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Total 27 documents matching your query.

1. [TenTec] Hercules II Power Source (score: 1): Author: w5ben@arrl.net (Duane Budd); Date: Sat, 1 Jan 2000 07:56:57 -0500; What does your 9420 output voltage measure under full 600-watt r.f. out from the Herc? 73, Budd, W5BEN w5ben@arrl.net Johnson City, in northeast TN --Original Message-- From: owner-tentec@contesting.; /archives//html/TenTec/2000-01/msg00005.html (8,577 bytes)
2. [TenTec] Hercules II Power Source (score: 1): Author: patents@dx0man.prestel.co.uk (John - G3JAG); Date: Sat, 01 Jan 2000 13:57:18 -0000 (GMT); I carefully set the 9420 internal regulators to 14.00v with a digital meter. TT say to set them all exactly at 14v, within 0.1 volt. I reckon the actual voltage in my Herc II under full load is not m; /archives//html/TenTec/2000-01/msg00006.html (11,129 bytes)
3. [TenTec] Hercules II Power Source (score: 1): Author: alwilliams@olywa.net (Al Williams); Date: Sat, 1 Jan 2000 10:32:50 -0800; For the first time since my Argonaut 505 days, I have been thinking about adding an amplifier-- to my Omni6+. What benefits derive from purchasing the Hercules over Ameritrons far cheaper 500w 12v al; /archives//html/TenTec/2000-01/msg00012.html (13,308 bytes)
4. [TenTec] Hercules II Power Source (score: 1): Author: n4lq@iglou.com (Steve Ellington N4LQ); Date: Sat, 1 Jan 2000 15:45:26 -0500; The only differences I can see are QSK, automatic bandswitching and a built in speaker. But then there's the "Legendary" MFJ quality to deal with. Steve N4LQ -- Original Message -- From: "Al Williams; /archives//html/TenTec/2000-01/msg00015.html (15,179 bytes)
5. [TenTec] Hercules II Power Source (score: 1): Author: k7kj@teleport.com (Greg Hodsdon); Date: Sat, 01 Jan 2000 13:00:30 -0800; Al: Can't really comment on this question as I do not have any experience with the Ameritron solid state amp or the company. Does the Ameritron amp have QSK, plug-in auto bandswitch capability and wi; /archives//html/TenTec/2000-01/msg00016.html (8,368 bytes)
6. [TenTec] Hercules II Power Source (score: 1): Author: k7kj@teleport.com (Greg Hodsdon); Date: Sat, 01 Jan 2000 14:03:25 -0800; Hi Jim: I would expect a big difference in the performance of the Hercules amp going from a 12vdc buss to a 14vdc buss. That's about a 15% or so change in voltage. I suspect that much of the differen; /archives//html/TenTec/2000-01/msg00020.html (10,803 bytes)
7. [TenTec] Hercules II Power Source (score: 1): Author: kh7m@hsa-kauai.net (Jim Reid); Date: Sat, 1 Jan 2000 13:40:23 -1000; " I would expect a big difference in the performance of the Hercules amp going from a 12vdc buss to a 14vdc buss. That's about a 15% or so change in voltage. I suspect that much of the difference in; /archives//html/TenTec/2000-01/msg00022.html (8,709 bytes)
8. [TenTec] Hercules II Power Source (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sat, 01 Jan 2000 19:36:36 -0600; The proportional difference is greater because the saturation voltage of the PA transistors is probably 2.5 volts. That reduces the swing available. So the swing with 14 supply is only 10.5. With 12; /archives//html/TenTec/2000-01/msg00029.html (8,441 bytes)
9. [TenTec] Hercules II Power Source (score: 1): Author: kh7m@hsa-kauai.net (Jim Reid); Date: Sat, 25 Dec 1999 13:27:55 -1000; Hi, Ten Tec advises of an alternative to the expensive 100 amp supply for the Herc. amp: "Heavy duty, deep cycle lead-acid battery and an automatic 10 amp charger". What should the battery rating be;; /archives//html/TenTec/1999-12/msg00486.html (9,170 bytes)
10. [TenTec] Hercules II Power Source (score: 1): Author: n4lq@iglou.com (Steve Ellington N4LQ); Date: Sat, 25 Dec 1999 18:48:12 -0500; Hi Jim: TenTec is referring to "deep cycle marine batteries". These can bought at Wal-Mart. Personally, if you don't want to invest in the power supply, I would recommend a tube type amplifier such a; /archives//html/TenTec/1999-12/msg00487.html (10,922 bytes)
