Pro-Ject Pre Box RS



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The Pre Box RS is a reference-grade 2-channel preamplifier featuring a fully balanced dual-mono design with a vacuum tube based output stage. The circuit design is both ultra quiet and highly linear using no global negative feedback. Operating in pure Class A the Pre Box RS is capable of producing stunning musical realism from any line level source. There are numerous source connectivity options using either two pairs of balanced XLR's or the three pairs of single-ended RCA jacks. High-quality component parts are used throughout including low ESR capacitors, rugged relays, reliable dip-switches and a motor driven Alps potentiometer to control output level. All circuitry is encased in a heavy and rigid aluminum chassis that is mechanically constructed using anti-microphonic techniques. A robust highly regulated and filtered outboard power supply delivers ample voltage for impressive dynamic capabilities and in the near future an upgraded power supply will be available as an option. An IR remote control is supplied.

Specifications:

  • Tubes: 2 x ECC88 (6922)
  • Frequency Response: 20Hz - 50kHz (0dB/-0,08dB)
  • Noise Floor: -95dB (A-Weighted)
  • THD: 0.06%
  • Gain: 12dB (18dB using XLR outputs)
  • Record Out: 1 pair RCA Jacks
  • Pre Out: 1 pair XLR, 1 pair RCA Jacks
  • Line-Level Inputs: 3 pairs RCA Jacks, 2 pairs XLR
  • Input Impedance: 150k ohms
  • Power Supply: 18V/1A DC
  • Power Consumption: 700mA AC, <1W in standby
  • Dimensions (W x H x D): 8.1 x 2.9 x 7.9 in., 206 x 72 x 200 mm
  • Weight: 4.3 lbs., 1,950g without power supply
  • Finish: Black or Silver

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