Phono One vs Icon Audio PS3 MkII
The PS3 MkII's signal-to-noise is 88 dB against the Phono One's 80 dB, its mm gain 53 dB against 54 dB, its output impedance 50Ω against 800Ω, and its weight 4 kg (9 lbs) against 3.6 kg (8 lbs).
AI-generated product photo — not official manufacturer imagery.
Phono One
Unison ResearchAmplifiersPhono Pre-Amps
Estimated price (community-sourced)
$1,990 - $3,499
Around — community and catalog average, updates slowly
About the Phono One
The Unison Research Phono One is a flagship tube phono preamplifier crafted in Italy for discerning vinyl enthusiasts. Renowned for its pure Class A, zero-feedback design, the Phono One employs five ECC83/12AX7 valves and an external power supply to deliver exceptional musicality and low noise. It supports both MM and MC cartridges, offering adjustable input impedance and capacitance for optimal cartridge matching. The chassis features a black-powder-coated steel case with elegant wood accents, combining classic aesthetics with robust build quality. Hand-soldered wiring, careful tube placement to minimize microphonics, and oversized power components ensure reliability and sonic purity. The Phono One is celebrated for its dynamic, expressive sound and is considered a reference-level phono stage in its class.
Specifications
Analog Output
Analog signal output specifications
- THD
- 0.100%
- SNR
- 80 dB
- Output Impedance
- 800Ω
Phono Preamplifier
Phono stage specifications
- MM Gain
- 54 dB
- Adjustable Loading
- Yes
- Loading Options
- 47000Ω, 100Ω, 50Ω, 22Ω
- Adjustable Capacitance
- Yes
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 373 × 58.4 × 246 mm (W × H × D)
- Weight
- 3.6 kg (8 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions