[Amps] Attenuation of signal

[Carl]

Usually relay contacts that became gummed up from constant low current use 
and insufficient wiping action. Open frame can be cleaned

The Vacuum relay optin can usually be restored by rewiring and putting low 
power thru the NC contacts a few times by toggling the relay.

My 1986 500ZC has the original vacuum relay and Eimac tubes.

Carl


----- Original Message ----- 
From: "john shea" <w3khg at triad.rr.com>
To: <amps at contesting.com>
Sent: Saturday, January 20, 2018 10:53 AM
Subject: [Amps] Attenuation of signal


> The Amp International LK500-ZC which I picked up couple weeks ago has
> another issue besides the fan. Running an FT-1000mp with it. When I tune 
> in
> a cw signal that is S7 and then put the amp online in standby the received
> signal will drop two S units, S5. What could cause this or areas to check.
>
>
>
> 73
>
> john
>
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