Reference Pre vs Jadis JPS-2
The JPS-2's output impedance is 600Ω against the Reference Pre's 500Ω, its weight 31 kg (68 lbs) against 30 kg (66 lbs), and its width 430 mm against 450 mm. Both share thd (0.100%).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPre-AmplifiersTube AmplifiersPhono Pre-Amps
Estimated price (community-sourced)
$13,450 - $24,999
Around — community and catalog average, updates slowly
About the Reference Pre
The Unison Research Reference PRE is a high-end valve stereo preamplifier featuring a 300B line stage and a separate valve phono section. It provides four RCA line inputs, two XLR inputs, two independent phono inputs with selectable resistance and capacitance loading, and a tape input. The phono stage offers 45–55 dB of gain and uses four 6C45P and two ECC83 valves; the line stage uses two 300B, two ECC82, two ECC83, and two 6C45P valves.
Specifications
Power Specifications
Amplification power output and characteristics
- Amplifier Class
- tube
- Input Impedance
- 47000Ω
Analog Output
Analog signal output specifications
- THD
- 0.100%
- Output Impedance
- 500Ω
Phono Preamplifier
Phono stage specifications
- MM Gain
- 45 dB
- HOMC Gain
- 55 dB
- Adjustable Loading
- Yes
- Adjustable Capacitance
- Yes
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR, tape, phono
- Analog Outputs
- RCA, XLR, tape, subwoofer
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 450 × 220 × 560 mm (W × H × D)
- Weight
- 30 kg (66 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions