Well, what can we say that has not already been said about the Golden Tube Audio SE-40.  This amp was and is a world class performer.  It is unmatched anywhere near its price range!  The SE-40 was definitely the cherry in the GTA lineup.  However, this unit notoriously suffers reliability issues.  If you own a SE-40 which has performed flawlessly, you are a minority.

Enter Sonic Craft.  We have re-engineered the SE-40.  While our kits have been long since discontinued, our legacy with the SE-40 lives on.  Our experience with the SE-40 has fueled further development.  Sonic Craft continues to service, repair, and modify the SE-40.

UPDATE - Sonic Craft will release a newly engineered kit in 2008.