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61. Re: [Amps] Bad tubes from ebay, update (score: 1)
Author: "k7rdx" <>
Date: Sat, 27 Jan 2007 15:20:22 -0800
Russian tubes are really great for what they cost...American tubes cost more but you get much more...73,Jim K7RDX... -- Original Message -- From: "Larry" <> To: "AMPS" <amps@contesting
/archives//html/Amps/2007-01/msg00272.html (9,229 bytes)

62. Re: [Amps] Bad tubes from ebay, update (score: 1)
Author: "k7rdx" <>
Date: Sat, 27 Jan 2007 19:54:24 -0800
I built my first Russian tube in 1998 (GS-35b) after a ham friend swapped me a tube at the Puyallup electronics flea market (In the Seattle area) I was quite impressed at the time with how well it wo
/archives//html/Amps/2007-01/msg00278.html (11,037 bytes)

63. Re: [Amps] Bad tubes, GS-35B's, and 8877's (score: 1)
Author: "k7rdx" <>
Date: Sun, 28 Jan 2007 10:28:05 -0800
Hey Larry...If what you do(&how u do it) makes you happy more power to you....That`s why we enjoy our freedoms here in the good ol USA..73,Jim... -- Original Message -- From: Larry To: k7rdx Cc: Gudg
/archives//html/Amps/2007-01/msg00290.html (16,376 bytes)

64. Re: [Amps] SELL: Misc. Amp Parts (score: 1)
Author: "k7rdx" <>
Date: Sun, 4 Feb 2007 07:44:19 -0800
I`m looking for one decent used Eimac 3-500Z tube, old style without the pin support. Pse reply off list or call me:509-884-9307...Tnx..Jim. -- Original Message -- From: <> To: <amps@co
/archives//html/Amps/2007-02/msg00037.html (8,648 bytes)

65. Re: [Amps] 3-500z - intermittent filament (score: 1)
Author: "k7rdx" <>
Date: Fri, 9 Feb 2007 05:44:05 -0800
There is a heat transfer/absorbant compound used in the auto collision industry that may work very well for re-soldering filament pins.We used a mud like substance to absorb heat when welding in sens
/archives//html/Amps/2007-02/msg00156.html (12,421 bytes)

66. Re: [Amps] 1 tube or two ?? (score: 1)
Author: "k7rdx" <>
Date: Sun, 11 Feb 2007 17:33:27 -0800
A pair of 4-1000`s (gg) with 6kv/150 watts drive will do legal limit x 3 easily...Into a dummy load of course!That`s a lot of filament current wasted when one tube will do 1500 easily thou, individua
/archives//html/Amps/2007-02/msg00200.html (9,879 bytes)

67. [Amps] Seimens grid/cathode glitch spark gap device (score: 1)
Author: "k7rdx" <>
Date: Thu, 15 Feb 2007 07:27:40 -0800
Anyone have specs for the Seimens B1-C145 spark gap? I would like to know measurement of gap as well as material device is made from..Thanks in advance,Jim K7RDX.. ___________________________________
/archives//html/Amps/2007-02/msg00248.html (6,315 bytes)

68. Re: [Amps] Seimens grid/cathode glitch spark gap device (score: 1)
Author: "k7rdx" <>
Date: Fri, 16 Feb 2007 07:25:18 -0800
Thanks John,Bob&others for the research and suggestions...Here`s my dilemma: I have been running a used 3cpx5000A7 for a few yrs with great results (Not yc-156 although identical)and have since picke
/archives//html/Amps/2007-02/msg00259.html (7,932 bytes)

69. [Amps] Gas arc tube Bourns 2027-15 (score: 1)
Author: "k7rdx" <>
Date: Sun, 11 Mar 2007 14:24:02 -0800
Anyone have for sale a few Bourns 2027-15 Gas arc protection devices? Mouser has them for 1.47 each but minimum order of 100 pieces! Thanks and please reply off list..Jim K7RDX.. ____________________
/archives//html/Amps/2007-03/msg00156.html (6,793 bytes)

70. Re: [Amps] Gas arc tube Bourns 2027-15 (score: 1)
Author: "k7rdx" <>
Date: Sun, 11 Mar 2007 17:55:44 -0800
Thanks Mike&everyone for the fast response&useful info...I just ordered 6 of the units with the part# you sent Mike...Tnx agn,Jim.. -- Original Message -- From: "Mike McCarthy, W1NR" <>
/archives//html/Amps/2007-03/msg00163.html (9,435 bytes)

