tester

I have accumulated boxes of valves over the years (some from auctions etc) for no good reason. I would like to slowly sell them all off - but before doing so would like to test them so the buyer is assured (and I am assured) that the valves are in good shape. If anyone has a working and...

As it seems that I am in for the long haul with my EAR valve kit, I would like to be able to test valves myself. I have a good many 802 and 508 valves in my possession that I would like to check and possibly match. As my EAR 802 has 2 x ECC83 valves in it, I would like to own a valve checker...