Oracle Audio Digital

oracle audio digital

the fine art of playing music

Täydellinen CD-soitin

CD2500 MkIV CD player

CD-soitin

State of the Art!

The CD2500 MkIV harbors a new DAC board that uses the Burr Brown PCM1792 which allows input and output of digital data of up to 24bits/192khz.

The CD player uses four independent and fully discrete analog modules, one for each of the analog signals from the PCM1792. These analog modules which have been further improved from previous versions are at the center of the music reproduction quality.

The CD2500 MkIV can be used as your reference DAC for other digital sources since it features a SPDIF digital signal input…

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CD2500 MkIV CD player

CD 2500 MkIV  25.280
Hinta sisältää alv 25.5 %
Katso tekniset tiedot/ Specifications CD 2500 MkIV 

D2500 Mk IV Input / Output Interface:

Configuration:

Solid State Chassis Brushed Aluminum with a clear lacquer coating.
CD Laser Mechanism:  Philips CD PRO 2LF.



Analog output:                                     1 Pair RCA, 1 pair XLR Balanced.
RCA SP/DIF digital signal output:    RCA, SP/DIF
Load Impedance:                                  75 Ohms
Output Impedance:                              75 Ohms
Output Level:                                          0.5 Volts, peak to peak @ 75 Ohms.
Output Impedance:                              Lower than 100 Ohms.
Analog Output Level:                           RCA single ended 2 Volts RMS, XLR 4 Volts RMS.
DAC:                                                         Burr Brown PCM1792-AG.

Resolution:                                             24 bits @ 192 KHz.
Signal to noise ratio:                             129 dB
Dynamic Range:                                    123 dB
Total Harmonic Distortion:                0,0015%
Analog frequency response:              10 – 50 KHz +/-0,3 dB RCA.

Digital Input: Plays any high resolution audio format, including 24/192 WAV native files and any PCM studio master with no compression or downgrade resolution to let them work.

Power Consumption:

CD 2500 Mk IV Player:                       21 W
Power Requirements:                       100 / 117 / 220 (230) / 240 V, 50 Hz or 60 Hz.


Removable Power Cord Included.
Remote Control Included.

Overall Dimensions:  ( WxHxD )       425 x 150 x 363 mm.

Weight:                                                    16 kilograms

CD-transportit

CD2000 MkIII CD transport

CD-pyöritin

    Many of the problems that affect the accurate reproduction of recorded music derive from unwanted internal or external vibration.

To address this issue the CD2000 MkIII and CD2500 MkIV use a massive aluminum floating chassis and a Delrin decoupling system of the cd drive.

Furthermore, our unique suspension and disc clamping systems originally used in our analog turntables, have been adapted for use in our ”State of the Art” CD Players.

CD2000 MkIII CD transport

CD2000 MkIII  19.150
Hinta sisältää alv 25.5 %
Katso tekniset tiedot/ Specifications CD2000 MkIII CD Transport

CD2000 Mk III Output Interface:
Configuration:

Solid State Chassis Brushed Aluminum with a clear lacquer coating.
CD Laser Mechanism:  Philips CD PRO 2LF

BNC SP/DIF Digital Audio Signal, XLR, AES/EBU, ST (AT&T) Optical Audio Signal Single Ended SP/DIF, 

Load Impedance:                                   75 Ohms
Output Impedance:                               75 Ohms
Output Level:                                         0.5 Volts, peak to peak @ 75 Ohms.
AES/EBU Digital Audio Signal
Format:                                                    XLR
Load Impedance:                                   110 Ohms
Output Impedance:                               110 Ohms
Output Level:                                          4 Volts, peak to peak @ 110 Ohms.
Optical signal nominal wavelength:  650 nm

CD1000 MkIII Transport

CD-pyöritin

Many of the problems that affect the accurate reproduction of recorded music derive from unwanted internal or external vibration. To address this issue the chassis of the CD 1000 series is sculpted in a massive aluminum block.

The CD drive unit is decoupled from the main frame through delrin pillars. Urethane feet act as a suspension/mechanical filter to efficiently decouple the unit from its external environment.

Furthermore, our disc clamping systems originally used in our analog turntables have been adapted for use in our ”State of the Art” CD Players.

The CD 1000 MkIII is a reference digital transport that uses the Phillips CD PRO2 drive.
 

CD1000_MkkIII_Transport

CD1000 MkIII Transport

CD1000MkIII Transport  13.000
Hinta sisältää alv 25.5 %
Katso tekniset tiedot/ Specifications CD1000MkIII Transport 

Digital Audio Signal, XLR, AES/EBU, ST (AT&T), BNC SP/DIF.

Optical Audio signal format:            single ended SP/DIF.

Load Impedance:                                75 Ohms

Output Impedance:                            75 Ohms

Output Level:                                       0.5 Volts, peak to peak @ 75 Ohms.

AES/EBU Digital signal format:      XLR

Load Impedance:                                110 Ohms

Output Impedance:                            110 Ohms

Output Level:                                       4 Volts, peak to peak @ 110 Ohms.

Optical signal nominal wavelength: 650nm

Dimensions:    ( 16.5 x 6 x 14 ) inches

Weight:             30 pounds (approx)

CD Turntable Interface

Design & Technology


Because the CD vibrates slightly due to the high rotational spin speed of the CD mechanism this vibration problem or ”chatter problem” had to be addressed. Oracle Audio created an interface system that effectively controls this unwanted vibration through an innovative combination of materials and their interaction.

CD Coupling System

Chatter is a persistent feature of the compact disc, and it causes a major problem. The chatter or wobble of the disc causes the laser to lack focal clarity which results in distortion or misread information. This in turn causes the error correction circuitry to have to operate and sometimes to excess.

Oracle pioneered the now well established record clamp system to solve problems with analogue records back in 1979. A similar system has been developed by Oracle to combat CD chatter. Our Disc clamp acts to eliminate the chatter by magnetism coupled with a slight vacuum created by a thick Urethane washer; together these two effects solved the problems.

Craftsmanship

In order to achieve an impeccable natural finish on most of the machined parts, diamond cutting tools are used extensively. Each aluminium component is hand brushed and coated with a high gloss polyester lacquer to seal and preserve the beautiful natural appearance.

At Oracle Audio Technologies, people make the difference in manufacturing, they are craftsmen devoted to serving our customers. Their work creates pride of ownership; their passion for detail shows at every step of the manufacturing process. Their manufacturing techniques and skills result in a work of art.

The floating chassis

The floating chassis plays an important role within the CD 2500 and CD 2000; it must rigidly support both the mechanism and the adjacent electronics. Its maximum rigidity, its minimal surface area and energy control are key its design parameters. The floating chassis system as a whole, due to its high mass, contributes in effectively controlling vibrations with the aid of additional mechanical filters. The chassis nylon sleeve within the Cd enclosure eliminates the high frequencies, the Delrin drive decoupling pillars remove medium and high frequency interferences from the vicinity of the drive mechanism. Finally, a Urethane compound acts as a mechanical energy trap reducing any remaining vibration to an insignificant level…

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