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1. Re: [Amps] Hipersil, the myth and the truth. (Updated) (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Mon, 18 Apr 2005 21:14:01 -0400; Will Matney has exposed the hype about Hipersil. Very well presented Will. Norm N8NH _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/; /archives//html/Amps/2005-04/msg00381.html (16,522 bytes)
2. Re: [Amps] YC-156 (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Mon, 14 Feb 2005 19:31:25 -0500; Charlie, I do not know the history of the YC-130 but the YC-156 ( 3CPX5000A7) is as rugged a tube as you can find. This tube ( a high mu triode) was designed by Eimac for the medical business as the; /archives//html/Amps/2005-02/msg00505.html (8,778 bytes)
3. Re: [Amps] 8877 Test (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Sun, 13 Feb 2005 12:54:39 -0500; Alex, I for one would not want to test your 8877 tubes in my working amp without first having them hi-potted at at least 8kv Norm, N8NH At 06:11 PM 2/13/05 +0800, you wrote: This is directed mainly t; /archives//html/Amps/2005-02/msg00455.html (7,727 bytes)
4. Re: [Amps] YC156 fitting screws (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Tue, 27 Jan 2004 23:41:01 -0500; At 07:33 AM 1/27/04 +0000, you wrote: Neil, The grid ring screws are 10-32 and the filament and cathode screws are 10-24. Use metric screws for the grid ring....just put them through the unthreaded h; /archives//html/Amps/2004-01/msg00312.html (8,497 bytes)
5. Re: [Amps] Homebrew "Hi-Pot" design issues (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Sun, 11 Jan 2004 13:42:12 -0500; AMPS PEOPLE, I built the high pot tester shown on Rich Measures site about four years ago. I used a 7.5 kv neon sign transformer. They are available for under $15 on e-bay and from local neon sign re; /archives//html/Amps/2004-01/msg00125.html (8,772 bytes)
6. Re: [Amps] YC156 Tube Pros & Cons (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Mon, 24 Nov 2003 23:53:58 -0500; Jim, I have sold a lot of these tubes to hams and have not had any "bad" comments HOWEVER, This is not necessarily a tube for the beginner. It likes a pv of > 5kv The tube has a high pout (35pf) so c; /archives//html/Amps/2003-11/msg00352.html (8,985 bytes)
7. Re: [Amps] warm up times of tubes? (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Sun, 23 Nov 2003 13:34:48 -0500; The Eimac spec says 8 min BEFORE applying HV or drive. Therefore thae answer on the YC-156 is NO. Norm N8NH At 10:05 AM 11/23/03 +0000, you wrote: Are warm up times of various tubes set in anyway wit; /archives//html/Amps/2003-11/msg00336.html (8,020 bytes)
8. Re: [Amps] Benefits of 3-phase power? (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Tue, 18 Nov 2003 01:41:41 -0500; Where you going to get 3 phase power.....The power company wont supply 3 phase to residences. Go on commercial rates any you wont want to pay the bill. Norm N8NH At 09:57 AM 11/15/03 -0800, you wrote; /archives//html/Amps/2003-11/msg00238.html (8,967 bytes)
9. [Amps] AMP RATING FOR HEC CERAMIC CAPS (score: 1): Author: Norman Hockler <norsan@bright.net>; Date: Sun, 12 Oct 2003 16:01:42 -0400; Hello Amp builders Looking for the amp rating for HEC HT50 700pf @ 7.5kv. Want to run 2 in parallel for blocking C on single 8877. Cant find data on the Internet. Thanks. Norman N8NH ________________; /archives//html/Amps/2003-10/msg00101.html (6,952 bytes)
10. [Amps] Amps to make (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Mon, 09 Sep 2002 20:20:03 -0400; And as you know Phil, I sell them. Norm N8NH; /archives//html/Amps/2002-09/msg00062.html (7,396 bytes)
11. [Amps] WTB Millen turns counter (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Sat, 27 Jul 2002 16:58:00 -0400; Looking for a Millen Turns Counter. The one I am trying to match has a front face of about 3" wide by 4" high. Anyone got one ??? Norm N8NH; /archives//html/Amps/2002-07/msg00507.html (7,114 bytes)
12. [Amps] BIG Audio Amp. OT. (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Sat, 20 Jul 2002 16:25:29 -0400; Well the Boobs obviously increase the surface area of the speaker. Norm N8NH; /archives//html/Amps/2002-07/msg00365.html (8,427 bytes)
13. [Amps] Nice big Plate transformer fs (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Sat, 20 Jul 2002 13:27:56 -0400; Im willing to bet it does not say 4620KV I will believe it says 4620V Norm N8NH; /archives//html/Amps/2002-07/msg00359.html (10,286 bytes)
14. [Amps] Nice big Plate transformer fs (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Wed, 17 Jul 2002 22:19:22 -0400; Yes... it is 3,465,000 VA. thats 4,620,000 X .75 = VA. That little k in kv is hard to see. Norm N8NH; /archives//html/Amps/2002-07/msg00279.html (8,697 bytes)
15. [Amps] Horizontal 8877 Thanks (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Sat, 13 Jul 2002 17:21:49 -0400; Thanks to all for the answer. Horiz is OK. Norm N8NH; /archives//html/Amps/2002-07/msg00177.html (6,661 bytes)
16. [Amps] Horizontal 8877 (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Sat, 13 Jul 2002 13:22:30 -0400; Amp builders... Is horizontal mounting of the 8877 OK. Cant find a reference about horizontal mounting being acceptable or not. Norm N8NH; /archives//html/Amps/2002-07/msg00172.html (6,604 bytes)
17. [Amps] Tube characterization (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Sat, 06 Jul 2002 11:57:35 -0400; DARN... I need one for a 6146B Norm N8NH; /archives//html/Amps/2002-07/msg00081.html (8,968 bytes)
18. [Amps] Pi tanks vs Pi L + LOW PASS (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Thu, 27 Jun 2002 21:32:51 -0400; Hi All, Wondering about the harmonic attenuation of a Pi L tank vs a standard Pi tank followed by a good quality low pass filter. I am interested in building an amp using a tune and load cap with a g; /archives//html/Amps/2002-06/msg00249.html (7,765 bytes)
19. [Amps] SELLING OUT MY STOCK OF YC-156 (3CPX5000A7) (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Sat, 11 May 2002 13:19:33 -0400; I am selling out my present stock of YC-156 ( 3CPX5000A7). I presently have 15 tubes. I have sold these tubes to many hams for $375 each If you are interested discussing this contact me direct. Deliv; /archives//html/Amps/2002-05/msg00127.html (6,660 bytes)
20. [Amps] Inductance Question (score: 1): Author: norsan@bright.net (Norman Hockler); Date: Mon, 01 Apr 2002 20:39:28 -0500; Do I have to guess at the frequency as well??? Norm N8NH; /archives//html/Amps/2002-04/msg00040.html (7,260 bytes)

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