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Total 421 documents matching your query.

181. Re: [Amps] Quick 220 outlet? (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Tue, 8 Feb 2005 17:51:24 -0500
Gents, So many recent comments about testing voltage with fingers and other body parts on this reflector scares the bejesus outa me. Despite whatever stories anyone has ever heard about anyone else s
/archives//html/Amps/2005-02/msg00320.html (10,732 bytes)

182. [Amps] Coil Dope (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Fri, 11 Feb 2005 11:32:19 -0500
Sirs, While Q-Dope is clear and good-looking, and while the cyanoacrylates like super-glue afford short-term superior bonding I have found that Red-X Corona Dope , (GC Electronics part number 10-5002
/archives//html/Amps/2005-02/msg00428.html (7,431 bytes)

183. Re: [Amps] Ebay 4-400A chuckle (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Fri, 11 Feb 2005 17:55:47 -0500
Is it at all possible this tube still works? I see there are 4 bids on it already. Maybe these people know something......... How would all the guts tilt like that without the envelope shattering if
/archives//html/Amps/2005-02/msg00434.html (8,099 bytes)

184. [Amps] Degreasing Ceramic (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Mon, 14 Feb 2005 19:35:49 -0500
In the paragraph below do you actually mean trichloroethylene or do you refer to 1,1 Trichloroethane (Methyl Chloroform)? The former, trichloroethylene, smells completely different than the chlorofor
/archives//html/Amps/2005-02/msg00504.html (7,879 bytes)

185. Re: [Amps] 813 top cap cement (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Thu, 17 Feb 2005 17:58:05 -0500
Dear Guillermo, As this spot in the 813 is especially warm it might be a good idea to use high-temperature (Red) RTV Silicone. Barring that availability, Refractory cement or dental plaster will work
/archives//html/Amps/2005-02/msg00564.html (7,399 bytes)

186. Re: [Amps] which one? (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Thu, 17 Feb 2005 22:43:14 -0500
Q: A: Has the Heathkit been upgraded and/or modified to the latest improvements? (If you follow the SB-220 threads then you know that '220's are prone to a series of MTBF breakdowns that wise operato
/archives//html/Amps/2005-02/msg00574.html (7,310 bytes)

187. [Amps] Instant-On (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Wed, 23 Feb 2005 22:33:50 -0500
Not letting a tube amplifier go through a minimum warm-up cycle is like getting in your car on a brisk winter morning and instantly driving off on the interstate. I bet the guys at Richardson's and R
/archives//html/Amps/2005-02/msg00711.html (6,954 bytes)

188. [Amps] Shipping Damage (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Thu, 24 Feb 2005 09:27:10 -0500
There's a ham who's contacted me regarding damages inflicted upon his Alpha 77, (yet another one...), and has asked what people have done when U.P.S. destroys equipment. Perhaps your comments on ship
/archives//html/Amps/2005-02/msg00732.html (6,648 bytes)

189. [Amps] AL-1200 vs AL-1500 (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Thu, 24 Feb 2005 15:42:39 -0500
On Thu, 24 Feb 2005 13:14:18 -0500 Mike Manship <mjmanship@iquest.net> writes: My buddy got a call yesterday from someone who's building a dual tube 3CX20,000 and the guy wants to know if his 12 poun
/archives//html/Amps/2005-02/msg00776.html (8,344 bytes)

190. [Amps] Shipping Security (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Thu, 24 Feb 2005 16:18:22 -0500
Gentlemen, As most of you remember, in 2004 UPS destroyed a mint Alpha 77Sx and FedEx destroyed a brand-new Emtron DX-3 all within one month of one another. The settlement, including the letters to a
/archives//html/Amps/2005-02/msg00777.html (9,178 bytes)

191. Re: [Amps] Shipping Damage (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Fri, 25 Feb 2005 22:58:23 -0500
All, Just remember, it was a UPS Store, Inc., that screwed up the packing of the Alpha 77Sx. This is after UPS, Inc., suggested the shipper to bring the amp to the UPS Store to pack and ship it. Plea
/archives//html/Amps/2005-02/msg00845.html (11,075 bytes)

192. Re: [Amps] shipping damge (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Sat, 26 Feb 2005 23:38:36 -0500
Dear Eric, My experience at having over ten thousand dollars of precious amateur amplifier gear destroyed through no fault of my own, coupled with the experience of having to seek legal redress to co
/archives//html/Amps/2005-02/msg00879.html (8,221 bytes)

193. [Amps] Reliable Shipping (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Sat, 26 Feb 2005 23:58:48 -0500
I'm debating using my Dodge Diesel with full tool box camper and three layers of floor protection as a custom equipment delivery service. Has any one of us tried this gig? Do you think it would be wo
/archives//html/Amps/2005-02/msg00880.html (6,724 bytes)

194. Re: [Amps] Magnet wire stripper (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Sun, 27 Feb 2005 20:54:12 -0500
There's another easier way to get rid of that pesky varnish: A Bic butane lighter and a wee bit o' ScotchBrite. Heat the wire until the enamel smokes and fires off. Be careful to not sniff too much s
/archives//html/Amps/2005-02/msg00918.html (10,151 bytes)

195. Re: [Amps] Is ALC necessary (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Sun, 27 Feb 2005 21:14:31 -0500
Q: A: (Opinionated like all Hell); No. It's not necessary and you can still operate cleanly and efficiently. However, when spending $2,800 on a set of tubes and knowing that ALC might just one day sa
/archives//html/Amps/2005-02/msg00919.html (6,853 bytes)

196. Re: [Amps] Fingerprints on 3Z500 tubes (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Mon, 28 Feb 2005 18:33:01 -0500
Dear Jan, Wash your hands very well and rinse them with vodka rubbing alcohol to get rid of oils. Then spray the tubes with an ammonia-based window cleaner like Windex(tm) and follow up with alcohol
/archives//html/Amps/2005-02/msg00933.html (7,203 bytes)

197. [Amps] Alpha 77 Filaments (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Fri, 4 Mar 2005 13:07:48 -0500
In order to "beef up" the 160 meter performance of the Alpha 77SX amplifier a number of changes occurred in the upper and lower RF decks that are pertinent to the thread. 1. The complete filament sup
/archives//html/Amps/2005-03/msg00059.html (8,208 bytes)

198. Re: [Amps] FL-7000 ATU memory (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Sat, 5 Mar 2005 20:37:37 -0500
Dear Marcio, It sounds like the lithium backup battery has discharged and needs to be replaced. Hal W4HBM _______________________________________________ Amps mailing list Amps@contesting.com http://
/archives//html/Amps/2005-03/msg00131.html (7,001 bytes)

199. [Amps] water and vapor phase tube cooling (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Sat, 5 Mar 2005 20:48:52 -0500
I had an opportunity to work with ethylene glycol industrial coolant while up in New Hampshire, and everything was dandy until the system leaked. What I didn't know about industrial ethylene glycol w
/archives//html/Amps/2005-03/msg00134.html (7,385 bytes)

200. Re: [Amps] water and vapor phase tube cooling (score: 1)
Author: "Harold B. Mandel" <ka1xo@juno.com>
Date: Mon, 7 Mar 2005 21:35:13 -0500
dear Joe, The fluid was clear, and smelled a lot like alcohol. That's why neither of us who were up to our elbows were overly concerned. Hal _______________________________________________ Amps maili
/archives//html/Amps/2005-03/msg00204.html (7,810 bytes)

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