The Evolution Phono One is entry level OP AMP based phono preamplifier with separated MC and MM inputs as well as possibility to choice MC input impedance. 

Specifications

Gain : MM – 40 dB, MC – 64 dB using low hum J-Fet
Noise and Hum –  80 dB at MM , 76dB at MC
Output voltage 0.5 Vrms
Inputs: MM (RCA) – 47k/200pF , MC (RCA) – 10, 20, 50, 100 ohms selectable
Output Impedance : 600ohms
RIAA Accuracy : +/- 0.4 dB max below 1KHz , 0.6dB max above 1KHz
OP AMP  : OPA 2134  , two per channel
Power supply: Low Induction toroid transformer by Trafomatic Audio,
Requirements: 120V-60Hz/ 240V/ 50Hz switchable , 15 watts
Weight: 6 kg
Dimensions: 450 x 320 x 100mm