Hand-built amplifiers & restored electronic pianos

Tropical Fish is a vintage electronics workshop. We restore Wurlitzer electronic pianos and other classic keyboards, build new amplifiers inspired by vintage design principles, and offer technical resources intended to keep the instruments we love alive and playing.

keyboard restoration →

Restore your vintage Wurlitzer or other electronic piano to the tone and responsiveness it had when it was new.

Instrument amplifiers →

Shop handmade tube amplifiers inspired by our favorite vintage sounds. Or, inquire about a custom amplifier for your Wurlitzer electronic piano.

technical guides →

Read guides on how to repair vintage electronic pianos and amplifiers, or ask us questions about how to approach your specific instrument.

parts shop →

Browse the parts, tools, and material that we use ourselves in our restorations.

tropical fish archive →

Browse thousands of Wurlitzer Co. technical documentation that had been rescued from the Wurlitzer electronic piano and organ factory.

Projects Division

KEYBOARD RESTORATIONS

Restore playability & tone in your vintage analog keyboard
Custom amplifier builds

Vintage-inspired designs optimized for recording & performance

Explore Tropical fISH

A hand holding a Tropical Fish electrostatic preamplifier device outdoors against a backdrop of trees and a blue sky. 
tropical fish M3
our hand-wired vacuum tube preamplifier for guitar & ep
A view of the inside of a piano with visible hammers and strings. 
wurly hotline
it's back! 
ask us anything about fixing keyboards
Room filled with stacks of papers and files on desks and shelves, a vintage electric piano, a warm table lamp, a plant, and framed artwork on the wall. 
TROPICAL FISH ARCHIVE
~75,000 Wurlitzer Co. engineering drawings & documentation