April Music Stello DA100 Signature Manual
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April Music Stello DA100 Signature Manual

High-end digital-to-analog converter with usb input
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Summary of Contents for April Music Stello DA100 Signature

  • Page 2 Thank you for buying the Stello DA100 Signature. Unpretentious in appearance, the DA100 Signature digital-to-analog converter packs stunning performance in a compact form. Like its sibling DA100, the Signature version is a high-end audiophile DAC, featuring high-resolution 24 Bit / 192 kHz upsampling. Many of the features of our legendary DA220 DAC have been incorporated in the smaller platform of the DA100 Signature.
  • Page 3 DA100 Signature Overview An Elegant High-End D/A Converter Simple to use and elegant in appearance, April Music's DA100 Signature is a reference-quality high-end digital-to-analog converter incorporating state-of-the-art technology. Tuned for pure reproduction of music, it's not merely a DAC but a true high-end solution for serious audiophiles.

  • Page 4: Analog Output Stage

    Premium Quality Components The components used in the DA100 Signature are true high-end audiophile grade. Premium chipsets include the digital receiver, 24 bit / 192 kHz upsampling chip and the digital-to-analog converter, with 120 dB dynamic range. Superior quality audio playback is further guaranteed by the use of premium quality passive components throughout, including WIMA polypropylene capacitors and 1% tolerance resistors.

  • Page 5: Front Panel

    Front Panel STANDBY : A push-button front panel standby switch is used for normal and standby operation. An illuminated red LED above it indicates the DA100 Signature is operating. The actual power switch is on the rear panel and should remain on continuously. UPSAMPLE : AES / EBU, S/PDIF (Coax), Optical (Toslink) and USB Input modes: You can select either 24 Bit /192kHz upsampling (green LED), 24 Bit / 96 kHz upsam-...

  • Page 6: Rear Panel

    Rear Panel DIGITAL INPUTS : 5 input ports are ready (AES / EBU, COAX, OPT, USB, I²S). Please make sure that you have proper cables for each input. COAX : Theoretically, all digital inputs have the same music quality. But, we believe what we hear, and in the real world of hi-fidelity, COAX is typically better than other connections.
  • Page 7 PIN 1 : word clock PIN 2 : bit clock PIN 3 : audio data PIN 4 : master clock PIN 5 : not connected Shield : circuit ground Note: I²S interface cable should be as short in length as possible with its master clock, word clock, bit clock, and audio data in individually shielded cable for the best perfor- mance.

  • Page 8: Analog Outputs

    DA100 Signature is designed for pure playback mode only. ANALOG OUTPUTS : There are left and right analog outputs on the back of the DA100 Signature. Connect these outputs to your preamplifier or integrated amplifier, making sure the "left" and "right"...

  • Page 9: Connection And Operation

    Connection & Operation How to connect DVD PLAYER CD TRANSPORT PC (USB OUTPUT) SET-TOP BOX T100-CD TRANSPORT (AES/EBU OUTPUT) S OUTPUT)
  • Page 10 How to operate 1) Make sure that the level of your preamplifier or integrated amplifier is set to a low volume level. 2) Turn the ‘Power’ Switch up on the rear panel. Then push the ‘Standby’ button on the front panel (Red LED will light). 3) Select your input by rotating the INPUT knob (AES / EBU, COAX, OPT, USB, I²S).

  • Page 11: Features And Specifications

    Features & Specifications FEATURES Digital input interface - Strong protection against external interferences. - Minimizes transmission errors. - 200 mV sensitivity on all S/PDIF inputs. Upsampling & D/A Converter - Asynchronous Sampling Rate Conversion using a proprietary and specially designed clock circuitry for extremely low jitter.

  • Page 12: Specifications

    SPECIFICATIONS Digital inputs 1 AES / EBU, 1 COAXIAL, 1 TOSLINK, 1 USB, 1 I²S Digital filter Proprietary 6th-order digital filter Analog output 1 pair RCA unbalanced stereo, Output voltage 2.4 Vrms@ 1 kHz 1 pair Neutrik balanced stereo Polarity : (Pin2 : +, Pin3 : -, Pin1 : Ground), Output voltage : 5.2 Vrms (2.6 Vrms@ each leg,1 kHz) Dynamic range 110 dB typical...

  • Page 13: Warranty

    DA100 Signature owners who have purchased their units second hand can inherit the remaining waranty period by contacting April Music, Inc. via e-mail or a letter to activate the remaining warranty. In the event of failure during the warranty period, April Music, Inc. will repair the DA100 Signature at no charge as long as provided unit is in normal use.

  • Page 14: Contact Information

    Contact Information April Music, Inc Alpha Building, 894-18 Bangbae-Dong Seocho-Gu, Seoul, Korea, 137-860 South Korea Phone : +82-2-3446-5561 Fax : +82-2-3446-5564 Web : www.hifi500.com, www.aprilmusic.com Purchasing inquiries : info@hifi500.com Technical inquiries : info@aprilmusic.com April Music, USA Sales Representatives 24521 SE Windsor Blvd.
  • Page 15 Manufactured by April Music, Inc. contact +82 2 3466 5561 (Seoul, Korea) info@hifi500.com www.hifi500.com www.hifi500.com...

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