I should have been more clear, the Webster location escaped my thoughts, I was referring to the location on Fondren at the intersection of Lipan in SW Houston.
John, KI5HOC On Wed, Jul 29, 2020 at 9:22 AM Monty Weeks via BVARC <[email protected]> wrote: > FYI, I went to EPO yesterday (in Webster) and they were closed for > remodeling. > Monty KI5JML > > On Wed, Jul 29, 2020 at 9:02 AM John Mechura via BVARC <[email protected]> > wrote: > >> Greetings, >> >> Unfortunately my tube tester is too new to test this tube. I would >> recommend contacting Chris at EPO, Electronic Parts Outlet, to ask him if >> his tube checker can test this tube; if it is listed on his chart. He has >> a stand-up tube tester such as would have been at drug stores of my youth. >> >> The 811 is a triode, utilizing a thoriated tungsten filament as a >> cathode. As Rick suggests, an ohm meter check of the filament / heater >> should test for continuity. Then check for shorts between filament, grid >> and plate, there should not be any. Pins 1 and 4 are the filaments. Pin 2 >> is unused. Pin 3 is the grid and the plate is on top. Look and see if the >> plate shows signs of discoloration or overheating. If the silver getter >> coating inside the glass is silver and not white then the tube is holding a >> vacuum still. >> >> The specs are here: >> www.radiotechnika.hu/images/811A.pdf >> >> My e-mail is: >> [email protected] >> >> 73 >> >> John, KI5HOC >> >> >> >> >> On Tue, Jul 28, 2020 at 9:42 PM Rick Hiller <[email protected]> >> wrote: >> >>> Couldn't you simply just measure pin to pin and compare one tube to the >>> others? Find the odd guy(s) out that way. Then, stick them, one by one, >>> in the "tube testers" from Ameritron, the 811 or 811H. HI >>> >>> John, HOC, is the tube guy.....he will know....73...RH >>> >>> On Tue, Jul 28, 2020 at 9:18 PM Jimmy Vance via BVARC <[email protected]> >>> wrote: >>> >>>> One of the guys in KARS needs to test a few 811's, does anyone have a >>>> tester capable of testing these? >>>> >>>> >>>> Thanks >>>> --jv >>>> na5d >>>> >>>> >>>> ________________________________________________ >>>> Brazos Valley Amateur Radio Club >>>> >>>> BVARC mailing list >>>> [email protected] >>>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>>> >>> >>> >>> -- >>> Rick Hiller >>> *e-mail: [email protected] <[email protected]>* >>> *Cell: 832-474-3713* >>> *Physical: 9031 Troulon Drive* >>> * Houston, TX 77036* >>> >> ________________________________________________ >> Brazos Valley Amateur Radio Club >> >> BVARC mailing list >> [email protected] >> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >> > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >
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