There's a reason I keep my CORSAIR-II with its external VFO operating daily;
its an excellent radio and it compares favorably to more modern radios from
TenTec as demonstrated in Sherwood Engineering Receiver Test Data
<http://www.sherweng.com/table.html> as having a 79 dB Dynamic Range narrow
spaced. With its PTO tuning and analog circuits, there are neither
digital artifacts or clipped audio to confuse the ear or brain.
The Corsair-II has possibly, the best receiver ever built by TenTec; from
what I've read it has circuits which were covered by ANZAC patents... "The
bipolar RF (and first IF) stage uses transformer feedback with a three
winding transformer. Its a circuit developed for the output stages of cable
TV distribution amplifiers where acceptable intermod is 70 dB down and in
Ulrich Rohde's book on receiver design he sees nothing close to having its
performance."
73 ES DX,
Gary -- AB9M
-----Original Message-----
From: Paul DeWitte
Sent: Tuesday, January 29, 2013 11:46 AM
To: tentec@contesting.com
Subject: [TenTec] A/B rig testing
I did a little bit of A/B/C testing on 160M with my Omni VII, Peg's Eagle,
and my Corsair II. I am not happy with the results.
I was listening to Bernie W3UR down in J7 on a beverage. I just hooked the
same coax to each rig, so it was a few seconds between each one. He was not
always solid copy on the Omni VII, but was Q5 on the Corsair II.
The winner was the reverse order that I have listed above. The Corsair was
maybe 3DB better than the Omni VII, but that can make the difference between
hearing someone and not hearing them.The Eagle was in between.
Has anyone else done this? The Omni VII is a very good radio, but just not
the best low band one.
73 Paul K9OT
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