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Originally Posted by Don Lindsly
The actual numbers should be available in the Sarnoff Library if someone wants to take the time to research it.
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Some years ago the Sarnoff Library indicated that the probable number of CT-100's made as approximately 4600, which compares favorably with the traditional number of 5000. As Don indicated, they were not all sold to consumers, and probably not by a long shot. In its early days, for example, my first CT-100 was originally owned by a broadcast exec.
I am still exchanging email with the owner and so do not have final information as to its disposition, but I did recently receive a series of photos, two of which are attached.
The first shows a close up of the magnetics. Notice the distorted and whitish crusted rear yoke cover. They are strong indicators of years in storage where large seasonal temperature variations occur. That supposition is based on experience rather than science. Notice that this set has had a fuse holder added to the rectifier cage. It strongly suggests extensive use when it was new.
The second photo shows a lot of wear to the finish around the channel selector. We are spoiled in these days of PLL tuning and tend to forget how much fine tuning we did, especially with color.
If you check the names of the photos, you will see the the serial number of this set. It doesn't begin with B800, but it is one of the very few with a serial number that begins with B111. In that sense, it is at the very least an unusual set. Thus far, I have not been able to explain the difference.
I have not yet made arrangements to see the set, which is in my general driving range, but if I do I will try to categorize this set with others based upon production changes such as those for vertical centering and boost B+.