Quote:
Originally Posted by Yamamaya42
Correct. If you have seen any of Bandersen's videos on U-tube about ES sets, or any in general, he often uses a test CRT for the bring up and debug stage, and then changes to the tube that was with the set in the final stages.
A 7JP4 is far too rare and hard to get to risk in an unknown chassis, but a 3BP1 is easy and cheap to get.
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Oh ok I wasn’t sure the base was the same