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1. [TenTec] CENTURION 422 (score: 1): Author: sp3bq" <sp3bq@wp.pl (sp3bq); Date: Sat, 23 Jun 2001 22:06:16 +0200; WTB: Ten-Tec CENTURION model 422 or 422E I AM LOOKING FOR A REASONABLY PRICED TEN-TEC CENTURION WITH OR WITHOUT = TUBES. WILLING TO BUY AMPLIFIER NEEDING REPAIR OR WITH DAMAGE. FRONT PANEL SHOULD BE; /archives//html/TenTec/2001-06/msg00216.html (6,687 bytes)
2. [TenTec] Centurion 422 (score: 1): Author: KD7EFQ@aol.com; Date: Sat, 29 Nov 2003 21:35:21 EST; Hello, I ran one for a short while and loved it, The only reason I sold mine is that I always wanted a Titan 425 to "stroke my ego", and couldn't afford both. As far as Pete's remarks, I agree except; /archives//html/TenTec/2003-11/msg00816.html (7,381 bytes)
3. [TenTec] Centurion 422 (score: 1): Author: <w7ju@cox.net>; Date: Wed, 15 Dec 2010 17:45:55 -0500; I had a 3 500Z Gas and blow a line fuse. Replaced the one tube. On turn on in standby plate voltage is 3100 but show .2 ma plate current. Suggestions? Thanks Ralph W7JU ______________________________; /archives//html/TenTec/2010-12/msg00349.html (6,471 bytes)
4. Re: [TenTec] Centurion 422 (score: 1): Author: pfizenmayer <pfizenmayer2@q.com>; Date: Wed, 15 Dec 2010 16:20:14 -0700; If you mean 200 ma not 0.2 ma - very likely a blown transistor in the 81537 FILAMENT_AC board which has the bias regulator transistors and zener on it . Used to be a 2N3055 and a MPSU101 - and 8.2 v; /archives//html/TenTec/2010-12/msg00350.html (8,218 bytes)
5. Re: [TenTec] Centurion 422 (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Wed, 15 Dec 2010 18:13:18 -0600; Most meter coils drop less than 0.1 volt so 3.3 volt zener's aren't much protection. Better to use 1N4001 single junction silicon diodes, two in parallel opposite polarity. They won't leak any curren; /archives//html/TenTec/2010-12/msg00352.html (9,262 bytes)
6. Re: [TenTec] Centurion 422 (score: 1): Author: pfizenmayer <pfizenmayer2@q.com>; Date: Wed, 15 Dec 2010 18:27:18 -0700; Nope - the meters drop 2.38 volts at 1 ma - 2380 ohms and are fed from fairly large series resistors so the 3.3 volt zeners are fine - in addition the forward diode tends to damp the meters some as t; /archives//html/TenTec/2010-12/msg00353.html (9,656 bytes)
7. Re: [TenTec] Centurion 422 (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Wed, 15 Dec 2010 20:13:15 -0600; I can't tell from the downloadable manual, but all my life 1 ma meters have been more like 50 ohms if quality meters. 3.3 volt zeners may induce some modification of the meter reading because they te; /archives//html/TenTec/2010-12/msg00355.html (8,678 bytes)
8. Re: [TenTec] Centurion 422 (score: 1): Author: pfizenmayer <pfizenmayer2@q.com>; Date: Wed, 15 Dec 2010 20:40:21 -0700; I replaced two sets of meters and they have all been around 2400 ohms and 1 ma full scale. at full scale its 2.3 to 2.4 volts - I have seen no issue whatever with the zeners. One could use 3.9 or 4.3; /archives//html/TenTec/2010-12/msg00358.html (9,868 bytes)
9. [TenTec] CENTURION 422 (score: 1): Author: "Rodney" <w3krq@dejazzd.com>; Date: Tue, 9 Sep 2014 17:14:36 -0400; FOR SALE A TEN TEC CENTURION 422 IN GREAT WORKING ORDER LOOKS LIKE NEW, I CHANGE THE PANELS TO NEW BLACK PANELS FROM TEN TEC _______________________________________________ TenTec mailing list TenTec; /archives//html/TenTec/2014-09/msg00103.html (6,436 bytes)

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