Tom: I am acquiring another Corsair II. I remember years ago you had given
out the tech data to CFO types, for an audio filter mod to tame the annoying
sidetone. Do you still have that information around? Irv W7GX.
----- Original Message -----
From: "Chester" <calderman@cox.net>
To: <tentec@contesting.com>
Sent: Wednesday, February 05, 2003 3:36 PM
Subject: RE: [TenTec] playing with the Corsair II
> Tim,
>
> Be careful!! The Ten Tec BUG is about ready to bite you! The
> more you tinker with the Corsair, the more your gonna like the thing.
>
> I'm not familiar with the Omni V, but in the Omni 6 and 6+,
> there were some reports of chirp on the CW signals. I think it was
> either N4LQ or W9AC that investigated and found out that the CW carrier
> was set very close to the skirt of the 2.4kc filter. The cure for the
> chirp was to replace the 2.4kc filter with a 2.8kc filter. Not only did
> that eliminate the chirp, it gave you a little more bandwidth for SSB
> operation as well. However, I have never heard of that chirp being a
> problem in the Corsair II.
>
> I bought an Omni 6 in '92, and had the Option 3 installed
> somewhere around '94, but N4LQ said that I had one of the few Omni 6's
> that did not have that chirp. Most of the time I ran my Titan amp with
> the Omni, so it sure would have shown up if my rig had it.
>
> The Corsair II really never needed much changing to it, except I
> just hated that raspy CW monitor tone. In every Corsair II I've owned,
> I've done something to improve the CW sidetone, but rarely anything
> else.
>
> I would suggest you not do anything to your Corsair II until
> after you get your Omni 6 Opt.3. Then I bet your Corsair II will not be
> turned on very often!
>
> Tom/W4BQF
>
> Chester Alderman
> calderman@cox.net
>
> -----Original Message-----
> From: tentec-bounces@contesting.com
> [mailto:tentec-bounces@contesting.com] On Behalf Of tlogan7@cox.net
> Sent: Wednesday, February 05, 2003 4:28 PM
> To: tentec@contesting.com
> Subject: [TenTec] playing with the Corsair II
>
> Hi all -
> While searching for an Omni VI+ or option 3, I must confess I cannot
> help playing with the Corsair II. The little critter has no frills but
> sure a lot of character. Hard not to tinker, study the boards, etc. Geez
> those people made rigs easy to check out didn't they?
> Anyway,I remember in the Omni V it was not uncommon for people to put
> a pair of 2.8 Inrads in to widen up the SSB - depending on the ops
> taste.
> I'm not a 100% clear on the corsair II filtering scheme as to whether
> this would create a problem in the Corsair II - to swap a 2.8 for a 2.4
> or if it would affect my primary mode of cw negatively. I get the
> impression from Ten Tec that it is not a good idea, but am not clear of
> the reasoning. Any help out there on this one?
> Also, did I read somewhere that the Corsairs were prone to throwing
> off a little RF in the shack or am I way off track - wrong pew, wrong
> church?
>
> Thanks folks.
> 73/Tim
>
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