Three Chinese audiophiles spent their last two years developed their own vision of an audiophile DAP called the MA9, and only 30 units are made in the first batch for sale under the 'Hifi E.T' brand. The final price is RMB$4880, or roughly US$770. It is available only in China for pre-order (RMB$4500) at this moment.
Новый китайский плеер на мультибите 1704. Выпустят 30 штук в первой партии. Цена ~770, но на ебее http://bit.ly/PKgCbc висит за 860. Сейчас принимаются предзаказ по 4500 юаней.
Тема на хэдфае http://bit.ly/SUoMRh
Тема на erji http://bit.ly/OA8qeZ
Блог разработчиков http://blog.sina.com.cn/hifisprite
Here are some spec:
Screen size: 320*240 QVGA 2.36inches
DAC: PCM1704 (swappable / upgradeable by manufacturer)
AMP: OPA627+ dual BUF634 each channel (single end or balanced output, also swappable / upgradeable by user)
I/V: OPA627
LPF: LME49722
USB-DAC supported (PCM2707)
Voltage swing (max): 2.9V @ 16ohm, 5V @ 300ohm
FR: 0Hz ~ 25kHz
SNR: 103dB@1kHz
Crosstalk: 89db@1kHz 0dB
Distortion: 0.00275%
Max output: 50mw @ 32ohm
Recommended Headphone impedance: 16~300ohm
Memory: TF card up to 32GB
Supported lossless format: APE, FLAC, WAV (plus mp3, cue support)
Battery: +/-8.4V dual supply. 2300mAH total capacity
External +/-9V power supply
Battery life: >8hours
Recharge: 2 hours
Connection: Power / USB / Headphone-out / Line-out
Full aluminium housing
Size: 64*120*25.5(mm)
Weight: 300g
http://i90.photobucket.com/albums/k2...8eaae81690.jpg
Сверху плата цапа, снизу усилок
Вложение 43185Вложение 43186Вложение 43187Вложение 43188
По замене аккумулятора
http://player.ru/showthread.php?t=11...=1#post1449978
http://player.ru/showthread.php?t=11...=1#post1450025
http://player.ru/showthread.php?t=11...=1#post1451841