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RE: Maximum Output

Up tapping (16 ohms on 8 ohm tap) does indeed double the reflected impedance seen by the output tube.

Check

Because the impedance has changed but the inductance of the primary has not, the -3db point, in Hz, of the bass response will double.

This depends if you are using a triode or a pentode. From the simple model the -3dB point is where the inductive reactance is equal to the parallel combo of the Tube Rp and the reflected load so simply doubling the reflected load so keeping the tube Rp constant typically makes the push up in frequency much smaller than an octave for a triode but does approximately double it for a pentode





dave


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