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Re: [Amps] AL-80B

To: amps@contesting.com
Subject: Re: [Amps] AL-80B
From: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Wed, 03 Oct 2012 07:11:22 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
On 9/30/2012 6:38 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?

I wouldn't call it normal, but vibration is not uncommon in E/I transformers although it can come from things other than laminations.

As Carl said, as it's still well within warranty I'd call the factory first. They are known for pretty good service.

73 and good luck,

Roger (K8RI)



- Aubrey N3BM

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