions

    Get in touch with BishopSound today for professional and friendly advice. Alternatively, you can call us on 01765 698 233 or 07973 223949. If you want to send a direct email please use andrew@bishopsound.com or victoria@bishopsound.com.

    If you have a question use this form or Live Chat and if you're interested in becoming an official distributor of BishopSound products, please get in touch below.