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Re: [TenTec] OT: Need advice checking out a stored 3-500

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] OT: Need advice checking out a stored 3-500
From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 3 Aug 2014 20:20:38 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
There is no way to do this with the AL-80B.

A tube such as the 3-500 does not need any "burn in" time.



73
Bob, K4TAX



----- Original Message ----- From: "Rodney" <w3krq@dejazzd.com> To: <wb5jnc@centurytel.net>; "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Sunday, August 03, 2014 8:10 PM
Subject: Re: [TenTec] OT: Need advice checking out a stored 3-500


put it in your amp only turn on the filament and let it run for 5 or 6 hours until you turn on plate voltage. I know a ham that had 34 304tl tubes and that what he did.
y
-----Original Message----- From: Al Gulseth
Sent: Sunday, August 03, 2014 8:41 PM
To: TenTec@contesting.com
Subject: [TenTec] OT: Need advice checking out a stored 3-500

(Posting this for a local fellow ham who currently isn't on the web)

As the subject line says, a local ham friend of mine asked me today about how to go about checking out/waking up a 3-500 (Z?) that came as a spare with his AL-80A when he bought it a few years back. He's not really sure how long the
tube had been sitting around unused/un-exercised before he bought the amp.
I've seen conflicting info on how to go about it, and the last time I had my hands on something like that was 30+ years ago when I worked in the broadcast industry before I switched to a different career. Any suggestions? Other than
his amp I don't have any way that I know of to check it.

Contact me off list if appropriate.

BTW Ten-Tec connection: he's driving it with an Orion.

TNX/73, Al
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