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AUDIO FORUMS >> General Discussion and Support >> Channel balance problem
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Message started by rock4016 on 03/28/07 at 17:20:51

Title: Channel balance problem
Post by rock4016 on 03/28/07 at 17:20:51

I purchased a used select knowing that it had a weak channel. The right channel is weak and distorts at moderate volume when using the front RCA inputs.

When using the rear inputs the problem disapears. What should I check first? input cathode resistors?

Thanks in advance!
Joel

Title: Re: Channel balance problem
Post by rayd on 03/28/07 at 22:50:42

Hi Joel, I hope I'm not insulting your intelligence, but did you try different driver tubes and perhaps also flipping the byass switch to see if there was any change in signal strength?

- Ray

Title: Re: Channel balance problem
Post by rock4016 on 03/29/07 at 14:21:02

Yes I tried different driver tubes same problem.

The bypass switch helped some but the problem is still there (to a lesser degree).

I don't believe you could insult my intelligence, since you are offering to help. 8-)

Title: Re: Channel balance problem
Post by Rob on 04/15/07 at 13:46:29

I just discovered a problem on one of my Selects with one of the front input sockets being loose. It was causing a hum and decreased volume.

Check to make sure both inputs are both firmly seated.

Title: Re: Channel balance problem
Post by selmerdave on 04/15/07 at 16:48:54

Also check the solders at the front RCA's to make sure they are good. If you are getting good balance with the rear RCA's the problem must be somewhere between the front RCA's and the point where they connect to the pins of the input tube.

Dave