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2013-May

Pictures Astell&Kern AK120

Nick Name: Golden Ears Registered Date: May 31, 2013, 00:02:31 IP ADRESS: *.56.123.5 Views: 16885

 00.Astell&Kern-AK120 .png

 

 

Features

 

  • Meets 100% of Hi-Fi audio specifications
  • Equipped with the world’s first portable Wolfson WM8740 24-bit, 192kHz DAC
  • Can be used as an external optical DAC
  • Touch equalizer (EQ) easily manipulated by the fingertips
  • A user interface with an analog feel
  •  

       

    Specifications  

      

    General Specifications

      - Display

      - Supported Audio Formats

      - Sample rate

      - Output Level

      - DAC

      - Decoding

      - Charging Interface

      - Interface

      - Dimensions

      - Weight

      - Feature Enhancements

      - 2.4inch QVGA (320 x 240) IPS Touchscreen

      - WAV, AIFF, FLAC, ALAC, APE, MP3, AAC, WMA, OGG

      - WAV, AIFF, FLAC, ALAC : 8kHz ~ 192kHz (8/16/24-bits per sample)

      - L: 1.5Vrms + R: 1.5Vrms (Condition No Load)

      - Wolfson WM8740 24-bit DAC (High-End Audio DAC) x2

      - Supports up to 24-bit / 192kHz Bit to Bit Decoding

      - Micro USB Type-B

      - USB 2.0, OPTICAL IN/OUT, Headphone Out

      - 2.33 ”(59.2 mm) [W] x 3.50 ”(89 mm) [H] x 0.57 ”(14.4 mm) [D]

      - 5 oz (143 g)

      - Firmware upgrades supported

     
    Audio Performance

      - Frequency Response

      - Signal to Noise Ratio

      - Crosstalk

      - THD+N

      - IMD SMPTE

      - Output Impedance

      - ±0.02dB (Condition: 20Hz~20kHz) / ±0.2dB (Condition: 10Hz~70kHz)

      - 113dB (1kHz 0dB, 24-bit 48kHz, No Load)

      - -128dB (1kHz 0dB, 24-bit 48kHz, No Load)

      - 0.0008% Typ (1kHz 0dB, 24-bit 48kHz, No Load)

      - 0.0005% (24-bit 48kHz, No Load) 800Hz 10kHz (4:1)

      - 3ohm

     
    Clock source

      - Clock Jitter

      - 50ps (Typ)

     
    Battery

      - Capacity

      - Continuous Playback Time

      - Charge Time

      - 2,350mAh 3.7V Li-Polymer Battery

      - Up to 14 hours (Standard - MUSIC: FLAC, 16-bit, 44kHz, Volume 37, EQ Off, LCD Off)

      - About 6.5 hours

     
    Memory

      - Built-in Memory

      - External Memory

      - 64GB [NAND]

      - microSD (Max 64GB) x2

     
    OS

      - Supported OS

      - Windows XP, Windows Vista,7,8 (32/64bit), MAC OS X 10.6.5 and up

       

    Pictures

     

     01.DSC01923.png 02.DSC01927.png 03.DSC01949.png 04.DSC01953.png 05.DSC01958.png 06.DSC01962.png 07.DSC01969.png 08.DSC01971.png 09.DSC02115.png 10.DSC02105.png 11.DSC02071.png 12.DSC02081.png 13.DSC02079.png 14.DSC02113.png 15.DSC02151.png 16.DSC01989.png 17.DSC02010.png 18.DSC01991.png 19.DSC01997.png

      

     

    Price 

     ₩ 1,480,000 (Won) / May 31, 2013

     Creative Commons License
    Images, text and measured data by Golden Ears Corporation is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

     

    Golden Ears Test System - for more information (Link)
    1. HATS: Bruel & Kjær - Head and Torso Simulator Type 4128C
    2. Microphone Amplifier: Bruel & Kjær - NEXUS Conditioning Amplifier 
    3. Audio Interface: Lynx L22
    4. DAC: Golden Ears D/A Converter
    5. Headphone Amplifier: Golden Ears Headphone Amplifier 

    How we test
    1. Headphone / Earphone
    2. Speaker
    3. Amplifier / DAP
     

    How to read G.E. Graph
    1. Earphone / Headphone
    2. Speaker (Directivity Pattern)
    3. DAP / Amplifier

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