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141. [AMPS] FS: B&W Coil Stock (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 23 Mar 2001 14:33:58 EST; ** B&W Air Dux coils ** These are all somewhat tarnished NOS partial lengths, unless noted otherwise and some miniductors (lighter construction) All of the above plus shipping, if necessary, naturall; /archives//html/Amps/2001-03/msg00220.html (7,744 bytes)
142. [AMPS] Transformer ++ (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 25 Mar 2001 11:57:11 EST; Hi Alex, I've been there with both SCR's & FET's -- at the 2 KW level. The line side filtering is greatly eased (also the power factor!) if one uses a modern PFC (Power Factor Correction) input stage; /archives//html/Amps/2001-03/msg00251.html (9,094 bytes)
143. [AMPS] Transformer ++ (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 25 Mar 2001 11:57:11 EST; On Sat, 24 Mar 2001 21:57:27 -0500 "jeff millar" <jeff@wa1hco.mv.com> writes: Hello Jeff & Alex, This a more interesting topic than those old parasitic suppressors! hefty You could get by with just o; /archives//html/Amps/2001-03/msg00252.html (9,203 bytes)
144. [AMPS] Transformer ++ (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 25 Mar 2001 16:30:58 EST; Hi Alex, Not personally but, a friend of mine made an 8KW thing for a Solid State Tesla Coil late in the last millennium -- that was back when one had to parallel four IRF450's per leg of a bridge dr; /archives//html/Amps/2001-03/msg00258.html (11,115 bytes)
145. [AMPS] Transformer ++ (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 26 Mar 2001 19:13:48 EST; Hi Alex, expedient... Ahhhhhh... would an elephant even notice an extra 200 lbs? arises for The switcher should cost less than just one of those RF FETs that you mentioned initially. My vote is for t; /archives//html/Amps/2001-03/msg00273.html (8,996 bytes)
146. [AMPS] SK640 at VHF? (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 29 Mar 2001 09:51:41 EST; that Hi Chris, Eimac makes (or made?) a separate capacitor assembly, the SK-655, that should be useable with your socket. EF Johnson has (or had?) a similar part, 124-113 if memory serves, that also; /archives//html/Amps/2001-03/msg00290.html (8,005 bytes)
147. [AMPS] FS: Old Radio Books & Equipment manuals (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sat, 03 Feb 2001 10:59:27 EST; ** Old Radio Books & Catalogs ** RCA HB-3 Tube Handbook Loose leaf 6 ring binder style data sheets starting in the late '40's with additions and updates through October 1966. Sepatate sections cover; /archives//html/Amps/2001-02/msg00083.html (14,117 bytes)
148. [AMPS] FS: Parts & Equipment that may be of some use in or around Amplifiers (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sat, 03 Feb 2001 10:59:27 EST; ** Test Equipment -- all functional!! ** Bird 43 (or similar) RF Wattmeter plug-in elements: 50W, 100-250 MHz -- $40 1000W, 2-30 MHz -- $60 Data I/O Unipack 2, PROM progamming fixture for 29A/B progr; /archives//html/Amps/2001-02/msg00084.html (18,398 bytes)
149. [AMPS] FS: Chassis Punches (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 04 Feb 2001 15:37:46 EST; Chassis Punches (used) 9 piece Greenlee collection: 5/8, 3/4, 7/8, 1, 1-1/16, 1-1/8. 1-1/4, 1-3/8, 1-1/2" -- $100 all Greenlee & Pioneer: 5/8, 3/4, 7/8, 1" -- $10 ea ... plus shipping, if necessary,; /archives//html/Amps/2001-02/msg00104.html (6,881 bytes)
150. [AMPS] FS: Small Variacs (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 06 Feb 2001 18:27:49 EST; with apologies to General Radio, these are made by Superior Electric. In case anyone wants to transfer the heater/filament voltage adjustment discussion into practice, I have some variable transforme; /archives//html/Amps/2001-02/msg00160.html (7,269 bytes)
