Hello

If your coax connection in/out amplifier is ok, you probably need to clean
the antenna relay contacts in the amplifier.

Once done, allow few hours of "stand-by" position (tubes with filament on)
to apply power to it.

Regards Fred PY2XB

> Most likely a stupid question but I have never in my 20+ years in the
> hobby used an amplifier on the HF bands (nor above 30 mhz for that
> matter).
>
> A recent silent key estate was put up for sale.  It is a Kenwood TS-530SP
> and a Heathkit SB-201 amplifier.  The station is completely assembled. 
> When I turned the Kenwood transceiver on and left the amp off I heard
> nothing.  I bypassed the amp and suddenly the Kenwood was working just as
> it should.  Lots of signals on 40m and I made a few contacts.  I did not
> turn the amp on as I wasn't sure about it's operation and without a manual
> at hand I figured to let sleeping dogs lie.
>
> My question is......is that how it should be?  That with the rig on and
> the amp off I heard nothing.  I assume that had I turned the amp on that I
> should be hearing what I wanted to hear out of the transceiver??  That the
> amp has to be on for the full circuit so to speak to operate???
>
> Again, never owned an amp.  Thinking of the Kenwood to use at my cottage
> and the amp here in the shack hooked up to a TR-4 that I picked up.
>
> Any thoughts out there???
>
> Sorry....all non-Drake except for the low pass filter!!!  (I know...that
> is the best part of the station, right?)
>
>
>
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