MoFi Electronics UltraPhono Pro Phonostage
Created in collaboration with renowned audio engineer Peter Madnick, UltraPhono Pro distills the core architecture of our flagship MasterPhono into a streamlined, single-input, all-analog phono stage. The mission is the same: preserve the sonic integrity MoFi’s mastering engineers capture in the studio by extracting maximum information from your cartridge with as little loss as possible—delivering a natural, unforced presentation without unnecessary complexity.
Description
SPECIFICATIONS
RCA jack, voltage mode, single-endedGain:
RCA output: 40dB, 52dB, 65dB
Balanced output: 46dB, 58dB, 71dB
THD:
10mV@1kHz 40dB gain: 0.005% A-Weighted
10mV@1kHz 65dB gain: 0.005% A-Weighted
1mV@1kHz 40dB gain: 0.010% A-Weighted
1mV@1kHz 65dB gain: 0.013% A-Weighted
Loading:
100 Ohms, 300 Ohms, 500 Ohms, 1k Ohms, 47k Ohms
Output Impedance:
Balanced: 230 Ohms
Unbalanced: 115 Ohms
Max Output:
Maximum Output @1% THD, 10 Volts RMS
RIAA Accuracy:
±0.05dB
Frequency Response:
10Hz–50kHz ±0.20dB
S/N Ratio (20Hz–20kHz):
A-Weighted
Balanced 40dB gain: 82dB, 93dB
Balanced 65dB gain: 78dB, 85dB
RCA 40dB gain: 75dB, 83dB
RCA 65dB gain: 69dB, 75dB
Dimensions:
17” x 2.5” x 11.35”
Weight:
7 lbs
FEATURES
Additional Features:
• Single-input implementation of MasterPhono’s core architecture
• Fully discrete J-FET & MOSFET input/output stages
• Passive RIAA equalization with zero feedback
• Seven-stage regulated balanced power supply
• Front-panel gain and loading controls
• Ultra-low-noise design with carefully selected components
• Precision RIAA accuracy (±0.05 dB)
• Brushed-aluminum panels with rigid steel frame
