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The Astell & Kern AK120
Jun 13, 2013 at 6:40 AM Post #1,246 of 7,071
@GSARider
hmm, i've done it on windows actually....
at the instruction says something like this....
"To upgrade simply extract the hex file to the root directory of your player and restart it."
 
i think u can extract from the "AstellKern_AK120_Firmware_v121.zip" file and put the "AK120.hex" inside the root of your AK120 folder (not the micro SD)
 
im copying this from the website.

Product downloads

Firmware_xs.png
AstellKern AK120 Firmware v1.21 (34.0 MB) - info
To upgrade simply extract the hex file to the root directory of your player and restart it.

[ Warning ]

Before firmware upgrade:
  • Make sure your AK120's battery level is at least at 80%.
  • Make sure your AK120 has at least 50MB of memory remaining.
  • Don't unplug the AK120 from your PC during hex data transfer.

[ Improvements ]

  • Adds USB DAC function.
  • Fixes intermittent failure to recognise certain SD cards (Samsung).
  • Prevents Power off / Sleep mode when connected via optical-in.

 
Jun 13, 2013 at 6:45 AM Post #1,248 of 7,071
All Macs running OS X can unzip the file natively. Your Mac might very well unzip the file for you once it's finished downloading. You'll be left with a file called 'AK120.hex' which needs to be placed in the root folder of your AK120. Once you eject the disc and remove the USB cable it will automatically detect that there is new firmware to be installed and do it's thing! (unless like me your battery is low in which case it refuses upgrade itself until you've charged it for a few hours). 
 
Jun 13, 2013 at 6:45 AM Post #1,249 of 7,071
Quote:
millefeuille said:
@spkrs01
hey, when u upgrading the firmware did the screen stuck at the boot display? im upgrading but seems like mine stuck at the boot screen. and the firmware still shows version 1.00...
damn it..... dont say i brick my AK120....
confused_face_2.gif

 
nvm... it after it tooks a while, i decide to plug out my microSD. and the screen changin and it says " DO NOT OPERATE THE DEVICE WHILE UPGRADING THE SOFTWARE."
and poof.... it changed to 1.21!!! yay!!!
Click to expand...

 
Haha
 
Well done!!!
 
They have sorted the numbering and sequence of songs in an album 
 
It seems more detailed, open sounding and much wider, to the extent of the little brother AK100 but with depth..
size]

 
USB Dac doesn't seem to work but I need help as I am a Tech noob.......................I use Jriver MC18 
 
Jun 13, 2013 at 6:48 AM Post #1,251 of 7,071
Quote:
robdr said:
So you're saying the firmware update has altered the SQ?
Click to expand...


I was chatting with him on this as well. Seems like the sound has changed somewhat... Less warmth. More focus on mids/vocals as well as treble..... The presentation does seem to be more spacious as well....
 
Jun 13, 2013 at 7:00 AM Post #1,257 of 7,071
I'll let you know if I notice any difference in about 4 hours when mines got enough charge to execute the upgrade :frowning2: 
 
I actually can't imagine it sounding much better than it has done this morning. Been listening to a 24/88 FLAC of Carlos Kleiber conducting Beethoven's 5th and 7th and it sounds just truly awesome. 
 
Jun 13, 2013 at 7:12 AM Post #1,258 of 7,071
first thing that i notice,
at v1.00, when u plugged it into a source from the micro usb jack. you will got 2 option that wether u wanna charge only or u wanna use as a storage device.
at v1.21, there's 3 option. 2 of it was the same as v1.00 and you got the USB DAC
 
when u used as the USB  DAC, the display will change, some text will appear "connected to USB DAC"
the volume dial at the AK120 still works, altough the interface change from the original volume bar into plain text below the "connected to USB DAC" text.
the sound pretty much the same character as AK120 which i found very good compare to my old direct computer to active speaker..
 
now i can do works while i listen to AK120 at my desktop! yay!!
 
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