家电论坛、耳机俱乐部线下高端解码器对比试听活动解码器相关器材介绍：
音箱：
1、ADAM Column Mk3 主动版 （72,800元）
技术特性：Column Mk3是著名监听品牌ADAM民用系列的三分频旗舰落地箱，配有X-ART气动高音、大尺寸气动中音和双HexaCone低音，采用A/B类+D类功放驱动，分拼点为150/800/2800Hz，频响范围30~50kHz。
2、Neumann KH420 监听音箱（80,000元）
技术特点：森海塞尔旗下专业品牌Neumann推出的首款中场监听音箱（Main Monitor），采用三分频有源设计（1寸/3寸/10寸单元），A/B类功放驱动，频响范围26~22k Hz (±3dB)。
音源：
1、dCS Vivaldi 转盘（200000元）
技术特点：dCS Vivaldi 转盘采用了一个全新的机壳设计，数码处理部分和CD/SACD传动系统有各自独立的电源供应电路，达致几乎寂静的操作状态。Vivaldi CD/SACD转盘的数位操作平台，是以FPGA芯片、DSP及微控制系统为基础，且都使用dCS自家研发的编码，原厂表示Vivaldi的逻辑运算能力比上一代快两倍；Vivaldi仍采用Esoteric VRDS Neo读取架构，提供最精确的读取效率。Vivaldi 转盘备有三组AES平衡数位输出、两组SPDIF同轴数位输出与WORDCLOCK输入及输出等。专属dCS自家开发的Dual Layer数位输出，在播放SACD时可传输真正DSD讯号给DAC作数位类比转换。
2、AURENDER N10 Music Server （59,800元）
技术特点：内置240G固态硬盘（缓存）+4TB机械硬盘（存储），双线性电源独立供电，数字锁相电路、FPGA与OCXO时钟组成的数字电路降低抖动，基于FPGA的DSD-PCM算法和全面的I/O接口，提供了基于iPad的遥控APP Aurender Conductor
参数：
Compatible Formats DSD(DSF, DFF), WAV, FLAC, AIFF, ALAC, M4A, APE and others
Bit and Sample Rates SPDIF : Up to 24-bit, 192kHz (PCM); 1-bit, 2.8MHz (DSD64)
USB : 32bit /384kHz, 1-bit, 2.8MHz (DSD64); 1-bit, 5.6MHz (DSD128)
User Software Aurender Conductor iPad App, Android App (Lite Version)
Solid-State Drive 1 x 240 GB
Hard Disk Drives 4TB (2 x 2TB)
SPDIF Clocking FPGA-based All Digital Phase Locked Loop
Audio Clock OCXO
Digital Audio Outputs 1 coaxial, 1 optical, 1 AES/EBU, 1 BNC, 1 USB Audio Class 2.0
Digital I/O 1 Gigabit LAN, 2 x USB 2.0
CPU Board Proprietary Aurender Board
Main Memory 4GB
Finish Silver or Black
Dimensions 430mm x 83mm x 353mm
16.93in x 3.27in x 13.9in
Weight 12.26kg
27.03 lb
Power Consumption Play(27W), Peak(37W), Standby(3.1W)
前级：
1、Mola-Mola Makua 前级 （68,000元）
技术特点：晶体管平衡前级放大器，拥有五组平衡输入，40dB可调输入增益，集成最先进的DSD解码器与唱放功能，并可通过手机APP蓝牙遥控。
5 balanced and 5 unbalanced inputs, all routable through optional processor boards like the phono stage.
2 parallel outputs for bi-amping.
4 programmable trigger outputs.
Processing
Balance and input gain offset.
Phase invert and mono sum.
Full software control of routing and processing
Performance
Maximum input/output level: 20 dBu (7.75 Vrms)
Unweighted noise voltage at unity gain: 1.9 uV
Input impedance: 100 kohm
Output impedance: 44 ohm
Distortion at maximum signal level (THD, IMD): not measurable, estimated around -150dB.
Bandwidth >200 kHz
Gain range: -70 dB to +15 dB.
Gain resolution: <1 dB, better than 0.2 dB over normal listening range.
Dimensions and Weight
420mm(W) x 110mm (H) x 345mm (D). Depth includes volume knob and connectors.
