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Total 136 documents matching your query.

61. Re: [Amps] WTB RJ1A vacuum relay (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sun, 14 Nov 2010 13:38:31 -0800
Alan Bond, with Max Gain Systems has the best price on new and used vacuum relays. Do a Google for Max Gain Systems. 73 Jim W7RY _______________________________________________ Amps mailing list Amps
/archives//html/Amps/2010-11/msg00224.html (8,949 bytes)

62. Re: [Amps] 2010 Handbook (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Tue, 16 Nov 2010 16:36:05 -0800
Sometimes you have to look for yourself. http://www.arrl.org/shop/The-ARRL-Handbook-2011-Hardcover-Edition/?page=1 73 Jim W7RY _______________________________________________ Amps mailing list Amps@c
/archives//html/Amps/2010-11/msg00280.html (8,863 bytes)

63. Re: [Amps] AL-82 Blowing fuses on startup (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Fri, 26 Nov 2010 16:34:44 -0800
Tell it to put them back in! NOW! Could not resist... 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/am
/archives//html/Amps/2010-11/msg00498.html (11,768 bytes)

64. Re: [Amps] [Bulk] Help identifying tubes (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sun, 28 Nov 2010 21:08:19 -0800
Probably 5-500s with the plates designed like that. 5-500s are used in AM broadcast transmitters as finals and modulators. 73 Jim W7RY _______________________________________________ Amps mailing lis
/archives//html/Amps/2010-11/msg00532.html (10,355 bytes)

65. Re: [Amps] Help identifying tubes (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Wed, 1 Dec 2010 20:23:13 -0800
No such thing as a 4-500. They are 5-500s. 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-12/msg00004.html (12,926 bytes)

66. Re: [Amps] 4 X 4-400C or 4 X 3-500Z HF amplifier (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sat, 11 Dec 2010 19:32:00 -0800
For what frequencies or bands? 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-12/msg00124.html (8,470 bytes)

67. Re: [Amps] Band switch (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sat, 11 Dec 2010 19:32:45 -0800
2K, 2K4 and 2K3 did not use the roller coil arrangement. 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo
/archives//html/Amps/2010-12/msg00125.html (10,385 bytes)

68. Re: [Amps] PI-L Thoughts! (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sat, 11 Dec 2010 19:35:12 -0800
Please look at the way I handled a low minimum value cap in my 3CX800 amp. I used a small cap for 10, 15 and 20 meters. Then switched in a larger cap for 40, 80 and 160. Pictures @ http://s900.photob
/archives//html/Amps/2010-12/msg00126.html (10,907 bytes)

69. Re: [Amps] PI-L Thoughts (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sun, 12 Dec 2010 13:33:09 -0800
Thanks Rich! The cabinet is from Byers Cabinets K3IWK http://home.flash.net/~k3iwk/ The "grid" compartment also came from there. 73 Jim W7RY _______________________________________________ Amps maili
/archives//html/Amps/2010-12/msg00139.html (9,343 bytes)

70. Re: [Amps] PI-L Thoughts! (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sun, 12 Dec 2010 13:39:19 -0800
The tank coils and the band switch is from Ten-Tec. They used this in the Titan 425. The tune-load knobs and Jackson Brothers drives are from them too. The 4th switch deck is to control the band swit
/archives//html/Amps/2010-12/msg00140.html (14,228 bytes)

71. Re: [Amps] PI-L Thoughts! (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sun, 12 Dec 2010 13:56:25 -0800
Thanks Roger... The toroid is the "L" coil. the open coil is for 10, 15, 20 and 40. The ceramic vertical coil is 80 and 160. All the tank components and the band switch are from a Ten-Tec 425 Titan a
/archives//html/Amps/2010-12/msg00142.html (15,255 bytes)

72. Re: [Amps] PI-L Thoughts! (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sun, 12 Dec 2010 20:07:59 -0800
I actually ordered them from Ten-Tec as parts. That was at least 10 years ago though. 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.co
/archives//html/Amps/2010-12/msg00147.html (17,330 bytes)

73. Re: [Amps] 4 X 4-400C or 4 X 3-500Z HF amplifier (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Wed, 15 Dec 2010 10:03:19 -0800
I'd like to see that done Bill! Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-12/msg00167.html (12,868 bytes)

74. [Amps] Harbach Step Start Board (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Thu, 16 Dec 2010 23:00:16 -0800
Does anyone have one of the Harbach step start boards handy and can give me the dimensions? Thanks! 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com h
/archives//html/Amps/2010-12/msg00182.html (6,456 bytes)

75. Re: [Amps] Harbach Step Start Board (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Fri, 17 Dec 2010 00:03:12 -0800
[Amps] Harbach Step Start BoardPerfect! Thanks Allan 73 Jim W7RY 81.5mm l..40mm w..abt 20mm h .. Does anyone have one of the Harbach step start boards handy and can give me the dimensions? Thanks! 73
/archives//html/Amps/2010-12/msg00183.html (7,988 bytes)

76. [Amps] AL-1500 Plate Meter Circuit (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Thu, 23 Dec 2010 13:04:59 -0800
Merry Christmas! I'm working on a AL-1500. I noticed that the is only one 1.5 Ohm resistor in the plate metering circuit. The schematic calls for two 1.5 Ohm resistors (R3 and R4). The plate current
/archives//html/Amps/2010-12/msg00319.html (7,462 bytes)

77. Re: [Amps] AL-1500 Plate Meter Circuit (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Thu, 23 Dec 2010 13:07:08 -0800
Looking a little closer at the schematic, R3 and R4 are grid meter resistors. The grid current is very low about 50 ma for 1500 watts out. Thanks 73 Jim W7RY _________________________________________
/archives//html/Amps/2010-12/msg00320.html (8,660 bytes)

78. Re: [Amps] AL-1500 Plate Meter Circuit (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Thu, 23 Dec 2010 16:20:32 -0800
I know about the wattmeter Dave. I'm using a Powermaster. I actually answered my own question. The grid current being half of what it shows on the meter. So with my setup, the grid current is actuall
/archives//html/Amps/2010-12/msg00327.html (11,010 bytes)

79. Re: [Amps] Amps Digest, Vol 96, Issue 48 (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Thu, 23 Dec 2010 17:59:06 -0800
The diode in this amp on the filter cap board shorted. That caused the grid and plate current meters to read the same. Just the plate current divided on the two meters. Jim W7RY _____________________
/archives//html/Amps/2010-12/msg00330.html (37,688 bytes)

80. Re: [Amps] Greetings and Question: what fuse do I use for theClipperton L (and where do I get them)? (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Thu, 6 Jan 2011 15:17:04 -0800
Should work just fine. Even a 15 amp is all that is needed for testing. Remember, there is a circuit breaker in your electrical panel too. In other words, it's not rocket science. And yes, lower ampe
/archives//html/Amps/2011-01/msg00045.html (10,448 bytes)

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