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Old 04-13-2013, 10:49 AM
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zenithfan1 zenithfan1 is offline
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CTC 7 Anderson from Topeka Kansas

This is the CTC7 that was for sale in Topeka with that collection of sets that Alan was gracious enough to share with us. I discovered his post about those sets 4 minutes after it was posted. I just happened to scan VK on my break and got lucky, a 5 year search for a nice, affordable 7 was over and I wasn't even looking anymore. It seems when I do that, things just happen out of the blue.

I had it shipped with U-Ship and the shipper is a nice guy but was a little uninformed about moving vintage tvs and somehow the legs gave out on the way here. Well, as we all know sh*t happens and you just have to get over it. With all that going on with the set I put the 11's on a hold until I at least get this cabinet done. It bugged the crap out of me being messed up so I spent the entire weekend repairing it. I didn't want it to break more or lose any of the little wood pieces. The legs turned out perfect, you can barely tell anything happened. I was worried that it may not be strong enough anymore so at work I took a similar sized piece of wood as the main support in the back and spit it with a chisel similar to the broken wood at home. I glued it with Titebond wood glue and let it dry for only a few hours and I had to destroy it with a hammer to break again, it spit in a new place. This made my worries go away. I really didn't want to add wood and make it obvious of a repair, looks like all the original wood will stand the test of time for many more years. When I move, I'm taking the legs off to move this thing just to be safe. I'm also repairing the damaged printed finish, some scratches were there, some are from shipping but altogether the cabinet looks good with the printed finish so I will save it until it peels off and I have to veneer it like Nick did on his beautiful Anderson he lent to the museum. The method of repair I'm using is dark red, black, and brown model paints and I am mixing them to achieve the various shades in the finish. Most of the reddish brown is repaired and now I'm putting the blackish brown grain stripes on the larger areas of repair to blend them in. I also fixed a few spots with red Mahogany stain. The bottom edge of the cabinet and the bottom of the strip of wood above the speaker, so now the wood all around the speaker grille looks nice again. The grille cloth is perfect, I originally thought strings were pulled loose but it turns out they were threads hanging and got pinched under the board and the ends were hanging out in the front. I trimmed all the crap off and it fit back in perfect and looks new.
I will start on the chassis restoration after I get the 11's sorted out better. I powered this one up slowly and was greeted with a full, bright raster. I touched up greyscale just by eye and watched a decently converged color picture for about an hour. The cans stayed cool but they will be re-stuffed anyway. I checked the 21CYP22A CRT and it was already wide awake with NOS like emissions and infinite life test on all three guns, had to turn the heater down to 3v to get a drop. It was installed by a shop in Topeka in 1965. I'll post a pic of the receipt and paperwork for the CRT later, don't have a pic of it now. It was $145 dollars to get that done, 12 bucks labor. I think its funny that the tech that filled it out lists the tube as a "21CYP4" P4 is black and white phosphor! LOL!
Here are some before and after pics of the cabinet so far:











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Last edited by zenithfan1; 04-13-2013 at 10:58 AM.
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Old 04-13-2013, 09:43 PM
joemama99 joemama99 is offline
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Nice work Mark,that came out really nice.I'll bet the sound is good looking at that speaker system.
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Old 04-14-2013, 10:32 PM
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Hey Mark,

Nice find. Having a good crt is a real plus. Also looks like a really solid repair job.

-Steve D.
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Old 04-15-2013, 12:44 AM
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Nice work. Good luck with the rest of your project.

I had to chuckle when I spied that other set sitting in your workspace. My CTC-7 is currently sitting in one end of my workshop, while I figure out where to put it in the house. I keep thinking I should throw a quilt over it before I spear the speaker grille with something, but it's fun to watch while I'm working on other things.

Phil Nelson
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Old 04-15-2013, 08:12 AM
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Thanks guys I'm having a blast as it has been a year since I could work on my stuff, now I'm working on 3 roundies at once Here is how it's looking right now. I still have some detail cleaning and paint touch up on the back, after that it will look like the day it came out of the factory. I cleaned the cabinet up really well and removed any of my glue residue that was left. Joe: Yes, the sound is great from this set, I watched about 45 min of music videos on it with the volume all the way up and it didn't distort.


I also found some more loose joints, the glue they used back then sucked. The corner brace came loose as soon as I messed with the first screw.




The board along that side of the cabinet was coming loose too so that was also glued and clamped. All this makes me want to check some of my other cabinets and make sure no legs are gonna fly off of 'em when I move out of here.

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Pioneer SX-939, ER-420, SM-B201
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Last edited by zenithfan1; 04-15-2013 at 08:18 AM.
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Old 04-15-2013, 02:02 PM
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Nice find, and nice work.

Ain't it amazing when they still work decently even when it has been decades since any repairs have been made.
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Old 04-15-2013, 02:12 PM
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Quote:
Originally Posted by Electronic M View Post
Nice find, and nice work.

