About the SU1
The Expressive Technologies SU-1 is a moving-coil step-up transformer that provides a voltage gain of 28dB with a turns ratio of 25:1. It is optimized for use with low-output moving-coil cartridges and requires a phono stage with a high input impedance of 47k ohms. The SU-1 features a frequency response from 0.1Hz to 250kHz and is known for its excellent build quality and sound performance.
Specifications
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