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大昌影音 DCHAV
【Grandioso P1X發燒轉盤 分體設計】
如想配置一部靚聲唱盤，日本ESOTERIC旗艦級SACD/CD轉盤Grandioso P1X是不錯選擇，它採用獨家開發的VRDS ATLAS技術，有效減低CD轉動時產生的震動，改善讀取音訊的精確度。讀碟結構採用SS400鋼框架，加上大量鋼板支架及厚身鋁材來增加穩定性，令其重量高達29kg。而且轉盤主機與電源部分採用分體式設計，有效減少震動和干擾。輸出方面，搭載以HDMI作線材的ES-LINK，支援DSD 22.5MHz、PCM 48-bit 768kHz數碼輸出，突出平時忽略了的音色細節。
資料來源：http://bit.ly/2lFonaC
對Grandioso P1X 及 Grandioso D1X有興趣的朋友請親臨灣仔陳列室及各大昌專櫃體驗！
陳列室地址：香港灣仔皇后大道東183號合和中心707B
電話：(852) 2663 2738
#DCHAV #ESOTERIC #P1X
GRANDIOSO K1X
"Two revolutions integrated. Two revolutions connecting people to music... The VRDS-ATLAS and Master Sound Discrete DAC - now come to fruition in an integrated player that carries the name… Grandioso ( Grandioso (music): Grand or noble)."
An unprecedented transport mechanism that invites you to the furthest reaches of sound.
VRDS (Vibration-Free Rigid Disc-Clamping System) is Esoteric's unique CD/Super Audio CD transport technology, which has been specially designed to clamp the disc to a same-diameter turntable in order to eliminate the disc's rotational vibration, as well as any extraneous vibration emanating from the mechanism itself. It also corrects any warpage of the disc, dramatically improving the accuracy of both the optical pickup and the disc pit layer's corresponding optical axis, while also minimizing servo current. This all adds up to dramatically reduced disc read error for exceptional audio quality.
The new VRDS-ATLAS platform boasts unprecedented mechanical perfection and superlative audio quality, with heavyweight construction that is fully 127% heavier than previous iterations (6.6kg for the mechanism alone, and 13.5kg including its base). This highest rigidity and weight in the history of VRDS mechanisms has the effect of greatly reducing any and all vibration that could adversely affect audio quality. The transport's larger new side panels and bridge are all formed of SS400 steel, and its turntable is made from duralumin, which is renowned for its excellent sound quality. Also, its spindle features a newly designed thrust bearing system, for a friction-free one-point spindle support system that ensures smooth, noiseless turntable rotation.
Esoteric's impressive VRDS-ATLAS is the quietest and most elegant transport in the history of VRDS. The key to achieving this was a resolute focus on mechanical grounding technology that more effectively reduces vibration.
Adopting a wide & low-profile design for the entire mechanism helped achieve a lower center-of-gravity, and relocating the turntable motor to below the turntable from its previous position above the bridge dramatically shortened the route for grounding vibration and reducing mechanical noise. Tray hollowing has also been minimized for increased rigidity, and special stoppers made from vibration-absorbing elastomer cancel out resonance when the tray is stored.
The Grandioso K1's mighty power supply was the key to its powerful and profound three-dimensional sound. With the introduction of its new X version, this power supply has been dramatically enhanced to add further depth to its exceptional audio tone. Its built-in D/A converter features independent power transformers for left and right channels, and the K1X includes a total of four independent toroidal power supply transformers. Furthermore, technologies cultivated in the development of the Grandioso P1X/D1X have also been adopted, including a new low-feedback DC power supply regulator featuring a discrete circuit configuration which contributes to its powerful open sound. The K1X also contains a total of 76 EDLC* supercapacitors (with a total capacity of 2,050,000µF or 2.05F). This greatly increased power supply capacity provides a tremendously improved sound quality for exceptional resolution in the lower frequency ranges.
