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. .Founded in 2011 by experiencε∞★ ed audio engineers,Cen.Grand D ♣igital Media Technology Co.,Lt ‌☆≥d. specializes in the design and produc§∞tion of hifi equipment. We aim to conti♥£​nue our legacy of producing audiovisualΩ₽↓ε products that adapt to the needs≠✘ and desires of an evolving market. α≥As a company with wide s©®★uccess in the Chinese ₩±↓>market, our products ar™¶↑♦e reaching to global market.

. .Currently, our catalog c☆÷onsists of audio products includi← φng DACs, Media Players, AMPs and h₽™ ‌eadphone amplifiers. Whether it"✔÷'9;s a media player or a ←¥ DAC, they all feature the m'∑&ost advanced technology in the hifi ♣☆±→field. We are committed to getting ×≈α‍the best hifi results &≥φthrough technology, and we do. Cen.Gr ®ε≥and / DSDAC are successful brands iΩ$n the field of digital‍§® hifi audio.

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ABOUT US

GLD 1.0 Media Player (Standard Model)¶‍Ω

GLD1.0 is a completely  ₽different digital player from other pro♥‌♠ducts on the market. It do∞∞•es not use USB interface f"¥ εor internal data transmission, ↓€nor does it send audio ←&₩data through USB interface. In shor₹∞>t, GLD1.0 does not use the USB audΩ¥io protocol because it allows f•∑£or data errors and discarding erronγ∏♠♠eous packets........................•♥≈‌......... GLD1.0 uses the internal hi☆ ∏gh-speed serial bus PCIe to synchro★•φ‍nously output audio data. The PCIe prot± >ocol does not allow data errors orε←&♠ packet loss, and data is directly tr±λ↔ansferred from the CP☆$₩U to the next device✘↔♠® without intermediate steps. Therefore, ↔• there are no errors or losses in the aγ'≤udio data. In addition, GLD1.0 use™₹ ★s a complex clock archite←₩ππcture to ensure synch€​≥✘ronized data output, achieving the hig≥≥©←hest performance of digital player .₩¥.................................. ♦αβ¶In order to output the higλ☆ §hest quality audio data and "≥‌•clock signals, GLD1.0 also has €☆a proprietary "POW" interfacλ‌♥e, which uses fiber opt≥∏'≈ic for data transmission and coaxial cα₽able for clock transmi♠∑ssion. This groundbreaking inve←↕πntion has created a new mo≠∑‌de for digital players..........©&φ............................ ★₽•The Hong Kong magazine​¥ "Audiotechnique" desc≠φ£ribes GLD1.0 as "a rev'←olutionary design that opens up a ×σ♥♦new digital audio frontier."

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GLD 1.0 Media Player (Deluxe Model ♣)

GLD1.0 is a completely diffe$ ' rent digital player from other pr₽÷ ​oducts on the market. It does Ωαnot use USB interface ®∞♣for internal data transmiss₩↓ion, nor does it send audio÷γ±♣ data through USB in↑ ≥terface. In short, GLD1.0 does>♥ not use the USB audio proto$‌ ∑col because it allows for da®γ←↕ta errors and discardi≥"βng erroneous packets..................α‌ ............... GLD1≤ ✔★.0 uses the internal high-speed serial ♣ bus PCIe to synchronously o§™utput audio data. Th¶©♣©e PCIe protocol does not aφ‍llow data errors or packet loss, and d©¶σ∏ata is directly transferred fro↕ m the CPU to the next device withouλ>↕t intermediate steps. Thereforπ≥↑​e, there are no errors or losses in the₽< audio data. In addition, GLD1.0 us÷δ Ωes a complex clock a ‍rchitecture to ensure synchronized daε≠→₹ta output, achieving ♠€αthe highest performanc₩±e of digital player ....÷ &............................... In ord↕§>σer to output the highe≠€δst quality audio data anδπαd clock signals, GLD1.☆ 0 also has a proprietar$©$y "POW" interface, which uses fi'$♦ber optic for data transm☆ ¥ission and coaxial cabl↑×e for clock transmission. This grou≈♣ndbreaking invention has created≈←₹ a new mode for digital players© ∞♣....................................₩∏φ.. The Hong Kong magazine "A>​udiotechnique" describes GLD1 ‍.0 as "a revolutionary de↑∑≠sign that opens up a new digital audi♦↕o frontier."

