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Re: [Amps] Power Switch

To: Robert Kirkland <alpha76@triton.net>
Subject: Re: [Amps] Power Switch
From: Scott McGrath <mcgrath@fas.harvard.edu>
Date: Wed, 02 Jul 2008 10:55:11 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Try NTE electronics - http://nteelectronics.com

They specialize in the electronic service supply business so they 
probably have something

Robert Kirkland wrote:
> About three weeks ago I posted a problem as I could not turn on my Alpha 76.
> Turns out that the off / on switch is defective only in the "on" position.
> This is a very early 2 holer S/N 5032, probably made in Florida. My diagram
> shows a 750 ohm 2 watt resistor in series with the relay coil, this appears
> to be a "buffer resistor" to remove the inductive spark when the "on" switch
> contacts close. Good idea, however this resistor was not installed in this
> early amp. So after only 30 years, or so. the switch gave up.
> Where can I find a SPDT, mom-off-mom ,  toggle switch , through hole mount.
> Mouser and Digi-Key catalogs don't show it and Alpha is 0 stock. Help ! I
> miss this old boat anchor.
> Bob, w5pvr
>
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