Arcam A70 audio amplifier
Contents
1. of the power cable supplied with the unit into the socket POWER INLET in the back of the unit Make sure it is pushed in firmly Put the plug on the other end of the cable into your power supply socket and switch the socket on A70 E 4 Standby power For remote standby operation the amplifier s control power supply is kept powered up all the time the unit is connected to the mains supply The front panel power switch powers down all other circuitry Power consumption in this mode is less than 2 5W This means that even though the power switch is off it may be possible to hear a slight hum coming from the mains transformer inside the amplifier This is perfectly normal If the unit is to be left unused for an extended period we recommend that it is disconnected from the mains supply by switching it off at the wall socket or by disconnecting the power lead Connecting to other equipment The use of high quality interconnect cables to and from your amplifier is recommended to ensure the best sound quality Sockets marked L and R on your amplifier should only be connected to sockets marked L and R on other equipment All the line inputs have the same sensitivity and may be used with equipment other than that labelled if needed LINE OUT Q Connect this output to the audio inputs of any unit with a line level input e g tape deck etc TAPE RECORD OUT Connect these output sockets to the input sockets of your cassette deck2. 1 off 16 44 AV select 16 2 Speaker 2 on 16 45 Tuner select 16 3 Speaker 2 off 16 46 DVD select 16 4 tape select 16 5 Display control commands VER select 16 6 Command Decimal Code CD select 16 7 Display 16 59 Aux select 16 8 Volume control commands Note that the A70 also responds to code 20 53 the PLAY command for an Arcam CD player The A70 swiches Command Decimal Code automatically to CD input on receiving this command Mute 16 13 Volume up 16 16 Volume down 16 17 Guarantee Worldwide Guarantee This entitles you to have the unit repaired free of charge during the first two years after purchase at any authorised Arcam distributor provided that it was originally purchased from an authorised Arcam dealer or distributor The manufacturer can take no responsibility for defects arising from accident misuse abuse wear and tear neglect or through unauthorised adjustment and or repair neither can they accept responsibility for damage or loss occurring during transit to or from the person claiming under the guarantee The warranty covers Parts and labour costs for two years from the purchase date After two years you must pay for both parts and labour costs The warranty does not cover transportation costs at any time Claims under guarantee This equipment should be packed in the original packing and returned to the dealer from whom it was purchased or failing this directly to the Arcam distributor in the country of residence It s
3. in the same way as the source selectors on the front panel of your integrated amplifier NOTE Remember to install the two supplied AAA batteries before trying to use your remote control Do not place anything in front of the IR receiver on the left of the A70 or the remote control may not work Q OO 000C EES OG OO OM 910 AMPLIFIER Toggles the amplifier between standby mode and full power mode The power indicator light next to the power button on the front panel is red if the amplifier is in standby amber while the amplifier is powering up this only takes a few seconds and green when the amplifier is powered up SP1 and SP2 These buttons allow you to select and deselect the main SP1 and secondary SP2 sets of speakers attached to your amplifier see page 6 DISP display Cycles through the settings Bright Off and Dim Turning the display Off generally gives a slight improvement in sound quality Volume and mute Press to increase volume or to decrease the output volume of the amplifier Press 4 to mute the speaker connections and preamp outputs Both tape outputs and the headphone socket remain active Mute is disabled either by pressing 4 again or by adjusting the volume You can use the remote s volume control in conjunction with the SELECT button to adjust balance tone and amplifier settings CD con
4. precautions but for your own safety and to ensure that you do not damage the unit we strongly recommend that you read them Contents Safety guidelines E 2 Important safety instructions E 2 Safety COM pla CC snaa reae E E ERR E 2 Using this handboOOK ssssessssssssssssessssnsnnr E 3 Sally ee een ee E 3 Installation 4 Positioning the unit 4 Connecting to loudspeakers s src E 4 Connecting to a power SUPPIY sssssriresersrrsrrrrr ann E 4 Connecting to other equipment cece ee E 5 Using your A70 amplifier E 6 Front panel controls E 6 RECOROIN Ol nennen dee ee em y oa E 7 Setting up your A70 amplifier uuuuuunu 0 E 8 Using the remote CONtrOl s sssssesssssssesnnr E 9 CR 389 Remote Control eerren e E 9 Bi wiring and bi amping loudspeakers E 10 Before You Start sees sees ee e aE E E 10 Bi wiring your loudspeakers s e E 10 Bi amping your SYSt M sssrrssreressrsrerrrrr ere reee E 10 Service information Sound cuts out unexpectedly Technical specifications sssssssssssesssnns Remote control codes ssssssssssssssnsnnnnnnnn MEINES ceceronanaceeoscsecnnnnoeneeceeercnchonorecscne Worldwide Guarantee s2244244 sn en en een nn On line registration e se eneee eneee eee anne A70 E 3 Installation Positioning the unit Place your amplifier on a level firm surface Avoid placing the unit in direct
