In Reply to: Origins of the Groove Tubes 12AT7? posted by A.A. on August 17, 2006 at 15:52:34:
Get a hold of Myles Rose at Groove Tubes or via his website http://www.guitaramplifierblueprinting.com/I'm sure he can spread some light on this.
Regards
Robert
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Follow Ups
- Re: Origins of the Groove Tubes 12AT7? - morinix 09:28:51 08/18/06 (0)