[Amps] TL-922A

[EP Swynar]

Hi Gerald,

Just one more reason to support my previous argument in favour of
homebrewing...

The plate transformer that delivers 2500 VDC to my 813s weighs in at 90
pounds, and will deliver 600 ma., key down, CCS, without so much as even
flinching (full-wave rectification, too --- no voltage doubling).

I run my tubes at 400 ma., of course, but the point is, with a homebrewed
design, you can build-in reserve capacity, and THEN some...why be a victim
to some bean-counter's drive to shave costs?

~73~ Eddy VE3CUI - VE3XZ

*****************************


----- Original Message ----- 
From: <TexasRF at aol.com>
To: <decaturbrad at yahoo.com>; <amps at contesting.com>
Sent: Friday, September 14, 2007 10:34 AM
Subject: Re: [Amps] TL-922A


>
> Back in the mid 80's I ran a TL922 while "playing" at contesting. I say
> playing because my contesting skills are too poor to really compete.
>
> Even in the play mode on SSB after a couple of hours of steady operation,
a
> pungent "my power transformer is getting too warm" smell would appear. I
never
>  had a failure but was concerned about the amplifier survival.
>
> Running CW on the SSB setting will place a higher duty cycle on the unit
and
> hasten the over heating period. I would suggest that casual hunt and
pounce
> style operating might be ok but rag chewing or heavy contesting is a
definite
> no-no.
>
> My two cents worth,
>
> Gerald K5GW
>
>
> In a message dated 9/13/2007 10:46:04 P.M. Central Daylight Time,
> decaturbrad at yahoo.com writes:
>
> Despite  the warnings in the manual, is it OK to operate the TL-922A in
SSB
> mode using  CW?
>
> -Brad
>
>
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