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Å©±â(WHD): 306 x 1000 x 306mm
ÆÇ¸Å°¡°Ý:17500/ÇÑÁ¶ euro)
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ÀÓÇÇ´ø½º: 8¥Ø
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Ãßõ¾ÚÇÁÃâ·Â: 50-250W
Å©±â(WHD):240 x 1000 x 400mm
Áß·®: 35kg(ÇÑ °³´ç)
¿¬¶ôó: +420 311 329 876




·ç¸¶´Ï¾ÆÀÇ Suceava¿¡ À§Ä¡ÇØ ÀÖ´Â ¿Àµð¿À½Ã½ºÅÛ Á¦Á¶ ¸ÞÀÌÄ¿ÀÎ Rockna Electronics»ç´Â 1999³âµµ¿¡ ¼³¸³µÇ¾ú´Ù. µ¿»çÀÇ ¸ðµç Á÷¿øµéÀº ±â¼ú ºÐ¾ß¿¡ Á¾»çÇØ ¿Ô´ø ÆÀµé·Î ±¸¼ºµÇ¾î ÀÖ°í À̵鿡 ÀÇÇØ °øÅëÀÇ ¿Á¤À¸·Î ¿î¿ëµÇ°í ÀÖ´Ù.
µ¿»ç°¡ °³¹ß ¼Ò°³Çϰí ÀÖ´Â ¸ðµ¨ Wavedream DAÄÁ¹öÅͽýºÅÛÀº 4°èÅëÀÇ ÄÁÆ®·Ñ ½ºÀ§Ä¡°¡ ÀÖÀ¸,¸ç »ç¿ëÇÏ±â Æí¸®ÇÑ IR ¸®¸ðÆ® ÄÁÆ®·Ñ ±â´É ±×¸®°í Firmware ¾÷±×·¹À̵å usb µîÀ» °®Ãß°í ÀÖ´Ù. µ¿»çÀÇ ¸ðµç Á¦Ç° ¼³°è´Â ¿É¼ÇÀ» Á¦°øÇϰí ÀÖÀ¸¸ç ³»ÀåµÈ ³»ºÎ ±¸Á¶´Â ¿Ïº®ÇÏ°Ô ½ÇÇèÀ» °ÅÃÄ ¸¸µé¾îÁö°í ÀÖ´Ù.



FPGA - µðÁöÅР󸮸¦ concernig Wavedream DACÀÇ ¸ðµç ºôµù ºí·ÏÀº ÇÁ·Î±×·¥ ÇϳªÀÇ ½Ç¸®ÄÜ Á¶°¢¿¡ ¿ÏÀüÈ÷ ³»ÀåµÇ¾î ÀÖ´Ù. FPGA, ±×°ÍÀº ³»ºÎ Çϵå¿þ¾î ¾ÆÅ°ÅØÃ³´Â ¼ÒÇÁÆ®¿þ¾îÀÇ Á¶°¢(½ÇÁ¦·Î, ¸Å¿ì º¹ÀâÇÑ ÀÏ)¿¡ ÀÇÇØ ¼³¸í µÉ ¼ö ÀÖ´Ù.
»õ·Î¿î Æß¿þ¾î·Î Wavedream ±â´ÉÀ» ¾÷±×·¹À̵å ÇÒ ¶§´Â ½ÇÁ¦·Î Çϵå¿þ¾î¸¦ º¯°æÇØ¾ß Çϸç
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Ŭ·ÏÀº µðÁöÅÐ Àç»ý ½Ã½ºÅÛÀÇ ½ÉÀåºÎÀÌ´Ù. ±×°ÍÀÇ Á¤È®¼º°ú ÁöÅÍ ¼öÁØ À½ÁúÀÇ Á¡¿¡¼ Áß¿äÇÏ´Ù. ´ÜÁö ¸Å¿ì ÁÁÀº ½Ã½ºÅÛ Å¬·ÏÀº DAÄÁ¹öÅÍÀÇ Ãâ·Â¿¡ ¾Æ³¯·Î±× ¼Ò¸®ÀÇ ±æÀ» ¸¸µé ¼ö ÀÖ´Ù.
Clock ½Ã½ºÅÛ¿¡ °áÇÔÀÌ ÀÖ´Â °æ¿ì µðÁöÅп¡ ¹®Á¦°¡ ¹ß»ýÇÒ ¼ö ÀÖ°í À½¾ÇÀÇ ¾Æ³¯·Î±× °¨°¢ ½É°¢ º¯°æ µÉ °ÍÀÌ´Ù. ¼±Á¤ÇÑ Clock ½Ã½ºÅÛ ÀÚü ¼º´É¿¡¼ µ¿µîÇÏ°Ô Áß¿äÇÑ DAÄÁ¹öÅÍ ³»ºÎ Ŭ·Ï Æ®¸®(Ŭ·Ï ºÐ¹è ±¸Á¶)ÀÇ ±¸¼ºÀÌ´Ù.
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We are proud to present our current flagship in digital audio reproduction. We believe it has the right ingredients to produce a sound that will honour it¡¯s name. In the good tradition established by it¡¯s predecessor, the Wavedream continues to push the limits of performance, design and sound quality.
The ingredients, innovations, technology and features of the product are presented below.
We always thought that high-end audio should be everything about innovation. Playing around with off-the-shelf available chips is fun and certainly a good and economic way to produce good sound.
