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In Reply to: Re: Very common 300B operating point posted by locust on February 23, 2007 at 09:42:18:
In general tubes are more linear at the higher end of their voltage ratings.
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Long Live Dr.Gizmo
Follow Ups:
I just experimented with a working amp I have I ran my Shughang meshplates on 437 volts B+ with a 1K ohm resistor, ended up with 69 volts across my 1K, So It ended up I am running at 25.392 watts. I also noticed that the blue glow was not a square patch on either side of the tube but a slight blue glow over the entire envelope, Plates look fine but hard to tell with the plate perforated. This Is my first single ended building experience so I am not familiar with the ins and outs. What do you think? I think I am where I should be
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