5. shown on the display e g TFC Selecting this input overrides the other source selectors If the current record out is set to then the previous selected source is shown on the display Pressing different source buttons on the front panel only changes the record output Tape mode can be exited by pressing TAPE again It is also possible to monitor a recording while it is being made provided your cassette deck is a 3 head type To do this press TAPE Switching this button in out allows an A B comparison between the source signal and the recorded signal A70 E 7 Setting up your A70 amplifier The A70 allows you to adjust listening settings to suit your taste and to customise various features of the amplifier to fit your system Use this diagram to help you navigate through the settings available The ENTER and SELECT buttons are represented in the diagram by the symbols E and respectively The Control knob is shown as Adjusting listening settings The default display mode is LLN where the Control knob is used to adjust sound level Press SELECT to enter edit mode and cycle through the other settings BALANCE VOL RES I F trims etc When a setting is selected press SELECT again and adjust it with the control knob Press ENTER to fix the change you have made and return to idle volume mode ARCAM A70 Switch on state a 72 dB FA Adjust ommo Adjust Balance pe RES REF RE
6. the remote control to allow signals to be received A70 E 6 Recording With the Arcam A70 it is possible to listen and to record from one source or to listen to one source while recording another The record signal is sent to the TAPE output sockets These sockets are suitable for use with almost any type of recorder cassette COR MD VCR reel to reel etc menu system Rotate the To record the currently selected source press th T button to enter t Control knob clockwise until the display shows I Press SELECT is displayed followed by the current setting Rotate the Control knob counter clockwise until is displayed After a few seconds the display reverts to showing the volume level and you are ready to record To listen to one source whilst recording another press the ton to enter the Rotate the Control knob clockwise until the display shows I Press SELECT s followed by the current setting for example 1 Rotate the Control knob until the desired source is displayed After a few seconds the display reverts to showing the volume level and you are ready to record The unit now sends the selected source Tuner in the example above to the TAPE OUT sockets while you listen to the same or an alternative source TAPE button operation To play back the recording from a cassette deck attached to the TAPE input press TAPE by a two letter abbreviation of the record out source is
7. usually labelled RECORD TAPE PLAY IN Connect these input sockets to the output sockets of your cassette deck usually labelled PLAY If you do not have a cassette deck you can use this input for other line level equipment such as a CD player tuner VCR etc but not a turntable DVD Connect this input to the audio outputs of a DVD player AV Connect this input to the audio outputs of audiovisual equipment such as a VCR laserdisc player satellite or Nicam tuner TUNER Connect this input to the audio outputs of your radio tuner CD Connect this input to the audio outputs of your CD player or DAC digital to analogue converter AUX Connect this input to the audio outputs of any unit with a line level output e g tape deck tuner etc PHONO Connect this input to the output of your record player This input provides RIAA equalization and is compatible with most high output moving magnet MM cartridges Phono earth terminal For connecting your turntable earth lead if fitted Note that this terminal must not be used as a Safety earth TRIG OUT and REMOTE IN 12V in and out Each socket accepts a 3 5mm Mono Jack with A 5 Signal Tip signal Sleeve ground The connections are intended for use in multi room installations TRIG OUT This output provides a 12V signal whenever the unit is switched on i e not off or Ground in standby This signal can be used to switch
8. HANDBOOK MANUEL HANDBUCH HANDLEI DING Arcam A70 amplifier Amplificateur Arcam A70 Arcam Verst rker A70 Arcam versterker A70 A70 Nederlands Safety guidelines A70 E 2 A A CAUTION ATTENTION to qualified service personnel WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture The lightning flash with an arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of 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 servicing instructions in the literature accompanying the product CAUTION In Canada and the USA to prevent electric shock match the wide blade of the plug to the wide slot in the socket and insert the plug fully into the socket RISK OF ELECTRIC RISQUE DE CHOC ELECTRIQUE SHOCK DO NOT OPEN NE PAS OUVRIR CAUTION To reduce the risk of electric shock do not remove cover or back No user serviceable parts inside Refer servicing Important safety instructions This product is designed and manufactured to meet strict quality and safety standards However you should be aware of the following installation and operation preca
