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RE: Amp circuit? Plate impedance calculation.

All great comments. In UL/PP mode, there is less power, but better adaption to speaker impedance variation than say a pentode design, but a pentode makes great power as do class B circuits with bifilar wound transformers like Mac does so well. If minimal feedback is used for stability, the results can be quite good with UL/PP. Having a transformer well tube matched is critical.


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  • RE: Amp circuit? Plate impedance calculation. - Jallen 01/9/1920:44:40 01/9/19 (0)

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