Gold Note PH-1 is a shielded MM & MC phono preamplifier featuring an isolated power supply and able to enhance great energy with alarge variety of phono cartridges. The silent background stage let the unit play low MC cartridges easily down to 0.15mV. PH-1 features aGold Note proprietary four double stabilized mono amp stage design to optimize audio performance. The design developed for PH-1 allowsquick matching with any kind of MM and MC cartridge and a wide option of set-ups with easy access impedance setting even below 10ohminternal impedance without the need of an external step-up transformer. PH-1 enables superior audio purity with any audio systemfeaturing an optional external super Power Supply (PSU). Main DetailsFREQUENCY RESPONSE 20Hz – 20KHz @ +/- 3dBTHD (Total Harmonic Distortion) 48dB MM, > 65dB MCAudio OutputsRCA Line output level: 2V RCA fixed