9. S FINE RES STO O Adjust Vol Res lt CO TRM FA 8 e Q Adjust 1 P Trims 4 PROC AV FIXED Ivan proc mode E Adjust Proc Mode pe AV PHONO CD TUNER AUX DVO rec output E Adjust Rec Output 4 ONVOL OFF OHMOL Lae max om wol Adjust Max On Vol 4 HO RESET ZES RESET _O Adjust Reset ei A70 E 8 Balance Once selected use the Control knob to shift the balance between Left and Right channels Volume Resolution FES REF RES FINE or RES STD Fine and Standard represent different levels of volume control sensitivity The Reference setting gives absolute increments in 0 5dB steps Input Trims use the source select buttons and Control knob to set input trims for each source Input trims are used to compensate for variations in output levels of different source equipment Processor Mode This mode enables you to adjust the gain of the amplifier The amplifier can then be used to drive the front left and right speakers in a surround sound system when fed from a separate processor You can then control the volume of the entire system using the processor feeding the sound into the TAPE input Set the gain to match the amplifiers that drive your other loudspeakers Recording Output This allows you to select the source signal for recording A PROMO CO TUNER AUS or DUD Maximum On Volume Use the Control knob to adjus
10. an also switch the amplifier into standby mode with the remote control handset The light indicates the status of the amplifier A red light means the amplifier is in standby mode press the POWER STANDBY button on the remote control or the POWER button on the front panel to switch between standby and powered up modes When you switch your amplifier on the light glows amber for a few seconds during which time the speakers are disconnected The light changes to green when the amplifier is ready for use The light may flash if a fault has occurred the fault type is shown on the display You should unplug the amplifier and leave it for a few minutes before reconnecting If the fault cannot be cleared unplug your amplifier and contact your Arcam dealer Source selectors These buttons select the source connected to the corresponding input The input currently selected is indicated by text on the display AV OQO This input is similar to the other line level inputs on the amplifier and may be used with a VCR or a second recording unit e g cassette deck Control knob SELECT and ENTER O00 The control knob has two functions as a volume control to adjust the output of loudspeakers and headphones connected to the amplifier and of the pre amp output PRE OUT when used in conjunction with the SELECT and ENTER buttons to customise amplifier settings see page 8 Volume control settings It is important to realise that the posi
11. equire a wipe with a soft damp lint free cloth Do not use paint thinners or other chemical solvents for cleaning We do not advise the use of furniture cleaning sprays or polishes as they can cause indelible white marks if the unit is subsequently wiped with a damp cloth 9 Power sources Only connect the appliance to a power supply of the type described in the operating instructions or as marked on the appliance Warning This is a Class I device and must be earthed Warning The mains plug is used as the disconnect device from the mains supply and shall remain readily operable 10 Power cord protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords and plugs and the point where they exit from the appliance 11 Grounding Ensure that the grounding means of the appliance is not defeated 12 Power lines Locate any outdoor antenna aerial away from power lines 13 Non use periods If the unit has a stand by function a small amount of current will continue to flow into the equipment in this mode Unplug the power cord of the appliance from the outlet if left unused for a long period of time 14 Abnormal smell If an abnormal smell or smoke is detected from the appliance turn the power off immediately and unplug the unit from the wall outlet Contact your dealer immediately 15 Servicing You s
12. erminal links on the rear of your loudspeakers WARNING This step is essential or damage to your amplifier may result which is not covered under warranty 2 Connect the cables as shown in the diagram below ensuring correct polarity at all times Arcam A70 amplifier Bi wiring using one set of connections on amplifier Bi amping your system The performance of your system can be further enhanced over that achieved with bi wiring by extending the principle one stage further to include separate amplification for the low and high frequency drive units in each loudspeaker enclosure Connect the integrated amplifier to the high frequency HF terminals and connect the power amplifier to the low frequency LF terminals You will need Speakers with four input terminals each as with bi wiring these will be marked HF High Frequency and LF Low Frequency Two amplifiers one of these would be the A70 and the other an Arcam power amplifier e g P90 Loudspeaker cables two pairs of cables per loudspeaker or a suitably terminated cable set a loom probably prepared by your dealer and capable of being used for bi amping in one length Interconnect cables one pair of high quality interconnect cables How to set up a bi amped system 1 Remove the terminal links on the rear of your loudspeakers WARNING This step is essential or damage to your amplifier may result wh
