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Showing posts with label Amp / Source. Show all posts
Showing posts with label Amp / Source. Show all posts

Wednesday, July 11, 2018

Shanling M0




規格―Specifications

官網: http://www.shanling.com/Product/Detail?id=f009f9f9c6304359a99bc7d0d51a7d46

  • Size: 40 x 135 x 45mm
  • Screen: 1.54 inch 240 x 240 high definition touch screen
  • Weight: about 33 g
  • DAC model: ESS Sabre ES9218P
  • Endurance: about 15 hours (depending on the use)
  • Deep standby: about 30 days (depending on the situation)
  • Charging time: about 2 hours (depending on the use)
  • Battery capacity: 640 mAH lithium battery
  • Storage: maximum support 512G TF Card (to buy)
  • Output port: headset output (3.5 mm)
  • Output power: 80 mw @ 32 Ω
  • Output impedance: 0.16 Ω
  • Channel separation degree: 70 dB
  • Recommended earphone impedance: 8-300 Ω
  • Frequency effect: 20 HZ ~ 20 KHz (-0.5 dB)
  • Distortion: 0.004% (A-Weighting, output 500 mV)
  • Signal to noise ratio: 118 dB (A-Weighting)
  • Bottom noise: < 3uV (HIGH GAIN)

Monday, November 23, 2015

LH Labs Geek Pulse Infinity




前言

回溯到2013年10月30日,在Indiegogo看到LH Labs的募資活動,由於企劃中的Geek Pulse規格相當有吸引力,外加價格並不太高,當下決定購入做為第二台DAC使用。 但沒想到這舉動竟是一連串令人沮喪的開端,後續的追加功能更似無止境的錢坑。

歷經無法記數的進度更新說明,以及一次又一次的延期記錄,外加不少系列產品出問題的用家回報,對LH Labs的信任度降到了忍耐度的極限以下。 幸好,宛如奇蹟出現,總算在24個月又15天後,收到這從期待等待到無奈的Geek Pulse Infinity。

Monday, August 24, 2015

Schiit Wyrd




規格

官網: http://schiit.com/products/wyrd

USB Ports: 1 in (Type B) and 1 out (Type A)
USB Mode: USB 2.0 (480Mbps), backwards-compatible to USB 1.1
USB Packet Repeater: Controlled via 20ppm crystal oscillator
USB Power Current Capability: Over 500mA
Power Supply Type: linear, with precision low-noise (2.5uV) voltage regulators
AC Power: 9VA 6VAC wall-wart
Power Consumption: 6W maximum, <1W typical (depends on power draw of USB device)
Size: 5 x 3.5 x 1.25”
Weight: 1 lb

Sunday, February 22, 2015

SONY NWZ-Z1060




規格

官網: http://www.sony.jp/walkman/products/NW-Z1000_series/

Memory (Available capacity may vary): 32GB
Display: 4.3-inch, TFT color display with white LED-backlight, WQVGA(800 x 480 Pixels)
FM Tuner: Yes
Input / Output Terminals: Headphone / Hi-speed USB (2.0) / WM-PORT (22pin) / HDMI Micro
Power Source: Built-in Li-ion Rechargeable Battery / USB power (from a computer via the supplied USB cable)
Recharging Method: USB-based charging
Recharge Time: Approx. 5 hrs
Maximum Dimensions (W x H x D): Approx. 70.9 x 134.4 x 11.1mm
Weight: Approx. 156g
Supplied Accessories: Headphones, Earbuds (Size S/L), USB cable, Quick Start Guide, Software
Wireless LAN: Yes (WiFi-Built in)
Bluetooth: Yes
Android OS: Android™ Version 2.3
Speaker: Monaural

Sunday, October 12, 2014

PS Audio GCHA




規格

官網: http://www.psaudio.com/wp-content/uploads/2011/11/GCHA-Amp-manual.pdf

Class A output amplifier design
Front-panel gain adjustment
Gain Cell technology allows variable gain with virtually no noise or distortion
Built-in high-end power supply with oversized toroidal transformer
USB input with built-in USB drivers (compatible with Mac and PC)
1 pair of RCA inputs
Minimum headphone impedance: 16 ohms
Detachable power cord
8-1/2"W x 3"H x 15-1/2"D

