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Hi, I will be needing knobs and the blue crt filter for a 465B scope. Can anyone supply a source? I've looked quite a bit on the web with no results. Thanks, Dave M.

Thanks again for the help. Walter at Sphere came up with a tube out of a 2215A. I have the 2235 manual. Nothing to wild about replacing the CRT, I hope? Thanks Peter

Found in the newsgroup "sci.electronics.design" and i thein it 's worth to forward it to here: "Betreff: Re: 7904A oscilloscope with 7B92A time base - viewing delayed trace? Datum: Thu, 19 Jul 2001

As a owner of a frankenscope I'll put in a few cents. Some things to consider. Mechanical compatibility, voltages on the various elements, deflection sensitivity and bandwidth. While I have

Hi Peter, I am not aware of any other part number that works in the 2235. One piece of information you can obtain from our CRT cross reference on our web site is the fact that the 154-0861-00 is

Thanks. I checked with Sphere who said these were pretty hot items and didn't have exact item. I'll ask them for a cross.

Sorry, Peter, that tube is listed for a 2335, don't know if it will fit your scope. It would still be worth contacting the company to see if they have the right one.

Hi Peter, This site, Sphere Research Corporation <http://www.sphere.bc.ca/test/tek-crts.html> has a 154-0832-00 tube listed as a replacement for a 2235 scope for US $120. Don

Well it looks like at least short term, there's not an exact replacement tube available to replace this bad tube. Any other 100 mhz tube work in this scope, or is it pretty unique? Thanks Peter

Your welcome - I think. I can't remember what I helped with. Am I the right Phil ? Phil

The generic part umber for a Tek 151-1005-00 is 2N4303. You can find this sort of information on our web page at the following

Sub any current production electrolytic with the same (or very similar) specs. Phil

Looking for a 3000uf 50volt Elect. #290-0509-00 cap. Can I sub anything? Thanks

Yes, please send his name and e-mail Peter. I lost touch with a guy - I think his name was Nick - that had a bunch of Tek crt's. Maybe it's the same guy. Thanks....Phil

A couple of you asked about parts. the guy with the old Tek parts has a couple of tubes (not the one I need of course) for sale. AFAIK, these were taken out of scopes that had traces. Email me if

Who is the "he" referred to here,.... have an e-mail address? Thanks. Chuck

I you (or anyone else interested) will email me privately, I'll reply with his phone number. He's internet challenged.... Thanks Peter Florance audserv@... a of seller?

I may be looking for parts, is there a link or email for this seller? Jim