The new Aurora Sound PREDA III Classic preamp from Japan feature a dual ALPS RK501 series potentiometers, left and right channel independent motherboard with two amplifier modules, and an output buffer for each channel. Both the amplifier and the power supplies are equipped with high-quality semiconductors from the heyday of audio technology by NEC and Toshiba, etc

Product Specifications

  • Input terminal: LINE 6 system (XLR balanced x 3, RCA unbalanced x 3)
  • Output terminal: PRE3 system (XLR balanced x 2, RCA unbalanced)
  • Maximum allowable input level: 8Vrms max
  • Input impedance: 20kΩ (RCA unbalanced), 40kΩ (XLR balanced)
  • Output impedance: 47Ω (RCA unbalanced), 94Ω (XLR balanced)
  • Gain: 9.5dB
  • Frequency characteristics: 10Hz-100kHz (-1.5dB, both XLR / RCA)
  • Distortion rate + noise: 0.001% (XLR), 0.002% (RCA) / 10Hz-90kHz
  • S / N ratio: 110dB (XLR), 103dB (RCA) / 2Vrms A-weighted
  • Dimensions / Weight: W484 x H98 x D360mm / 7.5kg
  • Power consumption: 60W (AC100V 50 / 60Hz)
  • Remarks: Phase switching/mute (L / R ch independent), stereo / monaural switching equipment