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1. [Amps] SB-220 6 meter input network (score: 1): Author: Steve London <n2icarrl@gmail.com>; Date: Tue, 07 Jul 2015 07:21:14 -0600; I am converting a previously-modified SB-220 to a 6 meter-only amp. The original input pi-network is long gone. Most of the articles on conversion say stuff like "remove N turns from the original 10; /archives//html/Amps/2015-07/msg00016.html (6,743 bytes)
2. Re: [Amps] SB-220 6 meter input network (score: 1): Author: Paul Baldock <paul@paulbaldock.com>; Date: Tue, 07 Jul 2015 08:51:19 -0700; I used a 6" piece of home made 30Ohm coax from the tubes to the matching network. The pi network was 100pF trimmer on the input side, a 40pF trimmer on the output side and an aprox .16uH coil. - Paul; /archives//html/Amps/2015-07/msg00017.html (7,741 bytes)

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