D/A Converter DAS-R1a

Sony Corporation; Tokyo

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  • Year
  • 1990 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 316432

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • DSP, Digital Signal Processor
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 100; 220-240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: D/A Converter DAS-R1a - Sony Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 470 x 125 x 410 mm / 18.5 x 4.9 x 16.1 inch
  • Notes

  • A stereo hi-fi digital to analogue converter housed in a metal cabinet with wooden side panels for use with the matching Sony CDP-R1a Compact Disc Player unit or with a CD player or CD transport with digital output. High density linear D/A converter system. With a Twin-Link input connector (for the CDP-R1a),  2 digital coaxial RCA phono input sockets and 2 digital optical input connectors, RCA phono unbalanced Line Out sockets and XLR-3-32 balanced Line Out connectors.

    Specification  
    Number of channels 2 channels stereo
    Frequency response 2 Hz - 20,000 Hz +0dB, -0.5dB
    (Sampling frequency of digital signal input 44.1 kHz)
    Total harmonic distortion less than 0.002%
    Signal-to-noise ratio more than 117 dB
    Dynamic range more than 100 dB
    Channel separation more than 110 dB
    Digital Inputs  
    Coaxial 1, 2
    (phono jack)    		 Input level 0.5 Vp-p
    Impedance 75 Ω
    Optical 1, 2
    (optical connector)    		 Input level -18 dBm
    Impedance Wavelength 660 nm
    Twin Link
    (Twin link connector)    		 Wavelength 800 nm
    Analogue Outputs  
    Unbalanced
    (phono jack)    		 Output level 2.5 V (50 kΩ)
    Impedance More than 10 kΩ
    Balanced
    (XLR-3-32 type)    		 Output level 2.5 V
    Impedance More than 600 Ω

    Versions/Power Requirements
    Japan /  100V AC 50/60Hz
    W. Germany /  220V-240 AC 50/60Hz

    Power consumption:   19W

  • Net weight (2.2 lb = 1 kg)
  • 17 kg / 37 lb 7.1 oz (37.445 lb)
  • Mentioned in
  • -- Original prospect or advert (Sony Hi-Fi Audio '91 catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual DAS-R1a dated 1990.8)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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