Modeling, Design, and Prototyping

For The Musical Instrument Electronics Trade

Open Source DIY Designs and Legacy DIY Builds

PW100B Tube Bass AMP

100 Watts, 4 x EL-34, 1 x 12SL7, 2 x 12AU7

PW8Bv1 Bass Amp

500 Watts RMS, ICEpower 500ASP

PW7Bv2 1/2 rack Solid STate Bass Preamp

 

3 Band EQ + HPF & PEQ, FET LIne Driver, Jensen Output Transformer

PW6B Tube Bass Preamp

1 x 6SL7, 2 x 6SN7, Jensen Input and output Transformers

PW3B-LPF Bass Preamp/EQ Pedal

Open Source Musical Instrument Preamp/EQ Pedal

Github Repository With Schematics And BOMs

Marco Bass Guitars MV4

Custom Marco Neo Sidewinder Pickups

BasS/Mids Boost/Cut EQ On Neck Pickup

Resonant LOw Pass Filter w/Q Switch ON Bridge Pickup

Active blending Via Detented Boost/Cut Volume Controls

Salvaged Ash Body From Marco Bass Shop Fire

Marco Bass Guitars Website