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theredhouseinn · 8th Aug 2020, 5:44 pm

Hi PJL.
The pins on my Z729's are the same length as any other B9A valve.
The card says that I have to use the IO base no2 on the tester.
So this special skt must be a IO plug with a B9A base on top.
John

8th Aug 2020, 5:44 pm	#16
theredhouseinn Hexode Join Date: Jan 2013 Location: Kelvedon, Essex, UK. Posts: 273	Re: Mullard HSVT Hi PJL. The pins on my Z729's are the same length as any other B9A valve. The card says that I have to use the IO base no2 on the tester. So this special skt must be a IO plug with a B9A base on top. John