SW1X Audio Design PRE III


The PRE III is a pure class A, zero negative feedback (global or local) line pre-amplifier with a signal output transformer (OPT) de-coupled valve output stage. Signal OPT of highest quality not only increases transparency (superior to any kind of capacitors) but also lowers the output impedance of the line pre-amplifier further close to 4 Ohms, capable of driving any load of power amplifier input.


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