Accuphase DF-55

Data

General

  • Manufacturer: Accuphase
  • Model: DF-55
  • Type: Active crossover
  • Years of manufacture: 2011 - 2017
  • Made in: Japan
  • Color: Champagne
  • Power consumption: 29 W
  • Dimensions (WxHxD): 465 x 151 x 396 mm
  • Weight: 14,7 kg
  • Original price 14'000 Euro


Connections

  • Number of inputs:
    • Analog:
      • Line: 3.7 V max. 20 kOhm
      • XLR: 3.7 V max. 40 kOhm
        • A/D converter principle: 1-bit delta-sigma modulation
          • Sampling frequency: 176.4 kHz
          • Quantization: 24 bit
    • Digital:
      • Digital Inputs:
        • COAXIAL Format: IEC 60958/AES3 compatible
        • Sampling frequencies 32 kHz to 192 kHz (16 to 24 bit, 2-channel PCM)
          • OPTICAL Format: JEITA CP-1212
        • Sampling frequencies 32 kHz to 96 kHz (16 to 24 bit, 2-channel PCM)
          • HS-LINK Connection format: RJ-45, HS-LINK cable
            • Ver. 1 Sampling frequencies 32 kHz to 192 kHz (24 bit, 2-channel PCM)
            • Ver. 2 Sampling frequencies 32 kHz to 384 kHz (32 bit, 2-channel PCM)
            • (352.8 kHz and 384 kHz are converted to 176.4 kHz and 192 kHz, respectively).
  • Number of outputs: 4
    • Analog:
      • Line: 2.5 V max. 50 Ohm
      • XLR: 2.5 V max. 50 Ohm
    • Digital output HS-LINK: Connection format: RJ-45, special HS-LINK cable.
      • Minimum load impedance BALANCED / LINE: 600 Ohm


Technical Data

  • Frequency response: 2 Hz - 50 kHz (+ 0 dB / -3 dB)

Distortion factor: 0.007 % (20 Hz - 20 kHz) Signal-to-noise ratio: 121 dB

  • Dynamic range: 118 dB
  • Crosstalk attenuation: 108 dB (20 Hz - 20 kHz)
    • Attenuation characteristics 6 dB/octave, 12 dB/octave, 18 dB/octave, 24 dB/octave, 48 dB/octave, 96 dB/octave
      • At crossover frequency of 10 Hz: 48 dB/octave and 96 dB/octave are not available, 20 Hz: 96 dB/octave is not available
  • "Analog ATT" level setting range Off: -40 to + 12.0 dB (0.1 dB steps)

Analog ATT" On: -50 to + 2.0 dB (0.1 dB steps)

      • Separate setting for left and right possible


Special Features

  • Memory display, shows the selected memory number and information for storing / recalling settings.


Remarks


Pictures

  • Extract from brochure: Accuphase DF-55

Accuphase DF-55-Prospekt-1.jpg


Reports

Links