71. Re: [Amps] Help IDing DSdc diodes (score: 1)
Author: "k7rdx" <>
Date: Fri, 16 Mar 2007 17:46:57 -0800
The best way to test unknown diodes: Attatch welding leads&strike an arc....If you can weld without blowing them up,you have adequate current handling for the BIG one...PS:don`t touch what your`e try
/archives//html/Amps/2007-03/msg00191.html (11,709 bytes)

72. Re: [Amps] (Amps) This reflector. (score: 1)
Author: "k7rdx" <>
Date: Tue, 20 Mar 2007 09:08:19 -0800
This reflector should (And does) reflect and share opinions and ideas of several designers,builders,etc..I have made several friends here and value their ideas and suggestions. The only semi complica
/archives//html/Amps/2007-03/msg00253.html (9,996 bytes)

73. Re: [Amps] Bee's wax to hold screws (score: 1)
Author: "k7rdx" <>
Date: Fri, 23 Mar 2007 15:32:56 -0800
I worked for many years in the automotive collision industry...You can`t believe the nearly impossible areas we had to access with screws,nuts,etc,etc..A short piece of clear flexible hose on the end
/archives//html/Amps/2007-03/msg00323.html (14,916 bytes)

74. [Amps] FS:3CX10,000B7 (score: 1)
Author: "k7rdx" <>
Date: Fri, 30 Mar 2007 06:55:37 -0800
Ampers:I have for sale a new in the box Eimac 3CX10,000B7...I recently sent it to Zonum Industries for testing and burn in and will supply their invoice to buyer. Very close specs to YC-156/179 with
/archives//html/Amps/2007-03/msg00411.html (6,357 bytes)

75. [Amps] Kenwood repair tech.. (score: 1)
Author: "k7rdx" <>
Date: Sun, 8 Apr 2007 19:26:46 -0700
This is kind of off subject for the amps group but: Does anyone know of a Kenwood tech in the Northwest (Wash..Oregon area)? I have a TS-950SDX With a few minor issues...Tnx in advance and pse reply
/archives//html/Amps/2007-04/msg00035.html (6,256 bytes)

76. Re: [Amps] 30S1 (score: 1)
Author: "k7rdx" <>
Date: Wed, 11 Apr 2007 07:40:12 -0700
And we all wondered why in JA(&elsewhere) Collins is highly sought after and collectable...Has to be more than that "Cool" wing emblem...Jim.. -- Original Message -- From: "Bill L. Fuqua" <wlfuqu00@u
/archives//html/Amps/2007-04/msg00079.html (7,922 bytes)

77. Re: [Amps] OT: TVI (was: ceramic capacitor ratings) (score: 1)
Author: "k7rdx" <>
Date: Sun, 15 Apr 2007 11:03:13 -0700
I didn`t have any such problem when I was a kid living at home playing radio in my parents attic...They were Plymouth Bretheren (Like Quakers) and a tv set was not allowed in their home...Lucky for m
/archives//html/Amps/2007-04/msg00140.html (9,235 bytes)

78. Re: [Amps] HF-2000 amp problem? (score: 1)
Author: "k7rdx" <>
Date: Mon, 16 Apr 2007 06:54:49 -0700 _______________________________________________ Amps mailing list
/archives//html/Amps/2007-04/msg00165.html (9,268 bytes)

79. Re: [Amps] Tank circuit Q (score: 1)
Author: "k7rdx" <>
Date: Mon, 16 Apr 2007 16:35:20 -0700
Hey Carl,we all know how to get things close with the formulas....Some folks just like to hammer things to death...Practical building/tuning experiance rules because every brewed amp is diffrent...I
/archives//html/Amps/2007-04/msg00175.html (11,991 bytes)

80. Re: [Amps] Dumb question (score: 1)
Author: "k7rdx" <>
Date: Mon, 23 Apr 2007 17:34:17 -0700
Or:Nearly obsolete stuff...K7RDX.. -- Original Message -- From: "Jiri Culak" <> To: "'Paul M Dunphy'" <> Cc: <> Sent: Monday, April 23, 2007 4:1
/archives//html/Amps/2007-04/msg00240.html (8,032 bytes)

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