Astell&Kern AK120 II // Digital Music Player

$ 1,699.00 $ 1,399.00

Astell&Kern AK120 II // Digital Music Player

$ 1,699.00 $ 1,399.00

Since Astell&Kern’s initial unveiling of the Dual DAC-capable AK120 in May 2013, both sound resolution and affinity have been improved in our latest offering.

The flagship model AK240 has been highly regarded for delivering mastering-level quality instrumentals with its improved Dual DAC and analog amplifier circuit system. The AK120 2nd Generation allows you to experience the highest sound quality by directly inheriting the sound design structure implemented in the AK240.

Dual DAC meets Balanced Output

We added the CS4398 Dual DAC and the balanced output method with sound quality proven through our flagship model.

The AK120 2nd Generation provides the weighty sound through the CS4398 Dual DAC and the A-amp, while providing delicate melodies through the balanced output.

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In Stock
SKU: AK120II

Balanced vs. Balanced Output

The unbalanced method is the most commonly used basic method which consists of “left and right signals + ground line”. This setup includes a ground line which blocks out external noises from the outside. However, since the ground line cannot block out all of the external noises completely, external noises can be mixed into the signals that are transmitted, which then result in changes to the sound. The longer the signals travel, the more external noises that will be mixed into the sound which is why it is used within a short distance of 1 to 2 meters. Unlike the unbalanced method, the balanced method has an additional cold signal to compliment the hot signal which reduces the external noises.

Specifications

General Specs
Display3.31inch WVGA (480 x 800) AMOLED Touchscreen
Supported Audio FormatsWAV, FLAC, WMA, MP3, OGG, APE(Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF
Sample rateFLAC, WAV, ALAC, AIFF : 8kHz ~ 192kHz (8/16/24bits per Sample)/ DSD : DSD64 (1bit 2.8MHz), Stereo / DSD128 (1bit 5.6MHz), Stereo
Output LevelUnbalance 2.1Vrms / Balance 2.3Vrms (Condition No Load)
DACCirrus Logic CS4398 x2 (Dual DAC)
DecodingSupports up to 24-bit / 192kHz Bit to Bit Decoding
InputsUSB Micro-B input (for charging & data transfer (PC & MAC)) Connection Mode : MTP (Media Device)
OutputsPHONES (3.5mm) / Optical Out (3.5mm) / Balanced Out (2.5mm, only 4-pole supported)
Dimensions2.16 ”(55 mm) [W] x 4.64 ”(118 mm) [H] x 0.58 ”(14.9 mm) [D]
Weight6.24 oz (177 g)
Wi-Fi802.11 b/g/n (2.4GHz)
BluetoothV4.0
Feature EnhancementsFirmware upgrades supported (OTA)
Audio Performance
Frequency Response±0.023dB (Condition: 20Hz~20kHz) Unbalance & Balance / ±0.3dB (Condition: 10Hz~70kHz) Unbalance & Balance
Signal to Noise Ratio116dB @ 1kHz, Unbalance / 117dB @ 1kHz, Balance
Crosstalk130dB @ 1kHz, Unbalance / 135dB @ 1kHz, Balance
THD+N0.0007% @ 1kHz, Unbalance / 0.0005% @ 1kHz, Balance
IMD SMPTE0.0004% 800Hz 10kHz(4:1) Unbalance / 0.0003% 800Hz 10kHz(4:1) Balance
Output ImpedanceBalanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)
Clock Source
Clock Jitter50ps (Typ)
Battery
Capacity3,250mAh 3.7V Li-Polymer Battery
Memory
Built-in Memory128GB [NAND]
External MemorymicroSD (Max 128GB) x1
OS
Supported OSWindows XP, Windows Vista,7,8 (32/64bit), MAC OS X 10.7 and up

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