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Total 11 documents matching your query.

1. [AMPS] 3-600z on the way (score: 1): Author: mays@indigo.ucdavis.edu (Skip); Date: Thu, 5 Jun 1997 13:35:50 -0700 (PDT); Information for future reference... -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@con; /archives//html/Amps/1997-06/msg00027.html (8,112 bytes)
2. [AMPS] 3-600z on the way (score: 1): Author: wa2moe@doitnow.com (wa2moe); Date: Thu, 05 Jun 1997 13:44:27 -0700; -- does anyone care to venture an opinion as to whether these tubes will be compatible, with no modifications, with amplifiers using 3-500Z's such as the 220, the L-4 series and the 922? -- FAQ on WW; /archives//html/Amps/1997-06/msg00028.html (8,134 bytes)
3. [AMPS] 3-600z on the way (score: 1): Author: measures@vc.net (Rich Measures); Date: Thu, 5 Jun 97 15:08:50 -0700; The Mu of the Svetlana tube is higher than the SB-220's original Eimac tube. I would expect that the SB-220's zener will need to shorted to increase the ZSAC to the needed minimum of 75 mA per anode; /archives//html/Amps/1997-06/msg00035.html (8,893 bytes)
4. [AMPS] 3-600z on the way (score: 1): Author: wa2moe@doitnow.com (wa2moe); Date: Thu, 05 Jun 1997 16:51:24 -0700; Rich...I'm running an L-4B bought in 1978 with the original tubes. If I chaange to the 3-600's I assume I'll get a bit more output. My question is, will I have to do anything to the Drake. There are; /archives//html/Amps/1997-06/msg00036.html (8,664 bytes)
5. [AMPS] 3-600z on the way (score: 1): Author: measures@vc.net (Rich Measures); Date: Thu, 5 Jun 97 19:02:17 -0700; No. RF output is directly related to emission, not dissipation. It is a virtual certainty that the 3-600z uses the same filament/cathode as the 3-500z which uses the same filament/cathode as the 3-4; /archives//html/Amps/1997-06/msg00038.html (9,170 bytes)
6. [AMPS] 3-600z on the way (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Fri, 6 Jun 1997 08:57:03 +0000; There are a few incorrect statements here..... Being involved with Heath, and reviewing the design of the 220, I can assure you the air supply of the SB-220 is not "over-supply". The SB-220 was desig; /archives//html/Amps/1997-06/msg00045.html (10,311 bytes)
7. [AMPS] 3-600z on the way (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 06 Jun 1997 10:21:06 EDT; While the SB-220 has sufficient air for Tantalum plate tubes, it is marginal for Graphite. The problem is compounded by age as the original fan slows down. I heartily recommend Harbach Electronics hi; /archives//html/Amps/1997-06/msg00050.html (9,203 bytes)
8. [AMPS] 3-600z on the way (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 6 Jun 97 09:46:07 -0700; Involved? As I understand it, Mr. Rauch had nothing to do with the design of the Heath SB-220. Is Mr. Rauch telling it like it is, or just blowing smoke? To check out Mr. Rauch's statement, take a l; /archives//html/Amps/1997-06/msg00056.html (9,595 bytes)
9. [AMPS] 3-600z on the way (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 6 Jun 97 09:46:09 -0700; ...snip... Why is a graphite anode cooler more adept at heating the glass than a metal anode cooler, Carl?. What is the diameter of the Harbach replacement fan blade? thanks Rich-- R. L. Measures, 8; /archives//html/Amps/1997-06/msg00058.html (8,072 bytes)
10. [AMPS] 3-600z on the way (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 06 Jun 1997 15:58:28 EDT; The graphite tube conducts less heat away from the cooler and thru the glass at any given instant Rich compared to Tantalum....correct me if I am wrong. The Graphite retains the heat and very slowly; /archives//html/Amps/1997-06/msg00067.html (8,922 bytes)
11. [AMPS] 3-600z on the way (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Sat, 7 Jun 1997 00:14:17 +0000; Heat energy is the same in steady operation. The graphite is slower to heat, but gets just as hot. The Graphite retains the heat and very slowly releases it thru That is exactly correct. The graphite; /archives//html/Amps/1997-06/msg00078.html (8,600 bytes)

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