It is basically a tungsten lamp with a Titanium lampshade. Go for it. Scott V. Johnson W7SVJ 5111 E. Sharon Dr. Scottsdale, AZ 85254-3636 H (602) 953-5779 C (480) 550-2358 scottjohns...@cox.net scott.john...@ieee.org
-----Original Message----- From: Boatanchors <boatanchors-boun...@puck.nether.net> On Behalf Of William Morton Sent: Saturday, November 7, 2020 11:51 AM To: boatanchor <boatanchors@puck.nether.net> Subject: [Boatanchors] Question for Eimac 4-65A Tube Hello Everyone, My son and I have a question regarding firing up the filament of a 4-65A tube with no connection to the grid or plate (and no plate cap heat sink, either): If we light up the filament and leave it glowing for a long time, is there any danger to the tube? It would be akin to using it as a nightlight (which we are not). By a 'long time', let's say 5 hours. Thanks in advance for any comments. Best Regards, William, and Son _______________________________________________ Boatanchors mailing list Boatanchors@puck.nether.net https://puck.nether.net/mailman/listinfo/boatanchors _______________________________________________ Boatanchors mailing list Boatanchors@puck.nether.net https://puck.nether.net/mailman/listinfo/boatanchors