11kg
解码器：
一、CHORD DAVE（88,000元）
Delta-sigma ΔΣ 方的第一位选手
技术特点：利用最新LX57版本的Spartan 6 FPGA(现场可编程门阵列)芯片，通过CHORD自行开发的算法实现了Delta-Sigma架构的数模转换。
输入:
USB B-style: 44 kHz to 768 kHz - DXD and Quad DSD
2x optical: 44kHz to 192kHz
1 x AES: 44kHz to 192kHz
4 x Coax: 44kHz to 384kHz
Dual-data mode available
数字输出:
2x ultra-high-speed coax 768kHz dual-data mode for use with future-unannounced Chord Electronics products.
模拟输出:
2 x RCA Phono
2 x Balanced XLR
Maximum output voltage: 6 volts RMS
THD and noise at 2.5 volts: RMS 0.000015 %
THD and noise at 2.5 volts: 127dBA Awt (124dBA into 33 ohms)
Dynamic range at -60 dBFS 1kHz -127 dBA A wt
(No measurable noise floor modulation, no a harmonic distortion)
(Analogue distortion characteristic: no distortion for small signals)
Power requirements: mains power 80 volts to 260 volts; AC 20 watts
二、 Lavry Quintessence DA-N5 （65,000元）
Delta Sigma ΔΣ 方第二位选手
技术特点：著名设计师Dan Lavry十六年磨一剑推出的旗舰DAC产品，放弃了DA2002/964上采用的R2R构架，转而使用以ESS9018为核心的解码核心，可支持24/192规格的PCM文件，带有精准的前级输出功能。
呃，是DAVE身下那位
PERFORMANCE
Distortion: 0.0005% at – 3dBFS, 1kHz; 0.0009% at -3 dBFS, 20 Hz- 20 kHz
Noise: -110 dBFS un-weighted
Flatness Response: 0.05 dB
Channel Separation: 107 dB (20 Hz – 20 kHz)
Mute: -125 dB (Volume = 0)
Sample Rate: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
Stereo Level Matching (Left to Right): 0.04 dB
Main to Monitor Level Matching: 0.04 dB (Monitor Setting at Maximum Value)
Crosstalk: -127 dB at 1kHz (-130 dB typical), -112 dB at 20Hz – 20 kHz
Click & Pop Protection on Switching: fast fade out, fade in (front panel switches)
DIGITAL INPUTS
2 XLR: transformer isolated
1 RCA: transformer isolated
ANALOG OUTPUTS
Main Stereo Output: 24 dBu into 600 Ohms
Monitor Out: 24 dBu into 600 Ohms maximum
Monitor Level: Digitally controlled analog attenuation (3 dB or 0.25 dB steps)
Monitor Attenuation: up to 79.75 dB + Mute
CALIBRATION
Calibration Range: ±0.7 dB
Calibration Steps: 0.1 dB
Calibration Step Accuracy: ±0.002 dB
AC POWER
This unit automatically adjusts to AC power in the range of 90-264VAC, 47-63 Hertz. No change of settings is necessary.
三、 Merging NADAC （110,000元）
Delta-Sigma ΔΣ 方的第三员猛
技术特点：瑞士专业音频厂商Merging Technologies推出的Hi-End级民用解码器，集合了专业级录音室的数码处理技术，包括支持AES67/RAVENNA协议，可通过有线网络传输 11.2MHz DSD 和 384kHZ PCM 文件，拥有8通道模拟输出，并提供AES/EBU、同轴、光纤与时钟输入功能。
四、dCS Vivaldi DAC（230,000元）
Delta-Sigma方第四位选手
技术特点：dCS Vivaldi SACD系统的核心部分，采用基于FPGA的 Ring DAC技术，解码、DSP、时钟部分均为dCS公司独创，可接受DSD128至DXD音频信号，全新2.0版升级带来更加出色的回放效果。
Technical Specifications
| Type | Digital-to-Analogue Converter. | |
| Colour | Silver or Black. | |
| Dimensions (WxDxH) | 444mm/17.5” x 435mm/17.2” x 151mm/6.0” high. Allow extra depth for cable connectors. Allow space for air flow around the unit. | |
| Weight | 16.2kg/35.65lbs. | |
| Converter Type | dCS proprietary Ring DACTM topology, with a choice of 3MHz or 6MHz operation. | |
| Analogue Outputs | Output Levels: 0.2V, 0.6V, 2V or 6V rms on all outputs for a full-scale input, set in the menu. Balanced Outputs: 1 stereo pair on 2x 3-pin male XLR connectors (pin 2 = hot, pin 3 = cold). These outputs are electronically balanced and floating, the signal balance ratio at 1kHz is better than 40dB, Output impedance is 3Ω, maximum load is 600Ω (a 10kΩ-100kΩ load is recommended). Unbalanced Outputs: 1 stereo pair on 2x RCA Phono connectors. Output impedance is 52Ω, maximum load is 600Ω (a 10kΩ-100kΩ load is recommended). | |
