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Old 1st Oct 2019, 9:22 pm   #11
hans's Avatar
Join Date: Jan 2008
Location: Oslo, Norway.
Posts: 607
Default Re: Bang & Oulfsen 8902

The 540AX tubes were used in many sets at the time. In my experience only the Philips could make good tubes, and even they managed to make a lot of bad ones. Does the tube still have good focus? They usually got a soft greenish pic when they started to show wear.
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