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Total 3 documents matching your query.

1. [Amps] AL 1200 (score: 1): Author: Dxhogg@aol.com; Date: Mon, 26 Jun 2006 06:53:21 EDT; I have a new al 1200 that I will be putting in line Wednesday . Should I run the tube in a burn in state before applying any drive power. Thanks for any input 73 ray nr1r ____________________________; /archives//html/Amps/2006-06/msg00422.html (6,007 bytes)
2. Re: [Amps] AL 1200 (score: 1): Author: Gudguyham@aol.com; Date: Mon, 26 Jun 2006 07:53:58 EDT; I have a new al 1200 that I will be putting in line Wednesday . Should I run the tube in a burn in state before applying any drive power. Thanks for any input 73 ray nr1r Ray, What does the manual sa; /archives//html/Amps/2006-06/msg00423.html (6,569 bytes)
3. Re: [Amps] AL 1200 (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Mon, 26 Jun 2006 08:14:05 -0400; Ray, As I recall the AL-1200's 3CX1200A7 uses a directly-heated cathode. If so, you may want to run the filament for 30-minutes without any RF excitation at the time of first activation. I am not su; /archives//html/Amps/2006-06/msg00426.html (8,097 bytes)

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