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Ifi zen phono preamp - $100 (Chelmsford)
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Cash and pickup only.
Product Features
Overview
Phono stage for MM and MC phono cartridges
MM/MC performance with -36dB >72dB gain
Trickle down technology from its ultra-fidelity AMR PH-77 and iFi iPhono siblings
AI Sub-sonic filter: Remedies only the 'warp' in LPs, no negative impact to bass response
Regenerated power supply
iFi's famous two-stage circuitry with the latest op-amps
Balanced circuit cesign
OV series op-amps
Panasonic ECPU capacitor
Texas Instruments low-noise ICs
Class 1 ceramic TDK C0G capacitors
muRata control-type, low-ESR high-Q multi-layer capacitors
Gain Settings
MC (v lo): 72dB (+/- 1dB)
MC (lo): 60dB (+/- 1dB)
MC (hi): 48dB (+/- 1dB)
MM: 36dB (+/- 1dB)
Product Specs
Signal-to-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
Gain Settings
MC (v lo): 72dB (+/- 1dB)
MC (lo): 60dB (+/- 1dB)
MC (hi): 48dB (+/- 1dB)
MM: 36dB (+/- 1dB)
General
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
Dimensions: 6.2" x 4.6" x 1.4"
Weight: 1.14 lbs.