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I found this on a local Offer-Up ad. This was about 15 miles from my house. Came down from up north and the guy had it in his man cave for a number of years.
Vacuum Tubes Inc in Orlando is the go to place for most any tube need. They have used and NOS. $25 is all it will take to get the 7 tubes I need (NOS).
These were the same dot pitch as the 21s and we called them the gut-less wonder back in the day. I have service info on a 21 roundy that is almost the same circuit for color other than a 3.58 amp after the crystal resonator. Even the same 6AC10 amp for the CRT. I guess the 3 IF's are kind of wasted on a lo res CRT like this.
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