13. f your amplifier marked R and the left speaker to the terminals marked L Connect your loudspeakers so that the red positive terminal on each loudspeaker is connected to the red positive terminal on the amplifier Your loudspeaker cables may be marked to show polarity negative and positive if not then the positive terminal can usually be identified by a ridge or coloured marking Now connect your loudspeakers black negative terminals to the black negative terminals on the amplifier Ensure that no stray strands of inner wires are allowed to touch another cable or the amplifier s casing This can cause a short circuit and damage your amplifier Connecting to a power supply Mains lead The appliance is normally supplied with a moulded mains plug already fitted to the lead If for any reason the plug needs to be removed it must be disposed of immediately and securely as it is a potential shock hazard when inserted into the mains socket Should you require a new mains lead contact your Arcam dealer Wrong plug Check that the plug supplied with the unit fits your supply and that your mains supply voltage agrees with the voltage setting 115V or 230V indicated on the rear panel of the unit before plugging in If your mains supply voltage or mains plug is different consult your Arcam dealer or Arcam Customer Support on 44 0 1223 203200 The product must be earthed Plugging in Push the plug IEC line socket
14. hould be sent carriage prepaid by a reputable carrier NOT by post No responsibility can be accepted for the unit whilst in transit to the dealer or distributor and customers are therefore advised to insure the unit against loss or damage whilst in transit For further details contact Arcam at Arcam Customer Support Department Pembroke Avenue Waterbeach CAMBRIDGE CB5 9QR England Telephone 44 0 1223 203200 Fax 44 0 1223 863384 Email support arcam co uk Problems Contact your dealer in the first instance as they are there to help you If your dealer is unable to answer any query regarding this or any other Arcam product please contact Arcam Customer Support on 44 0 1223 203200 or write to us at the above address and we will do our best to help you On line registration You can register your Arcam product on line at WWw arcam co uk A70 E 12
15. hould not attempt to service the appliance beyond that described in this handbook All other servicing should be referred to qualified service personnel 16 Damage requiring service The appliance should be serviced by qualified service personnel when A the power supply cord or the plug has been damaged or B objects have fallen or liquid has spilled into the appliance or C the appliance has been exposed to rain or D the appliance does not appear to operate normally or exhibits a marked change in performance or E the appliance has been dropped or the enclosure damaged 17 Speaker connections Any speakers must be connected to the A70 using Class 2 wire i e no connection to earth should be made Failure to observe this precaution may cause the unit to be damaged Safety compliance This product has been designed to meet the IEC 60065 international electrical safety standard Using this handbook This handbook has been designed to give you all the information you need to install connect set up and use the Arcam A70 amplifier The CR 389 remote control handset supplied with the A70 amplifier is also described Your amplifier may have been installed and set up by an authorised Arcam dealer In this case you may wish to go directly to the sections describing the use of this equipment Safety Safety guidelines are set out on the inside front cover of this handbook Many of these items are common sense
16. ich is not covered under warranty 2 Connect the cables as shown in the diagram below ensuring correct polarity at all times 3 Use the interconnect cables to connect the PRE OUT sockets of the A70 to the corresponding AUDIO IN sockets of the power amplifier Arcam A70 amplifier Righ speake Arcam P90 power amplifier Recommended bi amping configuration Service information Sound cuts out unexpectedly Before returning an amplifier for repair please check the following Heatsink protection If the temperature of the internal heatsink rises above a safe level a thermal cutout inside the amplifier operates the power indicator on the front panel flashes and the protection system temporarily removes power to the speakers The system resets after the heatsink has cooled down Note that because of the high output voltage from a CD player it is possible to drive the A70 at full power even though the volume is not set at maximum Transformer protection The transformer is separately protected against thermal overload damage which may occur in exceptional circumstances If the unit shuts down in this way there is no indicator warning on the front panel we recommend you disconnect the power supply and wait 30 minutes for the amplifier to completely cool Power on in the normal way and the A70 will work normally Amplifier does not switch back on The A70 and P90 amplifiers have a protectio
