> Those are the ones. ... I'm hoping they're just large neon bulbs and that > only two pins are used.
http://cgi.ebay.com/ws/eBayISAPI.dll?VISuperSize&item=160498913376 That they are ! I actually had a pair of those in my hand, from the same source. The eBay seller is brokering them for a guy, who doesn't have an eBay account. Westdave knows both of them, and got a pair from the guy. Dave also had me test the pair that he had. They are most likely cathode poisoned. But probably not in a permanent way. Just run them for a while and it should clear up. I used a small portable test jig to run them. It can't deliver more than 15mA at 180V, so only a small portion lit up. When you get yours make a simple burn-in jig, using the household 110VAC and a power resistor. I'd start with an assumed sustained voltage of 70V (just a guess), and peak current of 20mA. 165V (peak value of 120Vrms) knock off 70V, gives you 95V. 95 goes-n-ta (see Beverly Hillbillys - Jethro & Advanced Math) .02Amps, 4750 times. So that's ~4.7K, and 95 times .020 (20mA) is ~2Wpeak; ~1Wrms. A 5W power resistor should do fine. See how much of the electrode surface lights up, and see if it grows after a few minutes. If not, make the resistance smaller. Cut it in half. Keep an eye on it. Don't do a 'Dr Conrad Murray' (see Michael Jackson), and ignore your patient. Results may end up similar. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixi...@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
