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DSA-250

ORDERCODE D4101

Highlite International B.V.

Vestastraat 2

6468 EX Kerkrade

The Netherlands

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Summary of Contents for DSA-250

Page 1: ...DSA 250 ORDERCODE D4101 Highlite International B V Vestastraat 2 6468 EX Kerkrade The Netherlands ...

Page 2: ...eed You can rely on DAP 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 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 equipment Always get ...

Page 3: ...ions 2 Operating determinations 3 Return procedure 4 Claims 4 Description 5 Features 5 Overview Front panel 6 Overview Back panel 7 Operation 8 Mode selection 9 Connection cables 11 Maintenance 12 Replacing a fuse 12 Troubleshooting 12 Product Specifications 13 Block diagram 14 Wire gauge charts 15 ...

Page 4: ...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 IMPORTANT The manufacturer will not accept liability for any resulting damages caused by t...

Page 5: ...e at 0dB position Sometimes when you want to send one signal to more than one amplifier you should use a signal distributor If your Dap Audio device fails to work properly discontinue use immediately Pack the unit securely preferably in the original packing material and return it to your Dap Audio dealer for service Allow time to cool down before cleaning or servicing For replacement use fuses of ...

Page 6: ...hod 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 the g...

Page 7: ...ve clip limiting IMG impedance sensing Auto ramp protection Thermal protection Short circuit protection DC voltage protection Subsonic protection Switchable high low bypass filter 120Hz Crosstalk 20Hz 20KHz 8 Ohm 60dB Frequency response 20Hz 20KHz Sensitivity 8 Ohm stereo 1KHz 1V S N Ratio 95 dB Damping Factor 300 Slewrate 40V uSec Total Harmonic distortion THD 0 1 Mode Stereo Parallel Bridge Cool...

Page 8: ... modes See the specifications at the end of this manual for standard voltage gain and input sensitivity information When operating the amplifier in bridged mode both attenuators must be in the same position so the speaker load will be equally shared between the channels 4 Protect LED Indicates that the channel is in Protect mode speakers disconnected by output relay 5 Clip LED Illuminates at the c...

Page 9: ...s in level 12 Filter 120Hz select switch High pass Low pass By pass 13 Mode Selection DIP switch This DIP switch configures the amplifier for Stereo Parallel or Bridged Mono Mode operation Amplifiers are factory configured for Stereo Mode 14 Grounding selector To eliminate groundloops put the selector in OFF position 15 Lighting Switch To switch the lighting on the front panel ON or OFF 16 Output ...

Page 10: ...speed DC fans are controlled by heat sink temperature sensing circuits When the amplifier Is turned on the fans briefly rev up then slow to an Idle this Indicates that the temperature sensing circuits are operating normally The fan speed Increases only as required by heat sink temperatures keeping fan noise to a minimum Under extreme thermal load the fans will force a very large volume of air thro...

Page 11: ... doubling the power over that of either channel alone Signal is applied to the Channel A input only Both attenuators are used to control signal level in addition both must be adjusted to the same setting Only channel A 1 4 TRS or XLR input may be used NOTE The channel B Input connectors XLR and or TRS maybe used to loop thru the channel A signal When in parallel or bridged mono mode Use extreme ca...

Page 12: ...10 ...

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: ...ewdriver to the left at the same time gently push a bit Turn and Push The fuse will come out 3 Remove the broken fuse If brown or unclear it is burned out 4 Insert the replacement fuse into the holder where the old fuse was Reinsert the fuse cover Be sure to use a fuse of the same type and specification See the product specification label for details Troubleshooting DAP Audio DSA series Amplifiers...

Page 15: ...power 1V for rated power 1V for rated power Input Impedance 20KΩ balanced 10KΩ unbalanced 20KΩ balanced 10KΩ unbalanced 20KΩ balanced 10KΩ unbalanced 20KΩ balanced 10KΩ unbalanced Hum and Noise 95dB 95dB 95dB 95dB Crosstalk 60dB 60dB 60dB 60dB Class B B B B Input Connectors per channel Female XLR pin 2 TRS Combo tip Output connectors per channel Speakon connectors Power Supply 230 V 50 60 Hz Max C...

Page 16: ...14 DSA Block Diagram ...

Page 17: ... 16 2 3 4 5 1 5 0 58 1 16 2 3 2 5 0 35 0 7 1 39 4 0 22 0 44 0 87 5 0 5 4 3 8 2 15 5 0 75 2 9 5 6 10 8 1 5 1 45 2 9 5 6 2 5 0 87 1 74 3 4 4 0 55 1 09 2 2 6 0 37 0 73 1 45 10 0 5 8 24 15 5 28 0 75 5 6 10 8 19 9 1 5 2 9 5 6 10 8 2 5 1 74 2 9 6 7 4 1 09 1 74 4 3 6 0 73 1 09 2 9 30 0 75 15 5 0 73 45 1 5 8 2 15 5 28 2 5 5 1 9 8 18 2 4 3 2 6 3 12 6 2 2 4 3 8 2 10 1 31 2 6 5 1 ...

Page 18: ...d 2 ohm load 5 18 0 81 1 61 3 2 16 0 51 1 02 2 14 0 32 0 64 1 28 12 0 2 0 4 0 8 10 0 128 0 25 0 51 10 18 1 61 3 2 6 2 16 1 02 2 4 14 0 64 1 28 2 5 12 0 4 0 8 1 6 10 0 25 0 51 1 01 40 18 6 2 11 9 22 16 4 7 7 14 6 14 2 5 5 9 6 12 1 6 3 2 6 2 10 1 01 2 4 8 0 6 1 2 2 4 80 18 11 9 22 37 16 7 7 14 6 26 14 5 9 6 17 8 12 3 2 6 2 11 8 10 2 4 7 7 ...

Page 19: ...2011 Dap Audio ...

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