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Total 17 documents matching your query.

1. [AMPS] output on pair 3xc800a7's (score: 1)
Author: W6RU@aol.com (W6RU@aol.com)
Date: Wed, 2 Sep 1998 02:06:03 EDT
Tom, One way to tell which amp it was to start with is... 78A has vacumm output relay and hypersil transformer. 374A has standard open frame relay and standard open frame transformer. In either case,
/archives//html/Amps/1998-09/msg00022.html (10,757 bytes)

2. [AMPS] output on pair 3xc800a7's (score: 1)
Author: W6RU@aol.com (W6RU@aol.com)
Date: Wed, 2 Sep 1998 17:15:27 EDT
Ken, Yes I did consider a new transformer from Pete Dahl but at 250 to 300 dollars (forget exactly) I decided to just do the fillament transformer thing...didn't want to turn this into anymore of a m
/archives//html/Amps/1998-09/msg00035.html (7,851 bytes)

3. [AMPS] 4-1000A amp design (score: 1)
Author: W6RU@aol.com (W6RU@aol.com)
Date: Mon, 10 Aug 1998 14:36:50 EDT
One very important fact in the stability of the 4-1000A amp in "grounded grid" is to use the plastic Eimac socket and run the 3 grid connections through the side slits in the socket to chassis ground
/archives//html/Amps/1998-08/msg00081.html (9,594 bytes)

4. [AMPS] Groth Turns Counters (score: 1)
Author: W6RU@aol.com (W6RU)
Date: Wed, 1 Apr 1998 20:13:03 EST
Anyone know of a source for these turn counters these days? Use to be sold by HB Bauman Sales Co. in QST years back. Thanks, Terry - W6RU -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissi
/archives//html/Amps/1998-04/msg00007.html (6,470 bytes)

5. [AMPS] RESULTS: Groth Turns Counters (score: 1)
Author: W6RU@aol.com (W6RU)
Date: Thu, 2 Apr 1998 12:46:30 EST
Thanks to who responded to my question regarding these turns counters. R.H. Bauman is still alive and well and making these units but is running about two months behind. He can be contacted at 630-77
/archives//html/Amps/1998-04/msg00010.html (6,668 bytes)

6. [AMPS] YC-156 (score: 1)
Author: W6RU@aol.com (W6RU)
Date: Thu, 2 Apr 1998 20:15:22 EST
With all the talk about this impressive looking tube has anyone lit one yet. Would be curious to know what kind of plate current it develops with 100 watts drive at a resonable Ep. Thanks, Terry - W6
/archives//html/Amps/1998-04/msg00018.html (6,426 bytes)

7. [AMPS] AWSOME AMP>>> (score: 1)
Author: W6RU@aol.com (W6RU)
Date: Mon, 9 Mar 1998 17:44:06 EST
<< Jim,go check it out on Commands home page. It is a brute of a amp. 3.3 amp hypersil transformer with about 3100 volts on the plate of THREE 3CPX800A7 tubes. It's been a great amp so far...only bou
/archives//html/Amps/1998-03/msg00106.html (7,209 bytes)

8. [AMPS] Plate RFC choke design (score: 1)
Author: W6RU@aol.com (W6RU)
Date: Fri, 27 Mar 1998 03:22:40 EST
Jon, For what it's worth...I agree totally with you. I have built many amps over the years and had my share chokes melt down or blow up. The two chokes in series works very well. I suggest as AG6K do
/archives//html/Amps/1998-03/msg00441.html (8,677 bytes)

9. [AMPS] GRID CURRENT FOR ALPHA 76A (score: 1)
Author: W6RU@aol.com (W6RU@aol.com)
Date: Fri, 20 Feb 1998 13:02:40 EST
Hi Steve, Alpha in their 78 manual...three tube amp...say never let grid current go above 100 ma in a CW or RTTY condition AND never above 50 ma voice peaks when on SSB. Good Luck In The Contest, Ter
/archives//html/Amps/1998-02/msg00112.html (7,277 bytes)

10. Re: [Amps] tuned input pr 4-1000,s (score: 1)
Author: W6RU@aol.com
Date: Fri, 31 Dec 2004 15:56:38 EST
I have an old 4-1000 amp by w4gd. I want to upgrade the input circuit. at present is brute force feed thru a cap. any suggestions b4 I take it apart and sell the pieces!! Wayne k8lee ________________
/archives//html/Amps/2004-12/msg00412.html (6,564 bytes)

11. [Amps] Vac Variable Forsale (score: 1)
Author: W6RU@aol.com
Date: Tue, 25 Jan 2005 16:15:44 EST
ITT Jennings ceramic vacuum variable cap .... CAEB-10-0025. 2 to 10 pf at 25 KV ... 12 KV working voltage. $ 50.00 shipped. Terry W6RU 661-399-8877 _______________________________________________ Amp
/archives//html/Amps/2005-01/msg00524.html (6,094 bytes)

12. [Amps] WTB: 8874's / 3CX400A7 (score: 1)
Author: W6RU@aol.com
Date: Tue, 8 Feb 2005 18:09:20 EST
Any new old stock or very good pulls available out there? Have to trade .... new 8877, new 3-400Z's, new/used YC-156 or $. TNX, Terry W6RU 661-399-8877 _______________________________________________
/archives//html/Amps/2005-02/msg00323.html (6,293 bytes)

13. [Amps] HB 4-1000A RF Deck Forsale (score: 1)
Author: W6RU@aol.com
Date: Fri, 11 Mar 2005 14:54:10 EST
Nice 4-1000A RF Deck available with spare tube. Covers 160-10 meters. $ 1500.00 pickup or meet. Terry W6RU 661-399-8877 pictures @ _http://www.members.aol.com/w6ru/4-1000A.jpg_ (http://www.members.ao
/archives//html/Amps/2005-03/msg00294.html (6,741 bytes)

14. [Amps] Alpha 77SX Forsale (score: 1)
Author: W6RU@aol.com
Date: Fri, 11 Mar 2005 14:55:17 EST
Nice condition Alpha 77SX with new black panels. $ 5000.00 pickup or meet. Terry W6RU 661-399-8877 _______________________________________________ Amps mailing list Amps@contesting.com http://lists.c
/archives//html/Amps/2005-03/msg00295.html (5,979 bytes)

15. [Amps] Alpha 77DX Meter Help PSE (score: 1)
Author: W6RU@aol.com
Date: Wed, 18 May 2005 01:52:13 EDT
My multimeter in my 77DX accidently got sprayed with fluxoff. I am looking for a replacement meter good or bad (only need front plastic cover). Any help out there? TNX Much, Terry W6RU ______________
/archives//html/Amps/2005-05/msg00204.html (6,094 bytes)

16. Re: [Amps] YC-156 Triode (score: 1)
Author: W6RU@aol.com
Date: Thu, 8 Sep 2005 22:24:31 EDT
My filament transformer didn't have a center-tap so I improvised a B- by using an artificial centertap made of diodes connected to each leg of the filament's secondary. This tube is NOT a directly he
/archives//html/Amps/2005-09/msg00079.html (7,037 bytes)

17. Re: [Amps] Moderation (score: 1)
Author: W6RU@aol.com
Date: Sun, 4 Jun 2006 09:28:52 EDT
Ok, I for one am glad there is moderation on this forum, so get over it (qsy)! This list is a forum (TX) that is provided at someone's expense (power from the mains) for the good (amplification) of t
/archives//html/Amps/2006-06/msg00100.html (8,368 bytes)


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