Ain't it amazing when they still work decently even when it has been decades since any repairs have been made.
Thanks It sure is, the last known repair was in 1965 when the CRT and a few tubes were changed. The chassis looks pretty much untouched other than that. It came on with a full, linear vertical which almost never happens, even though it's full of wax/paper caps. The convergence was good too. AND it didn't need degaussing I guess it was well cared for and that will continue with me as its owner 'tll I'm gone
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Kyocera R-661, Yamaha RX-V2200
National Panasonic SA-5800
Sansui 1000a, 1000, SAX-200, 5050, 9090DB, 881, SR-636, SC-3000, AT-20
Pioneer SX-939, ER-420, SM-B201
Motorola SK77W-2Z tube console
McIntosh MC2205, C26
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Old 04-15-2013, 03:19 PM
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IsthmusTV IsthmusTV is offline
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Very nice! You're certainly on a roundie roll

Is it an early CTC7 with the two 5U4's on the PTX or the later version with the silicon rectifiers?

-Clark
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Old 04-15-2013, 03:26 PM
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The RCA Victor CTC-5 high end consoles and the Later Mark Series CTC-7 Consoles included the 3 speaker sound system which RCA called "Panoramic Sound." It does produce a nice, rich hi-fidelity sound.

-Steve D.
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Old 04-16-2013, 02:06 PM
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zenithfan1 zenithfan1 is offline
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Quote:
Originally Posted by IsthmusTV View Post
Very nice! You're certainly on a roundie roll

Is it an early CTC7 with the two 5U4's on the PTX or the later version with the silicon rectifiers?

-Clark
Yeah, tell me about it. Nothing at all for a long time now all at once I'm not complaining though! Yeah, I feel that it is banana worthy. Hopefully, the forum doesn't get swarmed with bananas now Anyways, it looks to be a mid to later '57, Has the 5U4s and wax caps everywhere. I'm surprised it works so well with them still. The original tubes have a date code of 39-57. The delay line usually has a date on it but this one don't. I'll post some pics of the chassis today or tomorrow.
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Kyocera R-661, Yamaha RX-V2200
National Panasonic SA-5800
Sansui 1000a, 1000, SAX-200, 5050, 9090DB, 881, SR-636, SC-3000, AT-20
Pioneer SX-939, ER-420, SM-B201
Motorola SK77W-2Z tube console
McIntosh MC2205, C26

Last edited by zenithfan1; 04-16-2013 at 07:55 PM. Reason: brainfart
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Old 04-17-2013, 11:23 AM
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zenithfan1 zenithfan1 is offline
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Here are some pics of the chassis. I haven't done anything with it yet but look it over closely. It should clean up and work/look like new. This set has also been cat approved



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Kyocera R-661, Yamaha RX-V2200
National Panasonic SA-5800
Sansui 1000a, 1000, SAX-200, 5050, 9090DB, 881, SR-636, SC-3000, AT-20
Pioneer SX-939, ER-420, SM-B201
Motorola SK77W-2Z tube console
McIntosh MC2205, C26
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Old 04-17-2013, 11:56 AM
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It looks like an easy restoration. Interesting, that the early CTC7 chassis has a perforated/ventilated HV shield where as the later chassis does not. I'm always a bit concerned about the fly in my CTC7AA suffocating inside the unventilated cover

-Clark
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Old 04-17-2013, 02:59 PM
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zenithfan1 zenithfan1 is offline
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I get concerned about that too on the later sets. I run them with the door open and a fan blowing a gentle breeze on low at the back of the set. My daily driver 11 has a fan on it at almost all times. I bet they stopped putting the vents because of radiation standards.
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Kyocera R-661, Yamaha RX-V2200
National Panasonic SA-5800
Sansui 1000a, 1000, SAX-200, 5050, 9090DB, 881, SR-636, SC-3000, AT-20
Pioneer SX-939, ER-420, SM-B201
Motorola SK77W-2Z tube console
McIntosh MC2205, C26
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Old 04-17-2013, 07:38 PM
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Same exact set I have, or rather MBC Chicago currently has.
Yours must not have been run a lot, to still be working like that. Mine was run pretty much into the ground, every single cap left melted wax all over the chassis and the chassis itself had a fair amount of cad dust. The cabinet, as you know, was trashed. I was sooo close to parting the whole thing out, but now I'm glad I saved it.
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Old 04-18-2013, 10:48 AM
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Hey Nick, I'm glad you saved yours too. It turned out great. This one was only used enough to go through the original CRT and a few tubes. The boards are not even darkened too which is a really good thing. I'm really glad that the CRT was replaced with a 21CYP22A rather than a FBP ect. This way it is like the original but from what I understand, better than the non-A version.
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Kyocera R-661, Yamaha RX-V2200
National Panasonic SA-5800
Sansui 1000a, 1000, SAX-200, 5050, 9090DB, 881, SR-636, SC-3000, AT-20
Pioneer SX-939, ER-420, SM-B201
Motorola SK77W-2Z tube console
McIntosh MC2205, C26

Last edited by zenithfan1; 04-18-2013 at 10:59 AM.
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