Mesa Boogie’s transparent overdrive is a great way to add sustain and harmonics to your sound. It features a Baxendall EQ with Bass and Treble controls, allowing you to shape your tone. It can be used as a stand-alone overdrive in front of a clean channel, or to push a high gain amplifier. It has enough gain for fluent leads and enough Mesa character to pump up your Marshall or Fender amps. It also matches perfectly with other Mesa amps or pedals. The circuit initially calls for 2SC1815 NPN silicon transistors for the input and output buffer, but these can be replaced with more common 2n3904 or 2n5088 transistors. The controls are Bass, Gain, Level, and Treble. With these, you can create a wide range of tones, from subtle to aggressive.

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