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Oracle Audio CD2500 MkIV CD Player and CD2000 MkIII CD Transport

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Oracle Audio CD2500 MkIV CD Player and CD2000 MkIII CD Transport

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.

Oracle Audio

Product Description

0% Financing Available!!

Oracle Audio CD2500 MkIV CD Player and CD2000 MkIII CD Transport

About the Oracle Audio CD2500 MkIV CD Player and CD2000 MkIII CD Transport

 Oracle analogue and digital products have always been designed and built as “musical instruments” that can stand the test of time. It is our belief that achieving simplicity in design is a combination of knowledge and common sense. A properly designed device creates its own form; one that reflects the beauty of its function. True artistry combines these elements by means of the whole being greater than the sum of its parts.

        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.

        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. Both the CD2000 MkIII and CD2500 Mk IV have had their power supply stage totally redesigned. There is better realism, more dynamics and we are closer to a true analog-like sound than ever!

Design & Technology

CD Turntable Interface

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.

Suspension

Because the world around a CD player vibrates, the mechanism must be isolated from it. Oracle’s suspension system has proved to be virtually the very best in the industry.

The Oracle CD 2500’S and CD 2000’s floating chassis assembly is suspended and isolated from room vibrations using four suspension towers. Each suspension tower assembly combines no less than 12 different components on both the CD Drive/Player. The suspension system is a highly sophisticated device combining 7 different mechanical filters all working as a whole to effectively control unwanted vibrations.

The CD player’s levelling feet with their convex shape represent the first barrier to limit vibrations from reaching the CD playing platform. The delrin suspension pillars will cut mid and higher frequencies and the upper spring rubber bushing controls spring resonances while the conical shape suspension spring takes care of the crucial lower frequencies. The spring adjustment sleeve provides spring calibration while controlling spring resonances and the sorbothane damper represents the mechanical energy trap reducing vibrations to an insignificant level. Finally, the felt dampers control inner spring resonances.

Specifications

Configuration:

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

CD2000 Mk III Output Interface:

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

CD2500 Mk IV Input / Output Interface:

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 2000 Mk III Transport: 13 W
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   ( 17 x 6 X 14.5 inches )

Weight:                         16 kilograms / 35,2 pounds.

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Specifications
CD2500 MkIV CD Player and CD2000 MkIII CD Transport

Configuration:

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

CD2000 Mk III Output Interface:

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

CD2500 Mk IV Input / Output Interface:

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 2000 Mk III Transport: 13 W
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. ( 17 x 6 X 14.5 inches )

Weight: 16 kilograms / 35,2 pounds.