The Amp Garage

Abso-freakin-lutely redonkulous !

rd

Matt D wrote:Thanks for the reply. It is blowing F1, the 2.5A fuse on the mains and the only one accessible from outside the amp.

The schematic indicates F4 may not be present on all versions.
In which case the mains fuse would blow if any of those diodes shorted.
(typical diode failure mode is a short)

rd

Unmolested AB165.
The circled resistors are usually the first targets for modding.

Mine also has the AB165 circuit with AA165 tube chart.
Both front and back plates are "FMI".

rd

http://ampwares.com/schematics/super_60_rack.pdf

Is the blowing fuse "F4", the HT fuse ?

I'd be looking first at the bridge rectifier, and then the flyback snubber diodes (on the power tube plates).

rd

Heppner ? probably a jukebox speaker.

Does it have a whizzer cone ?

rd

Their current rider calls for "JCM800, 50 watt preferred".
Not the same band members now, some died some quit, only one original member.
But it may still be an effort to nail the original tone.

I did see them back in the day, great band.

reddog

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