PARK AUDIO df1404 mkII User Manual Download

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OWNER'S MANUAL

FOUR-CHANNEL

PROFESSIONAL POWER AMPLIFIER

DF - series

DF1404

MkII

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Summary of Contents for df1404 mkII

Page 1: ...OWNER S MANUAL FOUR CHANNEL PROFESSIONAL POWER AMPLIFIER DF series DF1404MkII...

Page 2: ...ACCESSORIES 1 Power cord 2 Owner s Manual 3 Warranty...

Page 3: ...pairs of channels bridged To ensure the most advantageous and faultless operation of the amplifier please read this Manual before use UNPACKING Themanufacturer s qualitycontrol systemprovidesfor care...

Page 4: ...nit in operation CAUTION Thehighsoundpressurelevelofspeakersystemsgeneratedbyhighoutput powerdeliveredbytheamplifiermaybehazardoustoyourhearing Please takeadequate safety precautions WARNING The ampli...

Page 5: ...this digital power amplifier is designed according to Class D technology to deliver high efficiency and least heat The high switching rate ensures the high sound quality comparable with the best anal...

Page 6: ...r frequency point is factory preset generally to 150Hz However it can be changed by replacing the crossover PCB If you need to change the setting please consult our local dealer or the manufacturer s...

Page 7: ...ct in the input cable connectors or being transmitted to the amplifier s input by any other device such as a crossover or mixing console the protection system activates the built in optoelectronic Cli...

Page 8: ...nels gradually regain their amplification level up to the set value Soft Signal Start During the power on process this feature ensures smooth gain from zero to the maximum level to provide for a smoot...

Page 9: ...IDGE MODE Power amplifier Limiter Power amplifier Limiter 45Hz 1 2 2 OUTPUT OUTPUT 1 HF LF TOP THRU SUB CROSSOVER CH 3 INPUT ON OFF HI PASS FILTER 45 Hz 45Hz 125Hz 125Hz HF LF TOP THRU SUB CROSSOVER C...

Page 10: ...EDs for Channels 1 2 3 and 4 respectively They indicate overload condition causing distortion and activation of the optoelectronic Clip limiter of the respective channel activation of thermal protecti...

Page 11: ...urces BRIDGE Channels 3 and 4 drive a common load from a single input signal source MODE switch for Channels 1 and 2 MONO Channels 1 and 2 drive two loads from a single input signal source STEREO Chan...

Page 12: ...l1outputconnectorisinterlinkedwithChannel2output while Channel3outputconnectorwithChannel4output thusmakingitpossibletouse a single NL4FC connector wired accordingly to connect Channel 1 and 2 loudspe...

Page 13: ...d possible fire hazard Since the power applied to the loudspeaker is of primary concern in system design we have included the table below to allow you determine the appropriate wire gauge for yourappl...

Page 14: ...nductor grounded AC power cord and should be plugged into a standard 3 wire grounded electrical outlet which supplies 230VAC 50 60Hz In the event of line voltage sag the unit will continue to operate...

Page 15: ...e cable use SPEAKON NL4FC See the wiring on the figures below CAUTION Never attempt to jumper or otherwise link up any pins of output connectors 2 1 3 XLRmale Shield Ground Cold Hot XLR female 2 1 3 S...

Page 16: ...ch of each individual channel to the required position Generally it is recommended to set the input HI PASS FILTER switches to 45Hz However when it is necessary to obtain a linear frequency response t...

Page 17: ...ndividual channel to the required position Generally it is recommended to set the input HI PASS FILTER switches to 45Hz However when it is necessary to obtain a linear frequency response to drive full...

Page 18: ...rossover switches of Channels 2 and 4 may be in any position Generally itisrecommendedtosettheinputHIPASSFILTERswitchesto45Hz in thiscaseonlyswitchesforChannels1and3areinvolved However whenitisnecessa...

Page 19: ...4 to the required position the crossover switch of Channel 2 may be in any position Generally itisrecommendedtosettheinputHIPASSFILTERswitchesto45Hz in thiscaseonlyswitchesforChannel1 3and4areinvolve...

Page 20: ...4 to the required position the crossover switch of Channel 2 may be in any position Generally itisrecommendedtosettheinputHIPASSFILTERswitchesto45Hz in thiscaseonlyswitchesforChannel1 3and4areinvolve...

Page 21: ...sink temperature has exceeded 65 thus activating the thermal protection system Sound Distortion Only SIGNAL LED is ON applied input signal is distorted before it gets to the amplifier loudspeakers are...

Page 22: ...8 Ohms Channel Separation 60dB 1kHz Signal to Noise Ratio 98dB unweighted Input Impedance 10kOhms balanced Sensitivity 0 775V Crossover Frequency 125Hz basic model High pass Filter Cutoff Frequency 45...

Page 23: ...21 445 max 482 466 76 88 96 38 324 362 DIMENSIONS...

Page 24: ...Printed in Ukraine PARK AUDIO II Ltd Vinnytsia Ukraine www parkaudio2 com e mail park parkaudio2 com...

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