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Accuphase Digital Inputs DAC-50

Accuphase



Digital Inputs DAC-50

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

 

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
  • 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【PCM】 352.8 kHz – 384 kHz 

* The reproduction of music data by the USB depends on OS on the PC and softwareof music reproduction. * Please refer to the manual of the PC for setting and the connection method of the PC about USB.
SUPPLIED ACCESSORIES
  • USB Utility CD-ROM

Click here to know more about USB driver2.

 

CONNECTION

* If multiple input signals are supplied at the sametime, the unit automatically locks onto a signal when"OPTION 1" is selected, using the following priority sequence: COAXIAL → OPTICAL → USB

* To exclude a signal from being selected, either disconnect the cable or turn power of the respective equipment off.

 

PHOTO SHOWS OPTION BOARD INSTALLATION EXAMPLE


CONNECTION EXAMPLE OF DAC-50

 

Download the Brochure here.

Download the Fact Sheet here.

 

 

USB

Format  USB 2.0 Hi-Speed (480 Mbps) compliant
Sampling Frequency

2.8224 MHz, 5.6448 MHz, 11.2896 MHz (1-bit 2-channel DSD) (11.2896 MHz: ASIO only)

32 kHz – 384 kHz (16 – 32-bit 2-channel PCM respectively)

Suitable Cable USB 2.0 cable with Type B connector (max. 2 m)

 

OPTICAL

Format  JEITA CP-1212 compliant
Sampling Frequency 32 kHz – 96 kHz (16 – 24-bit 2-channel PCM respectively)
Suitable Cable JEITA standard optical fiber cable

 

COAXIAL

Format IEC 60958 AES-3 compliant
Sampling Factor

 32 kHz – 192 kHz

(16 – 24-bit 2-channel PCM respectively)

Suitable Cable 75-ohm coaxial digital cable

 

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

 

Supported models

● Preamplifiers C-2000, C-2110, C-2120, C-245 (※), CX-260 (※)

● Integrated amplifiers   E-213, E-250, E-260, E-270, E-307 (※), E-308 (※), E-350, E-360, E-370, E-408, E-450, E-460, E-470, E-530, E-550, E-560, E-600, E-650

Input selection, sampling frequency display and other specifications differ depending on the model. (※: Installing two DAC-XX boards is not supported.)

*The capability for playback of music data via USB depends on the operating system and music playback software of the computer.

* For information on settings for USB and connection methods, please refer to the computer documentation.

Supplied accessory

● USB Utility 2 CD-ROM

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