[AMPS] Purchase Recommendation?

[Peter Chadwick]

Jon KE9NA says:
> >>need to take the QSK capabilities of the amplifier into consideration.
> ...
	>>IMHO, I wouldn't worry about it.  Some say that with the TX speed
of 
	>>modern rigs, you need it so you don't hot switch.  However, when
you >>key down with SSB you don't generally start talking in a couple of 
	>>milliseconds.  Again, I wouldn't worry about it and I would only
make 
	>>whatever modifications you deem necessary after having the amp and

	>>working with it for a while.

Pete, N4ZR says

	>Here, I disagree, at least in part.  I have experienced T/R relay
sticking
	>in my SB-220 due to hot switching, in both phone and CW.  If you
rely on
	>the vox to switch from receive to transmit for either phone or
RTTY, your
      >radio will probably deliver RF to the amp's relay before it's ready

I go along with Pete and Rich here. Also, I'm told that some of the modern
radios will give a 'spike' of RF on key down without an input, because the
gain is high, and the switching transients give a 'glitch', and the ALC
won't operate fast enough to catch it.

73

Peter G3RZP



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