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 Post subject: TC15 HI Input issue
PostPosted: Fri Nov 07, 2014 11:06 pm 
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Joined: Sat Sep 27, 2014 9:05 am
Posts: 2
I finished this amp about a month ago and everything was working fine. Today I fired it up and when I plug into the HI input on either channel the amp is all muffled and fuzzy. The LO channel works fine.

Any thoughts on what I should look for?

Thanks,
Don


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 Post subject: Re: TC15 HI Input issue
PostPosted: Sat Nov 08, 2014 12:19 pm 
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Holy Ghost
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Joined: Sun Mar 13, 2005 4:10 pm
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Location: Canada
Doesnt make a lot of sense to me yet. Both Hi & Lo inputs go to the same point in the input tube, EF86 or 12AX7.
Coincidence possibly that both are acting up. But I would look at your jack connections and the 68K input grid reistor installations.

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 Post subject: Re: TC15 HI Input issue
PostPosted: Sat Nov 08, 2014 2:09 pm 
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Joined: Sat Sep 27, 2014 9:05 am
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Totally weird... Came downstairs this morning, fired her up and everything works as normal.

I've never had this issue up till yesterday but I'll pull 'er out of the cabinet and check the jacks and 68K grids.

Thanks...


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 Post subject: Re: TC15 HI Input issue
PostPosted: Sat Nov 08, 2014 3:31 pm 
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Holy Ghost
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Location: Canada
...or wait until it happens again!

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 Post subject: Re: TC15 HI Input issue
PostPosted: Sat Nov 08, 2014 6:25 pm 
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Experienced
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Your guitar cable ok? Maybe it has a sketchy solder joint.


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