*EDLC (Electric Double-Layer Capacitor):A special type of capacitor boasting an astoundingly high capacity compared to the electrolytic capacitors used in conventional audio equipment.
The VRDS-ATLAS transport mechanism is centrally located within the chassis, where it is fixed to a 5mm-thick steel bottom plate and supported by four proprietary pinpoint feet (patent no. 4075477 and 3778108). This effectively isolates the rotational mechanism from vibration. The internal structure of the chassis features a double deck design, with the audio boards on the upper level and power supply circuits and transformers on the lower level to minimize magnetic flux leakage and vibration, while also shortening the power supply wiring.
Semi-Floating Top Panel
The enclosure's top panel utilizes a screwless semi-floating structure that further contributes to an open and expansive sound.
Master Sound Discrete DAC
Bringing out all the dynamics and energy of the original master recordings.
Master Sound Discrete DAC Bringing out all the dynamics and energy of music.
Unattainable by integrated chips, our goal was to assemble carefully selected and tested discrete components into a complete circuit that could perfectly reproduce all the dynamics and energy of music. Our top engineering teams put their pride on the line to design and produce a quality of sound that can only be found in the Master Sound Discrete DAC discrete D/A converter.
The K1X's Master Sound Discrete DAC is the most revolutionary two-channel stereo DAC circuit in Esoteric's history, and is based on the original circuit developed for the Grandioso D1X monaural D/A converter.
As an extension of the D1X's design philosophy, a luxurious volume of materials have been invested in the construction of K1X's Master Sound Discrete DAC. For example, it features 32 separate elements for each channel. Key components such as a clock driver, logic circuit, and capacitors and resistors, are kept independent for each of these 32 elements to ensure the purest output without no loss of musical energy.
The K1X's independently developed Δ∑ modulator supports 64-bit/512Fs and the latest high-end digital formats, including of 22.5MHz DSD and 768kHz PCM signals. The FPGA's* dedicated digital processing algorithm was developed exclusively for the Master Sound Discrete DAC, and has been fully optimized for outstanding playback of both DSD and PCM digital audio data.
Advanced Quality Control
With a discrete DAC, where component tolerances are directly linked to arithmetic precision, highly advanced quality control is also required for the manufacture of electronic circuit boards. Esoteric's own in-house factory boasts some of the world's leading board mounting technologies, such as soldering performed in an oxygen-free furnace, which is located in a clean room featuring the same level of cleanliness found in a hospital operating room. Technologies cultivated in the production of electronic circuit boards for audio, medical, aerospace, and defense industries support the high production quality of the Master Sound Discrete DAC.
The ESOTERIC-HCLD output buffer amplifier boasts an amazingly high-speed slew rate (response speed) of 2,000V/µs. Current transmission and speed—the most important factors for an analog output circuit—have been pushed to the limits to reproduce the reality of music with a dynamic range that is truly breathtaking.
In addition to its XLR and RCA amplifier line connections, the K1X also features the ES-LINK Analog method of current transmission. Taking full advantage of the HCLD buffer circuit's powerful current supply makes the K1X less susceptible to the detrimental effects of impedance on the signal route. It also enables a more powerful signal transmission, fully driving connected compatible devices.
A high-accuracy clock circuit is the key to achieving superlative sound quality in digital audio playback. A top-quality clock circuit is truly the heart of any high-end digital player. The K1X now features the superb Grandioso Custom VCXO II clock originally developed for the Grandioso P1X/D1X. This clock was developed with carefully considered modifications made to the earlier model's internal circuitry and components to more vividly emphasize the K1X's ultimate audio quality while further boasting remarkably low phase noise and excellent center precision (±0.5ppm).
The K1X can also be connected to the Grandioso G1 Master Clock Generator for playback, with internal circuits synchronized to a 10MHz clock that features the same high precision as an atomic clock, enabling further pursuit of high sound quality.
