18" Subwoofer Driver Cast Alloy 1000w RMS With Faston Terminals Woofer - BDP18 (4 & 8 Ohm)


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£159Incl. VAT Our Price
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A 1000W workhorse that delivers a stunning performance in folded horn cabinets with medium or longhorn paths. Perfectly suitable for scoop bins bass reflex and 4th and 6th order bandpass cabinets. This is our best selling replacement 18" subwoofer driver. Made from professional grade materials the BDP18 features Kapton coils, ferrite magnets, BRITISH paper cones with rolled cloth edge and push terminals.

Download the spec sheet to see that this driver is appropriate for applications as diverse as scoop bins, conventional reflex cabinets, and horn-loaded systems

  • Nominal Impedance 8Ω or 4Ω
  • Program Power 2000 W
  • Rated Power 1000 W RMS
  • Sensitivity@1W/1m 99dB

If you like the Fane Colossus 18XB then you will adore the BishopSound BDP18 is a higher specification.  

Designed specifically to provide powerful and accurate bass frequencies with minimal distortion and power compression. This 18" Sub Speaker is ideal for use in systems and where earth-shaking subwoofers are needed.

The BDP18 is a real workhorse and is the optimum choice for top of the range sub-bass systems where the ability to take punishment in the most demanding situations.

The BDP18 is Suitable for sound reinforcement in a variety of enclosure types as it allows enclosure designers considerably more freedom for specialized loading techniques without having to make exceptions for physical characteristics or power handling limitations which are typically the result of less reliable designs.

    Read more in the technical section.


    General Characteristics

    • Nominal Overall Diameter: 460 mm
    • Nominal Voice Coil Diameter: 4 Inch 102 mm
    • Magnet Weight: 125 OZ
    • Flux Density: 1.42 T
    • Weight: 11.2 Kg

    Thiele-Small Parameters

    • Resonance Frequency Fs 34.8 Hz
    • Mechanical Q Factor Qms 11.48
    • Electrical Q Factor Qes 0.57
    • Total Q Factor Qts 0.543
    • Mechanical Moving Mass Mms 202.6 g
    • Mechanical Compliance Cms 103.05 um/N
    • Force Factor BL 20.87 Wb/m
    • Equivalent Acoustic Volume Vas 219.7 It.
    • Maximum Linear Displacement Xmax ±7 mm
    • Reference Efficiency ηo 1.575 %
    • Diaphragm Area Sd 122.54 Cm2
    • Losses Electrical Resistance Res Ω
    • Voice Coil Inductance@ 1K Hz LE m H

     Electrical Characteristics

    • Nominal Impedance 4 or 8 Ω
    • Musical Power 2000 W
    • Rated Power 1000 W
    • Sensit
    • Peak Power (6dB Crest Factor) 4000 w (A.E.S.)
    • Usable Frequency Range -6dB 35 Hz - 1.0 kHz
    • Sensitivity@1W/1m 99 dB

     Construction Characteristics

    • Magnet Ferrite
    • Voice Coil Winding Copper
    • Voice Coil Former Kapton
    • Cone Paper - Made In England
    • Surround Treated Cloth
    • Dust Dome Paper
    • Basket Die-Cast 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 for Andrew use this form or Live Chat for a fast reply.