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Thank you for purchasing the Kldguitar tube booster Kldguitar Tube booster Effect Pedal based on a subminiature OTK 6*2B-K vacuum tube. Through it, player can obtain true tube booster and overdrive. Many ways were used to control vibration of pedal, damping ring, reliability subminature OTK 6*2B-K etc.
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The amount of high frequency contour controls. Adds bite to the sound or makes it mellower 5 TOGGLE SWITCH Selecting the input characteristics of the tube gain stage. The tube booster should be placed first in the signal chain to allow the input circuitry to interact with the guitar magnetic pickup LED of ON/OFF: Indicator comes on when effect is on.
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