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Accuphase DAC-50 Option Board

POA

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Free Delivery in NZ
for orders over $100 or $5 under $100.

Product Description

The DAC-50 is an optional digital input board that supports a broad range of digital sound sources and is equipped with a high-precision MDS type D/A converter for optimal sound quality. The converter uses AK4490EQ chips from Asahi Kasei Microdevices in a double parallel configuration per channel. Installing the board in a slot on the rear panel of a supported Accuphase component provides direct input capability for signals from digital components for high-grade playback. Three types of inputs are provided: USB (Type B), OPTICAL (for optical fiber cable), and COAXIAL (for coaxial cable). The USB input handles signals up to 11.2 MHz / 1-bit 【DSD】 and 384 kHz / 32-bit【 PCM】, the coaxial input supports up to 192 kHz / 24-bit and the optical input up to 96 kHz / 24-bit.

Option board compatibility chart.

Function

  • An automatic change of the coax input / optical fiber /USB input
  • Automatic recognition of number of sampling frequency /bit /MHz de-emphasis

Specifications

Guaranteed specifications

  • USB      :USB 2.0 High Speed (480Mbps) compliant
              :Sampling frequency DSD/2.8224MHz,5.6448MHz,11.2896MHz(1bit) *11.2896MHz(ASIO only)
              :PCM/ 32kHz~384kHz,32bit
  • OPTICAL:JEITA CP-1212 compliant
              :Sampling frequency 32kHz~96kHz, 24bit
  • COAXIAL:IEC 60958/AES-3 compliant
              :Sampling frequency 32kHz~192kHz, 24bit
  • About sampling frequency display
    when DAC-50 is installed in C-2120, E-600, E-470, E-370, or E-270

    Sampling frequencies up to 192 kHz are shown as is.
    Signals with the following sampling frequencies are handled without problem,
    but the indication is always "192.0 kHz":
    【DSD】 2.8224 MHz, 5.6448 MHz, 11.2896 MHz
    【PCM】 352.8 kHz – 384 kHz