#1
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My new RCA CTC-25!
I have literally been awake for 22 1/2 hours as of right now, but it was worth it. I got to go to the SARS swap meet, get some goodies, which I will show later on, and after that, went to collect my RCA GH-759F. Beautiful cabinet, one of my favorites. As usual, we had to take it totally apart to get it home, and I just got it set back up a few hours ago. More to come. I'm exhausted.
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"If you wish to make an apple pie from scratch, you must first invent the universe." -Carl Sagan |
#2
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Noice.
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#3
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Boy, either that set was kept in an immaculately clean environment or someone did an excellent job of dusting it's insides.
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#4
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Yep, it's nice and clean, just the way I like it. I'm sure my friend Danny cleaned it up when he got it. It had a rebuilt picture tube, but we took that out, and I put in a 1969 RCA Hi-Lite tube.
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"If you wish to make an apple pie from scratch, you must first invent the universe." -Carl Sagan |
#5
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Quote:
Also the first picture on your thread seems like sacrilige having a Zenith Radio ontop of an RCA TV. FYI, I'm just kidding around by the way I hope you got that. |
Audiokarma |
#6
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Ain't my cat. Mother paid $1300 for it. That's more than my car cost. Just got an email from the friend who gave me this, and he said that the Beauchamp has not been out of his basement since the mid 1980's. He told me that he bought the set from an ad in the paper in 1976, and that it was being sold because it had a bad CRT. He put in a different CRT and sold it to a high school friend who was getting married. When buyer got divorced several years later, the ex kept the set for several more years until it was replaced by a solid state set, and my set went back to Danny (my friend) and has been in the basement ever since.
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"If you wish to make an apple pie from scratch, you must first invent the universe." -Carl Sagan Last edited by TUD1; 02-19-2017 at 02:24 PM. |
#7
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Wow! Anyways I hope you were able to get my joke either way.
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#8
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There's a fault condition endemic to those sets that you're probably aware of already. If not, it's the two ground stakes on the far right end of the chroma board which go open and kill the heaters on the 6GU7s. They need to be re-flowed, and this should be routine on every CTC-12, '15, '16, '17 or '25 you ever run into.
What happens is - (since the 6GU7 plates are DC-coupled to the CRT grids), the plates go too positive, driving the CRT grids positive, which runs the beam current full-on, overloading the snot outa the 3A3, flyback etc. Symptoms are - raster blooms, loses focus, then fades out completely. |
#9
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I cleaned the Beauchamp today. Gojo'd the entire cabinet (and it has a lot of cabinet), and used Novus on the mask, and it turned out absolutely beautiful. The picture doesn't do it justice. And I'm using my good camera.
__________________
"If you wish to make an apple pie from scratch, you must first invent the universe." -Carl Sagan |
#10
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Unfortunately, the audio in the Beauchamp just died. I turned it off to leave the room (Incase something broke while I was away) and when I got back, I turned it on, and I heard a loud 60 Hz thump, and that was it. Dead silent after that. Probably the audio out transistor.
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"If you wish to make an apple pie from scratch, you must first invent the universe." -Carl Sagan |
Audiokarma |
#11
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Yup. Very common failure on those. Also there's an electrolytic which fails, causing low volume. IIRC, it's in parallel with a low-value resistor going to the emitter.
BTW, congrads on snagging a very nice set. |
#12
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Very nice! I had a nearly identical CTC-25, back in the early '70's!
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[B]"Bee care-eh-full to don't broke thee pic-sher tee-yube!" :-) |
#13
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I had the identical set in 2012. In all fairness, it had not led a charmed life. The thing had no end of problems and would blow 6GH8s left and right. Ended up parting it out....hated to do it, but the set hated me.....
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"Restoring a tube TV is like going to war. A color one is like a land war in Asia." |
#14
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We were a sales/service dealer and sold a boatload of '25s. Biggest beef with 'em was the chincy channel selector/indicator/fine tuning setup. They didn't eat 6GH8s nearly at the rate of the 'short chassis' CTC-19, 20 and their follow-ons.
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#15
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Replaced the audio output transistor and now the audio is back.
__________________
"If you wish to make an apple pie from scratch, you must first invent the universe." -Carl Sagan |
Audiokarma |
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