Kelly -
I've submitted a post which included my experiences with my Titan 425. It
included a photo of one of the filter caps cut opened. It is too large for
this newsgroup for automatic posting but there is a chance the moderator
will approve it. If not....I can try to e-mail it directly to you.
Tom K2TA
----- Original Message -----
From: "Kelly Jones" <kjones@sullivan1.com>
To: <tentec@contesting.com>
Sent: Friday, August 22, 2003 11:01 AM
Subject: [TenTec] Titan 425 insight needed
> Hello group,
>
> I recently picked up a Titan 425 and am looking for some insight.
>
> One of the first things that I noticed is that the input SWR is over 2:1
on
> both 20 and 40m. It is near flat on 15. I have not tried 80 or 10 yet,
> nor the WARC bands. Looking at the schematic, I didn't noticed where or
> *if* the Titan uses a tuned input for each band. I'm new to Tentec amps,
> so I'm trying to learn the layout of the Titan. I've always had Henry
amps
> and they all had big ole slugs you could tune for each band. Is there a
> way on the Titan to tune the input for each band? If so, where are the
> things located?
>
> I know this has been beaten to death, but is there a way to quiet the
> fan? While it's not much louder than what I'm used to (Henry fans are
> loud), the Titan fan must be slightly out of balance as it does vibrate
the
> desk a little. I find the vibration more annoying than the noise
> itself. I have cleaned the fan so most of the dust buildup is gone, but
> that didn't seem to help much. I also noticed that it looks like someone
> had put a rubber "cushion" under the bottom of the fan, I'm assuming to
> help reduce the vibration. I've read there are no replacements for the
> fan, so I guess I'm looking for suggestions to quiet it down, unless an
> after market type has been made available.
>
> Would it be wise to replace the transformer with a Peter Dahl? I notice
> the transformer hums a little in idle and *really* hums under full
> load. While the hum isn't too annoying since the PS sits under the desk
> out of the way, I just hate to be in the middle of a contest and have it
go
> belly up. I'm also a little concerned about the filter caps in the
> PS. It's hard to tell, but it looks like the caps have a late 1984
> datestamp on them. Was the Titan amp being made that early? If these
caps
> are indeed nearly 20 yrs old, I guess I should think about replacing them
also.
>
> The one good thing is that the amp had been back to Tentec before I
> purchased it for the 160 drift mod. So at least that problem is taken
care of.
>
> Thanks for any advice/insight/suggestions. Compared to my Henrys (which
> have all been sold), this Titan is such a little thing. I keep thinking
> I'm gonna break it. But so far, so good!
>
> 73
> Kelly - KE9KD
> http://www.dxcentral.com
>
>
>
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