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[TenTec] thanks for Corsair II/SB-221 advice

To: <tentec@contesting.com>
Subject: [TenTec] thanks for Corsair II/SB-221 advice
From: N4NT@charter.net (Mike Hyder -N4NT-)
Date: Sun, 14 Jul 2002 20:22:44 -0400
Here's a site for your amp qsk mods:
http://www.vcnet.com/measures/

Particularly:
http://www.vcnet.com/measures/sb220ci.html
here you will find everything you ever wanted to know about that amp.

73, Mike

----- Original Message -----
From: <WoodMirLtd@aol.com>
To: <TenTec@contesting.com>
Sent: Sunday, July 14, 2002 1:22 PM
Subject: [TenTec] thanks for Corsair II/SB-221 advice


> Hi all,
>   Many thanks to Jim K4CGY, Gary Hoffman, Dick KD4BRL, and another OM who
> recommended the Harbach mods (sorry I can't remember the name-XYL was
> meddling with the reader and deleted) for the advice on Corsair II and
SB-221
> compatability.  One experienced toasted T/R relay contacts and another's
held
> up well (wonder if TT used a relay with higher rating?).  Dick sent a JPG
of
> a nice interface to isolate the T/R relay contacts without another relay
> clattering.  It looks similar to the Ameritron device.  I'm definitely
going
> to look into the Harbach parasitic supression mod and homebrew Dick's
> interface for peace of mind.
>   On a related note, has anyone ever made the QSK vacuum relay mod to a
> SB-221 or similar amp?
>   Last but not least, thanks for all the interesting and educational
dialog
> on the list.  I used to wonder why TT fans were so devoted until the
Corsair
> II displaced my ICOM.  Being in a rush to get on the air, an incorrect
> connection was made to the external VFO.  It was right before Christmas
but I
> called TT anyway.  I was immediately connected with a technician familiar
> with the Corsair II who ran through the schematic and had an answer within
5
> minutes.  He even offered to throw a low signal NPN transistor in the
mail,
> but fortunately there was one in the junk box.  We were up an runing in
about
> 15 minutes.  Thanks again TT!
> vy 73,
> Woody   N5ZU . .



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