| Digital Inputs | USB 2.0 interface on a type B connector. Operates in asynchronous mode, will accept PCM data up to 24 bits at 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kS/s and DoP (DSD/64 or DSD/128 over PCM) in USB Audio Class 2 mode, can operate in Class 1. 4x AES/EBU on 3-pin female XLR connectors. Each will accept up to 24 bit PCM at 32, 44.1, 48, 88.2, 96, 176.4, 192kS/s & DoP/64 OR 2x Dual AES pairs at 88.2, 96, 176.4, 192, 352.8, 384kS/s & DoP/64, DoP/128 plus dCS encrypted DSD. 3x SPDIF on 2x RCA Phono and 1x BNC connectors. Each will accept up to 24 bit PCM at 32, 44.1, 48, 88.2, 96, 176.4, 192kS/s & DoP. 1x SPDIF optical on a Toslink connector, will accept up to 24 bit PCM at 32, 44.1, 48, 88.2 & 96kS/s. 1x SDIF-2 interface on 2x BNC connectors, will accept up to 24 bit PCM at 32, 44.1, 48, 88.2 & 96kS/s or SDIF-2 DSD (auto-selected). This interface requires a compatible Word Clock input, locked to the data rate. | |
| Word Clock I/O | 3x Word Clock inputs on 3x BNC connectors, accept standard Word Clock at 32, 44.1, 48, 88.2, 96, 176.4 or 192kHz. The data rate can be the same as the clock rate or an exact multiple (0.25x, 0.5x, 1x, 2x, 4x, 8x) of the clock rate. Sensitive to TTL levels. Word Clock output on 1x BNC connector. In Master mode, a TTL-compatible 44.1kHz Word Clock is available. In Universal Master Mode a 38.4kHz Word Clock is available for use with the Vivaldi Upsampler. | |
| Residual Noise | Better than -113dB0 @ 20Hz-20kHz unweighted (6V Setting). | |
| L-R crosstalk | Better than -115dB0, 20-20kHz. | |
| Spurious Responses | Better than -105dB0 @ 20-20kHz. | |
| Filters | PCM mode: 4 filters give different trade-offs between the Nyquist image rejection and the phase response. 2 extra filters are available at 44.1, 176.4, 192, 352.8 and 384kS/s. DSD mode: 4 filters progressively reduce out-of-audio band noise level (inherent in the 1 bit nature of DSD), plus Filter 5 which has an improved transient response. | |
| Software Updates | Loaded from CD-R via PCM inputs or PC via USB interface. | |
| Local Control | dCS Premium Remote is supplied as standard. RS232 (controlled by a third party device). | |
| Power Supply | Factory set for 100, 115, 220 or 230V AC, 49-62Hz. | |
| Power Consumption | 23 Watts typical/50 Watts maximum. |
一、TOTALDAC D1-DUAL （78,000元）
R-2R方第一位选手
技术特点：每声道采用200枚高精度电阻搭建成R-2R构架的全平衡解码模块，时钟部分采用FIFO技术降低对外部时钟源质量的依赖，TOTALDAC自行开发的DSP芯片实现数字滤波与DSD-PCM转换算法，分体式电源设计。
-192KHz 异步 Xmos USB界面, optical, RCA and AES-EBU 数字输入, 遥控器可选输入模式.
-44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz and 192KHz, 16 to 24 bit格式支持所有输入，除了光纤最大为96KHz
-DSD可选，可以通过USB、AES-EBU及Spdif输入
-USB input compatible with Jplay in 24 bit "extreme hibernate" mode.
-嵌入了Anti-Jitter FIFO内存定制时钟
-最大3.1Vrms RCA输出, 最大6.2Vrms XLR 输出，32ohm-600ohm 3.1Vrms max 耳放输出。
-音量控制，通过遥控器控制，OLED屏幕显示，适合所有输入，并非只适用于USB。
-遥控器控制相位选择。
-非升频DAC补偿过滤器通过遥控器开关。
-显示开关通过遥控器控制。
-即使有多个输入连接，没有使用的输入端都是完全断路的（包括接地），以用来保持最佳的噪声水平。
-R2R解码技术使用0.01% VAR Bulk Metal Foil resistors Vishay Foil电阻,每个声道使用200片.
