July 2012
Our model 4041 RIAA Stereo Phono Preamp, reviewed by Michale Fremer in Stereophile, is now on SALE. For details please click here
Replacement modules for the Chet Atkins Super Axe guitar are now available. For details please click here.

March 2011
This is an interesting four-page article plublished in the April 2011 issue of The Absolute Sound magazine. I think it describes the most important contribution to music restoration that has happened in many years. And I am amazed by the computer technology employed! Zenph is not a record label but they work with record companies to creat "re-performances" -- there are currently three releases from Sony.
Please click here to download. The article size is about 1 MB.

March 2011
I have added a page on designing the Nashville Pro Guitar Amps for GMS, Inc. It includes circuit diagrams, circuit boards, photos and notes. I had to redraw many of the 35 year old drawings because they would not copy or scan. This info is free for use by anyone who has an interest in it. Please click here to take a look.