151. [AMPS] Roller Inductors vs. Bandswitches ... which is best? (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 06 Feb 2001 23:03:27 EST; Hi Theo, final for the and Rollers work great. And they do seem to be the military HF amplifier's preferred component in this application. coil, That's a good approach, too. Perhaps, better in the ol; /archives//html/Amps/2001-02/msg00167.html (11,545 bytes)
152. [AMPS] ?: Rockwell Collins HF-8064B preselector (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 07 Feb 2001 11:36:40 EST; Hi, Does anyone on the group happen to know the remote control data format & pinout of the 55 pin interface connector for a Rockwell Collins HF-8064B preselector, a part of the HF-80 radio system? Or; /archives//html/Amps/2001-02/msg00177.html (7,090 bytes)
153. [AMPS] FS: Ceramic Doorknob & Disk caps (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 11 Feb 2001 19:20:27 EST; FS: Ceramic Doorknob & Disk caps These are all made by Sprague, they are either NOS or little used. (Large) Doorknob style $15 ea 4000pF 30KV 3600pF 30KV 2500pF 30KV 2400pF 40KV 2000pF 30KV -- These; /archives//html/Amps/2001-02/msg00231.html (7,430 bytes)
154. [AMPS] FS: Roller coils & dials (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 21 Feb 2001 12:59:59 EST; ** Roller Coils ** B&W 3853 72 uH NOS but, a mite tarnished from age. $60 Johnson 229-203 28uH used one good, one fair condition. $100 both 229-202 18uh used good, $50 La Pointe L-0201 406-1 (identic; /archives//html/Amps/2001-02/msg00290.html (7,131 bytes)
155. [AMPS] FS: B&W Air Dux coils (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 21 Feb 2001 12:59:59 EST; ** B&W Air Dux coils ** These are all shiny NOS, 10" lengths, unless noted otherwise center. NIB $25 and a couple of miniductors (lighter construction) soldered $20 and a couple of Illumintronic Engi; /archives//html/Amps/2001-02/msg00291.html (8,404 bytes)
156. [AMPS] Band Pass Filters for Solid State Amplifiers (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 03 Jan 2001 12:48:55 EST; that or not Hi Jim, Yes, the parts do indeed "grow" at those power levels. I looked at the same problem with my transistor KW, under construction, and came to the conclusion that is was just going to; /archives//html/Amps/2001-01/msg00099.html (8,817 bytes)
157. [AMPS] NEED ZENER VALUES (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 08 Jan 2001 23:27:10 EST; times much Hi Mike, 1.5 Watts... guess you are looking for a 5 watt part; try a 1N5342B 73, Marv WC6W * ________________________________________________________________ GET INTERNET ACCESS FROM JUNO!; /archives//html/Amps/2001-01/msg00304.html (7,290 bytes)
158. [AMPS] Care and Feeding of fragile egos (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 08 Jan 2001 23:27:09 EST; On Mon, 8 Jan 2001 10:51:52 -0800 "J. Bradshaw" <ac6tk@cybertime.net> writes: Just for historical accuracy... Bill dropped out of school to co-author a Basic interpreter for the Altair system in... 1; /archives//html/Amps/2001-01/msg00305.html (10,352 bytes)
159. [AMPS] Care and Feeding of fragile egos (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 09 Jan 2001 00:19:43 EST; Well... that concept he appropriated from Apple which had previously borrowed it from Xerox PARC. The great invention of Microsoft is something once thought to be impossible. They have managed to des; /archives//html/Amps/2001-01/msg00307.html (10,572 bytes)
160. [AMPS] ?: Elec-trol Reed Relay Specs (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 09 Jan 2001 12:57:57 EST; Anyone happen to have the specs handy for an Elec-trol model 702-2 Reed Relay? It is a 12 VDC DPDT. I just need to know the contact carry (not switching) rating. A Newark catalog from the mid-80's wi; /archives//html/Amps/2001-01/msg00322.html (6,967 bytes)

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