Thursday, March 8, 2018

Impedance matching to equivalent input noise resistance


Abstract:


The quality of a vintage 50s or 60s microphone giving flat frequency response from singer's vocal chords to listener's brain can be preserved with a low ratio transformer. Otherwise it may wrongly br accused of sounding mid frequency heavy. Low transformer rations require state of the art low equivalent noise input resistance of the front end microphone amplifying stage.


 Overview...


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