ifi Zen Phono User Guide

ifi Zen Phono

PARTS

  1. Power ON/OFFThis is the power switch.
  2. MM input LEDThis is a MM input suitable for MM cartridges with the output voltage higher than 2mV. Please select Gain 1 at the rear.
  3. MC HIGH input LEDThis is a MC HIGH input suitable for MC cartridges with the output voltage less than or equal to 2mV. Please select Gain 2 at the rear.
  4. MC LOW input LEDThis is a MC LOW input suitable for MC cartridges with the output voltage less than or equal to 0.5mV. Please select Gain 3 at the rear.
  5. MC V-LOW input LEDThis is a MC V-LOW input suitable for MC cartridges with the output voltage less than or equal to 0.25mV. Please select Gain 4 at the rear.
  6. SUBSONIC Filter ON/OFFThis is the SUBSONIC filter switch. The iFi-designed subsonic filter will intelligently detect whether a subsonic frequency is a warp or a bass note. It will eliminate the warps and let all the bass and mid-range frequencies pass through untouched. Therefore, it will not affect the sound quality.
  7. Balanced 4.4mm analogue outputThis is an analogue output via 4.4mm > XLR or other balanced interconnects. You could use this for an active speaker or an amplifier.Tip: As ZEN Phono is balanced, this is the recommended output.
  8. RCA analogue outputThis is an analogue output.
  9. GroundThis is the ZEN Phono’s ground, please connect it to the turntable’s grounding wire.
  10. RCA analogue inputThis is an analogue input.
  11. Gain channel switchThis button cycles between 4 gain levels:
    1. corresponds to MM (>2mV)
    2. corresponds to MC HIGH (≤2mV)
    3. corresponds to MC LOW (≤0.5mV)
    4. corresponds to MC V-LOW (≤0.25mV)Please adjust the gain channel switch in accordance with your preference and your turntable’s specifications.
  12. DC 5V powerPlease connect the ZEN Phono to the enclosed power supply. The ZEN Phono must ONLY be powered by 5 volts.For best performance upgrade the enclosed power supply to a super-silent iPower 5V or the ultra-low noise iPower X 5V power supply.

Specification

Input voltage: DC 5V/0.5A, AC 100 -240V, 50/60Hz (with the enclosed power supply)

Frequency Response:Balanced:       20Hz – 20kHz (±0.15dB)S-E:                10Hz – 100kHz (±0.4dB)

Channel Separation:    > 75dB (1kHz all modes)

Max Output Voltage RMS:Balanced:            13.5V RMS 600R (<1% THD & N)S-E:                      6.5V RMS 600R (<1% THD & N)

Output Impedance:Balanced:       200 OhmS-E:               100 Ohm

SNR:MM (36dB ±1dB):                     96dB (A-weighted) re 2V BAL/1V S-EMC High (48dB ±1dB):             84dB (A-weighted) re 2V BAL/1V S-EMC Low (60dB ±1dB):              90dB (A-weighted) re 2V BAL/1V S-EMC V-Low (72dB ±1dB):           79dB (A-weighted) re 2V BAL/1V S-E

Ein (equivalent input noise):0.6nV | /Hz (unweighted)           MC Low/MC V-Low            -151dBV (A-weighted)6.5nV | /Hz (unweighted)           MM/MC High                      -130dBV (A-weighted)

Total Harmonic Distortion:MM:               <-110dB / 0.0003% re 2V BAL/1V S-EMC Low:       <-80dB / 0.01% re 2V BAL/1V S-EMC V-Low:   <-86dB / 0.005% re 2V BAL/1V S-E

Power consumption: <1.8W

Dimensions:        158 x 117 x 35 mm6.2″ x 4.6″ x 1.4″

Weight:                          500 g (1.10 lbs)

Warranty period:           12 months

References

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