Hi Barry.
I used to think the Corsair II was noisier but I have a nice Omni C and the
Corsair 2 is much quieter. Maybe I had a dud?
I have 3 of these C2's now!
TenTec finally fixed the popping AGC in the C2 by bypassing the audio
filter and using the AGC voltage doubler circuit.
On Wed, Nov 23, 2016 at 3:05 PM, Barry N1EU <barry.n1eu@gmail.com> wrote:
> Warms my heart to see W9AC and N4LQ posting on the Ten-Tec reflector
> lately, like the good old days!!!
>
> Only want to add one comment Steve. I'm almost certain you already know
> this, but I think there was a significant jump in noise from the Omni ABCD
> to the Corsair series and then another jump up to the Omni V/VI series.
> You can mitigate much of the Corsair noise by replacing the AF op-amps etc,
> as described here: http://corsair.wikidot.com/corsair-opamp . I think my
> Omni VI is as quiet as my Corsair, but both of them have been heavily
> tinkered with.
>
> Barry N1EU
>
> On Wed, Nov 23, 2016 at 6:59 PM, Steve Ellington <steven4lq@gmail.com>
> wrote:
>
> > I had a loaded K3s then bought an IC-7300 and the noise level was
> slightly
> > lower to the point that the K3s started gathering dust.
> > Recently I picked up a couple of Corsair II's having forgotten what they
> > were like. After listening to the Corsair II for a while the noise coming
> > from the IC-7300 sounds like Darth Vader's breathing. Just a few minutes
> > ago I tried to have a QSO with a guy and I was having a terrible time
> > trying to copy his CW. I switched to the Corsair II and felt total relief
> > flood by frazzled brain. I kicked in the 500 hz xtal filter. The noise
> > actually goes down instead of up as it does in DSP rigs. I then brought
> in
> > about 50% audio filtering and he sounded like a CPO...Remember those?
> >
> > The Corsair II was the last of long like of analog rigs from TenTec. PLL
> > and DSP started creeping in and up came the noise.
> >
> > Here's a couple of videos I made to help get the point across. Again let
> me
> > say that the 7300 is one of the quietest (modern) radios I've had and boy
> > does it sound noisy next to the Corsair II!
> >
> > https://www.youtube.com/watch?v=oX8EWUcnvBU
> >
> > https://www.youtube.com/watch?v=8LBbiXXRex8
> >
> > It's frustrating. I don't want it to be this way. I want a receiver
> that's
> > better than the Corsair II. What to do?
> >
> > steve n4lq
> >
> > On Wed, Nov 23, 2016 at 1:32 PM, Steve Berg <wa9jml@frontier.com> wrote:
> >
> > > There is no way that it would be profitable to recreate the Corsair II
> > > these days. I really love my Corsair II, and its external VFO. But, I
> > > also realize that its days are numbered because many of the parts in it
> > are
> > > no longer available. And, while it was an outstanding DX and contest
> > radio
> > > when it was built, it is not suitable for contesting any more. Mine
> has
> > > done a great job for DXing from my rather poor location.
> > >
> > > I like it because after several years I have learned its quirks, and
> how
> > > to best use it under varying conditions. Realizing its age, I bought
> an
> > > Omni VII during the fire sale so that I would have a decent and much
> > newer
> > > radio when the Corsair II finally breathes its last. After several
> > months,
> > > I put the Omni VII on the shelf, and went back to the Corsair II. I
> > > eventually found a good home for the Omni with a newly minted ham. I
> > don't
> > > miss it. It seemed to require a lot of menu usage for simple
> operations,
> > > and for which the Corsair II just requires a bit of adjustment of a
> knob
> > or
> > > two. I was very impressed with the Eagle when I used one at the
> factory
> > > several years ago. Would I buy one at $1700 to have a backup for the
> > > Corsair II? Most likely yes, especially to help keep Ten Tec afloat.
> > Most
> > > of the Japanese radios make extensive use of menus, and I don't like
> > using
> > > those. I have two Argonaut VI radios, and the receivers in those are
> > > simply incredible. I would like to buy 2 more of them for use as
> VHF/UHF
> > > IF radios for transverters. They are apparently similar to the
> receiver
> > in
> > > the Eagle, so that would be yet another reason to buy an Eagle. Since
> I
> > > have little use for contesting, that does not enter into my preferences
> > in
> > > rigs.
> > >
> > > I have also worked in economic development as a city administrator and
> > was
> > > on the county economic development board out where I last worked in
> this
> > > field. What Mike describes is what we referred to as elephant hunting.
> > > And, I suspect that his comments about economic development being taken
> > > over by the local Chambers of Commerce is sadly true. What these
> people
> > do
> > > not understand is that by helping out smaller companies, there is a
> > > significant increase in a multiplier effect through the local economy.
> > > And, the local governments also have to provide less in the way of tax
> > > expenditures and other incentives. Where I live now local governments
> > give
> > > too many incentives to retail and warehousing, which do not pay enough
> to
> > > support a family. They are trying to capitalize on the local
> university
> > > students, but wind up shooting themselves in the foot rather
> > frequently. I
> > > would love to see a federal suit challenging economic incentives on the
> > > basis of the Fourteenth Amendment's Equal Protection Clause. That
> would
> > > really start to level the playing field in local economic development.
> > >
> > > Your Mileage May Vary...
> > >
> > >
> > > Steve WA9JML
> > >
> > >
> > >
> > > On 11/23/2016 10:33 AM, Ron Notarius W3WN wrote:
> > >
> > >> Yeah, like that's going to happen...
> > >>
> > >> Considering what Dishtronix has dealt with, prior to the Ten Tec
> > >> acquisition, in regards to overseas manufacturers, I have some serious
> > >> doubts that Mike would seriously do this. Even if there is sufficient
> > >> market for the rig today, which I suspect there isn't.
> > >>
> > >> Now if you could design a Corsair III, including a DDS type dual VFO,
> > and
> > >> could afford to build it domestically and sell it at a small profit
> for
> > >> circa US$600, you might have something. Maybe. But built in China?
> I
> > >> doubt it.
> > >>
> > >> 73, ron w3wn
> > >>
> > >> -----Original Message-----
> > >> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of gary
> > >> mankoff
> > >> Sent: Wednesday, November 23, 2016 10:36 AM
> > >> To: tentec@contesting.com
> > >> Subject: [TenTec] Bring back the corsair 2
> > >>
> > >> We need a new corsair 2 ,just like the old one with the filters
> > installed
> > >> ,made in China.
> > >> This is the only way TT can compete.
> > >>
> > >> Sent from my iPad
> > >> _______________________________________________
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> > >> http://lists.contesting.com/mailman/listinfo/tentec
> > >>
> > >>
> > >> ---
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> > >> https://www.avast.com/antivirus
> > >>
> > >> _______________________________________________
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> > >>
> > >>
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> > >
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