Smoke Signal Preamp

Smoke Signal is a two-channel preamp; the clean channel is essentially an Underground Accelerator, and the dirt channel adds extra gain on top for a beautiful thick drive. Each channel has independent gain, volume, and tone controls, and both go out through a nice low-impedance output buffer. It also features a speaker emulated recording output for convenience onstage.

6/16/22 NOTE: I’ve had reports of noise issues with a couple of the redesigned units, so I’m temporarily removing ordering until I can look into the potential issue.

This product is currently out of stock and unavailable.

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Additional information


Bass, Filter, Gain, Level, Mids, Treble, Volume

Enclosure Size


Footswitch Behavior

Bypass, Channel

Normal Price



2x 12AX7