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Total 81 documents matching your query.

21. [Amps] Radio Handbook Classic Pr 813 RF Deck F/S (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Sat, 28 Jul 2007 18:59:14 -0700
Old Classic Hombrew Pr 813 RF Deck, Metered, B&W 850A Pi Net/Band switch Copy of the Radio Handbook varieties shown in Early-Mid 60s Radio Handbooks. In Cabinet, includes Pr 813s. Complete, Less HV P
/archives//html/Amps/2007-07/msg00495.html (6,724 bytes)

22. Re: [Amps] Project for 8122 tubes (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 14 Aug 2007 09:42:37 -0700
folks: Are 8122 Tubes that have been in storage for possibly Decades without use, likely to have internal gas problems? Sincerely, Pat Barthelow aa6eg@hotmail.com http://www.jamesburgdish.org Jamesbu
/archives//html/Amps/2007-08/msg00075.html (8,491 bytes)

23. [Amps] Vacuum Packaged NOS tubes (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 14 Aug 2007 09:53:03 -0700
folks: This is a memory Jogger, now: Waaaayyyy Back at the Navy School Radio Club statioin, K6LY, I remember seeing some (smaller, possibly 8122 size) mil spec external anode tubes, NOS in our "Junk
/archives//html/Amps/2007-08/msg00077.html (9,028 bytes)

24. Re: [Amps] LK-500 ZA heat (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 14 Aug 2007 10:53:12 -0700
For 3-500Z tubes that are cooled by a sideways air stream as in the SB 220, has anyone measured the temperature of the glass on opposite sides of the tube, to see if the upstream side is significantl
/archives//html/Amps/2007-08/msg00082.html (7,987 bytes)

25. Re: [Amps] AL-811H maximum Ip (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 22 Aug 2007 09:31:01 -0700
Hi Jan, Hmmmm... Pinning the Plate Current meter... not good, probably you need to reduce drive. Tube specs, Plate Current, show 175ma per tube, or 700ma for 4 tubes. Sometimes on initial tuneup when
/archives//html/Amps/2007-08/msg00142.html (9,072 bytes)

26. [Amps] B&W 30 Amp Fil Choke FS (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 29 Aug 2007 15:03:48 -0700
To sell: Barker and Williamson FC-30A Filiment Choke, never used Like new. Steel case, bracket mount tabs, solder lugs for 30 amp filiment current. $30 plus shiping All the Best, 73, Pat Barthelow aa
/archives//html/Amps/2007-08/msg00244.html (6,970 bytes)

27. [Amps] Sell, Jennings Vac Variable (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 29 Aug 2007 15:37:05 -0700
To sell: Jennings Vac Variable, UCSL 750; 5-750pF Spec 3KV, Hi Pot tested to 5KV fully meshed Perfect Included precision machined Aluminum Support Bracket/Clamp $130 plus shipping All the Best, 73, P
/archives//html/Amps/2007-08/msg00245.html (7,046 bytes)

28. [Amps] Sell, EF Johnson, Ceramic Sockets, 3-500Z family (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 29 Aug 2007 15:42:06 -0700
To sell: 3-500Z Ceramic Sockets, 4 ea, 2 Brand New, never used, 2 Like new, Used MFg EF Johnson 275 $25.00 ea +Ship All the Best, 73, Pat Barthelow aa6eg@hotmail.com (916) 315-9271 http://www.jamesbu
/archives//html/Amps/2007-08/msg00246.html (7,111 bytes)

29. [Amps] Sell, Air Socket, 4-1000A Family, Eimac SK 500 (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 29 Aug 2007 15:57:39 -0700
To sell: Eimac Cast Aluminum Air System Socket, 4-1000A Family of Tubes Date Code 6719 Air hose port has been machined for a custom fit, making connection to it different. Similar to : http://www5b.b
/archives//html/Amps/2007-08/msg00248.html (7,446 bytes)

30. [Amps] Sell, Variacs, 5 ea, different (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 29 Aug 2007 16:28:21 -0700
To sell: VARIACS: 1. Superior Electric Type 1126 115 V 15A, 2KW Similar to: (2Ea) http://images.google.com/imgres?imgurl=http://www.oaktreevintage.com/web_photos/test_gear/Variac_collage $70 ea. plus
/archives//html/Amps/2007-08/msg00252.html (7,420 bytes)

