Schematic of 30w Framus ruby riot.

Posted by Gavin on Fri, 10/01/04 - 21:43:28.

G'day folks. I repair tube guitar amps as a hobbie. I have a friend with two Framus Ruby Riots which I maintain for him. The plastic tube sockets have melted due to a P.S.U fault.So I have drawn up a schematic to trace the fault.My request is are there any techo dudes out there who have experienced the same problems?
I have repaired other P.C.B related faults on two other Ruby Riots so I am thinking other people have had the same trouble. The Riot sounds fantastic when it's working. Is a schematic out there someware?

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Re: Schematic of 30w Framus ruby riot.

dont know about the schem but that amp is one of the best.

Re: Schematic of 30w Framus ruby riot.

A customer is coming into my shop with one that has symptoms that indicate a PSU failure or tube socket problem. No schematic. Please let me know if y'all located one.

Framus Ruby Riot problem

Unrelated but I have a question. Since you work on these amps can you tell me what may be my problem. It turns on, has great sound and then soon after being on all sound quits and all you hear is a slight buzz. What tube or rectifier may be overheating and giving up?

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