Pro-Ject Phono Box RS2 Black
Reference class phono preamplifier with unique impedance control
The Phono Box RS2 is the ultimate phono preamplifier of the highest class. It is fully balanced from the input to the output. Electronics are fully discrete, no op-amps are in use and it uses split passive RIAA and DECCA equalization.
Features
• MM & MC capable
• Fully balanced, true dual mono design
• Fully discrete hardware design - NO Op-amps!
• Fully passive RIAA & DECCA equalisation
• Balanced XLR & unbalanced RCA In & Outputs
• Unique continously variable input impedance loading and channel balance control to match every cartridge to 100% (adjustment even while playing)
• Superior low noise / low distortion
• Metal casing protects against vibration and interference
• Available in silver or black
Technical Specifications
Input impedance: Fixed 47kohms, variable 10 - 1000 ohms
Load capacity switchable: 50, 100, 150, 200, 250, 300, 350, 400 pF
Gain MM: RCA: 40, 43, 46, 50 dB (+6dB using XLR)
Gain MC: RCA: 60, 63, 66, 70 dB (+6dB using XLR)
Signal to noise ratio: MM (40dB): 89dB A-wt (10mV); MC (60dB): 79dB A-wt (1mV)
THD: < 0,0015% (MM 40dB, 1kHz); < 0,0024% (MC 60dB, 1kHz)
RIAA accuracy: within 0,4dB/20Hz - 20kHz
SubsonIc: at 20Hz with 18dB/octave
Inputs: RCA & XLR
Outputs: RCA & XLR
Power supply: 20V/3A DC; 110 - 240V, 50/60Hz
Power consumption: 350mA DC < 1 watt standby
Dimensions W x H x D (with sockets): 206 x 72 x 200 mm
Weight: 1600 g without power supply
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