[Amps] Attenuation of signal

[gudguyham at aol.com]

John. I’ll assume your radio antenna feed passed through the amplifier when it’s off rather than you having a switching network.  If that’s true then there should be no difference in the received signal when the amp is off or on in standby.  Shouldn’t make an difference.  If you do see this difference you speak of then you probably have a shorted relay cable or problem with radio that is keying up the antenna relay in standby.  If this is the case you should be seeing some plate current on the meter.  Also the Xmit light will probably be lit too.

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On Sunday, January 21, 2018, john shea <w3khg at triad.rr.com> wrote:

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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