[AMRadio] Re: [Johnson] Amp advice


Mike Dorworth,K4XM k4xm at arczip.com
Sun Oct 30 11:57:04 EST 2005


Normal wake up time is one tenth of a second to allow heating of the
filament and charging of the capacitor. To be really certain, let it warm up
a full minute before honking down on it real hard...MIKE
----- Original Message ----- 
From: "John Lawson" <jpl15 at panix.com>
To: "Ed Tanton" <n4xy at earthlink.net>
Cc: <amradio at mailman.qth.net>; <johnson at mailman.qth.net>
Sent: Saturday, October 29, 2005 7:41 PM
Subject: [AMRadio] Re: [Johnson] Amp advice


>
>
> On Sat, 29 Oct 2005, Ed Tanton wrote:
>
> > Well... just my 2 cents, mind you... but it's bad enough using a linear
for
> > AM, considering the efficiency yielding only a little more signal than
> > talking louder would accomplish... but a **SINGLE** 3-500Z combined with
all
> > that INefficiency? Complete waste of time and 3-500Z after (what will
be)
> > short-lived 3-500Z.
> >
>
>     Thanx Ed!
>
>
>
>    Well:  Nummer One - It's only a Hobby. As in: to have fun with.
>
>           Nummer Two - I got the AL-80 and Tuner pretty cheap. (SK estate)
>
>           Nummer Three - I have a Ranger and a Valiant. The Ranger needs a
> couple of minor 'tweaks'; the Valiant has a few things that need fixin',
> and that equals time and money, thus I'll go with what I have, and work on
> Improvements later..
>
>           Nummer Four - I'm actively looking for a Thunderbolt - none on
> the hook right now.
>
>           Nummer Five - No one's actually *answered* the questions I have
> about 'waking up' the amp. (Yet, at any rate.) There has been some very
> pertinent and helpful advice, however - much appreciated.
>
>           Nummer Six - see Nummer One. Don't curse the QRP - light a
> Filament!
>
>
>
>          Cheers
>
> John   KB6SCO
>
>
>
>
>
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