I did my best at my fav spots for schems and came up w/ only one golden tube and it wasn't yours.
Martin Mcguire works for Soundtechnologies. His company does repair work on Golden Tube. Phone # 408-356-3333 Website -www.soundtech-lg.com .
Centasound International Inc., PO Box 210337, San Francisco CA 94121 Tel: (415) 668-9003 or Fax: (415) 668-9638.
another source for Golden Tube repairs in Peoria, Illinois: "Electronics Diversified" (309) 688-2444. Really small shop but great staff; they have a tube specialist who can fix GTA equipment. Owner's name is Don Gort...ask for him.