Thanks @dover and @jasonbourne52 for your replies. According to the Gryphon Legato user manual, below are the specs including the available gain that @jasonbourne52 asked about.
Technical Specifications (Balanced operation) Signal to Noise ratio:
MM 86 dB Unweighted Ref. 10 mV
MM 90 dB A weighted Ref. 10 mV
MC 68 dB Unweighted Ref. 0.5 mV
MC 72 dB A weighted Ref. 0.5 mV
Gain MC: 68 dB
Gain MM: 38 dB
RIAA tracking: +/- 0.1 dB 20 - 20 kHz THD: 0.01%
Output impedance: 50 Ohms Input overload margin:
MC 30 mV pp
MM 700 mV pp
RIAA out: voltage sving 60 V pp