A suggestion. $300 does seem a lot for a gamble. But if it really gets bad you can buy any scope and plumb it in and get what you need. Clearly an OK answer. But a thought none the less. Regards Paul WB8TSL
On Tue, Jun 20, 2017 at 6:06 PM, Clint Jay <cjaysh...@gmail.com> wrote: > A little extra heater voltage and allowing the tube to 'cook' a while can > help as can a CRT rejuvenator but the cathode is usually tiny on a mono > tube and from experience with television repairs back in the dawn of my > career, they very rarely last any length of time after rejuvenation before > emission dies off again. > > YMMV, a NOS tube may respond better and if you've gone from nothing to > something it may be worth taking the gamble, especially if the tube you're > replacing is badly burned in. > > On 20 Jun 2017 11:00 pm, "Brooke Clarke" <bro...@pacific.net> wrote: > > > Hi: > > > > Yes, there are Cathode "Rejuvenators" that can sometimes give a CRT some > > more lift. This is a problem with all test equipment that uses CRTs. > > There are LCD replacements for the CRT in some HP equipment, like the > 8566 > > SA. > > > > -- > > Have Fun, > > > > Brooke Clarke > > http://www.PRC68.com > > http://www.end2partygovernment.com/2012Issues.html > > > > -------- Original Message -------- > > > >> Hello to the group. > >> I was not going to comment on the thread. But realized I should. > >> A caution on CRTs is that if they have been around a long time they may > >> have very poor emissions. Even if new. Cathode pollutes over time. > >> Just saying don't be to surprised if you don't get what you paid for. > >> Best of luck to you. > >> Regards > >> Paul > >> WB8TSL > >> > >> On Tue, Jun 20, 2017 at 5:12 PM, Pete Lancashire < > p...@petelancashire.com > >> > > >> wrote: > >> > >> Not rare but uncommon. I gave the one I have away a couple years ago. > Ask > >>> on a few of he military/boatanchor lists, I've had pretty good luck. > >>> > >>> -pete > >>> > >>> On Tue, Jun 20, 2017 at 2:01 PM, David C. Partridge < > >>> david.partri...@perdrix.co.uk> wrote: > >>> > >>> Trying a long shot here, I'm looking for a 1" CRT type 1EP1 (or 1EP11, > >>>> > >>> or?) > >>> > >>>> for a Tracor 527A Frequency Difference Meter. > >>>> > >>>> I did spot some on eBay but the vendor had a rather high opinion of > >>>> their > >>>> worth :) at over 300 dollars > >>>> > >>>> Anyone got one to spare? > >>>> > >>>> Thanks > >>>> Dave > >>>> > >>>> _______________________________________________ > >>>> time-nuts mailing list -- time-nuts@febo.com > >>>> To unsubscribe, go to https://www.febo.com/cgi-bin/ > >>>> mailman/listinfo/time-nuts > >>>> and follow the instructions there. > >>>> > >>>> _______________________________________________ > >>> time-nuts mailing list -- time-nuts@febo.com > >>> To unsubscribe, go to https://www.febo.com/cgi-bin/ > >>> mailman/listinfo/time-nuts > >>> and follow the instructions there. > >>> > >>> _______________________________________________ > >> time-nuts mailing list -- time-nuts@febo.com > >> To unsubscribe, go to https://www.febo.com/cgi-bin/m > >> ailman/listinfo/time-nuts > >> and follow the instructions there. > >> > >> > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to https://www.febo.com/cgi-bin/m > > ailman/listinfo/time-nuts > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.