[TenTec] RF choke for Titan 425?

[Rich Hallman - N7TR]

I have looked at the Ameritron (RF Parts RFC-3) choke and Im not sure it will fit.  I am ordering one, but wanted to see what others have used since this seems like a common failure.   I have 6 Titan 425's here and have 3 of the amps that need the choke replaced.  Most failures have happened on 15 meters.

Rich  N7TR

-----Original Message-----
From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of GARY HUBER
Sent: Monday, October 29, 2012 5:35 PM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] RF choke for Titan 425?

Rich, my original (S/N 425-00516) Titan-425, smoked the plate choke right after I purchased it in May 1990. I believe the replacement is not continuous spacing but has several sections to avoid a resonance found in the early plate chokes.

See http://www.w8ji.com/rf_plate_choke.htm for plate choke theory, design, and testing.

73 ES DX,
Gary -- AB9M

-----Original Message----- 
From: Rich Hallman - N7TR 
Sent: Monday, October 29, 2012 4:54 PM 
To: tentec at contesting.com 
Subject: [TenTec] RF choke for Titan 425? 

What has been used as a replacement choke for the Titan 425?   Thanks....

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