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RE: What attributes make a driver a good match for a SET?

Most tube amplifiers have taps for different speaker impedances. Given that, there is no reason to prefer one impedance over another.

There is a minor consideration, in that some output transformers perform better (have less leakage inductance) on a particular tap. The difference is confined to the very high frequencies, so it is not relevant for a midrange driver. This effect depends on the detailed design of the transformer windings, so only the maker can be more specific.

Other than that, tomservo has addressed the question well. I'll just add that most SETs will have an output resistance between 1/4 and 1/2 of the rated impedance (e.g. 2 to 4 ohms on an 8-ohm tap).

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  • RE: What attributes make a driver a good match for a SET? - Paul Joppa 10:37:51 05/18/17 (0)


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