They call it a photo-multiplier tube it picks up a flying dot of= light from the crt which produces an output signal that is proportional to the amount of light which strikes it.That number= that I posted yesterday isn't the actual number its B&K's part= number,I have the diagram of the tube if you need it.It also has no= heater. Tv-Service-Company RR 3 Box 3550 Hazleton,Pa.18202 On Fri, 30 Apr 2004 12:23:56 -0400, J Silverman wrote: >Photo tube? Do mean a "magic eye" tube that was used for beat >frequency and >null detection? >Jerry Silverman >Greentron Inc >4 Newland Ave >Greenville SC 29609 >864 232 3889 >Fax 271 2080 >mailto:greentron@xxxxxxx >----- Original Message ----- >From: "Paul Medvetz" <paulcho@xxxxxxxx> >To: <techassist@xxxxxxxxxxxxx> >Sent: Friday, April 30, 2004 6:47 AM >Subject: [TechAssist] Re: Any info on this old tube/ additional= info > > >>I have a old B&K model 1077 analyst that uses the tube that= you=3D >>are >>describing it is the photo tube part # 231- 001-9-001 And it=3D >>does >>have 11 pins. >> >>Tv-Service-Company >>RR 3 Box 3550 >>Hazleton,Pa.18202 >> >> >>On Thu, 29 Apr 2004 18:42:46 -0500, VM wrote: >>>I can't find any tubes with 11 pins in my antique tube= manual,=3D >>only >>>7, 8, >>>9,10 & 12 pins. (Some have a Plate Cap on top, of course)= Could=3D >>you >>>have >>>miscounted the pins? >>> >>>Vernon Mosley <vlm@xxxxxxxxxxxxxxxxxx >>>Mosley TV Service >>>Success, MO 65570 >>>----- Original Message ----- >>>From: <Royal19960@xxxxxxx> >>>To: <techassist@xxxxxxxxxxxxx> >>>Sent: Wednesday, April 28, 2004 1:41 PM >>>Subject: [TechAssist] Any info on this old tube/ additional=3D >>info >>> >>> >>>>Hi all, Thanks for all the responces and here is all the info= I=3D >>can >>>supply. >>>>Tube number is in a Sylvania box with a number os 13-27681-4 >>>>Size is like a 6sn7 >>>>Bakelite base with a key >>>>Has 11 pins >>>>made in 1968 >>>>The words "red"" blue" are stamped on the base >>>>There is a visable grid on one side of the tube. >>>>Thats all I can offer in info. Thanks in advance >>>>Roy >>>>Roy Adams >>>>Bonded TV Service >>>>5158 W Forest Home Ave >>>>Milwaukee, WI 53219 >>>>414-541-9111 >>>>www.Bondedtv.com >>>>we have thousands of tubes on the site >>>>Webhosting from only 4.95 a month at Bondedhost.com >>>> >>>> >>>> >>>>-------------------------------------------------------------= --=3D >>----- >>>>------ >>>--- >>>>Lost Password: >>>>http://www.tech-assist.org and select "Login Problems?". >>>>Email Archives: >>>>//www.freelists.org/archives/techassist/ >>>> >>>> >>> >>> >>>--------------------------------------------------------------= --=3D >>----- >>>-------- >>>Lost Password: >>>http://www.tech-assist.org and select "Login Problems?". >>>Email Archives: >>>//www.freelists.org/archives/techassist/ >> >> >> >> >> >>---------------------------------------------------------------= ----- >>------ >--- >>Lost Password: >>http://www.tech-assist.org and select "Login Problems?". >>Email Archives: >>//www.freelists.org/archives/techassist/ > > >----------------------------------------------------------------= ----- >-------- >Lost Password: >http://www.tech-assist.org and select "Login Problems?". >Email Archives: >//www.freelists.org/archives/techassist/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/