[AMRadio] Fwd: Re: Old Ham, New AM Enthusiast

Larry Szendrei ne1s at securespeed.us
Wed Dec 29 15:01:42 EST 2010


On 12/29/2010 1:56 PM, rbethman wrote:
> How is it drastic?  Surely you jest!
Not kidding at all, Bob,. It's at most an hour or two of work, none of 
the original parts need to be removed (except for the modulator tubes!), 
and very little of the original Apache circuit is disturbed - it's just 
not used. The mod can be undone at any future time with about the same 
time investment for the purposes of putting the rig back to original 
condition.
>
> I've performed the "other" methodology!  Works extremely well!
The addition of inverse feedback is easy and effective, but that alone 
won't provide the level of audio quality that my suggestion, with the 
use of a decent-quality external audio amp, will provide. And I've 
performed THAT methodology, and I can also attest it works extremely 
well ;-)
>
> Folks have to understand that the front panel audio control - ISN'T!  
> It is the "clipper" control!
Of course. It's right in the manual.
>
> Peek through the key jack!  THAT is the mic gain!  Leave the clipper 
> control darn near zero!
Yep.
>
> It does NOT mean you build an external modulation system, power it and 
> then feed your audio in externally.
You don't have to "build" and external modulation system. I used a 
tube-type PA amplifier I pulled out of a dumpster. I see equivalent amps 
at hamfests for giveaway prices all the time.  But a small solid-state 
PA or one channel of a stereo amp will do the trick too.
>
> Come on folks!  Let's give the man some HELP to GET STARTED.  The 
> "intent" is to get him up and running.  We have the chance to get 
> another one of "US" up and going.
>
That's what I'm trying to do, Bob! It's not that hard! Read my original 
post again. I think you're assuming it's more difficult or "invasive" 
than it is. Again, I'm not saying my way is the only way, but I will 
defend it against unfair criticism. In contrast you seem to be saying 
your way is the only one worth considering. I'm not trying to pick a 
fight with you or anyone else, Bob; I'm just offering a suggestion based 
on personal experience.
> Sometimes I get really bent out of shape!
You can say THAT again! ;-)
>
> He CAN start with the Icom dialed down enough, and fed into an 
> amplifier.  Then we teach him how to adjust the audio, MINUS all the 
> compression.
>
Yes.
> He can then join us, and we can walk him through getting a full plate 
> modulated radio with 100W out.  Then after he gets happy and 
> comfortable, he can get pointed to a Big Rig!
Yes.
>
> My $0.02.
>
> Happy New Year!
> Bob - N0DGN
>
>
73,
-Larry/NE1S



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