Pettyjohn Electronics PreDrive Studio


Musical, three-dimensional studio-grade preamp with boost and low gain overdrive.

Currently out of stock

SKU: 403286

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Stephen Pettyjohn and Chris Hoff have quickly manifested Pettyjohn Electronics as one of the most visionary manufacturers of high-end preamp pedals. The workshop in Albany, Oregon is famous for exceptional craftsmanship and uncompromising selection of audiophile components. Pettyjohn’s pedals add warmth, depth and definition otherwise associated with studio preamps of the highest quality, and the dynamic overdrive is inspired by boutique tube amps pushed to the edge of breakup. Pettyjohn is serious tools for the pedalboard.


Highlights Musical, three-dimensional preamp with boost and low gain overdrive
Two professional-grade discrete opamps
Unbalanced/balanced inputs and outputs
Ultra transparent input buffer/preamp
Vari-Z switch adjusts the input impedance
Up to +30 dB boost
Wide range sweepable high and low cut filters
Drive circuit for extra warmth and harmonic saturation
Internal charge pump for extra headroom
Buffered tuner output
Transformer coupled direct output with balanced TRS
Vintage-style knobs, jewel light indicators, and custom enclosure
Custom hand-finished Vintage Blue Patina paint job
Studio-grade components
Bypass True bypass
Power consumption 9-18V DC center negative (power supply sold separately)
50 mA
Dimensions H: 7,5 cm (incl. knobs)
W: 9,1 cm
D: 14,2 cm
Weight 932 g