A1 User Manual - All Languages
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1. The unit requires ventilation above and below Do not situate it on a rug or other soft surface and do not obstruct the air inlet and outlet grilles on the underside and top cover Do not place in an enclosed area such as a bookcase or in a cabinet This unit must not be exposed to dripping or splashing water or other liquids No objects filled with liquid such as vases shall be placed on the unit In the event switch off immediately disconnect from the mains supply and contact your dealer for advice Do not route the power cable so that it can be walked upon or damaged by other items near it Electronic audio components have a running in period of around a week if used several hours per day This will allow the new components to settle down the sonic properties will improve over this time Do not plug a source component directly into a power amplifier unless it has a variable output level Always turn a control amplifier on before a power amplifier Never turn on a power amplifier when no control amplifier is connected It is recommended that when bi amping the same type power amplifiers are used If you do not intend to use this unit for a long period of time switch it off and unplug it from the mains socket Amplifiers To clean the unit wipe it s case with a moist lint free cloth Do not use any cleaning fluids containing alcohol ammonia or abrasives Do not spray an aerosol at or near the amplifier These units2. BI WIRABLE LOUDSPEAKERS A5 SERIES BI WIRABLE LOUDSPEAKERS A1 SERIES O ner DC COG AMPLIFIER D AS SERIES ad rO 0 0 0 0 2 96 AMPLIFIER ee I P SERIES GO CO AMPLIFIER eo He Do LF pe RIGHT SPEAKER LEFT SPEAKER HOO BI WIRE LINKS REMOVED FROM TERMINALS RIGHT SPEAKER LEFT SPEAKER BI WIRE LINKS REMOVED FROM TERMINALS 10 Amplifiers FIGURE 7 FIGURE 8 BI AMPING WITH AN INTEGRATED AMPLIFIER AND BI WIRING WITH A CONTROL POWER COMBINATION BI WIRABLE LOUDSPEAKERS A5 SERIES SED 066606 o TE C SERIES waur OP OO A5 SERIES 0000000 Gen AMPLIFIER e 0 8 GS 99 Q AMPLIFIER SH P SERIES E D GD O Or QC re AMPLIFIER Our RIGHT LEFT P SERIES 1 2 DCH AMPLIFIER Z RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER BI WIRE LINKS REMOVED FROM TERMINALS BI WIRE LINKS REMOVED FROM TERMINALS 11 Cambridge Audio FIGURE 9 FIGURE 7 BI AMPING WITH A CONTROL POWER COMBINATION BI AMPING WITH A CONTROL POWER COMBINATION ALTERNATIVE CONNE
3. a tape recorder or signal processor connected to the amplifier s TAPE IN sockets When TAPE MD MONITOR is selected the source component chosen by the INPUT SELECTOR continues to be routed to the TAPE OUT sockets for recording or processing CONNECTING When designing our amplifiers we have tried to include features that allow you to connect your system in various ways The inclusion of features such as PRE OUT and bi wire loudspeaker sockets mean that you can configure your system depending on your requirements The diagrams over the next few pages are designed to make connection easy Bi wiring If your loudspeakers are equipped with two sets of terminals then it is possible to connect them in the bi wire configuration see figures 3 amp 5 Bi wiring sends the bass and treble frequencies down separate speaker cables resulting in a clearer more focussed sound Bi amping If your amplifier is equipped with PRE OUT sockets and your loudspeakers have two sets of terminals then it is possible to bi amp your system using a further power amplifier see figures 4 6 amp 7 Bi amping uses two amplifiers to drive the bass and treble units in the loudspeakers independently resulting in even greater clarity coupled with improved control and dynamics 7 Cambridge Audio FIGURE 1 INTEGRATED AMPLIFIER BASIC CONNECTIONS A1 SERIES TAPE MD REC PLAYBACK an tz SOURCE COMPONENTS Ge CD TUNER ETC ilo 1 CORO O
4. loudspeakers surroundings are lacking it may be necessary to adjust the tone controls to compensate Direct This control gives the audio signal a more direct path to the power amplifier stage of your amplifier bypassing the tone control circuits for the purest possible sound quality Volume This control adjusts the overall volume of the sound for both left and right loudspeakers and the PRE OUT sockets where featured It has no effect on the level of the signals fed to the TAPE OUT connections to your tape MD recorder On some models the volume can also be controlled using the supplied or optional remote control unit It is advisable to turn the VOLUME control fully anti clockwise before switching the amplifier on Balance This control allows you to adjust the relative output levels of the left and right channels In the central position the output from each channel is equal This control only modifies the sound through your loudspeakers and the PRE OUT sockets where featured it does not affect the signals sent through the TAPE OUT connections to your tape MD recorder Amplifiers Remote sensor This sensor receives the infra red signals from the remote control unit Input selector Rotate the input selector switch to select the source component that you wish to listen to The signal selected is also fed to the TAPE OUT sockets so that it may be recorded Tape MD Monitor This control lets you listen to the output signal from
5. sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the service literature relevant to this appliance This product complies with European Low Voltage 73 23 EEC and Electromagnetic Compatibility 89 336 EEC Directives when used and installed according to this instruction manual For continued compliance only Cambridge Audio accessories should be used with this product and servicing must be referred to qualified service personnel 4 The crossed out wheeled bin is the European Union symbol for indicating separate collection for electrical and electronic equipment This product contains electrical and electronic equipment which should be reused recycled or recovered and should not be disposed of with unsorted regular waste Please return the unit or contact the authorised dealer from whom you EEE purchased this product for more information Plug Fitting Instructions UK Only The cord supplied with this appliance is factory fitted with a 13 amp mains plug fitted with a 3 amp fuse inside If it is necessary to change the fuse it is important that a 3 amp one is used If the plug needs to be changed because it is not suitable for your socket or becomes damaged it should be cut off and an appropriate plug fitted following the wiring instructions below The plug
6. Amplifiers User s manual Cambridge Audio Cambridge Audio CONTENTS Introduction Safety PreCAUtiOm ss liyan aia kal n suave AEAN EATE LE RA WERA HEKER HERERNE HEZEK ER KWA DEK 4 Tol n AE AA AAA UU 5 Rear panel nni IAEA 5 Operating MS 1 is ini uuu uuu uuu uuu uuu as kani k d kan a d h a E REME 7 Connection Dia Bra RS uu 8 Hee Limited warranty INTRODUCTION Congratulations on purchasing this Cambridge Audio amplifier It has been designed using the results from an extensive Research amp Development program undertaken to identify the circuitry and components fundamental to our highly regarded and critically acclaimed products This knowledge has resulted in a reduced component count and shorter signal paths which provide further enhanced performance and improved reliability The quality and value for money offered by Cambridge Audio products now surpasses even our high standards The performance of any amplifier is ultimately limited by the dynamic abilities of its power supply and for this reason Cambridge amplifiers feature generously over specified power transformers discrete diode rectification and selected high speed reservoir capacitors Power regulation is also used wherever possible and our transformers are custom designed low flux type allowing for the instantaneous clean delivery of current whenever it is needed Particular attention has also been paid to the qu
7. CTIONS umim mmm ere mam m wi am PRE OUT IC SERIES OOO0O000 Oe O LEFT Seege ge O O r AMPLIFIER A066 ef ZA E CESERIES SS 000000 9 O O aor AMPLIFIER P SERIES LEF GOD AMPLIFIER E EG O Own ID GED AMPLIFIER E SEN P SERIES U Our RIGHT LEFT Qer CH G AMPLIFIER Ge AMPLIFIER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER BI WIRE LINKS REMOVED FROM TERMINALS BI WIRE LINKS REMOVED FROM TERMINALS 12 TROUBLESHOOTING There is no power Ensure the AC power cord is connected securely Ensure the plug is fully inserted into the wall socket and is switched on Check fuse in the mains plug or adaptor There is no sound Check that source component is properly connected Check that TAPE MD MONITOR is in the correct position Check that your speakers are properly connected There is no sound on one channel Ensure that balance control is in the correct position Check speaker connections Check interconnects There is a loud buzz or hum Check turntable or tone arm for ground and connection lead fault Ensure no interconnects are loose or defective Ensure that your tape deck turntable is not too close to the amplifier Unable to make or play tape recor
8. K OK RIGHT LET ESERIES COUR XOC o AMPLIFIER DE r 5 RIGHT SPEAKER LEFT SPEAKER BI WIRE LINKS FITTED TO TERMINAL IF BI WIRABLE FIGURE 2 INTEGRATED AMPLIFIER BASIC CONNECTIONS A5 SERIES TAPE MD REC PLAYBACK ann lt i SOURCE COMPONENTS CD TUNER ETC e A5 SERIES a AMPLIFIER bo RIGHT SPEAKER LEFT SPEAKER BI WIRE LINKS FITTED TO TERMINAL IF BI WIRABLE FIGURE 3 CONTROL amp POWER AMPLIFIER BASIC CONNECTIONS TAPE MD REC PLAYBACK SOURCE COMPONENTS CD TUNER ETC Dean C SERIES Cen AMPLIFIER ZC P SERIES O O tert RIGHT LEFT O Ons 9 SIS AMPLIFIER oO PC 2 HE HF Ce Gd EE RIGHT SPEAKER LEFT SPEAKER BI WIRE LINKS FITTED TO TERMINALS IF BI WIRABLE Amplifiers FIGURE 4 BI WIRING WITH AN INTEGRATED AMPLIFIER AND BI WIRABLE LOUDSPEAKERS A1 SERIES SA me DICH Go 0 0 0 0 0 0 0 0 RIGHT LEFT AISERIES KS OO O QO oo D se AMPLIFIER Oe ORD Lur Er RIGHT SPEAKER LEFT SPEAKER BI WIRE LINKS REMOVED FROM TERMINALS Cambridge Audio FIGURE 5 FIGURE 6 BI WIRING WITH AN INTEGRATED AMPLIFIER AND BI AMPING WITH AN INTEGRATED AMPLIFIER AND
9. al rights and you may have other statutory rights which vary from state to state or country to country Cambridge Audio Amplifiers eS www cambridge audio com Part No AP10513 5
