Multi-stage solid state amplifier that emulates tube distortion

Details Multi-stage solid state amplifier that emulates tube distortion Multi-stage solid state amplifier that emulates tube distortion

1994-09-02

1997-04-08

Brinich, Stephen

Electrical audio signal processing systems and devices

Sound effects

381 62, H03G 300

Patent

active

056195788

ABSTRACT:
A multi-stage solid state amplifier emulates the distortion associated with grid current flow in a multi-stage tube amplifier by means of a clipping device in the circuit between each series connected stage. In a particular embodiment, each stage includes a field effect transistor (FET) and the clipping device is a diode. In another embodiment, each stage includes a Darlington connected pair of transistors. An input diode and a multilevel biasing circuit emulates a tube circuit input.

REFERENCES:
patent: 5131044 (1992-07-01), Pritchard

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