Wednesday, September 17, 2014

Headstage Arrow 12HE 3G & 4G




規格

官網: http://www.headstage.com/

Automatic Power Adaptation with up to 12V Internal Voltage
Maximal 11V Output Voltage (Peak to Peak)
50 Hours Play Time in Lowest Power Mode (no voltage boost)
15 Hours Play Time in Highest Power Mode (12V)
Analog AD8397 Opamp in Output Stage
Three Selectable Gain Settings (6dB, 12dB, 19dB)
Ultra Tight Bass Boost (0dB, 9dB, 12dB)
Impedance Switch (0/20/65 ohm)
Öhmann Crossfeed (Off, Low, High)
Automatic ON/OFF Switch
High-Capacity 1200mAh/4.2V Lithium-Ion Battery
High Efficiency Battery Charging from USB Port
Two Audio Input Jacks
Two Headphone Jacks
Analog Volume Control (made by ALPS)
Low-Battery Indication (Slow and Fast LED Blinking)
4-Layer Circuit Board with two Ground Planes for Low Noise
Anodized Aluminium Enclosure with Laser Engraving
Size: 8.5mm x 56mm x 98mm (0.33'' x 2.20'' x 3.86'')
Weight: 75g

Sunday, August 03, 2014

HeadAmp GS-X mk2



前言

接觸耳機和耳擴的世界開始,GS-X一直是心中的排行前幾名的目標,但要狠下心預訂卻往往猶豫不決。 去年手上一度同時擁有BHA-1和GS-1,經過反覆的比較,考慮許久後決定放手一搏,將兩者出清改換成GS-X當成主力配備。

從跟Justin確認且付款的時間算起,經過了一年又三個多月的等待,此刻總算收到物品。

Monday, June 02, 2014

ecp audio Black Diamond




前言

大約在兩年前,innerfidelity以及Head-Fi上關於L-2耳擴的評論文讓我開始關注ecp audio。 去年換掉Bryston BHA-1後,曾考慮入手L-2或另一台DSHA-1耳擴(可惜這兩台相繼斷貨),最後決定先加入Headamp GS-X mk2的排隊行列,同時等待這台當時還在試作階段的Black Diamond。 經過半年漫長的期盼,今年初總算有後續的消息,在詢問其他人關於試作品的聽感後,毅然地加入預購行列,成為ecp audio的用戶。

據我所知,ecp audio屬於一間像是個人型態的小公司,創立者Doug本身是一位DIYer。 他基於自己的興趣,設計不同於市場上的物品,認為滿足音質上的要求後製作一批成品,隨不再持續生產,朝下一個目標、計畫邁進。 (The "business model" is to make a new design, do a small run, and move on to something else.)

Friday, May 23, 2014

SONY NWZ-A845




規格

官網: http://www.sony.jp/walkman/products/NW-A840_series/

Memory (Available capacity may vary): 16GB
Display: 2.8-inch, OLED color display, WQVGA(400 × 240 pixels), 262,144 colors
FM Tuner: Yes
Input / Output Terminals: Hi-Speed USB, WM-PORT(22pin)
Maximum Power Output (16 ohms/mW): 5+5mW
Power Source: Built-in Li-ion Rechargeable Battery / USB power (from a computer via the supplied USB cable)
Recharging Method: USB-based charging
Recharge Time: Approx. 3 hrs (full charge), Approx. 1.5 hrs (approx. 80%)
Dimensions (W x H x D): Approx. 46.8 × 104.9 × 7.2mm
Weight: Approx. 62g
Supplied Accessories: Headphones, USB cable, Earbuds (Size S/L), Attachment, Audio input cable, In-Flight Plug Adaptor, Quick Start Guide, Software, Content Transfer*1, WALKMAN Guide, Operation Guide

Saturday, November 30, 2013

Schiit Vali




前言

今年RMAF的前幾天,在大家期待Schiit是否會發佈年底的旗艦時,這台定名為Vali的耳擴突然地在網路上被揭露,不僅上市日期訂在11月,而且售價只有$120美元,吸引不少耳機用家關注。 最大的爆點不止於此,某篇試用玩家的聽感評論中,一句"the best amp under $1500"讓這台耳擴成為最近的熱門焦點。 當然,現實上不可能有完美的物品,該文也註明Vali有規格上的弱點,例如不推薦使用高敏低阻的耳道,但若能不介意使用條件,那這台耳擴是值得一試的。

Wednesday, October 09, 2013

CEntrance HiFi-M8




前言

從CEntrance發佈HiFi-M8開始到現在,已經有一年的時間。 原本預計當年底發售,經歷再三的延期,直到今年七月才有第一批成品,但又生產不足,導致很多預購用家到現在還在等待。


規格

官網: http://centrance.com/products/hifi-m8/

General Specs
Audio Output: XLR balanced, 1/8" combo, 1/4" unbalanced jack, model-dependent
Headphone Amp: Direct Class-A
AC Powering: Globally compatible, 90...240V AC power supply included
DC Powering: +9...+20V DC (3A) from external adapter, car, boat, etc.
Internal supplies: Battery-isolated, filtered ±10V, super-clean analog rails
Unit Dimensions: 127 mm (L) x 82 mm (W) x 33 mm (H)
Shipping weight: 2 lb