D/A Converter Functions for External Input, D/D Conversion, MQA Support & USB Input
In addition to its coaxial and optical inputs, the K1X also features a USB type-B port that is compatible with both 22.5MHz DSD and 768kHz/32-bit PCM asynchronous signal transmission, thus enabling it to also be used as a stand-alone D/A converter. Functions are provided for upsampling a PCM digital signal to 2/4/8/16× (max. 768kHz) and converting PCM to DSD. The K1X is also compatible with MQA-CD decode playback and full MQA decoding for playback of various digital inputs including USB.*
*MQA certification is pending as of August, 2019, and support is scheduled to be added via a software update as soon as certification is complete.
(Source: Esoteric Japan)
https://youtu.be/mQ1d2czgMxI
零售價：HK$ 528,000/套（四件），真係好貴，不過真係好靚聲！
今次試聽這套Esoteric Grandioso P1X SACD 轉盤/ Grandioso D1X 解碼器，合共有5個機箱，包括P1X轉盤主體，轉盤分體電源， D1X 解碼器左右聲道各一部，還有一部G1數碼主時鐘。
今次聽這套Esoteric最新旗艦級訊源使我對Esoteric一個新體驗。我一向認為Esoteric無論在外殼工藝，機身設計和穩定性也非常高水漸，還有內部設計也是精益求益，而且故障率亦相當低，不過聲音始終不是本人口味，而今次聽到這套Grandioso P1X SACD 轉盤/ Grandioso D1X 解碼器後，使我對它的聲音表現完全改觀，這是我喜歡的聲音取向，除了超強分析力，亦帶有歐式有文化的聲音。
查探原因，可能就是最新研發的VRDS-ATLAS SACD機械部份，全身自行開發的解碼線路和機殼採用半固定性安裝有關。當然這套超級旗艦我真的沒錢買，就算有錢買也沒有足夠地方放下這5個機箱，不過我相當期待Esoteric 能夠下放技術到將來開發的下級新機種上，熱切期待K1X的出現！
如果閣下有足夠空間和資源，P1X和D1X一定是首選，如果受聆聽空間所限，買入K1X也是一個不錯的選擇……
Esoteric Grandioso K1X SACD Player 官方網頁：
https://www.esoteric.jp/en/product/k1x/top
K1X 定價：HK$239,800
另設Facebook群組Hi Fi 發燒圈，歡迎加入：
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#音響 #發燒圈 #Lee388 #Esoteric #K1X #Audiotechnique #SACD_Player #Audio
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零售價：HK$ 528,000/套（四件）
今次試聽這套Esoteric Grandioso P1X SACD 轉盤/ Grandioso D1X 解碼器，合共有5個機箱，包括P1X轉盤主體，轉盤分體電源， D1X 解碼器左右聲道各一部，還有一部G1數碼主時鐘。
今次聽這套Esoteric最新旗艦級訊源使我對Esoteric一個新體驗。我一向認為Esoteric無論在外殼工藝，機身設計和穩定性也非常高水漸，還有內部設計也是精益求益，而且故障率亦相當低，不過聲音始終不是本人口味，而今次聽到這套Grandioso P1X SACD 轉盤/ Grandioso D1X 解碼器後，使我對它的聲音表現完全改觀，這是我喜歡的聲音取向，除了超強分析力，亦帶有歐式有文化的聲音。
查探原因，可能就是最新研發的VRDS-ATLAS SACD機械部份，全身自行開發的解碼線路和機殼採用半固定性安裝有關。當然這套超級旗艦我真的沒錢買，就算有錢買也沒有足夠地方放下這5個機箱，不過我相當期待Esoteric 能夠下放技術到將來開發的下級新機種上，熱切期待K1X的出現！
另設Facebook群組Hi Fi 發燒圈，歡迎加入：
https://www.facebook.com/groups/454356881290493/
#HiFi #Esoteric #SACD
