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1. [Amps] Advice (score: 1): Author: "Phil LaMarche" <plamarc1@verizon.net>; Date: Wed, 02 Dec 2009 10:33:14 -0500; I have an LK 450 Amp Supply amplifier with vacuum relays etc that I'm considering the conversion to 6 meters. Want to hear from you if this is the way to go or should it be another model for conversi; /archives//html/Amps/2009-12/msg00032.html (7,180 bytes)
2. Re: [Amps] Advice (score: 1): Author: n8de@thepoint.net; Date: Wed, 02 Dec 2009 10:47:22 -0500; Save money and time. Sell the LK and buy a ready-made SB200 conversion from one of the experts who do that. W1QJ is one of those guys. Standard disclaimer .. good guy to do business with from a satis; /archives//html/Amps/2009-12/msg00033.html (7,708 bytes)
3. Re: [Amps] Advice (score: 1): Author: RICHARD SOLOMON <w1ksz@q.com>; Date: Wed, 2 Dec 2009 16:47:22 +0000; Some years ago I had an LK-450, nice amp. I would not hesitate to convert it to 6 Meters. After all, you are stripping out all the RF parts and only using the chassis, socket and power supplies. The; /archives//html/Amps/2009-12/msg00034.html (8,184 bytes)
4. Re: [Amps] Advice (score: 1): Author: Gudguyham@aol.com; Date: Wed, 2 Dec 2009 18:23:32 EST; There is a construction article in the West Coast Handbook that uses a single 3-400 that you could use as a guide. _______________________________________________ Amps mailing list Amps@contesting.co; /archives//html/Amps/2009-12/msg00050.html (7,023 bytes)
5. Re: [Amps] Advice (score: 1): Author: Gudguyham@aol.com; Date: Wed, 2 Dec 2009 18:24:49 EST; Save money and time. Sell the LK and buy a ready-made SB200 conversion from one of the experts who do that. W1QJ is one of those guys. Standard disclaimer .. good guy to do business with from a satis; /archives//html/Amps/2009-12/msg00051.html (8,572 bytes)
6. Re: [Amps] Advice (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 2 Dec 2009 19:56:39 -0500; Is a 1-2dB increase worth it? The LK-450 is built rugged and is a good platform. Since Ive converted over 200 SB-220's to 6M Ive got no complaints there but its easy availability is why it is so popu; /archives//html/Amps/2009-12/msg00054.html (10,347 bytes)
7. Re: [Amps] Advice (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Wed, 02 Dec 2009 20:52:53 -0500; "To me" chasing DX, working Aurora, or contests, every db counts.<:-)) Although the 3-500's and 572Bs are considered poor tubes for VHF due to the long internal leads, they work quite well in a prope; /archives//html/Amps/2009-12/msg00057.html (11,261 bytes)
8. Re: [Amps] Advice (score: 1): Author: RICHARD SOLOMON <w1ksz@q.com>; Date: Thu, 3 Dec 2009 01:58:02 +0000; Kind of a blanket condemnation without any specifics to justify your "opinion". Care to elaborate or is it just an "East Coast - West Coast" thing ?? 73, Dick, W1KSZ BARF In a message dated 12/2/2009; /archives//html/Amps/2009-12/msg00058.html (7,917 bytes)
9. Re: [Amps] Advice (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 2 Dec 2009 21:17:33 -0500; To the obsessive I agree and I fit that description on 160M and VHF and up. However many dont get that involved and run 1" hardline, buy a hilltop, erect big towers and antennas, etc, etc (-; The 3-5; /archives//html/Amps/2009-12/msg00059.html (13,625 bytes)
10. Re: [Amps] Advice (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Wed, 02 Dec 2009 19:01:56 -0800; ORIGINAL MESSAGE: REPLY: May I ask a question? When you convert them, do you replace the tune and load caps or do you do the L-netwrok trick? Just curious. 73, Bill W6WRT ____________________________; /archives//html/Amps/2009-12/msg00061.html (8,275 bytes)
11. Re: [Amps] Advice (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Wed, 02 Dec 2009 19:03:34 -0800; ORIGINAL MESSAGE: REPLY: Agreed. Every long time DXer will tell you stories where he either made or missed a QSO by one dB. 73, Bill W6WRT _______________________________________________ Amps mailing; /archives//html/Amps/2009-12/msg00062.html (8,427 bytes)
12. Re: [Amps] Advice (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Wed, 02 Dec 2009 22:13:02 -0500; Agreed, but what's wrong with 2 8877's? They should last forever at 1500 out in that 6 n' 2 amp in the handbook. <:-)) True, they're not cheap, but if you want the best...Tubes should always be used; /archives//html/Amps/2009-12/msg00063.html (16,141 bytes)
13. Re: [Amps] Advice (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 2 Dec 2009 22:14:38 -0500; I use a regular pi net with new caps. Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2009-12/msg00064.html (8,763 bytes)
14. Re: [Amps] Advice (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Wed, 02 Dec 2009 22:15:44 -0500; Or chasing contacts on Aurora where the signals are nothing more than a change in the sound of the background noise 73, Roger (K8RI) _______________________________________________ Amps mailing list; /archives//html/Amps/2009-12/msg00065.html (8,943 bytes)
15. Re: [Amps] Advice (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Thu, 03 Dec 2009 13:21:02 -0800; ORIGINAL MESSAGE: REPLY: First time I've ever heard "tubes should be used as a pair". I have heard the opposite: "If you need more power, don't use two tubes, get a bigger tube". Care to elaborate? 7; /archives//html/Amps/2009-12/msg00088.html (8,754 bytes)
16. Re: [Amps] Advice (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 3 Dec 2009 17:22:59 -0500; I believe that goes way back to the "if one is good then 2 must be better phrase" Since a single ended 100TH, for example, couldnt make a KW on CW then using a pair solved the problem. It actually go; /archives//html/Amps/2009-12/msg00095.html (9,747 bytes)
17. Re: [Amps] Advice (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Thu, 03 Dec 2009 17:34:18 -0500; Sure, If one tube can do the job, then two has to do it even better. <:-)) Isn't that the contesters motto? You can go with a single tube, but the "bigger ones" draw tremendous filament power and a p; /archives//html/Amps/2009-12/msg00097.html (8,947 bytes)
18. Re: [Amps] Advice (score: 1): Author: "k7rdx" <k7rdx@charter.net>; Date: Thu, 3 Dec 2009 15:06:28 -0800; A single YC-156 if run at 6kv will make a pair of 8877`s look meek...And that`s with 100 watts drive...The 3CX3000A7 makes good suds too but requires about double the drive of the 156.Only drawbacks; /archives//html/Amps/2009-12/msg00098.html (11,491 bytes)
19. Re: [Amps] Advice (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Thu, 03 Dec 2009 17:39:36 -0800; ORIGINAL MESSAGE: REPLY: You still haven't elaborated. For a given power output, why are two tubes (properly chosen) better than one (properly chosen)? I see several drawbacks and no advantages. 73,; /archives//html/Amps/2009-12/msg00100.html (8,657 bytes)
20. Re: [Amps] Advice (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 3 Dec 2009 21:00:08 -0500; I see the same with 1 tube..... Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2009-12/msg00101.html (9,237 bytes)

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