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References: [ +from:romers@shaw.ca: 29 ]

Total 29 documents matching your query.

1. Re: [Amps] Viewstar PT 1000a (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Mon, 07 Apr 2008 13:48:22 -0700
1. Add 3db to give those Canucks a run for their money (7db more to go) 2. Raise self esteem by getting lots of 599 reports 3. Run key down RTTY 24 hrs/day without melting your ____ (fill in the blan
/archives//html/Amps/2008-04/msg00106.html (8,464 bytes)

2. [Amps] 813's shot noise? (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Wed, 11 Jun 2008 16:42:54 -0700
I'm about finished rebuilding my pair of 813's (zero bias GG) amp. I acquired a nice almost new (1966) pair of 813's to finish things off. The new pair has almost double the output of my tired old pa
/archives//html/Amps/2008-06/msg00094.html (8,029 bytes)

3. Re: [Amps] 813's shot noise? (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Wed, 11 Jun 2008 18:37:40 -0700
Yes indeed. j _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2008-06/msg00095.html (7,012 bytes)

4. Re: [Amps] 813's shot noise? (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Thu, 12 Jun 2008 07:54:44 -0700
Hi Chuck et al: After running a few more hours, the noise just stopped, period. It appears the hobgoblins hiding within have been routed. Maybe it was more boiling away that was needed, maybe some pi
/archives//html/Amps/2008-06/msg00098.html (8,344 bytes)

5. [Amps] qsk5 question... (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Tue, 17 Jun 2008 17:25:08 -0700
Hi... my QSK5 arrived today and is a great puzzlement. I read the manual and decided to have a dry run without the amp attached. Thus, I hooked the Antenna to the Antenna connector on the QSK5 and th
/archives//html/Amps/2008-06/msg00129.html (7,199 bytes)

6. Re: [Amps] qsk5 question... (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Tue, 17 Jun 2008 19:09:40 -0700
Dick... thanks for your reply. I have no amp relay... the amp is on all the time. Zero bias gg. Small idle current. The only thing I need the qsk5 to do is switch the antenna. Can you pull the line t
/archives//html/Amps/2008-06/msg00132.html (9,852 bytes)

7. [Amps] QSK5 question - happy ending (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Thu, 19 Jun 2008 08:30:52 -0700
Hi... All is working now, and the 40 year old pair of 813's is merrily running flawless qsk. It was an interesting journey in which I had some superb help, without which I'd still be scratching my he
/archives//html/Amps/2008-06/msg00142.html (7,809 bytes)

8. [Amps] qsk5 fuse lamp specs? (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Sat, 28 Jun 2008 14:13:09 -0700
Eeeek, made a silly mistake and blew the fuse lamps. The manual seems mute on the specs for the lamps (or did I miss it?). Anyone know what they are and/or what can be substituted if I can't get the
/archives//html/Amps/2008-06/msg00232.html (6,484 bytes)

9. [Amps] Excellent QSK5 info from N6MW (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Sun, 29 Jun 2008 12:39:37 -0700
Ampers: May I commend to you 'BILLS STUFF MINIMALIST WIRELESS WEBPAGE' http://www12.asphost4free.com/wortmanxx/n6mw.htm in which Bill gives a very nice 10 slide PowerPoint presentation on the functio
/archives//html/Amps/2008-06/msg00234.html (6,761 bytes)

10. Re: [Amps] AL-82 (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Tue, 16 Sep 2008 00:43:50 -0700
My 813's (zero bias GG) have been running now for 43 years. Cobbled together in 1965 with a pair of used toobs manufactured in 1942. Tried a pair of NOS (1967) 813's and the o/p was +0.5db greater. L
/archives//html/Amps/2008-09/msg00152.html (9,202 bytes)

11. [Amps] gg amp question... (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Fri, 26 Sep 2008 11:40:56 -0700
I'm trying to modify my pi network on a pair of gg 813's to work on 160. Looking back into the plate circuit from the pi network, how to estimate the ac plate circuit impedance that needs to be match
/archives//html/Amps/2008-09/msg00211.html (7,154 bytes)

12. Re: [Amps] gg amp question... (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Fri, 26 Sep 2008 14:27:47 -0700
Thanks to all that replied... Got it now. Best, jerome - va7vv -- Using Opera's revolutionary e-mail client: http://www.opera.com/mail/ _______________________________________________ Amps mailing li
/archives//html/Amps/2008-09/msg00215.html (9,927 bytes)

13. Re: [Amps] Vacuum Relay Issues (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Mon, 01 Dec 2008 19:32:58 -0800
[...] It's sad but true, the Pro3 does NOT have a QSK delay control to delay the RF envelope. Does your QSK delay work if you're not using the internal keyer in the FT1000? It doesn't on my FT920. Je
/archives//html/Amps/2008-12/msg00027.html (8,835 bytes)

14. [Amps] FL2100B questions (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Sun, 10 May 2009 09:08:51 -0700
I'm working on a somewhat defunct 2100B for a blind friend of mine. He drives it with an old TS520. My pal tunes both his exciter and the amp with separate aural RF driven indicators. I've watched hi
/archives//html/Amps/2009-05/msg00050.html (8,185 bytes)

15. Re: [Amps] FL2100B questions (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Sun, 10 May 2009 21:56:25 -0700
Thanks to all those that responded both publicly and privately! Everyone thought the tubes are tired. Two folks said the mica capacitors on the 40m input pi-network were a known problem and needed to
/archives//html/Amps/2009-05/msg00056.html (7,383 bytes)

16. Re: [Amps] SB-220 bias question (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Sat, 29 Aug 2009 18:33:29 -0700
And by extension, consider an amplifier tuned with a steady tone for maximum power out when the i/p side of the pi network matches the tube plate Z and the output of the pi matches the load Z. If the
/archives//html/Amps/2009-08/msg00625.html (8,811 bytes)

17. Re: [Amps] 304TH, 304TL, 813 (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Mon, 07 Sep 2009 09:13:00 -0700
1. How to tell if the 813 has graphite or tantalum plates? I have one pair from the early '40's and one pair made in the early 60's; I rotate them every year or so. 2. Amp runs only on 80/40/30m at 2
/archives//html/Amps/2009-09/msg00073.html (7,780 bytes)

18. Re: [Amps] 304TH, 304TL, 813 (score: 1)
Author: "jerome schatten" <romers@shaw.ca>
Date: Mon, 07 Sep 2009 16:59:52 -0700
My thanks to all that responded both on and off list. Best, va7vv - jerome -- Using Opera's revolutionary e-mail client: http://www.opera.com/mail/ _______________________________________________ Amp
/archives//html/Amps/2009-09/msg00080.html (8,836 bytes)

19. [Amps] 813's on 160. (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Fri, 01 Jan 2010 14:37:32 -0800
I'm looking at getting my venerable 813's amp to play on 160. Works fine on 80 -> 20, but I'm thinking I need to increase the plate choke bypass and the output coupling caps in value. The plate choke
/archives//html/Amps/2010-01/msg00003.html (7,218 bytes)

20. [Amps] 30M noise problem (OT?) (score: 1)
Author: jerome schatten <romers@shaw.ca>
Date: Tue, 20 Apr 2010 12:06:00 -0700
Here's the admittedly weak connection between my Amplifier and my 30M receiving noise problem: The noise coming NOT from my trusty old 813's, but somewhere else, is so bad it makes no sense to use th
/archives//html/Amps/2010-04/msg00573.html (7,425 bytes)

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