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Need Help Trouble shooting

I Have a hum coming from my right speaker
I tried swapping speaker leads and the hum moves to the other speaker
i'm thinking it's a tube and i'ts my amp that is the issue
If it is a tube not sure if it's the output or input tubes I should be looking at
The pre when in operate mode without Amps on the hum is gone

Help me trouble shoot further
musicfile
tvad
9,467 posts
 
This link to the Exemplar Denon 2900 lists the tubes used. I owned one of these players. Swapping the tubes is easy. You just have to unscrew the top cover and remove it to expose the tubes.
musicfile OP
341 posts
 
Thanks Guys
You've been very helpfull.
musicfile OP
341 posts
 
Any tube recommendations for the Exemplar that works well
I belive I have standard 5965 tubes in mine.
tvad
9,467 posts
 
I think I used Amperex 7062, but I didn't spend much time or effort trying many types from several manufacturers.

You might give John Tucker a call. He's very helpful.
musicfile OP
341 posts
 
Further update I swapped out cdp and put in the tuner and the hum is gone !!!!
The source is definitely the issue.. would tubes in the CD Player be the only culprit or should I get the cdp in for a check up as well

You guys have made my day

Cheers
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