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Weiss(바이스)DAC 502

글쓴이 : 서울전자 날짜 : 2017-12-11 (월) 19:07 조회 : 703
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Me­chan­ics
The DAC50x uses a stain­less steel chas­sis with a solid 10 mm alu­minium front plate.


DAC50x는 견고한 10mm 알루미늄 전면부와 전면부 스테인리스 스틸 샤시를 사용합니다.


Power Supply
A pow­er­ful non-switch­ing power sup­ply is used. All sen­si­tive volt­ages have their own reg­u­la­tors which are sep­a­rated be­tween left and right chan­nels. The re­sult is an ana­log out­put free of “dig­i­tal noise” and chan­nel crosstalk. The power switch ac­ti­vates a semi­con­duc­tor re­lay which only switches on or off at zero cross­ings of the mains volt­age. This as­sures a glitch free power switch­ing. The two mains trans­form­ers are toroidal types. Mains volt­age se­lec­tion is done au­to­mat­i­cally by mea­sur­ing the mains volt­age be­fore power is ap­plied to the rest of the electronics.


전력공급

강력한 non-switcing 전력 공급이 이용됩니다. 모든 세심한 전압이 좌우채널 사이에 분리되어있는 고유의 전압조정기를 보유하고

있습니다.

그 결과로 디지털 노이즈와 채널혼선이 없는 아날로그 출력이 가능합니다.

전원스위치는 메인 전압이 제로크로싱일때만 반도체를 켜커나 끔으로써 활성화시킵니다.

이것은 작은결함없는 전력전환을 보증합니다.

이러한 두 주요 트랜스포머는 트로이달 타입입니다. 메인 전압은 전력이 남은 전자로 적용되기 전에

메인 전력을 측정함으로써 자동적으로 선택됩니다.

  



Syn­chro­niza­tion
An in­ter­nal high pre­ci­sion / low jit­ter clock gen­er­a­tor is re­spon­si­ble for clock­ing the D/A con­verter sec­tion. The sam­pling fre­quency of that gen­er­a­tor is fixed at about 195kHz. The in­put sig­nals are con­verted to the 195kHz sam­pling fre­quency for op­ti­mal sig­nal qual­ity. This scheme also helps sig­nif­i­cantly in re­duc­ing any jit­ter re­lated ef­fects. All stan­dard sam­pling fre­quen­cies up to 384 kHz plus DSD x64 and x128 are sup­ported. 


내부의 고밀도/적은 잡음 클락제네레이터는 D/A 컨버터 섹션을 클락킹합니다.

그 제네러이터의 샘플링 주파수는 대략 195kHz로 고정되어 있습니다.

입력 신호는 최상의 신호 퀄리티를 위한 195kHZ 샘플링 주파수로 전환됩니다.

이러한 기술은 또한 효과에 관련된 어떠한 잡음도 줄여내는 데 중대한 도움을 줍니다.

384 kHz에 DSD x64 and x128를 더한 모든 기준의 샘플링 주파수가 지원됩니다.




Dig­i­tal Inputs
There are a to­tal of five inputs:

  • AES/EBU or S/PDIF via XLR, Toslink and RCA sockets
  • UPnP / DLNA via Ethernet
  • USB

Ac­cepted for­mats: PCM 44.1kHz up to 384 kHz, DSD 64x / 128x.

Fu­ture for­mats can be ac­com­mo­dated for via soft­ware updates.

Sig­nal Processing

The DAC50x has a dig­i­tal sig­nal pro­cess­ing chip built in (DSP). 

The fol­low­ing DSP al­go­rithms are cur­rently im­ple­mented or im­ple­mented soon:

 

장래의 포맷들은 소프트웨어 업데이트를 통해 수용될 수 있습니다.

  • Room Equal­izer - to sup­press room modes for a de­cent bass reproduction.

 룸 이퀄라이저 - 높은수준의 저역 재생산을 위한 룸모드를 억제합니다.

  • Cre­ative Equal­izer - a tone con­trol with low boost/cut, high boost/cut and mid boost/cut. Very use­ful to cor­rect those record­ings which do not quite sound right.

 크레에이티브 이퀄라이저 - 낮은 부스트/컷, 높은 부스트 컷과 중반 부스트 컷과 더불어 톤을 컨트롤합니다.

