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1. [Amps] TenTec Titan 425 (score: 1): Author: jljarvis@abs.adelphia.net (jljarvis); Date: Fri, 8 Mar 2002 07:09:55 -0500; Anybody have experience with ALC and the grid control board in this amp? ALC levels seem to be different for each band, making use of ALC as a protective control device useless. In contest situation,; /archives//html/Amps/2002-03/msg00155.html (7,656 bytes)
2. [Amps] TenTec Titan 425 (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Fri, 8 Mar 2002 07:50:02 -0500; Jim, I recall the same results, the ALC was quite inconsistent from band-to-band. There's a mod in QST June 1993 page 74 that will lock out the Titan on a grid overcurrent. I used to haul my Titan to; /archives//html/Amps/2002-03/msg00157.html (8,830 bytes)
3. [Amps] TenTec Titan 425 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Fri, 8 Mar 2002 08:40:55 -0800; ? A work-around is to set the transceiver's power output control so that the 600mA per tube current rating is not exceeded for the band in use. ? The 425 I worked on exhibited - with a Funderberg hi; /archives//html/Amps/2002-03/msg00168.html (9,479 bytes)
4. [Amps] TenTec Titan 425 (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Fri, 8 Mar 2002 17:47:19 -0000; --Original Message-- From: Richard <2@mail.vcnet.com> To: jljarvis <jljarvis@abs.adelphia.net>; AMPS <amps@contesting.com> To: <amps@contesting.com> Date: 08 March 2002 16:52 Subject: Re: [Amps] TenT; /archives//html/Amps/2002-03/msg00173.html (8,194 bytes)
5. [Amps] TenTec Titan 425 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Fri, 8 Mar 2002 10:27:33 -0800; To: <amps@contesting.com> ? agreed ? The whatever on the anode is 8kV positive or negative. This is apparently sufficient to attract or repell the negatively charged gold melt-balls - and change cur; /archives//html/Amps/2002-03/msg00182.html (8,979 bytes)
6. [Amps] TenTec Titan 425 (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Fri, 8 Mar 2002 21:39:21 -0000; To: <amps@contesting.com> melt ? agreed ? The whatever on the anode is 8kV positive or negative. This is apparently sufficient to attract or repell the negatively charged gold melt-balls - and change; /archives//html/Amps/2002-03/msg00191.html (9,328 bytes)
7. [Amps] TenTec Titan 425 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Fri, 8 Mar 2002 15:08:17 -0800; The grid is at 0v. The anode is at +8kV. The meltballs go to the anode. When the polarity is reversed, the meltballs seemingly head toward the base because current decreases. cheerz, Steve - R. L. M; /archives//html/Amps/2002-03/msg00196.html (8,658 bytes)
8. [Amps] TenTec Titan 425 (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Sat, 9 Mar 2002 07:35:45 -0000; on The grid is at 0v. The anode is at +8kV. The meltballs go to the anode. When the polarity is reversed, the meltballs seemingly head toward the base because current decreases. -- Attribution failur; /archives//html/Amps/2002-03/msg00200.html (9,072 bytes)
9. [Amps] TenTec Titan 425 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sat, 9 Mar 2002 07:02:50 -0800; To: <amps@contesting.com> ? RR ? With pos. 5kV on the anode, some of the meltballs apparently stick to the anode insulator where they form a leakage path. With neg 5kV on the anode, thanks to like c; /archives//html/Amps/2002-03/msg00201.html (10,572 bytes)
10. [Amps] TenTec Titan 425 (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Sun, 10 Mar 2002 08:02:16 -0000; To: <amps@contesting.com> ? RR ? With pos. 5kV on the anode, some of the meltballs apparently stick to the anode insulator where they form a leakage path. With neg 5kV on the anode, thanks to like ch; /archives//html/Amps/2002-03/msg00206.html (10,414 bytes)
11. [Amps] TenTec Titan 425 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sun, 10 Mar 2002 05:03:30 -0800; To: <amps@contesting.com> ... ... ... ? My guess is that gold plating is used to reduce primary electron emission from the grid because the gold atom's outer electron shell is full. Thus, it does no; /archives//html/Amps/2002-03/msg00208.html (9,460 bytes)
12. [Amps] TenTec Titan 425 (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Mon, 11 Mar 2002 09:25:48 -0000; To: <amps@contesting.com> ... ... ... ? My guess is that gold plating is used to reduce primary electron emission from the grid because the gold atom's outer electron shell is full. Thus, it does not; /archives//html/Amps/2002-03/msg00225.html (9,425 bytes)
13. [Amps] TenTec Titan 425 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 11 Mar 2002 05:58:42 -0800; To: <amps@contesting.com> To: <amps@contesting.com> ? Gold atoms seem to act like bits of paper when they are brought near an electrostatically charged plastic rod. Maybe it's esoteric science? The; /archives//html/Amps/2002-03/msg00229.html (10,233 bytes)
14. [Amps] TenTec Titan 425 (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Mon, 11 Mar 2002 14:50:48 -0000; To: <amps@contesting.com> an electrostatically charged plastic rod. Maybe it's esoteric science? -- Maybe. I hate puzzles where I think I should be able to get to an answer. I keep distracting myself; /archives//html/Amps/2002-03/msg00231.html (8,701 bytes)
15. [Amps] TenTec Titan 425 (score: 1): Author: W4EF@dellroy.com (Mike); Date: Mon, 11 Mar 2002 07:01:23 -0800; Dude, gold is a good conductor. The reason it is a good conductor is that there is a single electron in the outer shell which is relatively free to move about under the influence of an electric field; /archives//html/Amps/2002-03/msg00233.html (9,104 bytes)
16. [Amps] TenTec Titan 425 (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Mon, 11 Mar 2002 11:59:55 -0500; Mike is right in that gold has one electron in its outer shell, but relating this to high conductivity is an oversimplification. Lithium, sodium and potassium all have one electron in their outer she; /archives//html/Amps/2002-03/msg00243.html (9,353 bytes)
17. [Amps] TenTec Titan 425 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 11 Mar 2002 14:08:41 -0800; ? Correct. Sorry for the technoblather. ? me too. tnx, Mike - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-03/msg00247.html (7,955 bytes)
18. [Amps] TenTec Titan 425 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 11 Mar 2002 15:47:57 -0800; tnx for the Chemistry 101 lesson, Bert - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-03/msg00248.html (9,098 bytes)
19. [Amps] TenTec Titan 425 (score: 1): Author: "David J Windisch" <davidjw@cinci.rr.com>; Date: Sun, 1 Jun 2008 05:54:49 -0400; Hi, all concerned: I have 2 instances of this good amp and power supply. One has the SBY/OPR and VOLTAGE LO/HI switches above the POWER switch, and the other, more convenient to operate, has the STAN; /archives//html/Amps/2008-06/msg00000.html (6,575 bytes)
20. Re: [Amps] TenTec Titan 425 (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Sun, 01 Jun 2008 10:12:49 -0700; See my attempt to combine the schematics into a more coherent form. No guarantees about accuracy, but several dozen sets of eyes have reviewed them, and I've made a few corrections. As near as I can; /archives//html/Amps/2008-06/msg00003.html (7,750 bytes)

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