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References: [ +from:k7rdx@charter.net: 219 ]

Total 219 documents matching your query.

141. [Amps] YL-169 Eimac tube (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Tue, 22 Jul 2008 09:24:34 -0700
Does anyone have any data for YL-169 Eimac? Tnx..Jim..K7RDX.. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2008-07/msg00200.html (6,239 bytes)

142. Re: [Amps] Bill Orr comment (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Thu, 24 Jul 2008 08:49:10 -0700
Lou: I recall my experiances with 4-1000`s when I ran them in the 70`s&80`s...It was relatively easy to get at least twice the power output per dissipation rating, and a single tube could be pushed t
/archives//html/Amps/2008-07/msg00226.html (10,926 bytes)

143. Re: [Amps] Building an Amp, Selecting a Tube (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Sun, 27 Jul 2008 08:15:02 -0700
Medical pulls 8877`s,etc.can be bought from "The tube man"Richard Hale.. 850-386-2729 email: thetubeman@earthlink.net.I purchased a YU-209 (8877)for around 300.00...Very good tube,fast service..Jim,K
/archives//html/Amps/2008-07/msg00292.html (10,036 bytes)

144. Re: [Amps] 8877 Advice (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Thu, 31 Jul 2008 08:33:03 -0700
High voltage testing is excellent advice and especially for the large tube pulls that are unknown,or any high voltage component,vacuum variables,vacuum relays,diodes,even doorknobs.Trying an unknown
/archives//html/Amps/2008-07/msg00368.html (12,921 bytes)

145. [Amps] YC-156 (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Sat, 23 Aug 2008 08:13:02 -0700
Has anyone constructed a pair of YC-156`s for 80&160? I would be interested in details concerning cathode matching network,effects of feedthru capacitance,etc..Pse reply direct if interested..Thanks.
/archives//html/Amps/2008-08/msg00126.html (6,245 bytes)

146. [Amps] Parts for sale (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Mon, 25 Aug 2008 10:54:25 -0700
Cancelled project,am offering these primo parts for sale: New PWD Hypersil plate transformer,220-240 primary/2650 secondary at 1.5 amps ICAS,weighs 46 lbs.Never installed..400.00.. WD7S HV-2 high vol
/archives//html/Amps/2008-08/msg00138.html (6,778 bytes)

147. Re: [Amps] Parts for sale (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Tue, 26 Aug 2008 18:49:32 -0700
All the parts except the meters have been sold...Thanks everyone for all the inquiries..Jim..K7RDX. -- Original Message -- From: "k7rdx" <k7rdx@charter.net> To: <amps@contesting.com> Sent: Monday, Au
/archives//html/Amps/2008-08/msg00142.html (8,172 bytes)

148. [Amps] SK-306 (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Thu, 4 Sep 2008 16:35:59 -0700
Looking for an SK-306 chimney,anything in repairable condix,etc..ok..Thanks..Jim..K7RDX.. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting
/archives//html/Amps/2008-09/msg00019.html (6,104 bytes)

149. Re: [Amps] Parts Begging not really begging just asking (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Fri, 5 Sep 2008 09:24:31 -0700
-- _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2008-09/msg00022.html (9,865 bytes)

150. Re: [Amps] GI-7b issues (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Tue, 9 Sep 2008 13:02:44 -0700
Best solution would be to convert to a liquid cooling system or build coolers similar to GS-35b style copper radiator. The 7b coolers have casting air pocket flaws and the taper doesn`t always match
/archives//html/Amps/2008-09/msg00089.html (10,463 bytes)

151. [Amps] Vac relays/vacuum capacitor for sale (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Tue, 9 Sep 2008 13:17:30 -0700
I have three vacuum relays surplus to my needs: #1 Kilovac HC-1spdt,26vdc coil, very clean,hipot tested well beyond ratings...Dolinco&Wilkens 500 mmf/10,000vdc fixed value vacuum capacitor with flang
/archives//html/Amps/2008-09/msg00090.html (6,988 bytes)

152. Re: [Amps] Vac relays/vacuum capacitor for sale (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Wed, 10 Sep 2008 08:04:04 -0700
The HC-1 has been sold,all other parts are still availiable...Thanks for the inquiries,Jim..K7RDX. -- Original Message -- From: "k7rdx" <k7rdx@charter.net> To: <amps@contesting.com> Sent: Tuesday, Se
/archives//html/Amps/2008-09/msg00104.html (8,065 bytes)

153. Re: [Amps] 1/4" shaft connectors (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Fri, 26 Sep 2008 21:15:00 -0700
Hey Colin,you must be a "Reverse Ham" you know how tight the majority of hams are,not wanting to spend a dime for something they can con for free..Now if you would just tighten up a whee little bit..
/archives//html/Amps/2008-09/msg00225.html (10,584 bytes)

154. Re: [Amps] Amplifier Input Circuit Consultation (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Thu, 23 Oct 2008 12:47:24 -0700
A pair of 4-1000`s in gg (screens,grids grounded) cathode impedance looks close to 50 ohms but still needs pi tuned input networks for each band. I did this way back in the early 70`s and an impedanc
/archives//html/Amps/2008-10/msg00100.html (10,459 bytes)

155. Re: [Amps] SB-200 on Six Meters (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Wed, 5 Nov 2008 13:52:09 -0800
Lou,W1QJ converts Heath amps for 6 meters,does a nice job and he`s a good guy too...I have seen his work and I wouldn`t be a bit surprised if he would offer some free advice...Or: Get him to do the c
/archives//html/Amps/2008-11/msg00031.html (9,177 bytes)

156. Re: [Amps] PROBLEM WITH HUM (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Mon, 10 Nov 2008 12:49:13 -0800
The YC-156 will not work with conventional center tap B-.B- needs to be brought to the cathode seperately thru an rf choke similar to 8877 designs.Using center tap connection will cause filament modu
/archives//html/Amps/2008-11/msg00098.html (8,453 bytes)

157. Re: [Amps] PROBLEM WITH HUM (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Mon, 10 Nov 2008 13:31:13 -0800
I understand that Jim...Just a trouble shoot for those who want to know...You,obviously don`t care...Jim..K7RDX.. -- Original Message -- From: "Jim Brown" <jim@audiosystemsgroup.com> To: <Amps@contes
/archives//html/Amps/2008-11/msg00100.html (8,441 bytes)

158. Re: [Amps] Nice looking 1.8 MHz amplifier (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Sun, 30 Nov 2008 09:52:40 -0800
Considering cost of components,labor&materials the price is not far out of line...If dealing with most of the ham population then I guess you might deem the price rediculous thou..This has been on Eb
/archives//html/Amps/2008-11/msg00260.html (8,086 bytes)

159. [Amps] Dud tubes rebuilders... (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Tue, 9 Dec 2008 06:06:01 -0800
Anyone know the best place to unload dud tubes with handles?I have a pair of YC-156`s to recycle..Tnx..Jim..K7RDX.. _______________________________________________ Amps mailing list Amps@contesting.c
/archives//html/Amps/2008-12/msg00169.html (6,543 bytes)

160. Re: [Amps] Dud tubes rebuilders... (score: 1)
Author: "k7rdx" <k7rdx@charter.net>
Date: Tue, 9 Dec 2008 14:21:53 -0800
-- _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2008-12/msg00180.html (9,336 bytes)

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