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4420A

Operating Manual

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Summary of Contents for 4420A

Page 1: ...4420A Operating Manual ...

Page 2: ...ology provides scalable power audio and loudspeaker configuration supervision and calibration features via a standard CAT cable offering integrators unrivalled power flexibility cost effectiveness and simplicity of installation The 4420A has been designed for excellent sound quality and very long lifetime The enclosure is made of environmentally friendly recycled die cast aluminium 4420A is manufa...

Page 3: ...V installers to configure an almost unlimited number of rooms zones loudspeakers and audio channels and includes device discovery a versatile room acoustic equalisation tool set system organisation and status monitoring The 4420A contains an application programming interface API supporting control via third party hardware software or house automation The API enables integration to all house and ho...

Page 4: ...igure 2 Definition of the acoustic axis The two primary mounting points are on the rear side Use these for mounting brackets or the keyhole wall mount adapter They have metric M6 x 10 mm holes thread type is metric M6 thread depth is 10 mm Do not exceed the thread depth as this can result in failure of the thread The base of the loudspeaker carries a 3 8 in UNC threaded hole compatible with a cert...

Page 5: ...er Press the power switch to power up the loudspeaker To create a working system you will need IP switch with a PoE 802 3at output for the 4420A loudspeaker or an IP switch with no PoE support and a PoE power injector CAT 5 or higher category Ethernet cable with RJ45 connectors AES67 ST2110 or Dante audio over IP stream source For 4420A setup and configuration a computer running Macintosh OS X or ...

Page 6: ...d to the IP switch must enable each 4420A to run at full PoE power For 4 loudspeakers the power supply must support 4 x PoE power level Figure 5 4420A powered by an IP PoE power injector Example of powering the 4420A with a PoE power injector This method enables the use of standard non PoE IP switches Each power injector must support full PoE power level into the device ...

Page 7: ...peaks exceeding the incoming PoE power level the PoE standard limits the duration of the peaks PoE budget calculation The 4420A supports automatic negotiation with the IP switch or IP power injector to set the PoE power level However in some cases it may be necessary to set the PoE power level in the switch manually Table 1 PoE and PoE power levels Name Standard Power at switch Min power at 4420A ...

Page 8: ... ISS AUTOSTART The automatic power function ISS Intelligent Signal Sensing powers the loudspeaker automatically down when it is not in used and up when the use resumes ISS can be activated and adjusted with the Smart IP Manager software Powering down to standby happens after a set time when playback has ended Playback automatically resumes with an input signal exceeding the level configured using ...

Page 9: ...ch IP device ports should not be daisy chained to several IP devices Audio over IP requires the use of cable based LAN network Low latency uncompressed audio over IP streaming does not work over WLAN SETTING UP AUDIO STREAMS Audio stream setup is done by using Dante Controller software Download the software from https www audinate com products software dante controller An AES67 ST2110 audio stream...

Page 10: ...n Figure 8 The number of loudspeakers that can be on the same daisy chain is set by the capability of the source device analogue output The daisy chained loudspeakers appear electrically in parallel reducing the load impedance presented to the source device Typically 10 to 20 loudspeakers can be daisy chained on one balanced line Avoid connecting 4420A to the power amplifier outputs If this must b...

Page 11: ...IP Manager operating manual Zone settings A zone is a collection of loudspeakers working as a system The settings collectively applied to a selection of loudspeakers called the Zone includes mute zone level control settings profile selection Normally level is adjusted at the stream source In the Smart IP manager software the output level of the Zone or a complete system can be set by adjusting the...

Page 12: ...ivity to align this loudspeaker output level with other loudspeakers 20 parametric acoustic settings to compensate to room acoustic influences The acoustic measuring tool normally used by AV installers can be used to set these adjustments Careful listening with test recordings is also recommended For each parametric filter select the filter by clicking on the filter box icon Select the function fo...

Page 13: ...ut do not disconnect power supplied by the Ethernet cable until the reset process is complete Once the reset is complete the loudspeaker again becomes available and active on the Smart IP Manager software This typically takes less than one minute APPLICATION PROGRAMMING INTERFACE API 4420A Smart IP loudspeaker has a set of API commands that can be used to enable control of 4420A using a house auto...

Page 14: ... sufficient cooling Do not obstruct airflow around the loudspeaker The loudspeaker is not disconnected from the power supply unless the CAT cable is removed from the loudspeaker Powering down the speaker using the power switch does not disconnect power Ensure that mountings for example to walls or ceilings are able to carry the full weight of the loudspeaker in all circumstances the installations ...

Page 15: ...stortion at 85 dB SPL at 1 m on axis frequency range 50 200 Hz frequency range 200 Hz 3 0 5 Dispersion angle degrees horizontal 120 Dispersion angle degrees vertical 100 Bass driver 105 mm 4 in cone Treble driver 19 mm 3 4 in metal dome Weight 3 1 kg Height 226 mm 9 in Width 151 mm 6 in Depth 142 mm 5 2 3 in Maximum short term output level is limited by the PoE technology being used and the crest ...

Page 16: ...able filter parametric notch high frq shelve low frq shelve bass roll off bass tilt treble tilt User selectable filters parameter adjustment ranges for a notch filter gain Q value center frequency 20 2 dB 0 1 20 10 Hz 16 kHz Sensitivity adjustment range 60 0 dB Delay adjustment range 0 98 ms AMPLIFIER SECTION Bass amplifier output power short term 50W Treble amplifier output power short term 50W S...

Page 17: ...16 MEASUREMENTS Figure 11 Frequency responses on the horizontal plane Off axis angle indicated in degrees Figure 12 Horizontal directivity plot of the 4420A Colour bar indicates dB level ...

Page 18: ...17 Figure 13 Vertical directivity plots of the 4420A Colour bar indicates dB level Figure 14 Directivity index top and power response bottom ...

Page 19: ...18 Figure 15 System delay from the analogue signal input to the acoustic output For the audio over IP stream input additional delay may result from the audio over IP transport Figure 16 Phase response ...

Page 20: ... Genelec Denmark Danmarksvej 32D 8660 Skanderborg Denmark Phone 45 71 741 641 Email denmark genelec com In the USA Genelec Inc 7 Tech Circle Natick MA 01760 USA Phone 1 508 652 0900 Fax 1 508 652 0909 Email genelec usa genelec com In China Beijing Genelec Audio Co Ltd Room 101 Building B33 Universal Business Park No 10 Jiuxianquiao Road Chaoyang District Beijing 100015 China Phone 86 10 5823 2014 ...

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