[Amps] SWR Foldback driving a TL922

[Iezzi Family]

I have a TL-922 and have driven it with a TS-850 with no problems.  My cable 
is about 4 feet long.  The tune-up procedure in the manual is unusual.  Did 
you try it?

Steve
KT4FY

----- Original Message ----- 
From: "Robert Katz" <rob.katz at thelegacycenter.com>
To: <amps at contesting.com>
Sent: Sunday, September 18, 2005 12:52 PM
Subject: [Amps] SWR Foldback driving a TL922


> I'm having problems driving a Kenwood TL922 amp with a TS850, and I'd
> appreciate any help you can offer.  I had no problems driving the
> TL922 using a TS830, but with the 850 I'm getting a high SWR and the
> rig foldbacks it's output power.  I'm assuming that the 830 had no
> problem matching the high SWR because it has a tube final, but the
> 850 isn't as flexible.  I tried adjusting the tuning slugs in the
> TL922 while transmitting the 850 and monitoring the SWR, and I
> managed to lower it a little bit on some bands but not enough to
> fully drive the amp.
>
> Any ideas on how I can get the amp tuned up?  Is there a simple
> procedure I can follow?  I have an antenna analyzer (MFJ 259) and an
> SWR meter, but no other test equipment.
>
> Thanks and 73,
>    Rob, KA1ARB
> -- 
> Rob Katz, Director
> Legacy Center, Inc.
>
> (919) 678-6000 x106
> (919) 678-6015 fax
> rob.katz at TheLegacyCenter.com
> www.TheLegacyCenter.com
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