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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: thanks guys, but this is a little different......... posted by Ray Moth on December 5, 2006 at 05:58:41:
....heats up more slowly than the others...or maybe it's that even though it heats up at the same rate, the B+ comes on softly, so cathode stripping doesn't occur anyway...
in either case, I see now - yeah, you're right, I don't need the delay.
Well, how about that - Heathkit knew what they were doing after all!!
Another great reason to use tube diodes, sure saves a lot of trouble. And gives better sonics. Well worth the voltage drop and filament current, I think.
Thanks for the caution about the cathode ending up at B+, good reminder.
best, charles
"It ain't a comeback until it's left the shop" Jimmy Dunne, the first man to drive a VW Beetle faster than 200 mph, and he has the forehead scar to prove it; I will always honor him for taking a chance on me when I wanted to be an engine mechanic.
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Follow Ups
- Thanks, Ray, I didn't realize the rectifier tube.... - radiance 11:23:49 12/05/06 (6)
- 5V4 vs 5AR4 and cathode stripping... - Steve O 18:42:52 12/05/06 (0)
- I didn't read the whole post but.... - Russ57 12:00:46 12/05/06 (4)
- Cathode stripping - an urban legend? - Ray Moth 19:04:36 12/05/06 (3)
- Re: Cathode stripping - an urban legend? - radiance 19:31:57 12/05/06 (2)
- It has long since been settled - Russ57 09:55:17 12/06/06 (1)
- OK, if that's true, then you're right. First time I've heard it. (nt) - radiance 10:01:53 12/06/06 (0)