-纯甲class A独立晶体管前级输出
-可以使用阻抗高于45欧姆的全平衡耳机线的耳机接入解码XLR接口直接驱动，可以获得6.2Vrms和4倍的驱动力。可以直接使用例如Abyss、HD800、Adeze或K701这些耳机直接聆听。
二、Lavry DA2002（50,000元）
R2R方的第二位选手
技术特点：DA2002是Lavry Engineering在DA-N5推出前的旗舰产品，是在专业版DA964的基础上加入RCA接口等配置改良而成的Hi-End级民用DAC，解码核心为R2R结构，独特的CrystalLock技术可以降低来自信源的Jitter。输入采样率最高可达24/96kHz PCM。
PERFORMANCE
Noise :
-110dBFS rms
-130dBFS peak spurious response
Distortion :
1kHz tone at -1dBFS: .0009%FS peak harmonic amplitude
1kHz tone at -60dBFS: .00009%FS peak harmonic amplitude
10kHz tone at -1dBFS: .0009%FS peak harmonic amplitude
10kHz tone at -60dBFS: .00009%FS peak harmonic amplitude
Sample rate:
96kHx, 88.1kHz, 48kHz, 44.1kHz at +/- 150ppm lock range
-50kHz wide lock mode (varispeed)
Crystal lockTM tracking: 1ppm / 15 seconds
Channel separation: -100dBFs at 1KHz
Flatness response: +/- .05dB (10Hz -20KHz)
Phase linearity: 2 degrees (10Hz - 20KHz)
Warm-up and initial calibration:
10 minutes maximum
3 minutes typical
ANALOG OUTPUT
AES/EBU balanced 4.2V R.M.S. into 600 ohms
AES/EBU balanced 4.5V R.M.S. into 100Kohms
AES/EBU unbalanced 2V R.M.S into 600 ohms
AES/EBU unbalanced 2.2V R.M.S into 100Kohms
Consumer outputs 2V R.M.S. into 100k ohms
DIGITAL INPUT
Two AES/EBU, 110 Ohm, transformer isolated
One Consumer, 75 Ohm, transformer isolated
POWER
115V or 220V, 60Hz or 50Hz, 20 Watts
PHYSICAL
17”W x 1.75”H x 11”D
三、SCHIIT YGGDRASIL （21,500元）
R2R方第三位选手
技术特点：采用4片AD5791芯片组成的21bit全平衡R2R结构，Adapticlock时钟系统确保极低Jitter，支持USB3.0输入，Schiit自行开发的数字滤波，以及插板式升级功能。
Inputs: AES/EBU XLR, RCA SPDIF, BNC SPDIF, Optical SPDIF, USB
Input Capability: up to 24/192 for all inputs
Input Receiver, SPDIF: AKM AK4113
Input Receiver, USB: C-Media CM6632
Clock Management: Bitperfect clock management at all native sample rates via Adapticlock analysis and VCXO/VCO regeneration, plus asynchronous USB Gen 3 module
Digital Filter: proprietary Schiit bitperfect closed-form digital filter implemented on Analog Devices SHARC DSP processor
D/A Conversion IC: Analog Devices AD5791BRUZ x 4 (2 per channel, hardware balanced configuration)
Analog Stages: Fully discrete JFET buffers for balanced output and discrete JFET summing stages for single-ended output, direct coupled throughout
Output: One pair XLR balanced and two pairs RCA single-ended
Output Impedance: 75 ohms
Frequency Response, Analog Stage: 20Hz-20Khz, +/-0.1dB, 0.5Hz-200KHz, -1dB
Maximum Output: 4.0V RMS (balanced), 2.0V RMS (single-ended)
THD: Less than 0.006%, 20Hz-20KHz, at full output
IMD: <0.007%, CCIF, at full output
SNR: > 117dB, referenced to 2V RMS
Power Supply: two transformers (one for digital supplies, one for analog supplies) plus one input choke for discrete, dual mono, shunt-regulated analog +/-24V supply, plus 12 separate local regulated supplies for DACs and digital sections, including high-precision, low-noise LM723 regulation in critical areas.
四、AQUA LA SCALA （45,000元）
R2R方第四位选手
技术特点：意大利品牌Aqua旗下解码器，采用四片PCM1704K组成双单声道R2R结构，专利DFD（直接自解码）不带有任何数字滤波，输出端采用两只ECC81电子管，特有的AQ Link接口可与 La Diva转盘实现无时基误差连接。