another amp failure ?

S

SSII x 2

New member
When I power up my Champion 600 RI, it runs fine for about 2-3 minutes,

then no sound except for a loud hum. Jewel lamp is lit throughout. Any

suggestions?

 
When is the last time it was in for servicing? When I have amp troubles, my first course of action is usually to clean all the contacts and potentiometers.

 
I bought it new, maybe 6-7 years ago, when they were still in production,

and it's been used lightly. I will say that the trouble started when I retubed

it with great NOS tubes. Maybe I ought to change it back and see what

happens?

 
SSII x 2 said:
I bought it new, maybe 6-7 years ago, when they were still in production,

and it's been used lightly. I will say that the trouble started when I retubed

it with great NOS tubes. Maybe I ought to change it back and see what

happens?
Click to expand...
Yup. I would call that a "clue".

 
Always check the tubes first, it's the low hanging fruit.

BTW, it has been my experience that NOS tubes in some of the newer cheaper amps don't hold up.

 
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