One Manual - Chord Electronics
Contents
1. ay still find improved performance in your system when using the buffer Please refer to the QBD76 manual for further details everyday use of your ONE Loading and removing discs Loading the disc Firstly open the lid using the handle at the back of the player Grab the handle firmly between forefinger and thumb then push upwards ONE top view Placing the disc Place the disc gently but firmly in the CD housing so that the centre of the disc sits right on the spindle Now close the lid using the handle Wait a short time for ONE to read the disc Table of Contents before you press Play Removing discs Using your forefingers push the disc towards the back of the player as shown by the arrow above so that the disc rises gently over the CD spindle You should now be able to lift the disc out with your thumb basic operation wou UY ooog gt a ka gt i lt lt gt gt PLAY STOP PREVIOUS NEXT PAUSE SEARCH SEARCH BACK FORWARD ONE top panel controls eoooc0crc o o G 2 e 0 6 ONE remote control DUAL DATA INDICATOR TEE SHUFFLE A REPEAT 1 PAUSE ONE display For your convenience some CD functions can be accessed from the top panel and all the functions on the supplied remote control PLAY To play the disc from the beginning press Play P To select a particular track press the track number eg 6 followed by the Play button STOP To stop the disc2. cd player ONE Thank you for buying a Chord Electronics product Before you start to enjoy your CD player please take a couple of minutes to read how to connect your audio equipment and loudspeakers and how to maximise your listening experience inventory As well as your ONE and this user manual you should also have received the following items 1 CD remote control 2 Mains cable 3 Chord guarantee registration card 4 Remote control manual This unit complies with 21 CFR 1040 10 and 1040 11 when setting up To ensure that your CD player works efficiently and safely please pay particular attention to the following issues ventilation Your Chord player should have at least 5cm of clear space all around it to ensure a free flow of air at all times We do not recommend that you place ONE directly on a carpet mains lead and plug All Chord equipment comes supplied with the correct mains lead and plug This should be used at all times if you need to fit a plug for UK Europe Connect the blue wire to the neutral terminal Connect the brown wire to the live terminal Connect the yellow green wire to the earth terminal if you need to fit a plug for US Canada Connect the white wire to the neutral terminal Connect the black wire to the live terminal Connect the green to the earth terminal earthing issues in Europe In some European countries a hum may occur if your ONE is connected to mains sockets that d
3. erformance and immunity to noise pickup from outside the system Digital outputs ONE uses a BNC connector with 75ohm impedance for digital audio Although less common than RCA phono digital connectors BNC connectors exhibit consistent impedance behaviour and are essential for the correct transfer of digital audio data If your digital analog converter only has RCA phono coaxial digital inputs it is worth having a cable made by a specialist manufacturer Please avoid RCA BNC adaptors as they will undoubtedly impair the sound quality In all cases a correctly screened cable should be used using ONE with QBD76 ONE digital output eet SPDIF OUTPUT BNC INPUT 1 o0 00u o u nu amp BNC INPUT 2 QBD76 dual data inputs QBD76 Connect the S DIF2 output from the ONE to either BNC INPUT on the QBD76 If you have more than one source with coaxial output please ensure that the other source is switched OFF when listening to the ONE and turn ONE off when listening to the other source We strongly advise that you use 75ohm hard wired BNC BNC cables and avoid BNC RCA adaptors wherever possible to avoid problems of impedance mismatch and signal reflections RAM buffer settings for QBD76 ONE has been designed as the ultimate reference CD source for the world s finest digital analogue converters such as our own QBD76 As such ONE should be significantly less reliant on QBD76 s RAM buffer than many designs you m
4. it Plug the female end socket of the mains cable into the power connector of the player and the male end plug of the mains cable into mains wall socket or mains extension socket LIVE EARTH NEUTRAL Mains Connector and Switch powering up Press the left hand side of the power switch labelled I ONE will now power up If ONE has no disc loaded the top panel display with read NO DISC if a disc has been loaded then the number of tracks and length of the CD will be shown Please allow a short time for ONE to read the disc s Table of Contents TOC During this time the display will indicate 7 powering down long term 1 Press the STANDBY button on the remote control to put ONE into STANDBY 2 Press the right hand side of the power switch labelled O powering down short term For everyday use there is no need to power ONE down completely Press the STANDBY button on the remote control to put ONE into its Standby mode connecting your equipment S DIF2 Right RCA Left RCA OUTPUT output output Right XLR Left XLR output output ONE rear panel connections All the output connections of ONE are situated on the rear panel of the player Analogue outputs ONE has both RCA phono and balanced XLR analogue outputs together with BNC digital S DIF2 output Chord recommend the use of balanced analogue cables over RCA phono wherever possible as this allows improved signal noise p
