Tube power amp simulator

00:37:17

This circuit attempts to emulate the nonlinear behavior of a tube power amplifier by exploiting the intrinsic nonlinearity of a BJT long-tailed differential pair instead of using explicit clipping diodes.

The slight mismatch between the collector resistors intentionally introduces a small amount of asymmetry, promoting the generation of even-order harmonics.

Its output can be fed into a digital processor, such as an STM32-based system, for cabinet impulse-response convolution.

published 8 hours ago

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