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Earthquaker Devices Gray Channel Dynamic Dirt Doubler

Item: GIT0039488-000
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The Earthquaker Devices’ Gray Channel is a two-channel overdrive effect pedal, each channel containing 3x distinct modes.  All product info

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Gray Channel

Earthquaker Devices Gray Channel Dynamic Dirt Doubler

The Gray Channel is a two-for-one overdrive pedal hand-made by Earthquaker Devices in Ohio, USA, in fact the it was the pedal that inspired the Gray Channel (250 Gray Box Overdrive) that launched EQD in the first place. The two hard clipping overdrive types in the Gray Channel each have 3-way toggle switches which open up a huge range of available tones.

The Green control sets the output level of the “green” channel whilst the larger Gain knob adjusts drive and grit saturation, increasing as it is turned clockwise. The toggle switch offers three positions (Si, N & Ge) which change the response of the clipping signal. “Si” refers to Silicon clipping, a luminous fuzz tone which breaks up like a natural tube amplifier. The “Ge” is the Germanium clipping mode, a more glowing yet deep voice with a subtler delivery. Switch to “N” for no clipping diodes at all, forcing the channel into a clean boost until the upper gain range is reached, at which point the signal starts biting and distorting.

Selecting the second Red channel immediately provides a boost to the high gain properties of the signal, as well as providing another 3-way toggle to alter the nature of the clipping components. Flick to “LED” to bring on the loudest and most uncluttered tone. For a solid crunch the “Mos” mode provides the most compressed metal-style sounds. “N” works as the green channel does, removing clipping diodes altogether for a signal boost until high gain levels are reached, at which point it begins to misbehave.

All Earthquaker Devices pedals are built by hand in Akron, Ohio, USA.

The main features of the Earthquaker Devices Gray Channel include:

  • Dynamic Dirt Doubler Effect Pedal for Electric Guitar
  • Circuitry: Analogue
  • Gain x2/Green/Red Controls & Channel Mode Select Switches x2
  • Switching: True Bypass
  • Consumption: 14mA
  • Dimensions (DxWxH): 118 x 93 x 57mm
  • 9V DC Adaptor Powered (Not Included)

EarthQuaker Devices Gray Channel Dynamic Dirt Doubler


  • Manufacturer: Earthquaker Devices
  • Type: Distortion
  • Design: Compact
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