5. l but will move around between the tracks you have programmed The STOP button if pressed once returns the player to the beginning of the programmed selection If you press STOP a second time then you will exit program mode and your track selection will be lost REPEAT While the disc is playing press REPEAT once to repeat the whole disc REPEAT will be shown on the top panel display Previous Track Next Track and Search will work as normal in this mode Press REPEAT again to repeat a particular track REPEAT1 will now be shown on the display If you press Previous or Next track if you Search past the beginning or end of the track or if you press STOP you will exit repeat mode Pressing REPEAT for a third time will exit repeat mode SHUFFLE Press SHUF and the player will play tracks in random order until all tracks have been played RANDOM will be shown on the top panel display If you want random play to continue indefinitely press SHUF and then REP Play will now continue until you press STOP 10 frequently asked questions about ONE How do I use ONE with my DSP8000 R For optimal peformance use ONE and QBD76 in conjunction with your DSP8000 R as outlined in the DSP8000 manual and pages 7 8 of this manual When connecting ONE to DSP8000AV directly use the stereo balanced XLR input for best performance For the best sonic transparency configure this input to Bypass in
6. ns Satin Silver Satin Black Brilliant Gold or Silver Chord badge Mains Power 50v AC through to 260v AC Auto line adjust Dimensions mm 335 x 105 x 170 Wx H x D Weight 7 Kg The above specification is subject to change by Chord Electronics Ltd without any prior notice Chord Electronics Limited The Pumphouse Farleigh Bridge Farleigh Lane East Farleigh Kent ME16 9NB Tel 44 0 1622 721444 Fax 44 0 1622 721555 Email sales chordelectronics co uk http www chordelectronics co uk 12
7. o not have an earth If this is the case please ensure that 1 Your player is connected via a multi way mains block which contains an earth point at each socket outlet This is to ensure that the chassis metalwork of each item is connected together 2 We recommend that an earthing method for your building be implemented 3 Use the connecting points on your Chord unit and connect to an available earth point Safety Warnings It is important that your player is earthed at all times via its own mains lead Failure to do this may be hazardous The power supply components within the player are designed to operate at lethal voltages and energy levels Circuit designs that embody these components conform to applicable safety requirements Precautions must be taken to prevent accidental contact with power line potentials Do not connect grounded test equipment Caution This product employs a laser that emits both visible and invisible radiation Removal of the top cover or tampering with any of the enclosed electronics may result in exposure to hazardous levels of laser radiation that could cause eye damage To prevent injury this product should be returned for qualified service to Chord Electronics Ltd There are no user serviceable parts within the ONE CD player Unauthorised tampering or dismantling of this product will invalidate the warranty and could cause injury mains connection The mains connector of ONE is at the back of the un
8. press Stop I PAUSE To pause the disc at a particular time press Pause E Play can be resumed by pressing either Play or Pause To select the next or previous track press Next Track P or Previous Track kd To search through the disc in either direction hold down Search Back 4 or Search Forward D gt To speed up the search press the FAST key once while Search Back or Search Forward are held down The FAST key has no effect if pressed on its own STANDBY Press the STANDBY button to put ONE into Standby and to wake it up again TIME Normally the player will display the time elapsed on the track you are playing Press TIME once and it will now show total time elapsed on the disc and display TOTAL press TIME again and the player will show the time remaining on the disc and display TOTAL REM Press TIME once again to return the display to normal advanced functions Program Mode Programming a track selection Press the track number eg 7 followed by the OK button then the next track eg 4 followed by OK and so on until all tracks have been programmed To play your selection press PLAY If you press the OK button before entering a track number an error message ERR will appear on the top panel display When in program mode PROGRAM will be shown on the display The Previous Track Next Track and Search functions will all work as norma
9. stead of DSP If the stereo balanced input is already being used by another source such as the Chord Symphonic phono stage you could either use the stereo analogue inputs or the L R pair of the 7 1 bypass input What gain level should I use with ONE and my Chord preamplifier For PRIMA gain 0 5 is suggested For CPA series preamplifiers gain 1 5 is suggested The best settings will depend on the output levels from your other sources The user selectable gain is intended to allow the user to even up the levels from several source components Note that CPA 2500 and CPM 2650 do not feature a user adjustable gain section For full details please refer to the Preamplifiers Choral Series manuals Why does my ONE run warm Advanced digital circuitry tends to generate a good deal of heat Your ONE is made from a solid billet of Aluminium which acts like a giant heat sink and removes the need for fans as found on many electronic devices So if the case is warm to the touch there is no cause for concern 11 Product Specification Frequency Response 20Hz 20kHz 0 2dB Signal noise ratio 106dB A weighted Channel Separation 100dB 1kHz Total Harmonic Distortion lt 0 003 20Hz to 20kHz DAC Architecture 24 bit 192kHz Delta Sigma 128x oversampling Laser Mechanism Philips CD Pro2M Analogue Outputs 2 x RCA phono single ended 2 x XLR balanced Digital Outputs 1x BNC digital Coaxial SPDIF Finish Optio
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