Hickok TV-7A/U settings for 8417 tube?

GordonW · 10th January 2008, 09:04 PM

Trying to "match" a group of 8417s here.

Has anyone got settings for a Hickok TV-7A/U tube tester, for an 8417 tube? In case it matters, these are Sylvanias...

Thanks!

Regards,
Gordon.

GaryB · 11th January 2008, 01:59 AM

I saw this many years ago on the net and wrote it down. I can't find the original post to give credit where credit is due, so I'll just pass
it along as received wisdom:

Try 6.3 HS5-3481 23 D 3
This is the same as the 6L6 setting. Minimum reading should be 40 and best is 100.

---Gary

GordonW · 11th January 2008, 06:28 PM

Did that. Pegs the meter!

Managed to get reasonable readings, with a range setting of E, and bias at around 30. Meter reads between 40-50. Looks to have at least set a baseline, that I can use to compare the tubes...

Regards,
Gordon.

10th January 2008, 09:04 PM	#1
GordonW diyAudio Member Join Date: Mar 2005 Location: Marietta/Moultrie GA	Hickok TV-7A/U settings for 8417 tube? Trying to "match" a group of 8417s here. Has anyone got settings for a Hickok TV-7A/U tube tester, for an 8417 tube? In case it matters, these are Sylvanias... Thanks! Regards, Gordon. __________________ Speaker Design, Restoration and Repair- since 1985.

11th January 2008, 06:28 PM	#3
GordonW diyAudio Member Join Date: Mar 2005 Location: Marietta/Moultrie GA	Did that. Pegs the meter! Managed to get reasonable readings, with a range setting of E, and bias at around 30. Meter reads between 40-50. Looks to have at least set a baseline, that I can use to compare the tubes... Regards, Gordon. __________________ Speaker Design, Restoration and Repair- since 1985.

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11th January 2008, 01:59 AM	#2
GaryB diyAudio Member Join Date: Sep 2002 Location: Silicon Valley	I saw this many years ago on the net and wrote it down. I can't find the original post to give credit where credit is due, so I'll just pass it along as received wisdom: Try 6.3 HS5-3481 23 D 3 This is the same as the 6L6 setting. Minimum reading should be 40 and best is 100. ---Gary

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