wanted RA 7 GRAMPIAN INFO

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chris king
Posts: 127
Joined: Sat Mar 17, 2012 4:34 pm

wanted RA 7 GRAMPIAN INFO

Post: # 53957Unread post chris king
Wed Aug 21, 2019 4:29 pm

Grampian RA 7

Has anyone got a Grampian manual and schematics for the RA 7 amps and power supply THAT USES KT 66 TUBES INSTEAD OF 6 BL 7 TUBES. . I have a grampian amp and kt 66 tubes are used in the v4 and v5 positions.on the chasis they are clearly marked as kt 66.. one amp uses kt 66 tubes the other uses 6 BL 7any help ...
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