【耳機/耳擴/DAC】Furutech ADL H128, EH008, A1
ADL H128 頭戴式耳機
ADL H128是日本Furutech最新發表的頭戴式耳機，共推出三種顏色組合，包括Silver-Black(銀黑)、Silver-Brown(銀咖啡)、Dark Blue(黑藍)。H128來自H118的進化，除了保留H118的平衡、流暢外，進一步在動態、力道有所提升，讓音樂的活生感可以更好，H128的耳罩可將您的耳朵完整的包覆，讓低頻的表現更好，並且讓耳罩裡的駐波與反射減少以減少失真。耳罩上的人造皮革相當柔軟，戴起來相當舒適。H128為密閉動圈式設計，振膜為特別訂制的，擁有高噪音消減與低失真的特性，其使用超大40mm的單體、其磁鐵經過深冷處理，mini XLR母座是鍍銠的，使用非常輕量化、非常特別的銅鍍鋁合金的聲圈。內部的配線採用Furutech的製品，並有附上Furutech Alpha-OCC的耳機線，包括一個Furutech 3.5mm轉6.3mm的轉接頭。
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Features
•Dynamic closed-back circumaural headphones
•Furutech designed high noise attenuation and low distortion tailor-made diaphragms
•40mm extra-large high-flux α(Alpha) Cryo-treated magnet
•High quality PEEK trembler film
•Ring betweenvoice-coil and diaphragm keeps ultra-high-frequencies in phase
•Sturdy vibration damping aluminum headband
•Excellent transient response from extremely light-weight coils of copper-
coated specialaluminum alloy wire
•Furutech nonmagnetic rhodium-plated α(Alpha) cryo-treated mini-XLR socket
•Included in package 3.0 meter Headphone Cable & F63(G) Gold- plated 1/8”
(3.5mm) to 1/4”(6.3mm) adapter 1.3 meter iHP-35X high performance Alpha-O
CC headphone cable terminated with Furutech mini XLR and FT-735 3.5mm stereo connector
Specifications
Acoustic Design:Dynamic closed-back
Driver:40mm diameter special high-flux magnet
Sensitivity: 98dB SPL (1mW) at 1KHz
Frequency response: 20Hz ~ 20kHz
nput Power:200mW(Max.
Rated Impedance:68ohm @ 1KHz
Ear pad:Leatherette
Head Band Pressure:4.5N Approx.
Connector: Nonmagnetic rhodium-plated stereoα(Alpha) mini-XLR socket
Weight:280g (9.84oz) Approx. (without cable) 320g (11.2oz) Approx. (with cable)
ADL EH008 耳道式耳機
EH008採用雙動圈單體，其中低音為8mm的單體、高音為5.8mm的單體，均經過深冷處理。5.8mm的高音單體為鈦金屬振膜，擁有高解析再生的能力。耳機內部使用了特殊的ABS樹脂，可讓單體穩定的運作，外部則使用了碳纖維，擁有非常好的阻尼特性，另外還加上了一圈橡膠與矽膠，以強化聲音的隔離效果及增加配戴時的舒適性。隨耳機會附上三種尺寸的耳塞。
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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5~5.5個小時。
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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.
仲敏: http://www.geniusloci.com.tw/a2008/index.asp
ADL: http://www.adl-av.com/
