- 1. [Amps] Modifying Amp Supply LK500ZA (score: 1)
- Author: John King <k5pgw@yahoo.com>
- Date: Tue, 18 Jan 2005 07:08:03 -0800 (PST)
- I have an LK 500ZA with a pair of 3-500s. I would like to rebuild the final tank circuit to make it as a tank circuit should be. Has anyone re designed and rebuilt the LK 500ZA final tank circuit? In
- /archives//html/Amps/2005-01/msg00346.html (7,452 bytes)
- 2. [Amps] Replacing 3-500Z tubes with 4-400A tubes (score: 1)
- Author: John King <k5pgw@yahoo.com>
- Date: Sun, 4 Dec 2011 13:20:38 -0800 (PST)
- I have several very good 4-400 A tubes and have replaced a pair of bad 3-500Z tubes with a pair of 4-400A tubes in a Heath SB 220 amp. I have noticed much lower resting current being drawn when keyed
- /archives//html/Amps/2011-12/msg00031.html (7,329 bytes)
- 3. [Amps] picture of bottom of AT6 input network needed (score: 1)
- Author: John King <k5pgw@yahoo.com>
- Date: Tue, 5 Feb 2013 15:46:10 -0800 (PST)
- Does anyone have a picture of the bottom of the AT6 input network they can share with me? Mine has , what appears to be, an extra wire hanging from the bottom of the PC land on the board. Your assist
- /archives//html/Amps/2013-02/msg00048.html (7,278 bytes)
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