17. n mechanism which is activated if you switch the unit on immediately after turning it off If this mechanism activates wait 30 seconds before switching back on again Technical specifications Continuous power output per channel Both channels 82 20Hz 20kHz 50W Distortion 82 80 power 1kHz 0 005 Inputs Phono cartridge input sensitivity MM 2 7mV Line and tape inputs Nominal sensitivity 250mV Input impedance 22kQ Signal noise ratio CCIR 98dB Preamplifier outputs Nominal output level 545mV Output impedance lt 50Q General Power consumption maximum 450VA Dimensions W x D x H including feet 430 x 330 x 85mm Weight net 7 5kg Weight packed 9 5kg Supplied accessories mains lead E amp OE Continual improvement policy Arcam has a policy of continual improvement for its products This means that designs and specifications are subject to change without notice CR 389 remote control 2 x AAA batteries NOTE All specification values are typical unless otherwise stated A70 E 11 Remote control codes The following table gives the IR commands accepted by Menu navigation commands the A70 S Command Decimal Code Power commands Select 16 37 Command Decimal Code Enter 16 87 Power toggle 16 12 Power on 16 123 Speaker control commands Power off 16 124 Command Decimal Code s lecti d Speaker 1 toggle 16 35 ource selection commands Sela ae 16 39 Command Decimal Code Speaker 1 on 16 43 PHONO select 16 1 Speaker
18. on automatically power amplifiers or other equipment connected to the A70 as they will come on when the A70 is activated This is useful if the power amplifier is remote from the A70 or otherwise difficult to access If you are bi amping with a power amplifier and wish to power both units on or off simultaneously see page 10 REMOTE IN This allows remote control signals to be received by the A70 if the remote sensor is covered or otherwise not visible to the remote control An external sensor is used to receive 3 5mm Mono Jack the signals from the remote control which are then fed to the A70 into this input using a suitable cable Remote control signals acceptable to the A70 must be in modulated RC5 format with a voltage level of between 5V and 15V Note that in normal use there is no need to make any connections to these sockets If you would like to make use of these features please contact your dealer for more advice on how to make the connections and on what type of cable to use Pre power amplifier connections If you wish to use your A70 as a power amplifier please consult your Arcam dealer PRE OUT To use your amplifier as a pre amplifier connect the PRE OUT sockets to the input sockets of your power amplifier With a power amplifier of the correct gain e g an Arcam P90 power amplifier you can bi amplify bi amp suitable loudspeakers giving significant improvements in sound quality see page 10 The diffe
19. rent output types The distinction between PRE OUT LINE OUT and RECORD OUT output types is subtle but important PRE OUT This is the output that should be connected to your power amplifier The output level varies with the volume control LINE OUT This output is taken before the volume control i e the source being listened to is routed directly to this output If you wish this output may be connected to a recording device such as a cassette recorder Under no circumstances should this output be connected to a power amplifier RECORD OUT The output from the RECORD OUT connectors is dependent on the configuation of the amplifier Full instructions for this output are given on page 7 briefly if the amplifier is configured to REC SOURCE then this output will carry the same signal as the LINE OUT connection If the amplifier is configured so that you are recording a different source than the one you are listening to then the RECORD OUT connections will carry the source being recorded A70 E 5 Using your A70 amplifier ARCAM A70 AMPLIFIER PROCESSOR ENTER SELECT o0o oo Ww 9 99 909 CG PHONES vV TAPE PHONO cD TUNER AUX DVD POWER Ti Front panel controls This section describes how to operate your amplifier If you are installing the amplifier yourself you should first read the Installation section on page 4 POWER and power indicator light Switches the unit on and off You c
20. sunlight or near sources of heat or damp Ensure adequate ventilation Do not place the unit in an enclosed space such as a bookcase or cabinet as both of these will impede air flow through the ventilation slots Connecting to loudspeakers You can connect one or two pairs of loudspeakers to your amplifier Arcam A70 amplifier provided each pair is rated between 8 16Q If one or both pairs have an impedance of less than 8Q the combined load on the amplifier falls below 4Q and could cause an overload If so the overload protection circuit may engage and the amplifier will not work To connect one pair of loudspeakers use the SP1 terminals Caution Do not over tighten the loudspeaker terminals or use a wrench pliers etc as this could cause damage to the terminals which will not be covered under warranty speaker Wiring your loudspeakers SP1 and SP2 terminals Both sets of loudspeaker terminals can be muted by pressing the MUTE button on the remote control To switch SP1 and SP2 independently use the front panel switches see page 6 or the remote control see page 9 Your amplifier is fitted with industry standard loudspeaker terminals The terminal accepts spade terminals or bare wires To connect a spade terminal or bare wire unscrew the red or black part of the loudspeaker terminal first Insert the wire or spade terminal and screw it back up Connect the right speaker to the terminals on the back o
