I was referring to the 300Bxls as the output (power) tubes. I'm not 100% sure, but I don't think you can substitute 845's unless there was some modification to the circuit.
Oops, I stand corrected and apologize for my mis-information on my last post to this thread! The 805 uses the 300B as the DRIVER and either an 845 or 211 as the OUTPUT tube. Good Listening!
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