- 1. [Amps] 572B tubes replacements for 811A's (score: 251)
- Author: zs6arf at telkomsa.net (Wynand)
- Date: Sat Apr 5 07:02:07 2003
- I read in the forum about replacing 811a's with 572B's as a direct drop in replacement. Can it really be that simple. I have a Ameritron with three 811a's in it. Can I just swop the 811a's for 572B's
- /archives//html/Amps/2003-04/msg00034.html (6,603 bytes)
- 2. [Amps] Tuned Input for classic grounded grid with two 4-250's (score: 251)
- Author: zs6arf at telkomsa.net (WFVW)
- Date: Sat Mar 15 10:22:00 2003
- Greetings, I am busy building a classic grounded grid amp with two 4-250 tubes. I would like to have a tuned input. I do not intend to cover the WARC bands with the amp as yet. I have two choices: (1
- /archives//html/Amps/2003-03/msg00579.html (6,857 bytes)
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