But once you want to design a cutting-edge product, the off-the-shelf approach doesn¡¯t apply. Naturally, a custom solution, freed from the limitation of the available chipsets, come into place, allowing us to design and build from the scratch an entire digital audio system.
All building blocks of the Wavedream DAC concernig digital processing are built entirely on a single piece of programmable silicon – a FPGA. With a FPGA, it¡¯s internal hardware architecture could be described by a piece of software (actually, a very complex one).
When upgrading the Wavedream with new firmware, you actually change it¡¯s hardware. This system allows great flexibility, obsolescence protection and let us improve the sound of your dac by changing it¡¯s internal architecture, or add new cool features, or improve the existing ones.
The clock is the heart of a digital reproduction system. It¡¯s accuracy and jitter levels are critical in regard of sound quality. Only a very good clock system can make the way to the analog sound on the output of your DAC.
If the clock is flawed, digital harshness will occur and the analog feeling of the music will be severely altered. Apart from the performance of the clock itself, equally critical is the construction of the clock tree(the clock distribution architecture) inside the DAC.
The jitter amount that really counts it¡¯s not only the performance of the clock itself – but the clock which actually enters the dac and is used for conversion – let¡¯s call it the conversion clock.
The conversion clock that enters the dac section relies on the clock tree, which is usually not just routing, but in most cases conditioning, altering it¡¯s quality. A poorly designed clock tree can degrade significantly the clock quality entering the d/a section, even if the source clock has great performance.
With these facts in mind, we designed for the Wavedream an advanced clock system called the femtovox. With femtovox in place, one is assured that only extremely small amounts of jitter are present at the dac conversion clock input.
It¡¯s unique architecture employs that conversion clock is directly synthesised at the dac input, without any conditioning, giving constant jitter performance at any sample rate.
The conversion clock is controlled with 1 ppb precision, while exhibiting about 300 fS of jitter. The smallest jitter figure in the world No. The smallest jitter figure where actually matters Probably.
For the effective D/A conversion stage, the Wavedream uses a sign-magnitude, pure multibit R2R discrete ladder solution which can sustain a maximum sample rate of 3 MHz.
This refined architecture grants one of the most natural sound reproduction, provided that very accurate conversion clock is supplied.
Naturally we have dedicated sections for digital and analog areas. There are 3 separate transformers, and all power supplies are low noise linear - no switchmode power supplies are used whatsoever.
There are a total of 20 linear regulators inside the dac. We dedicated our attention to the dac modules regulators – which are designed from the scratch for low impedance and ultra-low noise
On the dac menu can be found a series of useful features. Let¡¯s take a short walkthrough. The preamp feature-The Wavedream has a 256 steps volume control which allows direct connection of a power amplifier. The volume control has 0.5 dB steps for a fine resolution setting.
The phase select feature – the user can change the absolute phase of the output signal. The filter select feature – discussed above. The filters can be switched off for NOS operation.
The clock setting – there are 2 modes of the digital PLL response, stream and local. Please reffer to the clock technical document under the technology section for more information.
Dither – to improve R2R ladder linearity, ultrasonic dither is applied on the last 4 bits from the digital 24-bit word.
The Wavedream benefits internally from a carefully studied, full symmetrical layout. Shortest signal paths and proper design of the clock tree were our main guidelines.
All off-board connections are made with LVDS standard for lowest intereference, high speed and minimal jitter.
The transformer section is internally shielded to prevent internal EMI leakage. The chassis is entirely made of black anodized aluminium with a maximum fronplate thickness of 20 mm. Switches are black ruthenium finish.
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µðÁöÅÐÀԷ´Ü: µ¿Ãà S/PDIF 24ºñÆ® 192KHz
AES/EBU 24ºñÆ®, 192KHz
USB 32ºñÆ®-384KHz PCM, DSD 1ºñÆ®, 11.28MHz
HD-Link1(LVDS) 32ºñÆ®-384KHz PCM, DSD 1ºñÆ®, 11.28MHz
HD-Link2(LVDS) 32ºñÆ®-384KHz PCM, DSD 1ºñÆ®, 11.28MHz
µðÁöÅÐÃâ·Â´Ü : SE/¹ë·±½ºµå(version dependent)THD+N, 0dB: 0.006%
´ÙÀ̳»¹Í·¹ÀÎÁö(A-weighted): 125dB
S/Nºñ(A-weighted): 140dB
ÀÓÇÇ´ø½º: 5¥Ø
µðÁöÅÐ ÇÁ·Î¼¼½Ì: High-frequency asynchronous capture
digital inputs: 560MHz »ùÇøµ
Memory-based PLL, digital domain only: 300 fS ÁöÅÍ
16¹è Ä¿½ºÅÒ µðÁöÅÐ ÇÊÅÍ: ¸®´Ï¾î ÃÖÀú ±×¸®°í ÇÏÀ̺긮µå
phase, 705.6/768KHz
ÇÊÅÍÇü(advanced convolution) : Parks-McClellan/Raised Cosine, 2000 taps
Mathematical precision: 68ºñÆ® INTEGER
Stopband attenuation: 130-148dB
Passband ripple: 0,0001dB
Dither: 4ºñÆ®, Gaussian ultrasonic
º¼·ýÄÁÆ®·Ñ: ÄĽºÅÛ multiplier array, 256 steps, 0.5 dB step
Miscellaneous: 128x64 yellow oled display, dimmable in 8 steps
Å©±â(WHD): 440 x 90 x 360mm
Áß·®: 7.8Kg
¿¬¶ôó: 0374.994.025