10. ality of the passive components where close tolerance metal film resistors and audio grade signal coupling capacitors are used throughout Critical line level circuits are also protected from electrical noise by our custom designed gold plated shielding cans Some Cambridge Audio amplifiers also incorporate tone controls which may be switched out of circuit in direct mode for the shortest and therefore purest signal path Other features include increased protection against accidental short circuits or sudden overload and dual sets of high current loudspeaker terminals for easy bi wiring To get the absolute best from this equipment we would encourage you to use only high quality source components Of course we particularly Amplifiers recommend tuners and digital equipment from the Cambridge Audio range all of which have been designed to the same exacting standards as our amplifiers Many types of loudspeakers were used in the development of these amplifiers to ensure maximum compatibility with a wide variety of designs Interconnects and speaker cables are also something that shouldn t be overlooked Please do not compromise your system s performance by using poor quality cables to connect source components to your amplifier or the amplifiers output to your loudspeakers A system is only as good as its weakest link For this reason we do not include cheap freebie cables with any of our products Your dealer can supply good quality Cambrid
11. are not user serviceable never attempt to repair disassemble or reconstruct the unit if there seems to be a problem A serious electric shock could result if this precautionary measure is ignored In the event of a problem or failure please contact your dealer REAR PANEL CONNECTIONS Note Some features may not apply to all models Refer to the diagram on your accompanying Owners Certificate A amp C SERIES INTEGRATED amp CONTROL AMPLIFIERS Ground connection If you are connecting a turntable to your amplifier then its ground wire should be attached to this point Aux Phono Connect any line level source equipment to these sockets i e CD player or DAB tuner Alternatively a turntable can be connected but first a phono stage must be installed Please contact your Cambridge Audio dealer who can supply and install a phono stage to your amplifier These inputs are for analog audio signals only They should not be connected to the digital output of a CD player or any other digital device AV DVD MD Tape 2 Connect a video derived audio signal to these sockets such as the audio monitor receiver or Television decoder Alternatively any line level audio signal may be connected here including a second tape deck or MiniDisc player 5 Cambridge Audio CD Connect the audio signal from a Compact Disc player to these sockets Alternatively any line level audio signal may be connected here Tuner Connect the audio s
12. dings Check that TAPE MD IN and REC OUT have been connected correctly There is weak bass or diffused stereo imaging Ensure that speakers are not wired out of phase Sound is distorted Ensure that your volume control is not set too high Amplifiers 13 Cambridge Audio LIMITED WARRANTY Cambridge Audio warrants this product to be free from defects in materials and workmanship Subject to the terms set forth below Cambridge Audio will repair or replace at Cambridge Audio s option this product or any defective parts in this product Warranty periods may vary from country to country If in doubt consult your dealer and ensure that you retain proof of purchase To obtain warranty service please contact the Cambridge Audio authorised dealer from which you purchased this product If your dealer is not equipped to perform the repair of your Cambridge Audio product it can be returned by your dealer to Cambridge Audio or an authorised Cambridge Audio service agent You will need to ship this product in either its original packaging or packaging affording an equal degree of protection Proof of purchase in the form of a bill of sale or receipted invoice which is evidence that this product is within the warranty period must be presented to obtain warranty service This Warranty is invalid if a the factory applied serial number has been altered or removed from this product or b this product was not purchased from a Cambridge Audio a
13. ge Audio interconnects and Mordaunt Short Gale loudspeaker cables that will make a noticeable improvement to the sound quality of your system Now we invite you to sit back relax and enjoy i ue d wa Matthew Bramble Technical Director Cambridge Audio SAFETY PRECAUTIONS Checking the Power Supply Rating For your own safety please read the following instructions carefully before attempting to connect this unit to the mains Check that the rear of your unit indicates the correct supply voltage If your mains supply voltage is different consult your dealer This unit is designed to operate only on the supply voltage and type that is indicated on the rear panel of the unit Connecting to other power sources may damage the unit This equipment must be switched off when not in use and must not be used unless correctly earthed To reduce the risk of electric shock do not remove the unit s cover or back There are no user serviceable parts inside Refer servicing to qualified service personnel If the power cord is fitted with a moulded mains plug the unit must not be used if the plastic fuse carrier is not in place Should you lose the fuse carrier the correct part must be reordered from your Cambridge Audio dealer The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of un insulated dangerous voltage within the product s enclosure that may be of
