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My uncle gave me this box of old tubes just months before he passed. He did radio and TV repair in the 1940's and 1950's. He also built his own HAM radio transmitters back then (807 power tubes and roller inductor in the output stage).
I hope to go through these when I have some free time.
It says RCA on the box but there's various Tung-Sol, Raytheon, RCA, GE, and others in there
Follow Ups:
I see one on the left?
Tung-Sol was founded in 1907. They were major innovators in the automotive world. If memory serves correctly, they invented the first successful electric headlamp for automobiles.
That's my first experience with Tungsol. Many older US made cars had these.
Yes
I was going to say that..My 70 cougar uses a TS flasher and it mounts in the fuse box.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
Tung-Sol goes back to WWII if not before. The T/S box on the far left is 50's or 60's. At bottom left is one from the 40's, like the one here:
...but that's all I know. I'm not much of a tube historian.
The 5687, 5881 and 6550 were all Tung Sol inventions.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
over the years. especially back when tubes were readily available. Unfortunately very few were of use to me. Most were for tv or other applications and a large percentage were pulls put into other boxes. By the fourth, I leaned my lesson and other than a quick glance kept on moving.
My problem is that I wouldn't recognize a desirable old tube from a projectile candidate. I may be back with a list asking for expert advise.
Scored this one on Ebay about 15 years ago for $20 (cat not included). Had about 60 unused American-made tubes in it (RCA, GE, Raytheon, Ken-Rad), and not a single one had any audio application. Didn't care a bit -- I just wanted the caddy. :)
Wish the metal on mine weren't rusted. The one you have is pristine!
I thought you lived in our beautiful arid state of Colorado. Maybe stored in damp basement? Just kidding, but I am glad to live where everything isn't (usually) coated with rust or other corrosion. I just bought an Eico HF81 in Greeley CO and it was pristine - not a trace of rust on the screws or chassis.
I've drug home a couple of those service boxes, bought cheap. You dig through the "weeds" and usually there are some good useable US NOS tubes.
Cheers
Pete
Unfortunately, that service box was stored in a sometimes humid California garage which is probably the cause of the rust. I'm more interested in seeing what tubes are in there. Keep your fingers crossed for some good NOS!
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A nice RCA 6SN7 is more likely. That would not be "chump change".
Eli D.
Your tube caddie is in way better shape than mine. The repairman that owned the one I have was a smoker and frequently rested lit cigarettes on the top of it. Yours is in really good shape. Hope you have a tester as what I found was that most of the tubes in mine were pulls. The pulled tube went back in the box the new tube came in and the box went back in the caddie. When I first saw the contents I thought "dang, there's a mess of nice NOS tubes in here". Didn't turn out to be the case. Vast majority of it was junk. Hope your uncle was more fastidious with his stock than my guy was. I shouldn't complain as it was all give to me free, but let's just say the reality didn't measure up to my expectations.
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