More fuzz, less fuss.
We've lowered fees and revamped tools for UK sellers and buyers.
More fuzz, less fuss.We've lowered fees and revamped tools for UK sellers and buyers.

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!

  • Power Handling: 100 Watts
  • Impedance: Switchable between 8 ohms and 16 ohms (via a rear-panel selector switch)
  • Attenuation Control: 11-step rotary attenuator plus a dummy load/mute step (12 total positions)
  • Cooling: Active fan-cooled metal enclosure
  • Inputs / Outputs: 1 amp input and two 1/4-inch speaker outputs (allows connecting one or two speaker cabinets)
  • Dimensions: 225 x 120 x 200 mm
  • Weight: 4.8 kg
  • Origin: Made in England
  • Inductive Load: Presents a reactive, speaker-like load to your valve/tube amplifier so the output transformer and tone dynamics behave naturally.
  • Volume Reduction: Safely turns down a cranked 100W stack to small-club, studio, or bedroom levels without sacrificing overdriven tube tone.
  • No External Power Required: Operates passively off the amp's speaker signal (though the internal fan uses active cooling).

Tested and under warranty. Every preloved item is serviced, repaired if needed, and tested by our techs before it goes on sale. Used gear comes with our warranty: 3 months for electrical faults and 6 months for structural faults. It excludes misuse, neglect, unreasonable wear and service items such as strings and batteries. It's on top of your rights under the Australian Consumer Law.

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Southside Guitars Brisbane
16 Chrome Street
Salisbury, QLD 4107
Australia

Listed5 days ago
ConditionVery Good (Used)
Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more
Brand
Model
  • PB100 Powerbrake 100 Attenuator
Finish
  • Black
Categories
Year
  • 2010s
Made In
  • United Kingdom
Impedance
  • 16 ohms
  • 8 ohms
Color Family
  • Black
Power Handling (Watts)
  • 100

Product safety information may be available here.

Southside Guitars

Salisbury, Australia
Joined Reverb:2026

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