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iFi Audio ZEN Phono Preamp for Turntables

Regular price $199.00
Sale price $199.00 Regular price
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Product Information

Model: 311003 | UPC: 5060738783328


What's In The Box

Product Information

Model: 311003 | UPC: 5060738783328

Fall in love with your vinyl all over again. 

You've spent years building your dream vinyl collection. The ZEN Phono is a wonderful enhancement to your vinyl setup. It will max out every MM/MC cartridge. 

Unlike any other entry-level phono stage, the ZEN Phono has:

  • MM/MC from 36dB >72dB gain. Super-silent noise floor -151dBV
  • Precise RIAA with Balanced output, performance comparable to +$1k phono stages 
  • AI sub-sonic filter. Addresses warp without eliminating bass or causing phase issues

Hissless whisper

Flagship phono amplifiers create their own power supply off the mains, like a mains regenerator. This is fundamental to a well-designed phono stage. Without this, it will struggle to amplify the signal without added noise. This is why phono stages 'hiss' so annoyingly. 

The ZEN Phono has its own high-tech clean power supply. It creates a 1.2MHz power supply (20,000x mains frequency of 60Hz). In this circuit, a 10uF filtering capacitor = 200,000uF at lower, audible frequencies. With serious levels of noise filtration, it performs at the level of well-designed LC filtering circuits as found in classic tube amplifiers. Further, located on its own 'island' PCD, it is isolated so there is no noise pollution of the analog stage.

With great circuit comes great components

The ZEN Phono has some seriously good audio components backing up the fab circuit design which has trickled down from its ultra-fidelity AMR PH-77 and iFI iPhono siblings.


  • Gain Settings
    • MC (v lo): 72dB (+/-1dB)
    • MC (lo): 60dB (+/-1dB)
    • MC (hi): 48dB (+/-1dB)
    • MM: 36dB (+/-1dB)
  • Al Sub-sonic filter: Remedies only the 'warp' in LPs. No negative impact to bass response.
  • Max Output Voltage (RMS)
    • 20v RMS bal output into 100k (< 1% THD & N)
    • 13.5V RMS bal output into 600R (> 1% THD & N)
  • Output Impedance
    • BAL: 200 Ohm resistive 
    • SE: 100 Ohm resistive
  • Input Impedance
    • MM: 47K Ohms (Load: 100pF)
    • MC High: 47K Ohms
    • MC Low: 1K Ohms
    • MC V Low: 110 Ohms
  • Signal/Noise Ratio
    • 94dB(A) MM re 2V BAL/1V UNBAL
    • 80dB(unweighted 80kHz BW) MM re 2V BAL/1V UNBAL
    • 84dB(A) MC Hi re 2V BAL/1V UNBAL
    • 71dB(unweighted 80kHz BW) MM re 2V BAL/1V UNBAL
    • 90dB(A) MC lo re 2V BAL/1V UNBAL
    • 79dB(unweighted 80kHz BW) MC lo re 2V BAL/1V UNBAL
    • 79dB(A) MC vlo re 2V BAL/1V UNBAL
    • 69dB(unweighted 80kHz BW) MC vlo re 2V BAL/1V UNBAL
  • EIN (equivalent input noise): 
    • 0.6nV|/Hz (unweighted) MC lo/vlo
      • -151dBV (A weighted)
      • -141dBV (unweighted)
    • 6.5nV|/Hz (unweighted) MM/MC hi
      • -130dBV (A weighted)
      • -119dBV (unweighted)
  • Harmonic Distortion
    • < -110dB / 0.0003% MM re 2V BAL/1V UNBAL
    • < -80dB / 0.01% MC lo re 2V BAL/1V UNBAL
    • < -86dB / 0.005% MC vlo re 2V BAL/1V UNBAL
  • Dimensions: 6.3" x 4.4" x 1.4"
  • Power Supply: DC 5V / 500mA
  • Weight: 1.14 lbs
  • Warranty: 12 months

What's In The Box

  • ZEN Phono Preamplifier
  • AC adapter
  • 20" RCA patch cable 
  • User Manual
  • Warranty Card
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