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news:qon2qBoLzSnd-pn2-2LMqmkgD9OtW@localhost... On Mon, 6 Mar 2006 16:36:00 UTC, "Rod" wrote: I'm working on a Hallicrafters S-38 and have already recapped the radio and even changed a few resistors that measured a bit high. I receive loads of stations on the standard broadcast band, but the radio is not nearly as sensitive on bands 2, 3, and 4. Anyone have some help with this one? Perhaps an alignment would do the trick? Or is there something else? Any help would be appreciated. Thanks. I am in the process of restoring two S-38's, a B and C model, in fact just got through painting the case and starting to clean the chassis. The radio has been recapped, but needs a new power cord. Should you replace old cloth covered wires with modern wires also? I am new to this so pardon my ignorance of the radios. I used to have one when I was in jr. high and high school and wanted one for the nostalgia. What else should one look for on the chassis to replace or clean/replace? Thanks Count Floyd (SCTV) was always a humorous character :-) Web sites for various S-38 restorations and information: Brian Ripley http://www.thes38guy.com/Page_1x.html Bob Piekarz - Original S38 cardboard backs (same original mfg) ! http://www.radioantiques.com/mall.html Bill Turner's replacement electrolytic (Bob Piekarz also sells these for Bill) http://www.dialcover.com/caps.html Stan Watkins http://www.stanwatkins.com/hals38.htm Phil Nelson http://antiqueradio.org/halli08.htm John's restoration http://www.schmitzhouse.com/Johns_Electronics_08.htm Just Radios - Capacitors (safety and others) http://www.justradios.com/ w9gb |
#12
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On 7 Mar 2006 08:53:15 -0800, "Rod" wrote:
Yeah, I know about basements and too much electricity. When I was a kid, I learned that if I played my electric guitar in the basement, I needed to wear shoes. Without shoes, just touching the strings on the guitar connected to my amp resulted in quite a shock. Same thing happened when working on the S-38. I always wear shoes when working with electricity in my basement. And I use one just one hand, keeping the other in my pocket. Anyway, still trying to track down why one radio is more sensitive than the other. Perhaps some of the tubes need to be replaced. Swap tubes one at a time starting with the one closest to the antenna circuit and see if the sensitivity 'moves' with one of the tube swaps. I have to admit it's not totally my original idea. Go here, scroll down and start reading: http://search.barnesandnoble.com/boo...playonl y=CHP After replacing questionable resistors, there has been no change. |
#13
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![]() "Rod" wrote in message oups.com... Well part of the my concern is that I'm working on another S-38 and using the same piece of wire for an antenna, it picks up stations much better and louder than the one in question. I'll get to the alignment this week and then go from there. Thanks to all. Rod Swapping tubes with the sensitive s-38 was also a good suggestion. Make sure the contacts on your bandswitch are clean. Frank Dresser |
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