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Old 04-22-2018, 01:43 PM
Betamax Betamax is offline
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Rare 1974 Zenith Space Command 600Z TV

Just wondering how rare Zenith Space Command 600Z TVs are from late 1974 to about possibly 1977. These are the Ultimate Chromacolor II, especially the 25 inch delta gun tube console models from 1974-75, still with the late flat-chassis with a few modules as well. The CRT in the 25 inch models was still bonded as well this late too. The Space Command 600X was 1973-74, all solid state flat chassis, all hard wired point to point while the 600Z chassis was introduced in about 1974, mostly point to point wiring with some PCB modules as well that can be easily replaced by TV service people. The 600Z chassis is all power-tuned with all with an ultra-sonic remote just like the other space command TVs produced from 1956 to 1974. I believe the 600Z chassis is the very last Zenith TV chassis to use an all-mechanical ultra-sonic remote that actually clicked as well. If you look on the back cover of your National Geographic magazines from 1974ish, you will find a picture of the exact TV that I just got with the 600Z chassis in a back cover Zenith ad for the Chromacolor II TVs-The Ultimate Chromacolor II :-) :-)

Last edited by Betamax; 04-22-2018 at 01:45 PM. Reason: adding picture
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Old 04-22-2018, 01:49 PM
Betamax Betamax is offline
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Old 04-22-2018, 02:01 PM
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dishdude dishdude is offline
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Originally Posted by Betamax View Post
That's a nice looking cabinet too.
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Old 04-22-2018, 05:00 PM
zeno zeno is offline
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This gets confusing...........
Model in ad is SE2569P the "Mozambique". Its an E-line 1974 model
year that would have been released fall of 1973.
Ad shows it has the flat chassis ( 25DC56) BUT mid year they changed
to the upright chassis ( 25EC45) on MOST of the line.
The major difference was the vert circuit. Electronically near identical.

As far as rare set goes it rare due to it being TOTL. You would pay
extra for it being solid state, BIG cabinet 2 speaker & remote. Probably
a $1000+ set. Thats when a Jap car cost under 3K !

The flat chassis is considered by many the best all around color TV made
by anyone, anywhere any time. It is quite desirable in any cabinet.

73 Zeno
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Old 04-23-2018, 03:22 AM
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Jon A. Jon A. is offline
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The 600Z is my favorite Space Command system. I like the mechanical remotes and that is the only one that separates the power/volume functions, much more convenient.

I've seen quite a few 25EC58 sets in pictures, I reckon that's what you have. Not much had changed from the 25DC56; the biggest difference I know of is that they have a different tripler that runs at 29.5K if I'm not mistaken. The CRT is probably an updated unit with a trio of X-ray certification bars on each side.

Last edited by Jon A.; 04-23-2018 at 03:51 AM.
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