11. [TenTec] Hercules II Power Source (score: 1): Author: N4NT@wireco.net (Michael O. Hyder); Date: Sat, 25 Dec 1999 20:25:51 -0500; All I know about this is that having a charger across a big battery has never put hum on my signal running just a transceiver. Wal-Mart's SAM's club here used to sell a fine marine battery. It was al; /archives//html/TenTec/1999-12/msg00490.html (11,440 bytes)
12. [TenTec] Hercules II Power Source (score: 1): Author: kh7m@hsa-kauai.net (Jim Reid); Date: Sat, 25 Dec 1999 15:47:44 -1000; Aloha Mike, And thanks for your note. Well, what does Ten Tec mean by an "automatic charger"? I would assume that means it cuts "off" when some voltage level is reached, maybe the 12.8 v full charge; /archives//html/TenTec/1999-12/msg00491.html (9,720 bytes)
13. [TenTec] Hercules II Power Source (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sat, 25 Dec 1999 20:07:56 -0600; The battery will supply very large current peaks and act to smooth the supply. Amplifier output will depend a lot on voltage. A tenth volt change will have a large effect on the output power. I think; /archives//html/TenTec/1999-12/msg00493.html (9,819 bytes)
14. [TenTec] Hercules II Power Source (score: 1): Author: kh7m@hsa-kauai.net (Jim Reid); Date: Sat, 25 Dec 1999 17:14:37 -1000; Aloha Jerry, you wrote, in part: Then I take this to mean that I should also run the Astron supply in parallel with the battery. It will be supplying a potential of 13+ volts, while the battery will; /archives//html/TenTec/1999-12/msg00496.html (10,892 bytes)
15. [TenTec] Hercules II Power Source (score: 1): Author: k1ky@bellsouth.net (Tom Delker); Date: Sat, 25 Dec 1999 21:40:54 -0600; Hi Jim, Regarding the Astron across the batts, you run a few risks here: 1. Should the crowbar in the power supply engage, you will backfeed the power supply with the massive amount of current delive; /archives//html/TenTec/1999-12/msg00497.html (10,115 bytes)
16. [TenTec] Hercules II Power Source (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sat, 25 Dec 1999 22:34:06 -0600; That 10% limit applies to gel cells only as far as I know. Wet cells will accept and deliver bigger currents. The electrolyte doesn't circulate to accept charge rapidly in the gel cell, that's a limi; /archives//html/TenTec/1999-12/msg00499.html (11,767 bytes)
17. [TenTec] Hercules II Power Source (score: 1): Author: seweber@netnitco.net (seweber@netnitco.net); Date: Sun, 26 Dec 1999 08:32:15 -0600; Jim and the list, The replies that have been posted to the list about heavy duty battery power supplies and chargers have been very interesting. Might I suggest that you also give the gents at TenTec; /archives//html/TenTec/1999-12/msg00503.html (9,045 bytes)
18. [TenTec] Hercules II Power Source (score: 1): Author: rudder@gulfcoast.net (M. Clark); Date: Sun, 26 Dec 1999 10:21:36 -0500; [Snip] Some points: You do not want an automotive battery for your application. Auto batteries are optimized for starting (occasional very heavy current draw for very brief periods). Deep cycle batte; /archives//html/TenTec/1999-12/msg00506.html (12,885 bytes)
19. [TenTec] Hercules II Power Source (score: 1): Author: rudder@gulfcoast.net (M. Clark); Date: Sun, 26 Dec 1999 11:04:56 -0500; I posted the other message before reading all the posts. The gentleman who said that an isolation diode is required is absolutely correct. If there is not one built into the supply, it must be added; /archives//html/TenTec/1999-12/msg00509.html (10,627 bytes)
20. [TenTec] Hercules II Power Source (score: 1): Author: aa8ve@juno.com (JEFF S JOHNSON); Date: Sun, 26 Dec 1999 12:03:19 -0500; Steve, If your secondary positions are any distance you'll need *very large* conductors. The voltage drop at 14 volts DC over a long distance is a real problem. Without getting the books out I don't; /archives//html/TenTec/1999-12/msg00515.html (10,982 bytes)

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