Quote:
Originally Posted by Penthode
Alas, you are incorrect. If the last IF tube was indeed bad as suggested, the ringing would change with the fine tuning adjustment.
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You may be right, and probably are. It's been a lotta years ago, and I don't recall noting whether it correlated to fine tuning.
Just curious, how many cases of last IF ringing have you actually encountered? I've seen it in 3 stage strips as well as the oddball two stage (6EH7, EJ7) strips).