Quote:
Originally Posted by Adam
It is the 21ALP4 - Thanks, I'd like to make it to the etf this year, but it'd be at least a two day drive.
I think the Philco mystery control radios used a 2A4 thyratron in the remote receiver.
That's a Tek 545A. I bought it way back in 2001, it came with the CA plug-in, but I have a 1A4 in there now. Around 2010 it lost the HV and I had to replace a capacitor, otherwise it's worked well since. But the triggering isn't as stable as it once was and it's slowly getting worse. I figure I'm going to eventually have to look into it.
This one was in Tucson on CL. I wonder how many of these there still are. Of all the TVs in my collection of ~40 sets, this was the one I wanted that was the hardest to locate. In comparison, my oldest is a 630TS, and I've had 3 of them, and I never particularly looked hard for one like I did for a Flashmatic.
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I remember the Tek 545A
.
There was one or two in my electronics class, they even worked
But, I do like mine better :P
https://imgur.com/a/U5mvTBT
But if you want REALLY OLD, I can pull out my Tek rm503/ room heater!