Astell&Kern AK70 64GB Portable High-Resolution Audio Player and USB DAC (Misty Mint)

Astell&Kern AK70 64GB Portable High-Resolution Audio Player and USB DAC (Misty Mint)

Astell&Kern AK70 64GB Portable High-Resolution Audio Player and USB DAC (Misty Mint)

Astell&Kern AK70 64GB Portable High-Resolution Audio Player and USB DAC (Misty Mint)

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Astell&Kern 3PPE127C-CMGNN1 overview

  • 1Description

The misty mint AK70 Portable High-Resolution Audio Player and USB DAC from Astell&Kern uses the Cirrus Logic CS4398 chip and supports 24-bit/192 kHz bit-to-bit type playback. The 64GB of on-board storage can be expanded with a microSDXC card.

32-bit audio is downsampled using a sample-rate converter, and DSD 64/128 can be played back through conversion to PCM. The AK70 player sports 3.5mm, 3-pole unbalanced and 2.5mm, 4-pole balanced headphone jacks. The balanced output is capable of removing noise (common mode noise) that can occur in signal and inverting amplifier signal, and has the strength of increasing output due to its double transmitting signals.

The audio player supports USB audio digital out and allows you to connect diverse digital-input portable amps through USB. It can transfer DSD in native through DoP and also convert 5.6 MHz DSD into PCM for output to portable amps that do not support DoP.

The AK70 music player can be used with a USB DAC that can double as an embedded sound card by connecting with a Windows or Mac computer through the USB port. The AK70 will simplify the playback of DSD files on your computer.

The player is designed with an oblique angle on one side of the body so that it can fit the contour of the user's thumb. The volume wheel is designed to be protruding slightly from a concave surface so that you can control volume with a simple motion of sliding your finger up and down. In addition, the player comes in an anodized aluminum casing.

Works with the Astell&Kern CD-Ripper

Allow users to rip CDs with ease by linking with the AK CD-Ripper (sold separately)
Supports the CD track error correction feature and the meta data (ID3TAG) auto input feature using Gracenote's database

AK Connect

Equipped with the AK Connect feature that can be connected with network-ready Astell&Kern devices
DLNA 1.0 wireless networking makes it easy to work with NAS/PC on the same network and through an AK Connect app supporting a smartphone/tablet computer

Audio Performance

Frequency Response: ±0.075 dB (20 Hz - 20 kHz), unbalanced & balanced
Signal-to-Noise Ratio: 116 dB @ 1 kHz, unbalanced / 116 dB @ 1 kHz, balanced
Crosstalk: 130 dB @ 1 kHz, unbalanced / 130 dB @ 1 kHz, balanced
THD+N: 0.0008% @ 1 kHz, unbalanced / 0.0007% @ 1 kHz, balanced
IMD SMPTE: 0.0007% 800 Hz 10 kHz (4:1), unbalanced / 0.0006% 800 Hz 10 kHz (4:1), balanced
Output Impedance: Balanced Out (2.5 mm): 1 ohm / Unbalanced Out (3.5 mm): 2 ohm
Clock Jitter: 50 ps (typical)
In the Box
Astell&Kern AK70 64GB Portable High-Resolution Audio Player and USB DAC (Misty Mint)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Astell&Kern 3PPE127C-CMGNN1 specs

    Frequency Response 20 Hz - 20 kHz
    Impedance 2 Ohms (Balanced)
    Signal to Noise Ratio 116 dB
    Internal Storage Capacity 64 GB
    Flash Media Slot 1 x microSD (Unspecified Type)
    Display 3.3" LCD (480 x 800 Resolution)
    Media Support
    FM Tuner No
    Video Recording No
    Video Playback No
    Formats Supported Audio: WAV, FLAC, WMA, MP3, OGG, APE (Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF, DSD (5.6 MHz; converts to PCM)
    Wireless Bluetooth 4.0
    Connections Micro-USB 2.0
    1/8" (3.5 mm) Stereo Headphone
    2.5 mm Audio Output
    Battery 1x Built-In Rechargeable Lithium-Polymer Battery 2200 mAh
    System Requirements Operating System
    Windows XP, 7, 8
    Mac OS X OS X 10.7
    Dimensions (W x H x D) 2.3 x 3.8 x 0.5" / 58.4 x 96.5 x 12.7 mm
    Weight 4.6 oz / 130.4 g
    Packaging Info
    Package Weight 0.65 lb
    Box Dimensions (LxWxH) 5.2 x 3.8 x 1.9"

    Astell&Kern 3PPE127C-CMGNN1 reviews

    AK70 64GB Portable High-Resolution Audio Player and USB DAC (Misty Mint) is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Forget music on your phone! Over time as technology has progressed we have traded quality of sound for portability. Records to cassettes to CD's to MP3's have allowed us to travel with zero songs in our pocket to a few to now thousands. I loved this and over time I hadn't noticed what I gave up. I recently rediscovered my love for the details and depth of the sounds the artists created with the AK70 in uncompressed audio. I have been ripping every CD I have in FLAC format and downloading others here and there at 24 bit depth. CD's are 16 bit depth which is already mind blowing on this device. I knew I needed to pick up headphones to match this device and I ended up going with theAK T8iE Mk which B&H labels on their site as Astell&Kern Special Edition. The headphones are expensive but paired together the sound is so incredible I have been sitting on the couch listening to every detail of sound. This has made music an experience again and not just something I only play in the background. I highly recommend this device. I had compared it to the AK Jr but this is newer and has a better design. Also, compared to the Onkyo DP-X1 I finally decided on the AK after committing to picking up the headphones since they come with a balance cable and the pairing is outstanding.
    Date published: 2016-12-01
    • y_2018, m_12, d_4, h_18
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