1.35 Compression Driver 70w RMS 8 Ohm - BRC135


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£29.99Incl. 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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1.35 Compression Driver 8 ohm Professional HF Unit

The BRC135 high-quality compression driver made from professional grade materials and feature a Kapton voice coil and titanium diaphragm. Perfect partners for both high power, two and three-way systems.

Key Features:

  • Titanium Dome - British Design - UK Stock - Fast Delivery!
  • Extremely high-quality 8-ohm Titanium domed HF Driver
  • 1⅜" x 18TPI Thread
  • 100dB SPL
  • High Compliance Response:1.5K-20KHZ
  • Terminals: Colour coded sprung loaded press/release
  • 34.4 mm Voice Coil
  • Program power 140W above 1.2 kHz
  • External diameter 120 mm Depth 75 mm
  • Mounting 34mm 1 3/8" Screw Thread
  • Net weight 1kg
  • Magnet Ferrite with 'easy to replace' diaphragm
  • The minimum impedance of 5.2 ohm
  • Suggested crossover frequency 1 kHz or higher (12dB/oct min slope)
  • Spare Diaphragms stocked if you have an accident

This HF Driver Fits The Following Cabinets:

  • Peavey (Not Peavey Pro15)
  • JBL
  • D&B
  • Turbosound
  • HK
  • NEXO
  • FANE
  • Celestion
  • Carlsbro
  • EV
  • RCF
  • FBT
  • Adam Hall
  • Alto (some models)
  • Plus Many More - contact us for details

Manufactured in Taiwan in conjunction with our USA partners. This is a very reliable and superb sounding compression driver.

Unlike other HF units if a spike such as an amplifier component failure or excessive feedback kills the driver we sell low-cost replacement diaphragms.


  • Nominal Overall Diameter 90 mm
  • Nominal Impedance 8 ½
  • Nominal Voice Coil Diameter 34.4 mm
  • RMS Power 70 W
  • Magnet Weight <350g
  • Flux Density 0.75 T
  • Sensitivity@1W/1m 106 dB
  • Weight 32 Ounces or 907.185 gram
  • 35mm Thread


  • Voice Coil DC Resistance Re 6.2 ½
  • Resonance Frequency Fs 1300 Hz


  • Magnet Ferrite
  • Voice Coil Winding CCAW
  • Voice Coil Former Kapton
  • Voice Coil Winding
  • Height 2.4 mm
  • Diaphragm: Titanium
  • Air Gap Height 5 mm
  • Ferrofluid in Air Gap: No
  • Throat Diameter 25mm

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.