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MANUAL

MA246/R/MR

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Содержание MA246

Страница 1: ...INFO APART AUDIO COM MANUAL MA246 R MR ...

Страница 2: ...ep the amplifier powered when mains power is interrupted Mic input 1 is optimized to be used with our MICPAT 6 a selective paging station 6 zone microphone This mic is the master mic Maximum 5 of these mics can be switched in parallel on this single input Mic input 2 4 are designed to be used with our MICPAT 2 2 zone groups microphone or any other microphone denpending on the application On the MA...

Страница 3: ...ad The lower green LED will light to indicate that power is present The signal led indicates that a strong signal is sent to the power amp To work within normal conditions the volume indicator should be kept under 0dB 100 At 2 5dB a limiter will be activated This red LED indicates that the auto gain circuit keeps the level below clipping This is NOT a clip indicator but an indication of the automa...

Страница 4: ...he amplifier Minimum total speaker impedance all zones combined is calcu lated like this 100 V x 100 V 240 W 41 66 ohms Please note that impedance can NOT be measured with a normal multimeter you need a special impedance meter or 100 volt line wattmeter for this purpose In case you need more speakers and or more power use an external power amplifier for this purpose The MA246 has a separate preamp...

Страница 5: ... 3 is a 100 volt speaker line output compatible with 100 volt speaker lines Com speaker ground 100 V speaker plus connection 5 Loudspeaker output connector zone 2 zone 2 is a 100 volt speaker line output compatible with 100 volt speaker lines Com speaker ground 100 V speaker plus connection 6 Zone 1 balanced line level output this is the line level output for zone 1 Connect your optional external ...

Страница 6: ... cable zone 4 pin 4 Blue white cable zone 5 pin 5 Green cable zone 6 pin 6 Brown white cable GND pin 7 Brown cable 24V pin 8 13 Mic 1 level tone adjustment adjust the mic 1 level and tone here For use with MICPAT 6 set the mic line push button to the line position 14 Mic line 2 this mic has lower priority than mic 1 details see below 15 Mic line 3 this mic has lower priority than mic 2 details see...

Страница 7: ...the line level signal for the external paging amp is present on this balanced euroblock 24 Paging mode switch When pushed in you can use an external paging amp The external amp takes care of the paging messages When not pushed in all signals are amplified by the MA246 internal amp only 25 Power amp in pre out here you can connect an external signal processor e g an equalizer In all other cases lea...

Страница 8: ...lock This connector accepts balanced and unbalanced mic line signals For use with unbalanced mics or line level signals connect the source GND to both GND and connect the unbalanced hot wire to This can be usefull when connecting the receiver output from a wireless microphone Connection example using an unbalanced source Alternatively you can connect the unbalanced signal ground to the connector a...

Страница 9: ...nect the RJ45 plug to the selective paging station RJ45 connector The second wire the one with the blank leads must be connected to the SGL in put euroblock screen black to GND blue to brown to The MIC1 level can be set using the controls on the rear only You can connect up to 5 pcs MICPAT 6 units to this input Use one or more RJ45 split units to connect the RJ45 connectors from the mics to the RJ...

Страница 10: ...room Another possibility is to use the PA240P as paging amp and use the PA2240P in bridge mode in zone 1 this offers you 480 watts in zone 1 The benefits are clear less wiring easy installation flexible routing possibility to have zones with extremely high power demands controlled by one central unit the MA246 Zone connection examples Zone 1 production facility and parking area independent source ...

Страница 11: ...no yes yes selective paging yes yes yes yes selective paging with out background music interuption no yes no yes Selective paging without any BGM in any zone is possible using the MA246 R MR only however in this case you will have to turn the zone 2 to 6 front volume control to the off position In case a zone is being paged the MA246 R MR will bypass the volume control causing the paging message t...

Страница 12: ...WWW APART AUDIO COM 12 ...

Страница 13: ...e front panel you will find a digital tuner Operation of the tuner will be explained later Difference in MA246R rear panel layout Aux 4 mono input 26 has been replaced by a rec out output bus Antenna connector 34 for AM wire antenna and FM antenna coax connector Please note that you must use a HF ground isolation transformer when connecting the FM antenna input to an active antenna or cable networ...

Страница 14: ...tuner and the CD MP3 player Operation of the tuner and CD MP3 player will be explained later Difference in MA246MR rear panel layout Aux 3 4 mono input 26 have been replaced by a rec out and tuner output bus Antenna connector 34 for AM wire antenna and FM antenna coax connector Please note that you must use a HF ground isolation transformer when connecting the FM antenna input to an active antenna...

Страница 15: ... during the memory scan 6 Save button press this button followed by a numeric button 1 to 5 5 to store a preset in the internal memory E g you want to store the currently selected station in memory location number 1 press the save button followed by the numeric 1 button If you want to save in locations 6 to 10 press the save button first then the 5 button followed by a numeric button 1 to 5 preset...

Страница 16: ...kward in the track currently playing 8 Track press once short to select the next track keep pushing to search forward in the track currently playing 9 USB slot insert your USB memory stick here Please note that an external USB hard disk may not work on these slots File system recognized is FAT32 maximum memory size is up to 32 gigabytes Some USB sticks don t allow direct memory access These will n...

Страница 17: ...s again to unmute 15 Play pauze press to start playback press again to pauze playback 16 Stop eject press to stop playback or to eject the CD media if present 17 Power button press to power on or off the CD MP3 player By default the CD MP3 unit must be powered on manually after powering on the MA246MR unit Note the CD player will play normal audio CD s and CDR s containing PCM audio files or wav f...

Страница 18: ...kg 14 4 kg Shipping weight MA246 MA246R MA246MR Dimensions 430 w x 88 h x 360 d 2 HE 19 brackets included Shipping dimensions pera ng temperature and humidity 10 to 45 C up to 90 RH non condensing OUTPUTS Zone 1 Line level output balanced 0 dB on euroblock connector Zone 2 6 100V outputs zone 5 and 6 are limited to 70V compa ble with 100V speakersk MAX240 wa4 total power in 100V 180 wa4 max in 1 z...

Страница 19: ...t Audio warrants this product to be free of defects in material and workmanship for a period of one year for parts and for a period of one year for labor from the date of original end user purchase This warranty is valid only for the original end user and cannot be transferred During the warranty period APart Audio or one of its authorized service partners shall either repair or replace any produc...

Страница 20: ...the unit Do not use the unit if the electrical power cord is frayed or broken Have gain controls on amplifiers turned down during power up to prevent speaker damage if there are high signal levels at the inputs Do not connect the inputs outputs of amplifiers or consoles to any other voltage source such as a battery mains source or power supply regardless of whether the amplifier or console is turn...

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