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RE: UTC output transformers LS-63

Tre:

As the ratio of primary L to reflected R changes with frequency so does not the phase angle of the load line.

When L becomes significantly larger than the reflected R it has less and less effect on the load line.

When the impedance of the inductance equals the reflected R you will have a 45 degree phase angle. Just one of the sub-optimal results of this is that half of the power developed by the tube is sunk in the hidden reactive arm in parallel with the primary's reflected R.

MSL



Builder of MagneQuest & Peerless transformers since 1989


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