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#16
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whew done....
restuffed the last can cap (4 section shorty), replaced 4 power resistors (all out of spec, one was 100% out of spec). The only thing I did not do that I wanted was to replace the old diodes, and add a dropping resistor. The diodes are fine, but very old, and the B+ is high by about 20v (maybe just the increase in line voltage, plus my doublers are 147 vs 130, but that is just a guess). I will make up the new diode pair with a 2 ohm dropping resistor built in. The neat thing about it is the diode mount on the top of the chassis with female spade connectors, so I can do it with out pulling the chassis. I was also thinking about adding a thermistor to the B+ to slow the power up and let the tube come up to heat before the full B+ gets to them. I may put it in line with the switch to soften the blow to the switch, not sure about all that. I think the contrast has improved with the recap, I may be imagining it but I don't think so. I hope to get it setup in the living room, will then be able to watch TCM old movies from the 40's and 50's The Tingler The Blob Casablanca The day the earth stood still House on haunted hill (orig of course) The Haunting (orig again) Psycho The Foutain head High noon Sargent York Stalag 17 Invasion of the body snatchers Tarzan (all with the real Tarzan and Jane of course) just for starters TV Outer limits twilite zone andy griffith show you bet your life perry mason drag net wild wild west the munsters Gosh so much good stuff, yet very little of it on cable.... I would love to have an outlaw analog tv station with all the channels we have it is amazing the lack of good programming, and they don't even have to make new stuff just play the GREAT programming from back in the 30s-60's |
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