31. [Amps] Mil-Spec Fil Xfmr performance (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Fri, 31 Aug 2007 11:39:54 -0700
Folks: I am parting out a robust, home brew RF Deck that carried a pair of 4-400 A tubes, very similar to a 3-500Z design. It was robustly built, and has a huge silver Pi Net rotary Coil, Vac Variabl
/archives//html/Amps/2007-08/msg00274.html (7,903 bytes)

32. Re: [Amps] Shipping Alpha 91b from US to Eu (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Sun, 02 Sep 2007 07:32:14 -0700
Hello Nermin, In 2000, I was blessed to be able to visit Slovenia, as a spectator/observer to WRTC 2000. One of the most memorable ham experiences of my life. Great friends made, spectacular country
/archives//html/Amps/2007-09/msg00007.html (10,318 bytes)

33. Re: [Amps] Shipping Alpha 91b from US to Eu (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Sun, 02 Sep 2007 08:02:25 -0700
I wonder if the export market for big amplifiers, is pinched by the high cost of shipping, the sheer weight of high power linear amplifiers, largely caused by linear HV supplies. If so, is the cost o
/archives//html/Amps/2007-09/msg00009.html (8,320 bytes)

34. Re: [Amps] Shipping Alpha 91b from US to Eu (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Sun, 02 Sep 2007 08:51:58 -0700
Direct Passenger flights from New York JFK, to Ljubljana, run consistently around $850 at the momnet. 3 Carriers at least show up on the Booking computers, Lufthansa, Swiss Air, and Austrian Air. Don
/archives//html/Amps/2007-09/msg00012.html (8,837 bytes)

35. [Amps] 4-400As as Subs for 3-500Z (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 05 Sep 2007 10:06:47 -0700
Back in the olden days, as a poor college kid building an amp, I checked in with the local FM broadcast staitions esp those that ran a KW or two on FM broadcast. I inquired about possible extra PA tu
/archives//html/Amps/2007-09/msg00030.html (9,160 bytes)

36. [Amps] AMP PARTS; HV DOORKNOBS, SMALL (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 05 Sep 2007 19:42:58 -0700
FOR THE AMP BUILDER: SMALL CERAMIC DOORKNOBS similar to: http://www.isp.ca/ve3nh/clip2.jpg MAKE OFFER: 850s 25PF NPO 3 EA 850S 50PF 850S 100PF N750 CRL FR 5591000PF 3.5KV 2 EA 850S 100PF N750 6 EA 85
/archives//html/Amps/2007-09/msg00038.html (7,861 bytes)

37. [Amps] NCL 2000 Information/Hardware (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 11 Sep 2007 22:35:54 -0700
Anyone have an old NCL 2000, basket case for parts? Or, specific Info or the Mfg of the meters used? Or, anything that can be used to recreate accurately meter face artwork? All the Best, 73, Pat Bar
/archives//html/Amps/2007-09/msg00116.html (6,541 bytes)

38. Re: [Amps] HELP-SB-200 meter (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 18 Sep 2007 07:39:14 -0700
Here is a useful site for custom meter face fabrication/duplication: http://www.qsl.net/kr6lp/meter.html All the Best, 73, Pat Barthelow aa6eg@hotmail.com http://www.jamesburgdish.org Subscribe: http
/archives//html/Amps/2007-09/msg00189.html (8,565 bytes)

39. Re: [Amps] HELP-SB-200 meter (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 18 Sep 2007 08:05:24 -0700
Wow.. way to go Jim. I can see now, it would be great for someone to have an archive file website, with librarys of meter faces, that others could select, access and modify. Kind of like Antenna Mode
/archives//html/Amps/2007-09/msg00192.html (8,446 bytes)

40. Re: [Amps] HELP-SB-200 meter (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 18 Sep 2007 10:23:08 -0700
Re Librarys of Meter faces; I just sold to a Dave Knepper, of the Collins Radio discussion group, a big box of earlier generation Weston Panel meters (the kind that hang on the front of the panel, no
/archives//html/Amps/2007-09/msg00200.html (11,088 bytes)

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