Thursday, March 28, 2013

HeadAmp GS-1




簡介

對於HeadAmp這間廠商,相信有在關注Head-Fi上文章的用家都很熟悉,不論在功能或者品質,製造出的產品口碑一向不錯,獲得不少用家的信賴。 只不過買家要非常有耐性,因為付款後等幾個月算正常情況,甚至有些交貨的時間是用年在計算,寫信詢問卻沒有下文也算預料中的情況。 儘管如此,HeadAmp的好評還是屹立不搖,信用度不曾被懷疑過。

在今年三月HeadAmp的GS-X mk2正式完工開始寄送,不少原GS-1用家升級到GS-X,已經停產的GS-1陸續出現幾台在二手市場。 對一直有興趣嘗試Dynalo耳擴的我是很好的機會,趁機買下這台很久以前就想聽看看的耳擴,而能和手邊的配備相互比較,了解為什麼GS-1到現在還是有相當好的評價。

Friday, July 13, 2012

Anedio D2 DAC




簡介

最初注意到Anedio產品的時間,必須回溯到2010年底的時候。 當時擁有的器材接上剛入手的LCD-2並不很理想,因此計畫找個可以搭配的DAC和AMP,開始注意到Anedio的D1 DAC這個產品。 不過考量到價格和大小重量等因素,之後選擇評價同樣不錯的DACmini入手,而將Anedio則列入以後可能升級的目標名單之中。

在手邊的耳機有一定的數量之後,便有將系統朝平衡系統推進的想法,於是開始第二次升級的計畫。 AMP的部份優先決定,選擇Bryston的BHA-1平衡耳擴,DAC勢必以有平衡輸出為主要考慮的目標。 這時得知Anedio D1 DAC的後續機D2剛正式上市,D1和D2的差別除了24-bit/192KHz USB和其它改進外,規格中還多了之前沒有的平衡輸出,所以直接鎖定D2為AMP之後的升級配備。

入手D2的過程沒什麼困難,唯一能買到的地方只有官方網站。 但每一批製作的數量有限,網站上大多處在缺貨的狀況,若要預購可以寫信給客服加入排隊的名單,等有貨後會直接通知付款。 不過很可惜的,從最近開始Anedio不再接受美國以外的訂單,若真的有興趣購買勢必先詢問能否直接寄到國外才有可能購入。

Thursday, June 14, 2012

Bryston BHA-1




前言

繞了各家旗艦耳機一圈,該賣的已經出清掉,留下的都是難以割捨的耳機,雖然對手邊的DACmini相當滿意,足以應付一般的情況。 但理論上AMP和DAC這部份還是有升級的空間,平衡耳擴一直是在搜尋的目標名單中,敗入哪台卻很難決定。

個人考量的重點有幾個:
  1.  Balanced和Single-End兩種端子都有;
  2.  以推LCD-X為主,要能比DACmini更能推出聲音;
  3.  保固和客服,避免以後不幸成了一塊大磚;
  4.  價格儘量不要太高;
  5.  看得順眼。
在爬文後Bryston BHA-1突然地閃到眼前,難得該有的條件都具備。 不過未發售的BHA-1只在展覽上有試聽機,評論雖然很好,但聽感不多取樣不足。 幸好有經銷商保證不滿意可退貨,決定試看看這台剛準備上市的BHA-1。

發售日從四月底往後展延,五月初宣稱開始量產,到月底時透露第一批才製造完成六台,第二批20台趕工中。 原本想說這情況大概六月底都等不到,上週詢問經銷商的結果,很幸運地被通知說BHA-1已經從原廠寄出,拿到首批其中之一。

Wednesday, July 06, 2011

CEntrance DACmini CX




規格

官網: http://centrance.com/products/dacmini/cx/

General Specs
Audio Output: Gold-plated RCA line-out, stereo 1/4" headphone out
Headphone Amp: Direct Class-A, no caps in the signal path
AC Powering: Globally compatible, 90...240V AC power supply included
DC Powering: +9...+19V DC (1A) for external adapters, car, boat, etc.
Internal supplies: Ground-isolated, filtered ±15V, super-clean analog rails
Unit Dimensions: 164 mm x 164 mm x 42 mm
Shipping weight: 1.7 kg

Digital specs
Resolution: 24-bit (Also supports 16-bit)
Sample Rate: USB: Up to 96kHz, S/PDIF: Up to 192 kHz
Interface: USB1.1 or 2.0, driverless
Local clock: 10 ppm precision, unmeasurable jitter
Compatibility: Any computer running Mac, PC, or Linux