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NuPrime DAC-9SE


Reference class DAC designed for audiophiles.


With its IIS/DSD and XLR outputs and decoding capability of PCM 768K & DSD256, the NuPrime DAC-9SE is a reference-class DAC designed for audiophiles. With five digital and one analog stereo inputs, the DAC-9SE is a full-featured DAC and preamp ideally suited for high-end systems.

A Reference Class Preamp

To meet the requirement of customers who want to eliminate extra components in their system, a high-end preamp capable of driving the power amplifier directly is an essential part of the design. The Alita includes features borrowed from traditional high-end preamps:

  • Advanced, FPGA implemented switched-resistor ladder network for controlling volume, i.e., a single resistor in the signal path at any volume setting.
  • Individually adjustable volume on each input for precise source level matching.
  • Volume adjustment in 99 precise, 0.5dB increments.

The Heart

As the heart of an audio system, the Alita supports an extensive number of inputs and formats. Utilizing one of the world’s best performing 32-bit audio DACs, the AK4493, EQ is only a first step for designing the ultimate DAC. State-of-the-art solutions, readily available to all vendors, along with the experience and proprietary know-how in creating many Editor’s Choice and Product of The Year award-winning products elevate the NuPrime Alita well above the competition.

Power Circuit

The AC hum is kept to a minimum by using a low noise power supply with antivibration treatment. The rest of the onboard power circuit is designed to minimize noise as well.

Several notable features:

  • NuPrime SRC IC chip provides FPGA processing where Input signals are up-sampled to mega hertz before down converted to the targeted sampling rate with ultra-low jitter and distortion.
  • AKM Newest Generation: High Sound Quality Premium 32-bit Stereo DAC (AK4493 EQ). State-of-the-art DAC with warmer sonic characteristics, supporting USB PCM 384 and DSD256.
  • A proprietary NuPrime implementation that is also capable of decoding DoP formats via coaxial and optical inputs (to support NuPrime Omnia portable device that are able to output DoP stream in addition to S/PDIF).
  • NuPrime vibration-free isolation feet (patent pending*).
  • Extension port for Bluetooth dongle and WiFi audio streaming (optional).
  • Full microprocessor control with memory retention.
  • Five digital inputs and one stereo input for complete system flexibility.
  • Supports DSD native playback by ASIO2.1 and DoP method.
  • Ultra-low-noise JFETs in the input stage for the lowest possible noise floor.
  • Volume adjustment in 99 precise 0.5dB increments.
  • Advanced, FPGA implemented thin-film switched-resistor ladder network for controlling volume, with a single resistor in the signal path at any volume setting.
  • Individually adjustable volume on each input for precise level matching of sources.
  • Exclusive driver software for Windows. Standard driver software for Mac.
  • Asynchronous transfer mode.
  • Very low power consumption on Standby Mode.

Using Bluetooth and WiFi Audio Receivers and Dongles

NuPrime defined an USB Type-A port to carry S/PDIF data and 5V power for connecting to external wireless audio receiver using just one standard USB cable.

The NuPrime Omnia WR-1, Bluetooth dongle BT-9, and D-Stream Audio Primo HD (24-bit/192kHz) wireless receivers have a micro USB port that is compatible this specification. This allow a standard off-the-shelf USB-A to micro USB cable to be used for power for the receiver as well as wireless audio data transfer in S/PDIF format.

SPECIFICATIONS

  • Inputs:
    • 1 x USB PCM/DSD Digital (PCM up to 384kHz & DSD up to DSD256)
    • 1 x Coaxial Digital S/PDIF (PCM up to 768KHz supporting DoP format DSD256)
    • 1 x Optical Digital S/PDIF (PCM up to 192KHz supporting DoP format DSD64)
    • 1 x Bluetooth or WiFi receiver module (optional)
    • 1 x IIS/DSD HDMI connector (PCM 768KHz/32Bit and DSD 256 data streams)
    • 1 x Analog Stereo RCA
  • Outputs:
    • 1 pair of stereo RCA out: 4Vrms
    • 1 x pair of stereo XLR balanced out: 8 Vrms
    • 1 x Optical S/DPIF out (PCM up to 192KHz supporting DoP format DSD64)
  • Frequency response: 20 Hz – 20 KHz / ±0.3 dB
  • SNR: > 110 dB
  • THD+N: < 0.0005%
  • Dimensions: 235 mm W x 281 mm D x 55 mm H (including feet)
  • Weight: 2.5Kg
  • Worldwide AC voltage: (90VAC~130VAC // 210VAC~ 250VAC) with voltage select switch
  • AC Fuse: Slow-blow, 2.5A, 250VA
  • Available in black and silver anodized aluminum finish

Note : DAC-9SE does not guarantee that all IIS/DSD source will operate and be compatible due to wide variety of brands and custom specs.


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