Some detail - google translated
November 24, 2015
November 24, 2015 (Tuesday)
THE EVOLUTION CONTINUES
Ultimate sound that was realized to more people in the top-level model "AK380".
It was followed the basic design of the AK380 is the emergence of a new standard model.
Announcement of "Astell & Kern AK320" announcement
Ayuto (President Shinichi Watanabe, Head Office: Tokyo) Co., Ltd. from "Astell & Kern (Astel and Cologne)", was followed the basic design of the top-level model "AK380", high-resolution portable audio
players, "Astell & Kern AK320" pleased to announce.
Product details, and Release Date and selling price in Japan becoming undecided, but I will as soon as is again the guidance decision.
brand | Name / Part | Release Date / JAN | price |
Astell & Kern | Astell & Kern AK320 128GB gunmetal
AK320-128GB-GM | Undecided
4549325021483 | Undecided |
AK320 Overview
Astell & Kern is defined as always aims to "artists faithfully reproduce the sound of the studio mastering quality at Bit-to-Bit with the aim", has developed the AK380 is the top model.
AK320 to follow the basic design, the ultimate sound has gained worldwide reputation, for enjoy to more people, it is a new standard model.
Major features
- Asahi Kasei Electronics "AKM AK4490" of state-of-the-art DAC, is equipped with dual DAC configuration
And ultra-low-jitter 200 Femto sec is achieved, VCXO reference Clock (voltage-controlled crystal oscillator) mounted
· PCM up to 384kHz / 32bit, corresponding to the reproduction of DSD128 (5.6MHz / 1bit)
- Native SaiTadashi until 192kHz / 24bit - 352.8kHz to 176.4kHz, 384kHz to 192kHz, 32bit is down-converted to 24bit,
DSD is converted to PCM176.4kHz / 24bit
• The Parametric EQ (20 Band EQ / 0.1dB) to allow a high degree of sound quality adjustment featured
• Internal memory 128GB mounted, supports up to 256GB in conjunction with external microSD
· DLNA-enabled network function "AK Connect"
- Streaming playback from PC / NAS via Wi-Fi, and the transfer of music files - streaming playback from the smartphone-tablet to Wi-Fi via in AK320 - the AK Connect App from installed smartphone tablet via Wi-Fi AK320 The remote operation
Body material as well as AK120II / AK100II, adopt the aluminum of high rigidity
· AK380 options, AK CD-RIPPER / AK380 Cradle will be released AK380 AMP and soon also can be connected.
Earn high scalability that exceeds the frame of the portable player.
· 2.5mm / 4-pole balanced output equipped
Display a wide metal touch sensor Home button mounted that can be utilized
Main Specifications
| Astell & Kern AK320 | |
Body color | Gunmetal | |
Recording medium | Built-in capacity | 128GB (NAND flash) * including system area |
Expansion slot * 1 | microSD card slot × 1 slot (SDHC / XC up to 128GB / exFAT support) | |
Music reproduction | Body From the possible number * 2 | About 780 songs (FLAC / 192KHz / 24bit)
About 4,940 songs (FLAC / 44.1KHz / 16bit) |
Continuous playback * 3 | About 10 hours (FLAC / 44.1kHz / 16bit) about 6 hours (WAV / 192KHz / 32bit) | |
file format | WAV, FLAC, MP3, WMA, OGG, APE, AAC, ALAC, AIFF, DFF, DSF | |
Sampling rate | 8kHz, 16kHz, 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz
(* 352.8kHz is down-converted 176.4kHz, 384kHz is to 192kHz) | |
DSD64 (1bit 2.8MHz), stereo / DSD128 (1bit 5.6MHz), stereo (* DSD is converted to PCM176.4kHz / 24bit) | | |
Quantization bit rate | 8bit, 16bit, 24bit, 32bit (Float / Integer * 24bit down-converted) | |
bit rate | FLAC: 0 ~ 8, APE: Fast ~ High, MP3 / WMA: up to 320Kbps, OGG: Up to Q10, AAC: up to 320Kbps | |
Folder management | ○ | |
Tag information | ID3 V1 Tag, ID3 V2 2.0, ID3 V2 3.0 | |
Database management | Music (All / MQS / DSD), by album, by artist, genre | |
Resume function | ○ * playback from the beginning | |
Album Art | ○ | |
Lyrics display | ○ | |
Playlist function | ○ | |
Playback method | Normal playback, shuffle | |
Repeat mode | Repeat, one track repeat | |
Equalizer function | PRO EQ (fixed), user EQ (20Band: 30Hz ~ 18KHz / Gain: ± 5.0 / Q value: 1-4) | |
