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Old 07-31-2013, 11:45 AM
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DavidGoncalv DavidGoncalv is offline
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WTB: Good 10BP4

The CRT from my Admiral project has gone from bad to worse - let it cook at 6.3V overnight, with further degradation well into the BAD range.

Got one to spare for an otherwise good set?
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Old 07-31-2013, 04:55 PM
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oldtvsandtoy oldtvsandtoy is offline
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10bp4

Did you see what the last on went for on ebay?

http://www.ebay.com/itm/RCA10BP4B-pi...:B:WNA:US:3160
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Old 07-31-2013, 05:25 PM
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Not sure how I got here.
 
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I would like to add a few dozen 10BP4's to my 401K please...... At least I know they'll go up in value....
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Old 07-31-2013, 06:06 PM
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bandersen bandersen is offline
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Quote:
Originally Posted by oldtvsandtoy View Post
Did you see what the last on went for on ebay?
Yes, he did - he was the first to bring it up. How does your mentioning it again help his cause ?
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Old 07-31-2013, 06:32 PM
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It does not help his cause at all. Just letting him know people on here might be asking a ton for one. It might be better to look on craigslist for a junk old 10" tv. Thats how I get the picture tube I sold.
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Old 07-31-2013, 10:59 PM
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DavidGoncalv DavidGoncalv is offline
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Yeah, I saw that auction. I bid on it too, and even the crazy bid I put on it was not enough. I'd rather not go out and get another set just to junk it for the CRT except as a last resort. Just hoping somebody here had a spare that they didn't see a future need for.
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Old 08-01-2013, 12:00 PM
kramden66 kramden66 is offline
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what happens if you run it with a brightner ? if you can some use out of it with one attatched its better then no use , i have seen a couple sets where the 10bp4 without a brightner the thing doesn't go up much and stays in the bad but when in the set running it shows an image , you have to turn the contrast up really high but you can get a watchable image out of it
i normaly let them sit at 7 or 7.5 volts or maybe 8 volts but don't do it overnight , for a hour or so.

mike
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Old 08-01-2013, 02:38 PM
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Einar72 Einar72 is offline
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David, I wish I could find the 10BP4 I pulled out of that same Admiral I destroyed the cabinet of back in the 80's, I'd send it to you for just the cost of shipping. I'm looking for an 8BP4 myself...
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Old 08-01-2013, 02:59 PM
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DavidGoncalv DavidGoncalv is offline
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If worse comes to worse, might do the brighener route - but it is hard to justify doing a restoration with such a poor tube. I might just put this one aside until I find a good tube, and learn the lesson of checking tubes when getting a new set.
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