not normal, but the laminations are laminating.
Charles Harpole
k4vud@hotmail.com
> From: n3bm@finnsfield.net
> Date: Sun, 30 Sep 2012 18:38:54 -0400
> To: amps@contesting.com
> Subject: [Amps] AL-80B
>
> 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
>
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