Gapless playback | ○ (WMA / APE is not supported) | |
audio | D / A converter | AKM (Asahi Kasei), Inc. AK4490 × 2 (Dual DAC) |
Input terminal | USB microB terminal (charging and data transfer · USB-DAC) | |
Output terminal * 4 | Earphone (unbalanced) output / optical digital output (3.5mm), the balance output (2.5mm / 4-pole), the expansion unit for the balanced output terminal | |
USB-DAC function * 5 | 44.1kHz ~ 384kHz / 16bit · 24bit · 32bit DSD 2.8MHz · 5.6MHz | |
Output Level | Unbalance 2.1Vrms, balance 2.3Vrms (no load) | |
Output impedance | Unbalanced outputs (3.5mm) 2Ω / balanced output (2.5mm) 1Ω | |
Frequency characteristic | ± 0.053dB (20Hz ~ 20kHz imbalance and balance), ± 0.56dB (10Hz ~ 70kHz imbalance), ± 0.55dB (10Hz ~ 70kHz balance) | |
S / N ratio | 116dB (unbalanced) / 117dB (balance) (1kHz) | |
Stereo crosstalk | 130dB (unbalanced) / 135dB (balance) (1kHz) | |
THD + N | 0.0008% (unbalanced) / 0.0007% (balance) (1kHz) | |
IMD | 0.0007% 800Hz 10kHz (4: 1) imbalance / 0.0006% 800Hz 10kHz (4: 1) balance | |
Clock jitter | 30ps (typ) | |
Reference clock jitter | 200fs (VCXO Clock) | |
Physical key | Power-screen on / off, rewind, play / pause, fast forward, volume dial, metal touch sensor | |
Lock function | Dial volume lock (can be set from the notification bar to pull out from the upper part of the screen) | |
Volume control | 151 step | |
Wifi | standard | IEEE 802.11 b / g / n (2.4GHz) |
Bluetooth | Version | 4.0 |
Profile * 6 | A2DP, AVRCP | |
Corresponding codec | SBC, apt-X | |
-Enabled OS * 7 | Windows 10 (32bit / 64bit), 8 / 8.1 (32bit / 64bit), 7 (32bit / 64bit), XP, Mac Os X 10.7 or more | |
power supply | battery | Built-in lithium polymer battery (3,400mAh / 3.7V) |
Auto-off function | Auto (when there is no operation) power off, backlight off (no operation at the time), sleep timer | |
Charging method * 8 | Charging only (when the power is turned off), charging & Play & Data Transfer | |
USB | shape | microUSB (5pin) |
Connection method | MTP (media device) system | |
screen | Display | Display 4.0-inch TFT color LCD (capacitive touch screen) |
resolution | WVGA (480 × 800 dots) | |
Size (W × H × D) | About 79.8 × about 112.4 × about 17.9 (mm) | |
weight | About 230g | |
Included items | microUSB cable, leather case, screen protective sheet x1,
Back protective sheet × 1, microSD card slot cover x2, quick start guide, warranty card (body one year / accessories 90 days) | |
JAN | 4549325015680 | |
Model number | AK320-128GB-GM | |
* 1 microSD card is sold separately. It is not intended to guarantee the operation of all of the microSD card.
* 2 This is the theoretical value of if you save the playing time of 4 minutes of the file.
* 3 all volume 80, EQ off, if the screen off.
* 4 optical digital cable is sold separately.
* 5 Windows XP, 7, and is available in 8 (32bit / 64bit) MAC OS X10.7 or more. It does not correspond to the USB port 3.0. There is a case where music played by the specification of the connected equipment is interrupted. At the time of USB DAC use, it will not be able to use the optical digital output. It is not intended to guarantee the operation of all of the connected devices. Playback of DSD and high bit-rate file, you will need a separate music playback software.
* 6 maximum 96kHz / 24bit compatible (* A2DP will be the reproduction quality in the standard) does not guarantee the operation of all Bluetooth devices. Apt-x corresponding from the firmware 1.07.
* 7 MQS for the streaming function and USB-DAC function, will be the only unsupported Windows Vista OS.
* 8 Mac If you are using a PC you will need to install the file transfer software. You will be downloaded from our HP.
* 9 earphone are not included. Manual even I can be downloaded in PDF from the homepage. Is not affixed protective sheet on the screen and back.
* The above specifications are based on current information November 24, 2015. You may want to change without prior notice to improve the quality therefore please acknowledge