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Re: Does the Bendix 5852 need running in?

The 5852 draws twice the filament current (1.2A vs .6A for the 6X5).

There's a chance that what you're hearing is related to a change in B+ either from sagging filament voltage for the rectifier, or a change in voltage drop across the rectifier.

Time to get out your voltmeter. The 5852 is a superb tube, but only as good as the circuit it is plugged into...

- Gary



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