SALE!  Save up to 120% off select SPECIMEN Speaker Horns and Amplifiers.  Now through Labor Day. Click Here!

Since 1986 we have been creating custom instruments, amplifiers and horn speakers one at a time in our Chicago shop. Each Specimen is handmade using traditional techniques and innovative design.

We also provide expert repair service and teach classes in guitar building, guitar setup and repair, and tube amp building.

LATEST PRESS

February 2017
The Art of Listening read more »
January 2016
Make: Magazine read more »
November 2015
Chicago Tribune read more »