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1. [Amps] Henry 2003 Filter for 20002A Amp (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Tue, 10 Jul 2007 03:37:35 -0400; I picked up a 2002A 2-meter amp at a local swap and it works well. (Looks good too). It has the optional 3002 filter installed but there is no mention of it in the manual other than a note that its b; /archives//html/Amps/2007-07/msg00137.html (6,568 bytes)
2. Re: [Amps] Henry 2003 Filter for 20002A Amp (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Tue, 10 Jul 2007 10:15:41 -0400; Yes, it measures 10 1/2 X 4 X 2 1/2, the top is perforated metal with a tunable stripline inside. It's bolted to the inside back wall of the amp. Although there is a note in the manual as to the 300; /archives//html/Amps/2007-07/msg00145.html (9,369 bytes)
3. Re: [Amps] Henry 2003 Filter for 20002A Amp (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Tue, 10 Jul 2007 10:30:33 -0400; Thanks, This looks like a simple, inexpensive, and good remedy if needed. 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting; /archives//html/Amps/2007-07/msg00147.html (8,232 bytes)
4. Re: [Amps] Henry 2003 Filter for 20002A Amp (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Tue, 10 Jul 2007 14:58:27 -0400; Thanks for the info. I bought if at a swap.<:-)) Any and alll adjustments that can be made probably were. That's my typing for which I apologize and we all make our own worst proof reader. I have the; /archives//html/Amps/2007-07/msg00167.html (11,080 bytes)
5. Re: [Amps] Henry 2003 Filter for 2002A Amp (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Tue, 10 Jul 2007 15:00:52 -0400; Thanks for the link. they look interesting. I think there is only one home with an outside antenna left in the neighborhood. Unfortunately they are my closest neighbor. _____________________________; /archives//html/Amps/2007-07/msg00168.html (11,967 bytes)
6. Re: [Amps] Clippertion L 572B tubes (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Tue, 10 Jul 2007 22:26:31 -0400; I gotta 6L6 I'll send ya will that help? The full size ones? I need 6 of 'em for my guitar amp. <:-)) I durn near choked when I looked at the price of new ones. 73 Roger (K8RI) --Original Message-- F; /archives//html/Amps/2007-07/msg00183.html (9,305 bytes)
7. Re: [Amps] colling air per minute ?? (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Wed, 11 Jul 2007 03:38:18 -0400; However when cooling tubes you *also* need to know the back pressure at which the fan delivers the rated, or required pressure. Given a tube that might need 15 cfm @ 0.3" of water pressure or one th; /archives//html/Amps/2007-07/msg00185.html (8,388 bytes)
8. Re: [Amps] Henry 2003 Filter for 20002A Amp (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Wed, 11 Jul 2007 03:47:54 -0400; Ah, found another manual that has some info on the FL1. It's strictly a band pass filter with about a 200 to 400 KHz band width. Pretty straight forward tune up with no sweep or scope required. It ha; /archives//html/Amps/2007-07/msg00186.html (13,372 bytes)
9. Re: [Amps] ALPHAs and momentary power outages (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Mon, 16 Jul 2007 12:49:34 -0400; Yes, a proper sized UPS would work, but it has to be capable of supplying the peak AC power to the amp under load if that is when the power is interrupted rather than just the idle power. That means; /archives//html/Amps/2007-07/msg00268.html (8,679 bytes)
10. Re: [Amps] ALPHAs and momentary power outages (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Mon, 16 Jul 2007 15:47:41 -0400; OK, you are talking VA, I was alking watts. If you look at the UPS ratings it will have both with watts usually being half or less than the VA rating and the usual math will not get the equivelant V; /archives//html/Amps/2007-07/msg00277.html (13,450 bytes)
11. Re: [Amps] ALPHAs and momentary power outages (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Mon, 16 Jul 2007 18:43:29 -0400; Tom, you are saying the same thing I did but in more detail and the reeasoning behind it. Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com http://li; /archives//html/Amps/2007-07/msg00281.html (8,750 bytes)
12. Re: [Amps] Power outrages (sic) (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Tue, 17 Jul 2007 23:06:39 -0400; OK...I'm at a loss to the reasoning behind and the meaning of this post. BTW, I never did learn to read code dits and dahs. I only learned it by sound. I know it's a hobby and we all view it differen; /archives//html/Amps/2007-07/msg00315.html (7,551 bytes)
13. Re: [Amps] SB-200 DATA (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Thu, 19 Jul 2007 16:40:43 -0400; I recently decided to try a pair of the Chinese 3-500Zs just to see how they'd work compaired to the Eimac pair I have in the 2K4. So far they *appear* to be working well with the same output as the; /archives//html/Amps/2007-07/msg00347.html (13,259 bytes)
14. [Amps] Solid state Vs Tube QRO (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Sat, 21 Jul 2007 00:31:19 -0400; As I think I've mentioned before, I'm looking into solid state, auto band switching amps. So far the Tokyo HL-1.5K and 2.5K look interesting, but I'm looking for some feedback on them. One friend has; /archives//html/Amps/2007-07/msg00354.html (6,676 bytes)
15. Re: [Amps] Solid state Vs Tube QRO (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Mon, 23 Jul 2007 03:56:56 -0400; The SPE K1-FA appears to be a bit more versatile with the multiple inputs and auto switched outputs and it appears to have good specs with about the same or a tad more output than the HL-1.5KFX, but; /archives//html/Amps/2007-07/msg00364.html (8,560 bytes)
16. Re: [Amps] Drake amplifier (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Mon, 23 Jul 2007 15:59:48 -0400; Maybe a slight technicality, but the power limit was "1 KW AVERAGE dc input measured using a current meter with a 1/4 aecond time constant. There was only one limit, not seperate ones for CW and SSB; /archives//html/Amps/2007-07/msg00376.html (12,001 bytes)
17. Re: [Amps] Drake amplifier (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Mon, 23 Jul 2007 18:10:01 -0400; I think I still have one of the Drake plug in "compressors". An amp with ONLY one 8877? <:-)) 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com ht; /archives//html/Amps/2007-07/msg00385.html (15,268 bytes)
18. Re: [Amps] higher v.?? (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Wed, 25 Jul 2007 01:15:15 -0400; Our line voltage is showing 117-118 on the UPS which is typical through the house. The shop which is on its own transformer runs 119-120. Even with 5 computers running my bill is pretty close to wha; /archives//html/Amps/2007-07/msg00422.html (10,649 bytes)
19. Re: [Amps] higher v.?? (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Wed, 25 Jul 2007 12:17:19 -0400; I've not noticed it with the ones in the house, but out in the garage they have changed to a warmer color, or the new one is much whiter, I'm not sure which. When one goes out in the house maybe I'l; /archives//html/Amps/2007-07/msg00428.html (9,535 bytes)
20. [Amps] Fixing gassy tubes? (score: 1): Author: "Roger" <sub1@rogerhalstead.com>; Date: Thu, 26 Jul 2007 20:26:02 -0400; One of the worst tubes I've run into for being gassy are the old PL-172/8295A. These were, to me, a great tube. They are an external anode metal tube with a very coarse set of fins in the radiator so; /archives//html/Amps/2007-07/msg00448.html (7,683 bytes)

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