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12

Connection Cables

Take care of your cables, always holding them by the connectors and avoiding knots and twists when
coiling them: This gives the advantage of increasing their life and reliability.
Periodically check your cables. A great number of problems (faulty contacts, ground hum, discharges,
etc.) are caused entirely by using unsuitable or faulty cables.

Headphones

Unbalanced mono Balanced mono Insert

Compensation of interference with balanced connections

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Summary of Contents for MA-460

Page 1: ...MA 460 ORDERCODE D6148 Highlite International B V Vestastraat 2 6468 EX Kerkrade The Netherlands ...

Page 2: ...AP Audio for more excellent audio products We design and manufacture professional audio equipment for the entertainment industry New products are being launched regularly We work hard to keep you our customer satisfied For more information iwant dap audio info You can get some of the best quality best priced products on the market from DAP Audio So next time turn to DAP Audio for more great audio ...

Page 3: ...terminations 4 Return Procedure 5 Description of the device 6 Frontpanel 6 Backpanel 8 Operation 10 Installation 10 Set Up and Operation 10 Connecting Inputs 10 Connecting Outputs 10 Low impedance outputs 10 High impedance outputs 11 Connection Cables 12 Maintenance 13 Troubleshooting 13 Product Specifications 14 ...

Page 4: ...ler and do not use the system To maintain perfect condition and to ensure a safe operation it is absolutely necessary for the user to follow the safety instructions and warning notes written in this manual Please consider that damages caused by manual modifications to the system are not subject to warranty This system contains no user serviceable parts Refer servicing to qualified technicians only...

Page 5: ...ccur it is necessary to reduce the input signal level by using the INPUT control To emphasize a frequency range you don t necessarily have to move its respective control upward try lowering surrounding frequency ranges instead This way you avoid causing the next piece of equipment in your sound path to overdrive You also preserve valuable dynamic reserve headroom Avoid ground loops Always be sure ...

Page 6: ... method to use Note If you are given an RMA number please include the following information on a piece of paper inside the box 1 Your name 2 Your address 3 Your phone number 4 A brief description of the symptoms Claims The client has the obligation to check the delivered goods immediately upon delivery for any short comings and or visible defects or perform this check after our announcement that t...

Page 7: ...series Features 4 individual 60W outputs 5 Inputs with matrix functionality Bass Treble control on each channel Front line input 3 5mm Jack Pre amp zone outputs Telephone paging with volume zone control 4 8 Ohm 70 100V output Monitor output Priority on input 1 Limiter protection Features Frontpanel Fig 1 1 Channel bass control Use to adjust the Bass frequencies for each channel to your preference ...

Page 8: ...nnel mute button Pushing this button allows you to mute the corresponding channel If a channel is muted the corresponding mute 4 LED will light up 13 Monitor VU meter Indicates the signal level at the output of the corresponding zone If the red LED blinks frequently or lights continuously the output is likely to enter clipping If this happens we strongly suggest lowering the monitor level 15 contr...

Page 9: ...aker terminal Connect these terminal with the terminal of your zone speaker s 21 Zone 8Ω impedance speaker terminals Connect this terminal to the terminal of a 8Ω speakerload In case of using several speakers make sure that the total speaker load is the same as the impedance of the corresponding terminal The total power rating of the low impedance speakers connected to this terminal summed should ...

Page 10: ...as the impedance of the corresponding terminal The total power rating of the low impedance speakers connected to this terminal summed should be at least 60W 34 Zone 25V high impedance terminals Each zone has its own output terminal Connect this terminal to the terminal of your 25V high impedance speaker load In case of using several speakers make sure all speakers are wired in parallel The total p...

Page 11: ...t on 230V power or vice versa Before powering up the first time make sure the AC selector switch is set to the proper voltage Damage caused by connecting the amplifier to improper AC voltage is not covered by any warranty NOTE Always turn off and disconnect the amplifier from mains voltage before making audio connections Also as an extra precaution have the attenuators turned down during power up ...

Page 12: ...nce This to avoid overloading the amplifier The total speaker power should be at least the power of the amplifier to avoid damage to the speakers High impedance outputs If using either the 25V 70V or 100V outputs note that all speakers should be wired in parallel The total power of all speakers summed together should never exceed the total power of the amplifier in a high impedance 25V 70V or 100V...

Page 13: ...hem This gives the advantage of increasing their life and reliability Periodically check your cables A great number of problems faulty contacts ground hum discharges etc are caused entirely by using unsuitable or faulty cables Headphones Unbalanced mono Balanced mono Insert Compensation of interference with balanced connections ...

Page 14: ...ot operate properly unplug the device 2 Check power from the wall all cables connections etc 3 If all of the above appears to be O K plug the unit in again 4 If nothing happens after 30 seconds unplug the device 5 Return the device to your DAP Audio dealer Replacing a Fuse Power surges short circuit or inappropriate electrical power supply may cause a fuse to burn out If the fuse burns out the pro...

Page 15: ...ble gain RCA Input 5 Line with variable gain RCA Indication LEDs VU bar with clip indication each zone Tone control Bass 100 Hz treble 10 KHz 12dB Priority Input 1 terminal strip N O contact Monitor output 1W 8 Ohm Line terminal strip Tel paging zone By dipswitch back panel Main power supply 230V AC 50 60Hz Power consumption 481W Fuse 230V T3 15A 115V T6 3A Power connection IEC Dimensions 420 x 37...

Page 16: ...2013 DapAudio ...

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