#31
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By the time I took my high school electronics training in the early 80s. our donation area in the classroom was well populated with them. However, even then I remember specifically wanting to work on those just because they seemed more interesting than the other almost as old rectangulars which I had no interest in. I still think there is more to this than nostalgia really. I mean how many people want their first touch tone phone or cell phone back? Or their first computer for that matter. I think a lot of us have some training in electronics and simply enjoy the challenge of getting an old TV or radio going again and preserving it for whatever reason. That would sort of explain me, but I have never been able to explain even to myself the love of TV and radio in some cases much older than I am. It just comes naturally.....
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"Face piles of trials with smiles, for it riles them to believe that you perceive the web they weave, and keep on thinking free" |
#32
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I wasn't around when roundie CRTs were being made, I really wasn't even around when vacuum tube sets were being produced, everything was pretty much solid state when I was born in Feb of 1978.. My mother had a cheap B/W tube set when I was a baby, it's in a picture somewhere I believe.. But she said I use to go in the back of the set and mess with the knobs.. I may have even broke the set LOL.. But there is something about roundie and old sets I really like.. I like them from the beginning to the early 80s, when they started to become digital, I didn't care for them... I do like some of the early digital Zeniths with the digital tuners and green display readout, which I have one of those sets.. But I remember always wanting a color roundie as far back to the late 1990s when I got my first B/W roundie I believe from that guy that owns this site: http://www.vintagetvsets.com/ pretty sure it was this site or maybe someone related to it, I remember viewing that site in 1998, or 99.. It really looks no different.. But it was a guy out of Long Island New York.. I never recall ever seeing a color roundie working as a kid, and all TVs I saw in the junk back in the 80s were early rectangular sets.. Web surfing in the late 1990s and seeing actual pictures of color roundies actually made me want one, and it was only up until about 3 years ago until I saw one operating in person...
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Looking for an all tube or hybrid color TV set from the late 1960s, early 1970s that's in a steal cabinet.. |
#33
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We always had a color set when I was growing up, but I didn't have access to it most of the time (now the Electrohome is totally mine, haha). I had a small B&W set which I hated, so it was still a big deal to me to get my first color set. I wouldn't want that particular model back though, they were becoming BPC by the time that was made. |
#34
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Two years ago, I was able to find the exact same color set as the one I purchased in 1966. Even the same cabinet. I had long ago disposed of it as junk, but now at my age, I searched until I found the same exact set. It was not that I thought it was superior, just the nostalgia of possessing the first color set you owned. After that, I really wanted to find an RCA CTC 5 to go back as far possible to the very first sets. On the way to that search, I found a beautiful 1964 RCA CTC 15 roundie. To put it another way, for me, it's similar to wanting to find a 1963 Pontiac GTO, the very first muscle car and I was just old enough to drive and wanted one badly. That car is not a better car then today's car, but it's all about the nostalgia. From reading these forums over the years, I think most here, get enjoyment from the challange of repairing these old sets. I'm not good at repair, so always try to find good working examples. Been lucky so far, takes patience. Love the nostalgia. As to the micro televisions I collect, that's another story. :-)
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Personal website dedicated to Vintage Television https://visions4netjournal.com |
#35
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B-T agile modulator into both a 55 inch LCD and my CT-100. There is a comparison. The colors are exceedingly close. The LCD has, in its normal settings, excessive contrast for film, while the CT-100 is correct. This can be adjusted out on the LCD set. The resolution is not exactly the same. The overall resolution is similar, but the LCD has "sharpening" halos on it, the CT-100 none, and the LCD has a tad more real resolution. But very close. |
Audiokarma |
#36
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My test was comparing Ed Reitan's screenshot to the identical frame captured off my high end Sharp 70 inch calibrated LCD. My LCD model is now three years old. I could post unretouched photos to show what I mean when I say there is no comparison. I can do the same comparison test using a recently adjusted RCA CTC-15 with the LCD. The delta dot structure is much more noticeable on the CTC-15 than the Quatron pixel structure which has 25% more pixels than a standard LCD. It is not as bright. My CTC-15 was adjusted by a retired RCA color technician, but not professionally calibrated. Still the colors do look very accurate. When the two screenshots of an identical frame are captured from the RCA CTC-15 and the LCD, there is just no comparison in terms of brightness and resolution. The controls for this test are that both sets are in almost total darkness, only the screen light is imaged and captured and the camera is set on auto exposure.
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Personal website dedicated to Vintage Television https://visions4netjournal.com |
#37
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Seeing "Colored TV" was a BIG DEAL when I was a tadpole.. Nobody had one here in Greater Bugtussle, you had to go to the "Big City" to see one, usually in a store. We had some relatives who had one, in Kingsport, & once we went up there to see it, on a Sunday afternoon. There was a football game on, & the men kept goin' on & on about how GREAT it was, but I just didn't see it. It was a green-painted metal cased RCA set, a roundie, & I guess it was 1964, '65 or so.
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Benevolent Despot |
#38
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ok,heres my take on the question.i saw the picture on the first color sets.the 15 inch models and i was amazed.the 19 and 21 inch sets were bigger but the picture wasnt better.still.to a youngster,amazing.nothing exciting for a few years and then the coming of the zenith color sets.never had i seen a picture so bright,clear,sharp and colorful.truly,the finest picture on a roundie.rca later released the ctc15 which was very close to the zeniths in quality.the rectangulars came out and though the picture was good,just didnt stand up to the aforementioned sets.the next huge improvement was the zenith chromacolor sets.whether hybrid or solid state,those sets are still acclaimed as the best ever.the coming of the great sylvanias,hybrid and solid state with the famous 25vdmp22 crt was the very last hurrah for the delta gun sets.all in all,the zenith roundie in my opinion was the most beautiful picture i had ever saw on a crt set.maybe it was the era or maybe it was just my youth but that set was exciting.
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#39
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It was NOT just you....I still have fond memories of my 25MC33, seeing shows like "the spy who loved me" 2001", Dark star", Caddyshack", Airport 79" Coma", "You only live twice"...along with a LOT of mission impossible episodes and such. ... and MANY others--for about a year--on that wonderful set. It was OTA only, and only a few channels. BUT what we had ...just looked SOOO good !!
Zenith claimed they "had something different and special" in their roundie set--from the 29JC20 on...IMHO....they DEFINITELY did !! |
#40
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Age group does have something to do with it.. But there are people like me that are one of the younger that like the old sets before our time..
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Looking for an all tube or hybrid color TV set from the late 1960s, early 1970s that's in a steal cabinet.. |
Audiokarma |
#41
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__________________
Just look at those channels whiz on by. - Fred Sanford |
#42
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__________________
Just look at those channels whiz on by. - Fred Sanford |
#43
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Zeno is that the video out screen decoupler? I see a 2uf on the 160v line that feeds the video out screen (ctc-12)
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#44
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The cap you mentioned in a CTC12 (and earlier chassis) is bypass on the 6AW8/6LF8 screen grid and causes weak sync in borderline cases
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"When resistors increase in value, they're worthless" -Dave G |
#45
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ah, I see.
I have been chasing an issue where some brightness like a title in white causes a drop in overall screen brightness. Some how I got Zeno response tied up with that. |
Audiokarma |
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