정확하게 들리지 않는 레코딩을 교정하는 데 매우 유용합니다.

  • De-Es­s­ing - the au­to­matic re­moval of overly bright sibi­lances from hu­man voices. The sibi­lance ef­fect can be more or less pro­nounced de­pend­ing on your speak­ers or room acoustics.

 

  • Con­stant Vol­ume - ad­justs the au­dio vol­ume (loud­ness) to a con­stant value across all tracks played. Use­ful for "party mode" when the vol­ume con­trol should stay untouched.

 

  • Vinyl Em­u­la­tion - get that spe­cial sonic char­ac­ter of a record player based play­back chain. We also em­ploy an em­u­la­tion of the DMM-CD pro­ce­dure of­fered by the Stock­fisch label.

 

  • Crosstalk Can­celling (XTC) - for the play­back of dummy head record­ings or live record­ings via speak­ers for an in­cred­i­ble live sen­sa­tion. Dummy head record­ings usu­ally are lis­tened to via head­phones be­cause they only work prop­erly if the left chan­nel goes to the left ear only and the right chan­nel to the right ear only. With speak­ers this is dif­fi­cult to achive as the left chan­nel goes to the left and the right ear. But with some clever sig­nal pro­cess­ing of the speaker chan­nels is is pos­si­ble to sup­press the crosstalk, i.e. the au­dio go­ing from the left speaker to the right ear and vice versa. If that works prop­erly then the record­ing sounds as if one would be in the space where the record­ing has taken place. All the re­ver­ber­a­tion and 3D rep­re­sen­ta­tion of the sound sources is there.(For speaker based play­back only.)

 

  • Out Of Head Lo­cal­iza­tion al­go­rithm - tries to get the mu­sic "out of your head" when lis­ten­ing via head­phones. The goal is to achieve a sim­i­lar lis­ten­ing sen­sa­tion as one gets when lis­ten­ing via speak­ers.
    (For head­phone based play­back only.)

 

The fol­low­ing DSP al­go­rithms are con­sid­ered for implementation:

  • Roon streaming.
  • MQA decoding.
  • Air­play.

Con­vert­ers
Two of the lat­est 32 bit D/A Con­verter chips are used. Two D/A con­ver­sion chan­nels are used per au­dio chan­nel, re­sult­ing in ex­cep­tional per­for­mance spec­i­fi­ca­tions.

Ana­log Outputs

  • Line out un­bal­anced on RCA connector
  • Line out bal­anced on XLR connector
  • Head­phone out on 1/4" Jack Analogue
  • For the DAC502: Ad­dtional head­phone out­put on a 4 pin XLR connector.

Dis­crete out­put stages for both line and head­phone out­puts are employed.
The out­put lev­els can be set in a coarse man­ner with 4 steps to adapt for the am­pli­fier or head­phone con­nected. The lev­els can be set in­de­pen­dently for line and head­phone outputs.
No sound de­grad­ing servo mech­a­nisms are used.

 

Front panel controls

  • A ro­tary en­coder knob for chang­ing pa­ra­me­ters and for pow­er­ing the unit on/off.
  • A touch screen colour LCD display.
  • An 1/4 inch head­phone socket.
  • An IR receiver

 

Back panel elements

  • Ana­log out­puts on XLR and RCA connectors.
  • Dig­i­tal in­puts on XLR, RCA, TOSLINK, USB, Eth­er­net connectors.
  • USB type A con­nec­tor for var­i­ous applications.
  • Mains con­nec­tor with fuses.

 

IR Re­mote Control
Al­lows to con­trol sev­eral func­tions of the DAC50x, namely:

  • The in­put se­lected for conversion.
  • The out­put type, level, mut­ing, ab­solute polarity.
  • Power on/off.
  • DSP presets.

 

Web Interface

The DAC50x has a web in­ter­face for con­fig­ur­ing it via a web browser. The fol­low­ing func­tions are ac­ces­si­ble via the web interface:

  •  Vol­ume and Bal­ance controls.
  • In­put selection.
  • Out­put type.
  • DSP al­go­rithms configuration.
  • DSP snap­shots configuration.



문의  서울전자  02-3272-1300   010-9622-1122 


http://cyberav.co.kr/type6/item/showitem.php?car=1044&cate_no=1044&item_no=7291&cha=





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