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


This product is for pre-order, so there will be a longer lead time on deliveries.

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£74.17Excl. VAT
Earn 370 Sound Points!

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


BishopSound Limited Lifetime Guarantee

Effective on all purchases from 1st January 2021

With a returns rate of less than 1% we are proud to offer the BishopSound Lifetime Guarantee at no extra cost to you

BishopSound Limited will undertake to guarantee the product will be free from defective workmanship and materials for the reasonable life of the product.

BishopSound Limited will at its discretion and expense either repair the defect using new or refurbished parts, or replace the Product with a new or re-manufactured Product of a reasonable equivalent. In all instances BishopSound Limited’s liability will not exceed the original Purchase Price.

If we find a genuine fault or defect in your item that shouldn’t be there based on normal use, then we’ll repair or replace it for free– no questions asked. But, if that speaker has been unloved or beaten to within an inch of its life, then it might be time to buy a new one! In any case, we’ll review each case and will let you know if we can fix or replace it.

The warranty stated above is the sole and exclusive remedy and BishopSound Limited’s performance shall constitute full and final satisfaction of all obligations, liabilities and claims with respect to the Product. In any event, BishopSound Limited shall not be liable for and consequential, incidental, economic, property, bodily injury or personal injury damage arising from the product, any breach of the warranty or otherwise.

This Warranty applies to the first end-user purchaser, and only when purchased from BishopSound Direct or an authorized BishopSound Limited Dealer/Distributor on the UK Mainland listed on our website.

Additional Limitations and Exclusions from Warranty Coverage: The warranty described above is non-transferable, applies only to the Product purchased, does not include installation of any repaired or replaced Product, does not include damage to any allied or associated equipment which may result for any reason from use with this Product, and does not include labour or parts caused by accident, disaster, negligence, improper installation, broken warranty seals, misuse (e.g. over driving the amplifier or speaker, unstable, unprotected or badly earthed power sources, excessive heat or cold or humidity or inadequate ventilation), or from service or repair which has not been authorized by BishopSound Limited.

The end-user purchaser is liable for the cost of transportation and return of the Product in the original packaging. Any damages incurred during transport are the cost and responsibility of the end-user purchaser.

When purchasing BishopSound Limited products, please keep your receipt of purchase safe and retain all the original packaging, as this validates your warranty.

How To Claim

To qualify for the Lifetime warranty, in the first instance you must contact BishopSound Limited showing proof of purchase and the product code. You must be in possession of the original packing as this has the Serial Number printed on it.You will be asked for the serial number and given a return authorization number (RAN), which is required to progress with your warranty claim.

Any decision made by BishopSound Limited regarding any Lifetime Warranty claim is full and final.

This warranty takes effect from the 1st January 2021 onward. Goods purchased prior to this date were sold with the 12 month warranty which still stands.

Only branded BishopSound Limited Products are included in the Lifetime Guarantee:

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 for Andrew use this form or Live Chat for a fast reply.