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發表於 2014-10-18 22:44:15
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本帖最後由 hkwatcher 於 2014-10-18 22:42 編輯
Specifications
Acoustic Design: Dual Dynamic Driver
Driver : 8mm and 5.8mm α (Alpha –Cryo treated) magnet drivers
Sensitivity : 100±3 dB SPL (130mW input at 1 KHz )
Frequency response: 20Hz ~ 20kHz
Input Power: 2mW / 5mW (Max.)
Rated Impedance: 19 ohm @ 1KHz
Left and right balance: ≦3dB, @ 100Hz and 1KHz
Connection: α (Alpha)–OFC conductor wire with 24k gold-plated stereo α (Alpha) 3.5mm angled plug
Weight: 15g (0.53oz) Approx. (cord and plug included)
ADL A1 DAC/耳擴 (DSD 5.6MHz, Android 數位解碼)
ADL是一台隨身型的DAC與耳擴, 支援DSD解碼(5.6M),其USB Mini-B可連接到PC/Mac進行解瑪播放,並且可以充電,USB-A則是給Android系統使用,透過OTG(On The Go)的線材可直接讓Android系統的手機數位輸出到A1解碼,另外還有光纖與類比輸出,一個3.5mm的耳機輸出.內建的電池可持續7.5小時,充飽電約需5至5.5個小時.
Specifications
High-performance CIRRUS LOGIC CS4392K 24bit/192kHz DAC chip (accepts PCM data and DSD audio data )
Controller supports ASIO and Asynchronous mode
VIA VT1736 32bit/192kHz USB chip ,USB 2.0 High Speed compliant accepts DSD 2.8M or 5.6M signal & 44.1 /48 /88.2 /96 /176.4 /192 kHz sampling rates supported
TEXAS INSTRUMENTS TPA6130A2 Headphone Amplifier chip -TPA6130A2 high fidelity Stereo Headphone Amplifier with an SNR of 98 dB
OP AMP: TI- LME49726 High Current, Low Distortion, Rail-to-Rail Output Audio Operational Amplifier
Max Headphone Output Levels (at 1%THD 1KHz) : 70mW(12 ohm), 80mW(16 ohm), 65mW(32 ohm), 38mW(56 ohm), 9mW(300 ohm)
Charge Time: approximately 7 hours approx. (DC 5V, 0.5A USB bus power)
Charge Time: approximately 5~5.5 hours approx.(AC/DC 5V, 1.0-2.0A switching adaptor)
Music Playback Time: Up to 7.5 hours when fully charged
Size: 68(W) x 118(D) x 16.5(H)mm
Weight: 150g approx.
ADL A1是一台隨身耳擴/DAC,而且特別設計支援Android系統手機,能直接透過USB連接數位輸出給ADL A1解碼,再經由更好的類比放大驅動耳機,聲音當然比直接使用手機聽來得好上許多!
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