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2.4 Dispersion characteristics
The graphs below show the horizontal and vertical dispersion

angles over frequency plotted using lines of equal sound pressure

(isobars) at –6 dB and –12 dB. The nominal horizontal dispersion

is maintained down to 550 Hz (AL60)/370 Hz (AL90).

AL60 horizontal isobars

AL60

horizontal setup

AL60 vertical isobars

AL90 horizontal isobars

AL90

horizontal setup

AL90 vertical isobars

d&b AL60/AL90 Manual 1.2 en

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Содержание AL90

Страница 1: ...A AL60 AL90 Manual 1 2 en ...

Страница 2: ...larly check the d b website for the latest version of this document When reselling this product hand over this document to the new owner If you supply d b products please draw the attention of your customers to this document Enclose the relevant documents with the systems If you require additional documents for this purpose you can order them from d b d b audiotechnik GmbH Co KG Eugen Adolff Str 1...

Страница 3: ... 2 Connections 6 2 3 Operation 6 2 3 1 Controller settings 8 2 4 Dispersion characteristics 9 2 5 Technical specifications 10 3 Manufacturer s declarations 12 3 1 EU conformity of loudspeakers CE symbol 12 3 2 WEEE Declaration Disposal 12 Contents d b AL60 AL90 Manual 1 2 en 3 ...

Страница 4: ...cific Mounting instructions or in our Flying system and Rigging manuals Ensure that all additional hardware fixings and fasteners used for installation or mobile deployment are of an appropriate size and load safety factor Pay attention to the manufacturers instructions and to the relevant safety guidelines Regularly check the loudspeaker housings and accessories for visible signs of wear and tear...

Страница 5: ... arrangement of the LF drivers broadband horizontal directivity control of 60 90 is maintained down to 550 Hz 370 Hz respectively The frequency response extends from 60 Hz to 18 kHz The cabinets are constructed from marine plywood with an impact and weather protected PCP Polyurea Cabinet Protection finish The front of the loudspeaker cabinet is protected by a rigid metal grill backed by an acousti...

Страница 6: ...tion enables the amplifier to electrically compensate for the properties of the loudspeaker cable used without the need for an additional sense wire For applicable loudspeakers LoadMatch is therefore independent of the connector type used 2 3 Operation NOTICE Only operate d b loudspeakers with a correctly configured d b amplifier otherwise there is a risk of damaging the loudspeaker components App...

Страница 7: ...ed for the inner one or two cabinets Two loudspeakers of the same type AL60 or AL90 can be linked and then be driven by one amplifier channel Note Mixed A Series array A mixed deployment of different A Series loudspeakers within the same array is only recommended for vertical arrays and when ArrayProcessing is used This is due to the differing crossover functions between AL60 and AL90 that would o...

Страница 8: ...etween 0 and 9 Positive CPL values create an adjustable low frequency boost 0 to 5 dB at around 65 Hz and can be set when the system is used in full range mode without subwoofers HFC function Selecting the HFC High Frequency Compensation function compensates for loss of high frequency energy due to absorption in air when loudspeakers are used to cover far field listening positions The HFC function...

Страница 9: ...plotted using lines of equal sound pressure isobars at 6 dB and 12 dB The nominal horizontal dispersion is maintained down to 550 Hz AL60 370 Hz AL90 AL60 horizontal isobars AL60 horizontal setup AL60 vertical isobars AL90 horizontal isobars AL90 horizontal setup AL90 vertical isobars d b AL60 AL90 Manual 1 2 en 9 ...

Страница 10: ...s Power handling capacity RMS peak 10 ms 400 1800 W Nominal dispersion angle h x v horizontal setup AL60 60 x 30 Nominal dispersion angle h x v horizontal setup AL90 90 x 30 Components 2 x 10 LF driver with neodymium magnet 1 x 1 4 exit compression driver with 3 coil Passive crossover network Connections NLT4 F M optional 2 x NL4 M Pin assignment NLT4 F M and NL4 M 1 1 Weight 23 kg 51 lb AL60 freq...

Страница 11: ...AL60 AL90 cabinet dimensions in mm inch d b AL60 AL90 Manual 1 2 en 11 ...

Страница 12: ...tive EC directives including all applicable amendments A detailed declaration is available on request and can be ordered from d b or downloaded from the d b website at www dbaudio com 3 2 WEEE Declaration Disposal Electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime Please dispose of this product according to the respective nat...

Страница 13: ...D2744 EN 01 03 2021 d b audiotechnik GmbH Co KG www dbaudio com ...

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