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Re: [Amps] Alpha 78 won't turn off

Subject: Re: [Amps] Alpha 78 won't turn off
From: Jim Barber <>
Date: Thu, 22 Sep 2011 10:22:00 -0700
List-post: <">>
I have a 76A that does this once in a while as well. If there's a known 
cause, please post to the list!


On 9/20/2011 8:07 AM, CHUCK CULLIAN wrote:
>   I have an Alpha 78 that wouldn't turn on and I found that a 10K power 
> resistor that dropped the 220 down to 110 to turn on the main relay was open. 
>  When I replaced it, the amp came on but when the off button is pushed, it 
> only turns off momentarily while the off switch is held.  When I let up on 
> the Off switch, the amp comes back on.  Any ideas?
> Chuck K0RF
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