[Amps] AL-80B

[Carl]

It could be several things but Id call the factory first since it is still 
in warranty.

Carl
KM1H


----- Original Message ----- 
From: "Jim Barber" <audioguy at q.com>
To: "Mansfield Aubrey" <n3bm at finnsfield.net>
Cc: <amps at contesting.com>
Sent: Sunday, September 30, 2012 8:04 PM
Subject: Re: [Amps] AL-80B


> Aubrey,
>
> This applies to the AL-80/SB1000, but may apply to the 80B as well.
>
> If you pull the cover off, check to see if there's a power relay mounted 
> on a piece of metal that's screwed onto
> the rear cabinet wall. If so, make sure the screw is tight and the bracket 
> is firmly attached to the cabinet
> wall.
>
> I put an SB-1000 on the shelf for years because I thought the transformer 
> was delaminating; turned out it was a loose
> screw. Go Figure.
>
> 73,
> Jim N7CXI
>
>
> On 9/30/2012 3:38 PM, Mansfield Aubrey wrote:
>> My 5 week old AL-80B has developed a loud transformer hum when keyed. 
>> It's very noticeable (and annoying), even with headphones on. Is this 
>> normal? - Aubrey N3BM _______________________________________________ 
>> Amps mailing list Amps at contesting.com 
>> http://lists.contesting.com/mailman/listinfo/amps
>
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