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Total 152 documents matching your query.

41. [AMPS] ?? on 3-500Zs (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Fri, 11 Jun 1999 07:51:32 -0700
Hi Boyd, I just made a visit to RF Parts in San Marcos this past wednesday. I will be procuring a new 3-500Z but I am still not sure which brand. The chinese tubes labeled "RF Parts Co." have an unc
/archives//html/Amps/1999-06/msg00387.html (7,823 bytes)

42. [AMPS] New World Record for 8877 Replacement (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Thu, 17 Jun 1999 17:00:53 -0700
It's too bad W8JI left the reflector before this came up. He claims you can stabilize an 8877 w/o a suppressor. I believe that's possible since I've stabilized a 4-1000 w/o a traditional suppressor a
/archives//html/Amps/1999-06/msg00507.html (9,104 bytes)

43. [AMPS] New World Record for 8877 Replacement (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Thu, 17 Jun 1999 17:03:14 -0700
Yes, Rich. I guess you not only selectively edit, you selectively read as well! Oh well, I guess we all do. Yes, Tom said he'd spent his alloted time on "AMPS" for one year. He was leaving. Perhaps
/archives//html/Amps/1999-06/msg00508.html (9,308 bytes)

44. [AMPS] measuring meter shunt resistance (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Thu, 17 Jun 1999 20:47:35 -0700
Gents, Is there a simple way to accurately measure the low resistance of a current meter shunt? I am trying to get my plate current and grid current meters calibrated and I need to verify the values
/archives//html/Amps/1999-06/msg00509.html (7,840 bytes)

45. [AMPS] shunt question answered X100 (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Sat, 19 Jun 1999 08:35:41 -0700
Gents, My shunt question has been answered and there are many ways to skin a cat. I have not personally replied to all so I would like to thank all of you right now for the many varied responses. I c
/archives//html/Amps/1999-06/msg00530.html (6,872 bytes)

46. [AMPS] Trade Eimac 4-400As for Bird slugs (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Tue, 22 Jun 1999 12:57:42 -0700
Gents, I would like to trade a pair of excellent Eimac 4-400A tubes for two Bird 43 slugs: 250H and 2500H or I will trade one tube for one of the above slugs. No longer need the tubes but have an imm
/archives//html/Amps/1999-06/msg00574.html (6,925 bytes)

47. [AMPS] Need more doorknobs for amp (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Thu, 24 Jun 1999 18:12:57 -0700
Gents, I have an immediate need for some doorknobs that will give me the following values: Need (2) doorknobs 150pF each minimum 7.5kV. Needs to be able to handle 1500watts on 160 meters. Paralleling
/archives//html/Amps/1999-06/msg00677.html (7,144 bytes)

48. [AMPS] Winding high power xmit toroids (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Fri, 25 Jun 1999 08:56:44 -0700
I am beginning the process of winding some toroid coils that are going to be used in a 1500 watt hf amp. The cores are T-225 and are supposedly good for 1500 watts but I figure to be safe I will use
/archives//html/Amps/1999-06/msg00702.html (7,738 bytes)

49. [AMPS] Amp photos (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Sat, 26 Jun 1999 10:34:51 -0700
I would like to publicly thank Larry for his efforts into the "Amp Photos Web Page". Sure is great to be able to look and see how other folks have laid out their amps. My single 3-500Z 160 to 10 deck
/archives//html/Amps/1999-06/msg00723.html (7,353 bytes)

50. [AMPS] fine tuning amp pi-network (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Sun, 27 Jun 1999 22:26:37 -0700
The single 3-500Z amp project is going rather well but a little slower than planned. So far the amp is around 80% done. Only thing left is mounting the coils in the output tank and still need some do
/archives//html/Amps/1999-06/msg00726.html (9,036 bytes)

51. [AMPS] values of caps (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Tue, 29 Jun 1999 17:24:09 -0700
Perhaps 5amps at 10 mhz. Who knows. That is why I have all those old Allied Radio and WRL catalogs from the 50s and 60s and early 70s. Usually I can find the values in their somewhere although I did
/archives//html/Amps/1999-06/msg00786.html (7,510 bytes)

52. [AMPS] WTB: Dentron Clip L amp w/o tubes (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Mon, 3 May 1999 21:04:22 -0700
Looking for a working Dentron Cliperton L amplifier without tubes. Must be working condx or close to it (Please, no bad power xmfrs). Will be for personal use. State condx and shipped price to San Di
/archives//html/Amps/1999-05/msg00021.html (6,972 bytes)

53. [AMPS] leakage current of electrolytics (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Sun, 23 May 1999 21:39:27 -0700
What is the acceptable limit for leakage current on electrolytic capacitors? The units in use are 560uF 400 volt and 470uF 450 volt. I am measuring around 2 to 300 hundred micramps at the max voltage
/archives//html/Amps/1999-05/msg00294.html (7,169 bytes)

54. [AMPS] Trade sweep tube(s) (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Mon, 24 May 1999 20:24:47 -0700
I have one full output 6JE6C/6LQ6 and one that is around 60%. They are both GE. I would like to trade them for a coax switch that will handle legal limit. Does not need to look nice or even look good
/archives//html/Amps/1999-05/msg00302.html (6,728 bytes)

55. [AMPS] Dentron Cliperton-L, w/o tubes $250.00 (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Thu, 27 May 1999 13:26:48 -0700
I have a very nice looking Dentron Cliperton-L amp with no tubes. Covers 160 to 10 meters. It does have a 'built in' tuned input network but looks like it may have been added later on by an outfit li
/archives//html/Amps/1999-05/msg00324.html (8,324 bytes)

56. [AMPS] Trade GE 6LQ6s (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Sun, 30 May 1999 22:20:42 -0700
I have one 6LQ6 that is 100% and the other is around 50 to 60%. Would like to trade for ?????? I know that are not worth that much but prefer to swap for something interesting. That are both GE. Lane
/archives//html/Amps/1999-05/msg00345.html (6,677 bytes)

57. [AMPS] Need Dentron MT-2000/3000 tuner (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Wed, 31 Mar 1999 22:36:50 -0800
for personal use. State condx, shipped price to San Diego, ur call and qth. Lane Zeitler Ku7i San Diego -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administr
/archives//html/Amps/1999-04/msg00003.html (6,695 bytes)

58. [AMPS] WTB: Sockets for 3-500Z's (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Thu, 1 Apr 1999 09:29:39 -0800
design used in the SB-220. A VERY close second place goes to the Swan Mk II. Both rf deck and ps use BIG rotary fans with the rf deck using the split chassis method. it also has THE most efficient ta
/archives//html/Amps/1999-04/msg00018.html (7,771 bytes)

59. [AMPS] many positions bandswitch (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Sun, 11 Apr 1999 16:34:01 -0700
The bandswitch in my newly acquired Dentron MT-2000 antenna tuner is bad. It is an 18 position ceramic that is actually pretty rugged. I picked up this tuner for a song at a swap meet and this is why
/archives//html/Amps/1999-04/msg00236.html (7,063 bytes)

60. [AMPS] Trade LK-500ZA for IC-751A (score: 1)
Author: zeitler@ibm.net (zeitler@ibm.net)
Date: Sun, 11 Apr 1999 17:01:08 -0700
Gents, I have an outstanding Amp Supply LK-500ZA. It has the Dahl plate xmfr. The tubes are like new with the Eimac red paint still very fresh. The amp will do around 1500 out on 80 and 40, around 14
/archives//html/Amps/1999-04/msg00237.html (7,125 bytes)


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