Second Hand Marshall Powerbrake Power Attenuator


Second Hand Items Disclaimer

Second Hand gear is often subject to some wear depending on age and how well it was looked after. Any significant cosmetic damage is shown in the photos so please take the time to look through and make sure you are happy with the condition before buying. Please see below for a description of the condition of this item.

Second Hand FAQ

Condition: Good - Some small marks
Check out the photos and see if this is the deal for you! This item is second hand and may not include all accesories. Please contact us for further information.

This second hand Marshall Power Brake attenuator is in excellent condition with only a few minor cosmetic marks. It comes unboxed with no manual but is in full working order. A bargain price for this item which would normally retail around £250!


The Powerbrake 100 is that dream device, providing full control of the level between your amplifier and speaker without squashing any of the dynamic feel and tone. This totally roadworthy box links between your amplifier and either one or two cabinets.

A rotary dial on the front panel gives you eleven (11) level selections in 3dB increments, This allows you to go from unchained, full stage volume, right down to bedroom or apartment level in an instant, even with the amps Master Volume on maximum.

No external power supply is required, since the Powerbrakes reflected inductive load circuitry eagerly soaks up the amplifiers power. It then dissipates the resulting heat via a reactive fan which automatically responds to temperature increases created when you use greater attenuation levels.

With the Marshall Powerbrake you can drive your amp to the limit without losing control or your hearing!


  • Rotary dial with eleven steps of 3dB attenuation increments
  • 12th step dummy load
  • 8 ohm or 16 ohm operation (via convenient rear panel switch)
  • Two speaker outputs (1/4 inch jacks)
  • Self-powered fan cooling
  • Metal chassis with dual front handles
  • Dimensions: (mm): 225 x 120 x 200
  • Weight (Kg): 4.8
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