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Total 2 documents matching your query.

1. [Amps] TL922-one tube dead? (score: 1)
Author: "Andy Diethard Hansen" <HB9CVQ@hispeed.ch>
Date: Sun, 10 Dec 2006 00:35:00 +0100
Hi Group, My modified TL-922 (230V/50Hz) created some humming noise in the past month (may be filament transformer-somehow remaining after PA switched off) before going to half power after 15 years,
/archives//html/Amps/2006-12/msg00053.html (7,191 bytes)

2. [Amps] AL-1200, Band Switch (score: 1)
Author: "Andy Diethard Hansen" <HB9CVQ@hispeed.ch>
Date: Tue, 12 Dec 2006 11:58:17 +0100
Hi All, Symptom: The band switch (mainly) in the 15/17 m position shows again bad contact. 150mA grid drive create 500W or 1000W (ok) out on 17m, depending on direction of switching/rotation (up to d
/archives//html/Amps/2006-12/msg00079.html (6,755 bytes)

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