Fully discrete JFET and MOSFET input and output stages for maximum signal integrity and musicality
Passive RIAA equalization with zero feedback preserves natural transients and tonal realism
Five selectable loading resistive positions for optimal cartridge matching
Single-ended RCA and balanced XLR outputs for flexible integration with various preamplifiers
Hermetically sealed gold-on-gold relays and film foil capacitors for long-term reliability and purity
Summarized by Shop
Buyer’s Guide
Read the full guide to the MoFi UltraPhono Pro
Compare the MoFi Phono Stages
Plain-English Guide: what every feature does
Audiophile Deep Dive: the engineering explained
Overview The MoFi Electronics UltraPhono Pro is a single-input, all-analog MM/MC phono preamplifier that distills the architecture of the flagship Maste
Input
RCA jack, single-ended
Output
Single-ended RCA and balanced XLR, selectable gain (40/52/65 dB RCA; 46/58/71 dB XLR)
Loading
Five resistive positions (100, 300, 500, 1k, 47k Ω)
Frequency Response
10 Hz – 50 kHz (±0.20 dB)
S/N Ratio
Balanced 40 dB, 65 dB; RCA 40 dB, 69 dB
Dimensions
17 in W x 2.0 in H (no feet), 2.5 in with feet x 9.875 in D, 11.375 in with knobs and jacks
Weight
7 lbs
Power Supply
Seven-stage regulated, balanced, AC 100V–260V auto-switching