Baltimore Sonic Research Institute Radical Conversion Discrete Opamp Distortion Pedal

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Discrete Drive – The BSRI Audio Radical Conversion Distortion Pedal Radical Conversion uses multiple discrete opamp architectures, including the classic Boss-design, to create a completely discrete, 27-transistor alternate universe homage to the Metal Zone, including the semi-parametric active EQ circuit. The titular Radical Conversion from integrated circuits to discrete opamps started primarily as a flex, because its crazy to make a discrete Metal Zone, but also because it sounds really good to create harmonically-rich drive sounds with lower performance opamp designs. All the subcircuits and filtering have been fine tuned for modern preferences and Radical Conversion adds a trio of preamp voicings to shape the overall voice of the pedal. Volume - Sets the output volume of the pedal. Crank this one up. Gain - Sets the amount of distortion in the primary gain stage. EVERYTHING in this design is contributing harmonic complexity, but this control sets the overall saturation level. I - The traditional MT-2 preamp voicing adds a cutting midrange boost before the primary gain stage. Often disabled in popular mods, this boost is the classic midrange snarl and works really well for adding pseudo cocked wah edge to riffs and leads. You’ll hear it mostly on the plain strings. II - Tight preamp boost for a razor sharp low end response in the gain stage. Excellent for players in low tunings who don’t want any flub. III - Fat preamp boost feeds more low end into the gain stage for added compression. Beef up single coils or a bright guitar or really lay into the riffs for sludgier tones Bass - Peaking low end boost/cut Treble - Shelving treble boost/cut Mid Freq - Semi-parametric frequency control for the midrange band. CCW is lower mids down to ~200 Hz and CW is higher mids up to around 4K Hz Mid Gain - Boost/cut control for the semi-parametric mid band Activate - True bypass soft-click footswitch to turn the effect on and off Power supply - Always use a high quali