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RE: 300B IT 1:1 845, A2 possible?

The transformer should be used at its specified operating impedance with the amplifier in A1. Note that some transformers may benefit from a resistive load across the output winding to dampen resonance and reflect a fixed impedance back to the source. Anyway, the maximum recommended operating impedance is a function of several things, including the inductance of the windings. A certain minimum inductance is necessary in order to provide the desired low frequency response at a specified operating impedance. When the amplifier enters A2, the operating impedance will decrease. This generally means less inductance is required, so that's no longer an issue. However, now the transformer is being tasked to deliver power, not just voltage. So, other factors, such as core size, create additional limitations.




Edits: 12/29/21

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  • RE: 300B IT 1:1 845, A2 possible? - Triode_Kingdom 06:54:57 12/29/21 (0)

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