I have a J3RP1 tube,NIB. Contact direct if interested...res0s7nd"at"verizon"dot"net
Mike Morris WA6ILQ wrote: >At 04:21 PM 2/27/05, you wrote: > > > >>Been there - Done that - Still putting the $&#**^% plug-in back together! >>BTW - the Cushman manual is SOOoooo wrong. >> >>The CRT is actually a 3RP1A (flat screen) and you "could" pay >>$160 for a "NOS" one on ePay >>or you could go to: >> http://www.vacuumtubes.net/ >>and get a brandie new (Chinese) one: >> 3RP1A - $30.00 >>plus shipping: >> 1-5 tubes $5.00 >> >>Great on the fone, great and speeeedy service. >>Bill - WB1GOT >> >> > >One trick, since there are replacements available, >and you've decided that the old one is pretty shot.... > >30 years ago I used to "rejuvenate" B&W >television CRTs by upping the heater voltage >by running 8-9v on 6.3v heaters for a couple >of hours. > >If you have a variac and a filament transformer >around of the correct voltage, why not try it? >If it's a 6v filament use a 12v or 24v transformer >and start the variac at zero and work up. > >If you can milk the tube out of a few more >years of life, you've saved some money, if >not, well, you haven't lost anything but >some bench time, and that might even be >fun. > >Mike > > > > > > >Yahoo! Groups Links > > > > > > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/