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RE: best input tx for JC Morrison DA100 amp design sim.

If you desire a 1:1 input transformer, then the next question is whether you need a "high" impedance input transformer (example LL1592) because your driving impedance is highish (1K-3Kohms), or a lower impedance transformer (like the LL1570, etc.) which is appropriate to a 600ohmish driving impedance.

The frequency response of either of these is as given in the data sheets, assuming the driving impedances specified in the data sheet test conditions. If the absence of high frequency resonances in required, then use the suggested terminating networks in the data sheet.

Kevin Carter
K&K Audio
www.kandkaudio.com


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