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Total 7 documents matching your query.

1. [TenTec] Ten-Tec 811A or 572B amplifiers? (score: 1): Author: Ken Brown <ken.d.brown@verizon.net>; Date: Sat, 10 Dec 2005 13:34:51 -1000; Looking at the Unofficial and official Ten-Tec web sites, I see only one amplifier by Ten-Tec that uses 811A tubes. This is the Centaur 411 which uses three 811As. Has Ten-Tec never made an amplifer; /archives//html/TenTec/2005-12/msg00234.html (7,280 bytes)
2. Re: [TenTec] Ten-Tec 811A or 572B amplifiers? (score: 1): Author: "Ron Zond" <k3miy@csonline.net>; Date: Sat, 10 Dec 2005 18:43:58 -0500; Ken 811A can directly replace 572 B. Go to RF Parts website for info. Note the comparison of Svetlana and Taylor. Ron K3MIY Looking at the Unofficial and official Ten-Tec web sites, I see only one am; /archives//html/TenTec/2005-12/msg00235.html (7,665 bytes)
3. Re: [TenTec] Ten-Tec 811A or 572B amplifiers? (score: 1): Author: Robert & Linda McGraw K4TAX <RMcGraw@Blomand.Net>; Date: Sat, 10 Dec 2005 17:43:52 -0600; As to using 572B's in the Centaur 411, there is no advantage unless the power supply is adequately beefed up to take advantage of the increased dissipation and thus higher output rating. 73 Bob, K4TA; /archives//html/TenTec/2005-12/msg00236.html (8,601 bytes)
4. Re: [TenTec] Ten-Tec 811A or 572B amplifiers? (score: 1): Author: "Edward A. Feustel" <efeustel@direcway.com>; Date: Sat, 10 Dec 2005 19:52:57 -0500; Ken, I have 3 in my Centaur. They allow slightly higher grid current. So you might not have to watch the grid drive as carefully. They have slightly higher plate dissipation. Ed, N5EI _______________; /archives//html/TenTec/2005-12/msg00237.html (7,153 bytes)
5. Re: [TenTec] Ten-Tec 811A or 572B amplifiers? (score: 1): Author: Gary Tuck <garyltuck@comcast.net>; Date: Sat, 10 Dec 2005 16:36:54 -0800; I'm using 572B's in the Centaur 411. They are a direct replacement for the 811A's. No additional power out but much hardier tubes. Gary W7TEA _______________________________________________ TenTec ma; /archives//html/TenTec/2005-12/msg00240.html (7,737 bytes)
6. Re: [TenTec] Ten-Tec 811A or 572B amplifiers? (score: 1): Author: CATFISHTWO@aol.com; Date: Sat, 10 Dec 2005 20:19:36 EST; the 572 is pretty much a drop in replacement for a 811, BUT you can buy 3 brand new 811's at ameritron, for about $50 or buy 1 572 for $60. most rigs can not use the extra "room " available in the 57; /archives//html/TenTec/2005-12/msg00241.html (8,825 bytes)
7. Re: [TenTec] Ten-Tec 811A or 572B amplifiers? (score: 1): Author: Kc9cdt@aol.com; Date: Sun, 11 Dec 2005 09:34:55 EST; The advantage is the 572-B is more rugged, the Centaur and Collins 30L-1 are running those 811A's pretty hard, they get pretty hot. Many have replaced the 811A's with 572B's and been happy about the; /archives//html/TenTec/2005-12/msg00258.html (8,003 bytes)

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