Joined: Jan Thu 19, 2012 9:35 pm Posts: 307 Location: Lompoc, CA 93436
I have several CRC-808 tubes. I have the RCA data sheet with the pinout and specs. My tube tester I think will choke on the 7.5Volt 4.0 Amp filament requirement. I'd like to do a basic test so I can verify more than just filament continuity. I'm willing to make a jig.
No way you want to screw up a typical tube tester. If you plan to actually use these old tubes, contact local Ham or radio clubs. Try the boatanchors forum here.
Joined: Jan Thu 01, 1970 1:00 am Posts: 28962 Location: Livermore, CA
Corby
Broken wire you see may be filament. It breaks very easily in these tubes. Even though bad these tubes have value for display. How else can a person get a tennis ball tube for display?
Joined: Jan Thu 19, 2012 9:35 pm Posts: 307 Location: Lompoc, CA 93436
Norm,
I have 8 of them. I can clearly see the grid coil move in some of them and see its missing bits. I think all but one show an open filament so the filaments could also be the bits I see loose. I stuck all 8 as a lot onto Ebay as display tubes so hope someone will enjoy them!
