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Station X · 2nd Jun 2020, 10:02 pm

Just spotted another error in the 23rd Edition.

12AX7A shown as 741237410.

This will test the same section twice as A2.

Correct setting is 741226413 or 641227413.

2nd Jun 2020, 10:02 pm	#18
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,289	Re: Valve testers and E88CC / ECC88 valves Just spotted another error in the 23rd Edition. 12AX7A shown as 741237410. This will test the same section twice as A2. Correct setting is 741226413 or 641227413. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.