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 ...
wanted RA 7 GRAMPIAN INFO
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