d&b audiotechnik ALi60, ALi90 User Manual

ALi60/ALi90

A

Manual 1.1 en

General information

ALi60/ALi90 Manual

Version: 1.1 en, 10/2019, D2745.EN .01

Copyright © 2019 by d&b audiotechnik GmbH & Co. KG; all
rights reserved.

Keep this document with the product or in a safe place
so that it is available for future reference.

We recommend you to regularly 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-Straße 134, D-71522 Backnang, Germany
T [phone], F [phone]

Contents

1 Safety precautions.............................................................. 4

1.1 Information regarding the use of loudspeakers........................ 4

2 ALi60/ALi90 loudspeaker................................................ 5

2.1 Product description..................................................................... 5

2.2 Connections................................................................................ 6

2.3 Operation.................................................................................... 7

2.3.1 Controller settings.................................................................... 9

2.4 Dispersion characteristics......................................................... 10

2.5 Technical specifications............................................................ 11

3 Manufacturer's declarations......................................... 13

3.1 EU conformity of loudspeakers (CE symbol).......................... 13

3.1.1 WEEE Declaration (Disposal).............................................. 13

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1 Safety precautions

1.1 Information regarding the use of loudspeakers

Potential risk of personal injury

Never stand in the immediate vicinity of loudspeakers driven at a
high level. Professional loudspeaker systems are capable of
causing a sound pressure level detrimental to human health.
Seemingly non-critical sound levels (from approx. 95 dB SPL) can
cause hearing damage if people are exposed to it over a long
period.

In order to prevent accidents when deploying loudspeakers on the
ground or when flown, please take note of the following:

▪ When setting up the loudspeakers or loudspeaker stands, make

sure they are standing on a firm surface. If you place several
systems on top of one another, use straps to secure them
against movement.

▪ Only use accessories which have been tested and approved by

d&b for assembly and mobile deployment. Pay attention to the
correct application and maximum load capacity of the
accessories as detailed in our specific "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, and replace them when
necessary.

▪ Regularly check all load bearing bolts in the mounting devices.

Potential risk of material damage

Loudspeakers produce a static magnetic field even if they are not
connected or are not in use. Therefore make sure when erecting
and transporting loudspeakers that they are nowhere near
equipment and objects which may be impaired or damaged by an
external magnetic field. Generally speaking, a distance of 0.5 m
(1.5 ft) from magnetic data carriers (floppy disks, audio and video
tapes, bank cards, etc.) is sufficient; a distance of more than 1 m
(3 ft) may be necessary with computer and video monitors.

d&b ALi60/ALi90 Manual 1.1 en4

2 ALi60/ALi90 loudspeaker

ALi60/ALi90 loudspeaker

2.1 Product description

The ALi60 and ALi90 are augmented array loudspeakers for
medium scale sound reinforcement applications providing a 60°
and 90° horizontal dispersion respectively.

Both loudspeakers are passive 2-way designs. They house 2 x 10"
neodymium LF drivers, one 1.4" exit HF compression driver with a
3" diaphragm mounted to a dedicated wave shaping device and a
passive crossover network. The wave segments of each cabinet
couple without gaps and sum up coherently.

Splay angles between adjacent cabinets can be set in the range
from 20° to 40° in 5° increments resulting in a total coverage of
50° up to 70° for two cabinets, with a maximum total coverage of
150° per array.

All components are arranged symmetrically around the center axis
of the cabinet to produce a perfectly symmetrical dispersion
pattern. This setup allows for a smooth crossover design with a well
defined overlap of adjacent frequency bands resulting in a very
consistent and accurate horizontal dispersion.
Due to the bipolar 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
resistant black paint finish. The front of the loudspeaker cabinet is
protected by a rigid metal grill backed by an acoustically
transparent fabric.
Three M10 threaded inserts are incorporated in one side panel to
allow the secure attachment of a dedicated flying adapter.

A-Series rigging components

When the d&b Z5455 AL Flying frame is used, up to four
loudspeaker modules can be flown in vertical columns producing a
60° or 90° constant directivity dispersion pattern in the horizontal
plane.

ALi60 and ALi90 can also be deployed as a horizontal cluster of
maximum four cabinets using the d&b Z5456 AL Flying adapter.

The d&b Z5458 AL Base plate allows ground stack setups of up to
three TOP cabinets, either as pure TOP ground stacks or placed on
top of applicable d&b subwoofers, such as the Vi-SUB or Vi-GSUB.

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