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Total 9 documents matching your query.

1. [AMPS] Alpha 77's (score: 1): Author: ab4ru@stc.net (Ron Hooper); Date: Sat, 02 Aug 1997 11:42:32 +0100; Hello, Can someone tell me the difference between the 77d, 77dx and the 77sx I know there were others like the PA. Also if the kit for installing the second 8877 is still available? I think the sx wa; /archives//html/Amps/1997-08/msg00006.html (6,851 bytes)
2. [AMPS] Alpha 77's (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 2 Aug 97 05:57:12 -0700; D = one tube. S = 2 tubes. - The tank in the 77 is designed for a 2000 ohm input and 50 ohm output. Two 8877s have an anode output Z of roughly 1000 ohms. - If one were to re-design the 77's tank fo; /archives//html/Amps/1997-08/msg00008.html (7,575 bytes)
3. Fwd: [AMPS] Alpha 77's (score: 1): Author: W6TG@aol.com (W6TG@aol.com); Date: Sat, 2 Aug 1997 12:28:22 -0400 (EDT); -- Forwarded message: Subj: Re: [AMPS] Alpha 77's To: <amps@contesting.com> Date: 97-08-02 12:21:56 EDT From: W6TG To: ab4ru@stc.net << Hello, Can someone tell me the difference between the 77d, 77dx; /archives//html/Amps/1997-08/msg00010.html (7,671 bytes)
4. [AMPS] Alpha 77's (score: 1): Author: ab4ru@stc.net (Ron Hooper); Date: Sat, 09 Aug 1997 02:49:50 +0100; Hi all, I guess some of my other posting was not clear. The 800 ma choke, is in the tank circuit not the power supply section of the amp. My B+ drops to something like 3600 volts under load, 2880 wat; /archives//html/Amps/1997-08/msg00091.html (10,481 bytes)
5. [AMPS] Alpha 77's (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Sun, 10 Aug 1997 21:37:25 +0000; To: <amps@contesting.com> If the choke had excessive dc voltage drop, it would be on fire or glowing red hot...hi. I gave up on figuring out where manufacturers get their kVA ratings. The AL1200/150; /archives//html/Amps/1997-08/msg00096.html (10,449 bytes)
6. [AMPS] Alpha 77's (score: 1): Author: philk5pc@connect.net (Phil Clements); Date: Mon, 11 Aug 1997 00:24:29 -0500; limited Not to worry about the current on the choke. This was an AM rating, I have felt of the B$W 800 after several hours of heavy DX'ing and it is not even warm. The little VHF choke connected to t; /archives//html/Amps/1997-08/msg00097.html (12,050 bytes)
7. [AMPS] Alpha 77's (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Mon, 11 Aug 1997 10:29:22 EDT; On Sun, 10 Aug 1997 21:37:25 +0000 w8jitom@postoffice.worldnet.att.net writes: To: <amps@contesting.com> The stock plate choke is the B&W 800 and was originally rated at 90uh, 500ma, 2500V in the 197; /archives//html/Amps/1997-08/msg00106.html (10,190 bytes)
8. [Amps] Alpha 77's (score: 1): Author: Bob Sullivan <robert@isquare.com>; Date: Wed, 12 Jan 2011 09:02:45 -0500; I'm looking for a couple of A77Sx's or A77Dx's ... anyone have a "spare " they would like to sell? 73, Bob WØYVA http://www.isquare.com/personal_pages/ras-hardware.htm _______________________________; /archives//html/Amps/2011-01/msg00129.html (6,880 bytes)
9. Re: [Amps] Alpha 77's (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 12 Jan 2011 09:40:59 -0500; Somebody won the lottery! Carl KM1H I'm looking for a couple of A77Sx's or A77Dx's ... anyone have a "spare " they would like to sell? 73, Bob WØYVA http://www.isquare.com/personal_pages/ras-hardware; /archives//html/Amps/2011-01/msg00130.html (7,060 bytes)

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