Black Ash
EarthQuaker Devices Discontinued

Black Ash

Black Ash is a limited-run fuzz/overdrive guitar pedal inspired by the vintage three-knob Bender circuit, built with rare vintage components. It suits guitarists, bassists and synth players after a detailed, bright-leaning fuzz. It is no longer in production.

  • Limited to 1500 units worldwide
  • Fuzz/overdrive based on the vintage three-knob Bender
  • Fuzz, Top and Level controls
  • Top control covers 2 kHz to 10 kHz
  • True bypass with relay-based switching
  • 9 V DC, 2.1 mm negative center, 20 mA
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Description

Black Ash is a fuzz/overdrive pedal that draws on the vintage three-knob Bender design. It was limited to 1500 units worldwide and built with a selection of rare parts, including paper-in-oil capacitors and NOS half-watt carbon composition resistors. The voicing combines a bright, detailed treble response with a firm midrange and deep bass extension.

Three controls shape the sound: Fuzz sets the amount of gain, Top adjusts high frequencies between 2 kHz and 10 kHz to push the signal forward or back in a mix, and Level sets the output volume. Audio demos cover guitar, bass and synth sources.

The pedal is true bypass using electronic relay-based switching, so audio does not pass when it is unpowered. It runs from a standard 9 V DC supply with a 2.1 mm negative-center barrel connector. A pedal-specific, transformer-isolated or isolated-output supply is recommended, and higher voltages should not be used. The maker has marked the model as discontinued.

Video

Specifications

Brand
EarthQuaker Devices
Model
Black Ash
Category
Effects and pedals

Controls

Fuzz
Adjusts the amount of gain
Top
Adjusts high frequencies between 2kHz - 10kHz
Level
Sets the output volume

Audio

Circuit type
Fuzz/overdrive
Input impedance
100 kΩ
Output impedance
22 kΩ
Key components
Paper-in-oil capacitors and NOS half-watt carbon composition resistors

Switching

Bypass type
True bypass
Switching
Electronic relay-based; audio will not pass without power

Power

Voltage
9 V DC
Connector
2.1mm negative center barrel
Current draw
20 mA

Physical

Dimensions
4.75" x 2.50" x 2.25" with knobs
Production run
Limited to 1500 units worldwide
Status
No longer in production

Documents

PDF User manualPDF · by the maker

Data: earthquakerdevices.com; photos: EarthQuaker Devices product page · updated 2026-10-13 · Found a mistake? Write to us