Vintage Treasure: The Time-Traveling Ken-Rad 5751 from 1950 – Proof that Tubes Had a Head Start!6/4/2024 Here is an image of one of my more 'interesting' tubes. It is a Ken-Rad GE, very clearly marked as a 5751, but with a date code from late 1950! I have another one with same construction, but the date code isn't as clear.. it could either be from 1950 or 1951.
Given that the tube is marked as a "5751" and the date code suggests it was manufactured in 1950, this provides a strong indication that this tube might indeed be an early production model or a prototype of the 5751. Here are some key points to consider:
This Ken-Rad 5751 tube dated from 1950 is likely an early production model or prototype, making it a rare and significant piece. This aligns with the historical introduction of the 5751 around 1951, suggesting that early development and testing were underway in 1950. More photos of the tubes in question... ( again, I have two examples)
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