[1000mp] ft1000mp CW clicks and bad audio

[Morris Wideman]

Maybe you have something dropping the voltage from 12VDC source to the radio when you start to draw more current for high power. Bad connection, solder joint, power supply, too small of wiring guage ???. Best regards
WA4MIT


--- On Sun, 10/19/08, iz3esv at alice.it <iz3esv at alice.it> wrote:

> From: iz3esv at alice.it <iz3esv at alice.it>
> Subject: [1000mp] ft1000mp CW clicks and bad audio
> To: 1000mp at mailman.qth.net
> Date: Sunday, October 19, 2008, 7:32 AM
> Hi all, I'm just new to the list. I had the chance to
> find a very clean and plain MP last week and I picked it up
> at a local store. 
>  
> The rig is very nice (althoug used) and all is going
> through well. It is a 12Vdc version, no opt filters at all.
> I am mostly a CW op and my main concern is to have a nice
> machine for keying... well, I'd surely make the clicks
> mod by INRAD - or something closer - but at this time I am
> experiencing something annoying beside well known
> key-clicks: when I turn up the power to 100W, I can hear a
> very bad "bass-boost" - a bass reverb - on the
> speaker and in my headphones. This causes a distorted note
> and a "sticky" manipulation both in monitor mode
> than in "spot"mode. beside that, the note coming
> out is something lower and it produces something like
> "old-Russians" tone, quite close to a laser-beam
> gun in sci-fi movies! In this way barefoot keying with 100W
> becomes hard...
>  
> This happens only with QRO; if the power is turned down to
> 50W or lower, the reverb on the headphones disappears
> completely, and QSK is clear and nice as it should be. Some
> people suggested to me that it could be an RF-return, but
> there is no return at all with my ACOM1010 on agt 500W!
> neither in SSB... and I never experienced RF troubles before
> with different radios and the the same aerials...
>  
> Maybe it's a problem with my ALC? 
>  
> I've read something similar in VA3CR's site about
> SSB, and the trouble was shot with a different DC cable
> (maybe a cable failure)...
>  
> I'm in love with this radio. Truely, I come from an
> IC-7400 and this receiver rocks, even without mods. But I am
> experiencing this strange thing, which never happened to me
> before. Hopefully you can help me?
>  
> Thank you so much!
>  
> Tony, IZ3ESV . . 
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