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发表于 2012-4-15 11:20:27
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原帖由 wl336 于 2012-4-15 10:30 发表 
（还是不如单一台ch d1好听。。。。
瑞士 CH Precision D1 SACD/CD 唱盤
D1是SACD/CD Player，日幣3,200,000
D1 Reference grade stereo or multichannel CD/SACD unit
CH's D1 Reference grade CD/SACD unit examplifies state-of-the-art Swiss precision and
utmost dedication to faithful musical reproduction.
Built around the Esoteric VMK-5 VRDS CD/SACD pick-up mechanism, the D1 offers a fully
modular and evolutive architecture based on optional slot-in boards for its audio outputs.
Each audio output board supports two channels of audio output, either digital (DIGITAL_OUT
board) or analog (ANALOG_OUT board), allowing almost any configuration ranging from a
simple stereo analog only player to a multi-channel purely digital drive. Whereas the DSD
signal is down-converted to 16bits/44.1kHz (using in-house algorithms) for standard digital
outputs, the D1 also integrates the proprietary CH Link interface which not only supports
cyphered transmission of native DSD data but also phase compensated synchronization when the D1 is used with one
or more C1 digital to analog converter(s). Analog outputs are based on a differential dual mono converter topology
coupled to a fully discrete output stage. Both balanced and single-ended outputs are provided.
The user interface is based on an ergonomically designed dual concentric rotatory knob with push function and
feedback is given by a 24bits RGB color programmble high-definition AMOLED display. A custom infrared remote
control allows access to the D1's most common functions.
An oversized, multi-regulated linear power supply and meticulous attention to mechanical design, construction and
assembly ensure optimal operating conditions for all circuits, especially the clocking section which benefits from its own
dedicated power supply.
Extensive external synchronization capabilities can be added by the SYNC_IO optional slot-in board. This board
provides standard wordclock input and output on BNC connectors as well as a proprietary CH Link clocking interface
providing phase compensated synchronization when used with the future CH clock generator.
D1 Specifications
General:
Supported discs
Display
Power supply
Power consumption
Dimensions / Weight
Remote control
Digital outputs (DIGITAL_OUT board):
CH Link
AES-EBU
Coaxial (S/PDIF)
TosLink (S/PDIF)
Analog outputs (ANALOG_OUT board):
Outputs
Output level
Frequency response
Dynamic Range (DNR)
Signal to Noise Ratio (SNR)
Total Harmonic Distortion + Noise (THD+N)
Synchronization (SYNC_IO board):
CH Link
Wordclock input
Wordclock output
General:
SACD (stereo or multichannel), CD, CD-R/RW
480 x 272, 24bits color, AMOLED
Selectable 100V, 115V, 230V AC, 47-63Hz
< 1W (standby), 30W average (operation, stereo)
440mm x 440mm x 120mm (W x D x H) / 32kg
IR remote control, RC5 codes
Digital outputs (DIGITAL_OUT board):
HD link, PCM (up to 768kHz/32bits) / DSD (cyphered), sync.
XLR, 2.5Vpp, 110 Ohms, 16bits/44.1kHz
RCA, 0.5Vpp, 75 Ohms, 16bits/44.1kHz
Optical, 16bits/44.1kHz
Analog outputs (ANALOG_OUT board):
Balanced (XLR) and Single-Ended (RCA) connections
2Vrms (Balanced and Single-Ended)
DC-50kHz (SACD), DC-20kHz (CD)
120dB (SACD), 96dB (CD)
121dB (SACD and CD)
0.0015% (SACD), 0.002% (CD)
Synchronization (SYNC_IO board)
Proprietary clock link with phase compensation
BNC, 0.5Vpp to 5Vpp, 75 Ohms or Hi-Z, 44.1kHz
BNC, 2Vpp, 75 Ohms, 44.1kHz
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