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9i-806 “Little Silver Fox" hea< ≠∏dphone Amp

9i-806 "Little Silver♣± Fox" headphone Amp is simplified versi∞π>∏on of 9i-906 :Silver Fos÷∏x". Most Advantages of 9i-$♥906 have been preserved but the price i→£s lower than it. Very good v™σ↕"alue for money.

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DSDAC 1.0 (deluxe model)

. DSDAC 1.0 deluxe model is ∏♠¶€a new product which was developed on ✔&↕the basis of the standard model by oε×®ptimizing the clock sy∏βstem and making major mod₩‍αifications to the circuit. It is‌§'≠ different from the ordinary DAC. ↑↔∑Its high-precision DSD frequency rais ✘±ing algorithm solves the playb¶♠ack problem of dsd64 perfectly ↔β∑. . The synchronous direct clock t↔↔>echnology enables the bui ≥lt-in femtosecond clock to ‌λ≥be transmitted to the shift register d★®irectly without any process, so that ≠♠the femtosecond performance can diβ±rectly improve the analo•ελg signal quality. The clock bloc≈∏€king technology can isolates the clock →‍∏₽of pre-device completely , so thaΩ ‌t the clock of the pre-device no£♠ longer becomes a fac≈©♥βtor affecting the sound qua←>♣"lity.

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DSDAC 1.0 (standard model / Super clock‌♣∑  model)

. DSDAC1.0 is a high-perfo→'​rmance audio DAC based ≈™→on DSD theory. It is compσαφ★letely different from ordina←∏&ry DAC because it ha↑¥s many original technologies. It does★¥&↔ not use conventional chips f♦←or DA conversion but FP<α∞♥GA and discrete components fo±↑ r digital processing . . DSDAC1.0 c™♥✘¥an increase the frequency of all input ☆÷£data including PCM or dsd64 to dsd1024.£ ≤§ If the input data isΩ↓σ© higher than the dsd128, you can ₩★also output it direct∞∞πly without increasin♠®g. DSD frequency raising algorithm™€≈ is a very complex mathematica™σl process, DSDAC1.0 did a good job. .€¥ One year after the standa¥≈rd model was launched,the super clo™ε÷ck model was launched. Performance is ±★♦futher improved

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9i-906 "Silver Fox" Headphone A←±®γmplifier

. The 9i-906 headph¥®δone amplifier is nicknamed the "Silver ™©∏αFox". Its purpose is to $ drive "monster" headphoπ¥$nes. The circuit structure i★∏∞s derived from a high performance​☆ power amplifiers. After many red β∞¥esigns and adjustments, the "Silver F≠₹λox" has finally become an excell₩φ φent headphone amplifie ε©→r. It not only has the advantage of€₹↕ high analysis, but also features h"δ∏igh density and neutral↕÷±ity. The sound is musical. It has₽ε>± outstanding driving performan← "₹ce and can drive low sensitivity h≠&¶eadphones. It is one of the best≠$ in its class. . . .  ↕☆$ Whether high or low↑♦ sensitivity, high or l₽×✔φow impedance, moving coil headphones or•  flat panel headphones, the "Silve™↑£Ωr Fox" is able to match them a∑<ll with its superb driving ability a♥®≠nd quality. Compared to ordinary head©™phone amplifiers, the ↑♥​Silver Fox allows headphones to fully‍™→ reveal their character∞®istics.

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Audio technology is an interdiscipli$'πnary technology which is closely r→•εelated to many fields such as elect♣♥roacoustics, materials, machiner☆>α'y, communications, especially art. ββ∑₹ It looks simple but contains maΩ ‍ny complex theories.

We will publish some articles "→λ"here. Some are original an¶¥'™d some are quoted. We hope to give re¶↓∞‍aders some enlightenment in orde∞≤r to get a deeper understanding ofΩ∏≈± the audio.

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AUDIO TECHNOLOGY

This column mainly repost products rev>λ♣iews. We will select some objective re®✔views posts here.

Rational and pragmatic introduction wil₽λ←φl help users to understand the &φproducts in more detail

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Products  Review/Test
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    Technology evaluation

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  • Video

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  • Sales network

    Sales network

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PRODUCT TIDBITS

 

What

Many people are interested in this bo'←¶x and want to know what's in it.• γ∞ . Do you want to kno€←∏‌w?
2022-07-11
9i-92SA

9i-92SA III "golden thrush" is very c© omplex design ! hope i‌✔t has good sales!
2022-06-02
The

Do you understand what i€Ω‌φs this pattern mean?
2022-06-02
9i-906

A beautiful Silver Fox won the highest <​‌award. How exciting.
2022-06-02
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