21. t the volume setting at switch on N L OFF indicates that the feature is not activated NlN L 1 or higher sets the volume at start up in dB Reset this restores all amplifier settings including input trims to their factory defaults Using the remote control CR 389 Remote Control The CR 389 remote control gives access to all functions available on the front panel of the A70 It also has controls to operate Arcam CD players AM FM tuners and DAB tuners The remote control transmits Philips RC 5 type codes TUNER These buttons are used to control tuner functions Note that the FM DAB lights indicate into which mode you are switching the remote control The lights only illuminate for five seconds to conserve battery power If neither light is illuminated this does not mean that the remote control is not working 4 V UP and DOWN These buttons do not apply to the A70 ENTER Performs the same function as the ENTER button on the front panel see page 6 SELECT Performs same function as the SELECT button on the front panel It allows you to use the remote s volume switch in the same way you use the control dial on the front panel to adjust various amplifier settings see page 8 Note that pressing corresponds to turning the Control knob clockwise to anticlockwise Source selection buttons TUNER FM DAB oo Power Standby a OOOE These operate
22. tion of the Control knob is not an accurate indication of the power delivered to your loudspeakers The amplifier often delivers its full power before the volume control reaches its maximum position particularly when listening to heavily recorded compact discs However the amplifier also has to be capable of giving full power output from much lower level sources such as tuners and cassette decks Using these sources the volume control setting may be much higher before distortion audible overload sets in To compensate for this the input levels of each source may be individually adjusted to avoid accidental overload see page 8 SP1 and SP2 These buttons allow you to select and deselect the main SP1 and secondary SP2 set of speakers attached to your amplifier The light above each button glows if the corresponding speakers are currently selected If both lights are out the amplifier will appear not to work as all speakers are switched off PHONES This socket accepts headphones with an impedance rating between 8Q and 2kQ fitted with a 1 4 inch stereo jack plug If you wish to listen on headphones only use the SP1 and SP2 buttons if necessary to mute the speakers The headphone socket is always active Remote control receiver The remote control s infrared receiver is positioned between the SP1 SP2 and PROCESSOR indicator lights on the left hand side of the front panel window Ensure the receiver is in a clear line of sight from
23. trols 00 oO ARCAM CR 389 These offer basic controls of Arcam CD players A70 E 9 Bi wiring and bi amping loudspeakers A70 E 10 Before you start WARNING Do not make any connections to your amplifier while it is switched on or connected to the mains supply Before switching on please check all connections thoroughly making sure bare wires or cables are not touching the amplifier chassis which could cause short circuits and you have connected positive to positive and negative to negative Always ensure that the volume control on your amplifier is set to minimum before starting these procedures Bi wiring your loudspeakers Bi wiring improves the sound of your system because it divides the high and low frequency signal currents into separate speaker cables This avoids signal distortions arising from the high and low frequency currents interacting with one another within a single cable as in conventionally wired systems You will need Speakers with four input terminals each these will be marked HF High Frequency and LF Low Frequency Loudspeaker cables two pairs of cables per loudspeaker which may be joined at the amplifier end if your amplifier has only one pair of output terminals per channel or a suitably terminated cable set a loom probably prepared by your dealer and capable of being used for bi amping in one length How to bi wire loudspeakers 1 Remove the t
24. utions 1 Take heed of warnings and instructions You should read all the safety and operating instructions before operating this appliance Retain this handbook for future reference and adhere to all warnings in the handbook or on the appliance 2 Water and moisture The presence of electricity near water can be dangerous Do not use the appliance near water for example nextto a bathtub washbowl kitchen sink in a wet basement or near a swimming pool etc 3 Object or liquid entry Take care that objects do not fall and liquids are not spilled into the enclosure through any openings Liquid filled objects such as vases should not be placed on the equipment 4 Ventilation Do not place the equipment on a bed sofa rug or similar soft surface or in an enclosed bookcase or cabinet since ventilation may be impeded The unit should be installed in a well ventilated area 5 Heat Locate the appliance away from naked flames or heat producing equipment such as radiators stoves or other appliances including other amplifiers that produce heat 6 Climate The appliance has been designed for use in moderate climates 7 Racks and stands Only use a rack or stand that is recommended for use with audio equipment If the equipment is on a portable rack it should be moved with great care to avoid overturning the combination 8 Cleaning Unplug the unit from the mains supply before cleaning The case should normally only r
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