we design and build preamps, eqs, and signal processing equipment for audio recording

curated classic and own discrete designs

order-made with custom components

as discrete as possible

Harmonic distortion tone shaping and warmth box

Portia Street Stomp

inductor EQ

LH95

mic pre amp

QP5

mic pre amp and equalizer

H9

mic pre amp, equalizer, and compressor

622

Two channel tracking, mixing, or mastering equalizer

V2

4 channel mic pre amp

QPP

Several flavor op amps based on curated classic designs

OPAMPS

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