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Zenith 7-S-240 Eye tube question
06-01-2016, 07:48 PM
(06-01-2016, 06:08 PM)Radioroslyn Wrote: Well seem like your triode plate in the 6E5 is too low........ It takes -8v on the grid to close the eye as per the RCA tube manual....... Terry, he is using a 6U5, that takes ~ -22 volts to close. https://frank.pocnet.net/sheets/049/6/6U5.pdf I don't quite understand that voltage chart. The target grid is pin 3 and you show nothing measured there. John KK4ZLF Lexington, KY "illegitimis non carborundum"
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Messages In This Thread
Zenith 7-S-240 Eye tube question - by Eric - 05-30-2016, 03:37 PM
RE: Zenith 7-S-240 Eye tube question - by Eliot Ness - 05-30-2016, 06:12 PM
RE: Zenith 7-S-240 Eye tube question - by morzh - 05-30-2016, 08:34 PM
RE: Zenith 7-S-240 Eye tube question - by Radioroslyn - 05-31-2016, 09:18 AM
RE: Zenith 7-S-240 Eye tube question - by Eric - 05-31-2016, 01:00 PM
RE: Zenith 7-S-240 Eye tube question - by Radioroslyn - 05-31-2016, 01:37 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-01-2016, 01:41 PM
RE: Zenith 7-S-240 Eye tube question - by Radioroslyn - 06-01-2016, 06:08 PM
RE: Zenith 7-S-240 Eye tube question - by Eliot Ness - 06-01-2016, 07:48 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-02-2016, 08:04 AM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-02-2016, 04:20 PM
RE: Zenith 7-S-240 Eye tube question - by Eliot Ness - 06-02-2016, 06:47 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-03-2016, 06:02 PM
RE: Zenith 7-S-240 Eye tube question - by Eliot Ness - 06-04-2016, 07:15 AM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-04-2016, 01:21 PM
RE: Zenith 7-S-240 Eye tube question - by Eliot Ness - 06-04-2016, 02:09 PM
RE: Zenith 7-S-240 Eye tube question - by Radioroslyn - 06-04-2016, 02:31 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-05-2016, 11:13 AM
RE: Zenith 7-S-240 Eye tube question - by Eliot Ness - 06-05-2016, 02:04 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-05-2016, 03:14 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-06-2016, 03:55 PM
RE: Zenith 7-S-240 Eye tube question - by Eliot Ness - 06-06-2016, 05:34 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-07-2016, 04:28 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-07-2016, 04:29 PM
RE: Zenith 7-S-240 Eye tube question - by Radioroslyn - 06-07-2016, 06:24 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-07-2016, 07:10 PM
RE: Zenith 7-S-240 Eye tube question - by Kenneth F. Besso Jr. - 06-08-2016, 10:35 AM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-08-2016, 04:02 PM
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