This Pedal is currently available.
12AU7 Boost Pedal
ALVE is an all-tube boost pedal (no silicon involved) operating in starved-plate and starved-heater mode, which is difficult to pull off. Most attempts (Matsumi) have marginal performance due to excess grid current at such low bias. This new design solves those issues, breathing life into the tube, achieving full bandwidth and performance, all while maintaining that gooey non-linear tube goodness. This pedal will fatten up your tone like nothing else. Destined to be your always-on pedal!
Waveforms show clean, but warm and harmonically rich response for single coils, with a wee bit of hair added for humbuckers. Put a BOOST in front of the VALVE for fantastic tube overdrive, similar to a Butler!
VALVE is available optimized for either guitar or bass. For synthesize and piano use, select the bass variant.
Specifications
True bypass
20dB gain
12AU7 tube (included)
Level control
100k ohm input impedance
20Hz/100Hz to 20kHz bandwidth (bass/guitar)
9V @ 135mA power (up to 12V)
https://www.hagamps.com/collections/pedals/products/valve-12au7-warm-boost-pedal
