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Post subject: Blues Deluxe RI, effect loop and reverb hum
Posted: Sat Nov 02, 2019 4:02 am
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I have marine reveb and mirror image delay that i put on the efects loop and it creates a pretty load hum. This happens at low volumes and doesn't matter if the effects are bypassed or active. When i put them in front of the amp it goes away.
There is, however a slight hum coming from the reveb circuit as well. Not sure if that's normal.
I have swapped out v1 for a 12ay7 to reduce volum a bit. Not sure if that is the problem or not, but i don't think so.


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Post subject: Re: Blues Deluxe RI, effect loop and reverb hum
Posted: Sat Nov 02, 2019 11:13 pm
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It might be a ground-loop issue.

How are you powering those pedals -- batteries or wallwarts?

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Blues Deluxe RI, effect loop and reverb hum
Posted: Mon Nov 04, 2019 2:32 am
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Using a one spot for some. Seperate adapters for others. If that's the issue, wouldn't it still be there when they are in front of the amp?


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