- Dual inputs for two turntables (1 MM & 1 MC)
- Front panel input select switch
- Front panel mono/stereo mode switch
- Front panel rumble filter switch
- Balanced and unbalanced outputs
- Variable MC impedance adjustment of 50-1050 ohms
- MM Gain options of 40 dB or 50 dB unbalanced (46 dB/56 dB balanced)
- MC Gain options of 50 dB or 60 dB unbalanced (56 dB/66 dB balanced)
- RIAA accurate to within 0.2 dB
- Ultra-low distortion (<0.02% THD)
- Ultra high-speed, low-noise opamps
- Audiophile grade resistors and capacitors
- Gold-plated RCA input and output jacks
- Unique half-rack width chassis; 1 rack space high
Parasound Zphono XRM Phono Preamplifier
Tech Specs
Frequency Response
20-20 kHz, +/- 0.2 dB
Total Harmonic Distortion
0.02% at 1 kHz
Signal to Noise Ratio, MM 40 dB Setting
> 94 dB, input shorted, IHF A-weighted
> 90 dB, input shorted, unweighted
Signal to Noise Ratio, MM 50 dB Setting
> 94 dB, input shorted, IHF A-weighted
> 90 dB, input shorted, unweighted
Signal to Noise Ratio, MC 50 dB Setting
> 92 dB, input shorted, IHF A-weighted
> 88 dB, input shorted, unweighted
Signal to Noise Ratio, MC 60 dB Setting
> 82 dB, input shorted, IHF A-weighted
> 80 dB, input shorted, unweighted
Inter-channel Crosstalk
> 80 dB at 1 kHz
Input Impedance
MM: 47k Ω
MC: 50-1050 Ω
Input Capacitance
150 pF
Output Impedance
Unbalanced: 150 Ω
Balanced: 150 Ω per leg
Input Sensitivity at 1 kHz, 4mV Input
40 dB: 5 mV for 500mV output
50 dB: 5 mV for 1.5 Volts output
60 dB: 5 mV for 3 Volts output
Input Sensitivity at 1 kHz, 1V Output
40 dB: 10 mV for 1.0 Volt output
50 dB: 3.5 mV for 1.0 Volt output
60 dB: 1.8 mV for 1.0 Volt output
Total Gain
40 dB / 50 dB / 60 dB (unbalanced output)
46 dB / 56 dB / 66 dB (balanced output)
Rumble Filter
40 Hz high pass, 18 dB /oct.
AC Power Requirement
Standby: 0 watts
Power On: 7 watts
115 VAC or 230 VAC 50 - 60 Hz
(Selected on bottom)
Dimensions
Width: 8.5" (220 mm)
Depth: 10" (254 mm)
Depth: 12" (305 mm) - cables connected
Height, with feet: 2" (51 mm)
Height, without feet: 1.75" (45 mm), 1U
Weight
Net: 3.9 lbs. (1.8kg)
Shipping: 6.8 lbs. (3.1 kg)