14. ignal cable from a radio tuner to this pair of sockets These inputs are for analog audio signals only They should not be connected to the digital output of a CD player or any other digital device Pre outs Connect these sockets to the inputs on your P Series Power Amplifier s Please refer to the Connecting Diagrams for details Loudspeaker connections Connect the wires from your left channel loudspeaker to the LEFT amp terminals and likewise the wires from the right channel loudspeaker to the RIGHT amp terminals In each case the red terminal is the positive output and the black terminal is the negative input Care should be taken to ensure no stray strands of wire are shorting speaker outputs together Please ensure that the speaker terminals have been tightened adequately to provide a good electrical connection It is possible for the sound quality to be affected if the screw terminals are loose AC power socket Once you have completed all connections to the amplifier plug the AC Power Cable into an appropriate mains socket The amplifier is now ready for use P SERIES POWER AMPLIFIERS Input Output Connect either of these pairs of sockets to the PRE OUT sockets on your A Series where featured or C Series amplifiers The second set of sockets can be used to connect a further power amplifier Please refer to the Connecting Diagrams for details These sockets are wired in parallel so either can be used for input or ou
15. must then be disposed of safely as insertion into a 13 amp socket is likely to cause an electrical hazard Should it be necessary to fit a 3 pin BS mains plug to the power cord the wires should be fitted as shown in this diagram The colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug Connect them as follows The wire which is coloured BLUE must be E g Geer GREEN connected to the terminal which is marked ye LOW with the letter N or coloured BLACK FUSE The wire which is coloured BROWN must be connected to the terminal which is marked N with the letter L or coloured RED The wire which is coloured GREEN YELLOW must be connected to the terminal which is marked with the letter E or coloured GREEN If your model does not have an earth wire then disregard this instruction If a 13amp BS 1363 plug is used a 3amp fuse must be fitted or if any other type of plug is used a 3amp or 5amp fuse must be fitted either in the plug or adaptor or on the distribution board INSTALLATION Please take a moment to read these notes before installing your amplifier they will enable you to get the best performance and prolong the life of the product This unit should be installed on a sturdy level surface Due to stray magnetic fields turntables should not be located nearby due to interference
16. tput Loudspeaker connections Connect the wires from your left channel loudspeaker to the LEFT amp terminals and likewise the wires from the right channel loudspeaker to the RIGHT amp terminals In each case the red terminal is the positive output and the black terminal is the negative input Care should be taken to ensure no stray strands of wire are shorting speaker outputs together Please ensure that the speaker terminals have been tightened adequately to provide a good electrical connection It is possible for the sound quality to be affected if the screw terminals are loose AC power socket Once you have completed all connections to the amplifier plug the AC Power Cable into an appropriate mains socket The amplifier is now ready for use OPERATING INSTRUCTIONS Note Some features may not apply to all models Refer to the diagram on your accompanying Owners Certificate Power This control switches the mains power to the amplifier ON and OFF Bass amp Treble These controls allow subtle adjustments to the tonal balance of the sound In the central position these controls have no effect These controls only modify the sound through your loudspeakers and the PRE OUT sockets where featured they do not affect the signals sent through the TAPE OUT connections With a well produced CD and a good system the tone controls are unnecessary and can be switched out If the musical recording is of poor quality and or the
17. uthorised dealer You may call Cambridge Audio or your local country Cambridge Audio distributor to confirm that you have an unaltered serial number and or you purchased from a Cambridge Audio authorised dealer This Warranty does not cover cosmetic damage or damage due to acts of God accident misuse abuse negligence commercial use or modification of or to any part of the product This Warranty does not cover damage due to improper operation maintenance or installation or attempted repair by anyone other than Cambridge Audio or a 14 Cambridge Audio dealer or authorised service agent which is authorised to do Cambridge Audio warranty work Any unauthorised repairs will void this Warranty This Warranty does not cover products sold AS IS or WITH ALL FAULTS REPAIRS OR REPLACEMENTS AS PROVIDED UNDER THIS WARRANTY ARE THE EXCLUSIVE REMEDY OF THE CONSUMER CAMBRIDGE AUDIO SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY IN THIS PRODUCT EXCEPT TO THE EXTENT PROHIBITED BY LAW THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES WHATSOEVER INCLUDING BUT NOT LIMITED TO THE WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PRACTICAL PURPOSE Some countries and US states do not allow the exclusion or limitation of incidental or consequential damages or implied warranties so the above exclusions may not apply to you This Warranty gives you specific leg
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