Montarbo W28A Instruction Manual page 11

W28A
bi-amped, active loudspeaker system
Important !
Product care and maintenance:
• Do not expose the enclosure to heat sources (heaters or
other products that produce heat).
• Never expose the enclosure to direct sunlight, excessive
vibrations or mechanical shocks.
• Never operate and store the enclosure in damp or dusty
places: this will avoid malfunctions, premature degrading
of specifications.
• Avoid using the enclosure close to strong sources of
electromagnetic interferences (e.g. video monitors, high
power electrical cabling).
This may lead to degradation of audio quality.
• Care should be taken so that objects do not fall and liquid
are not spilled into the enclosure. In public event don't let
people, musicians, technicians or anyone put glasses, cups,
ashtrays or cigarettes on the enclosure.
• Use a soft brush or a jet of air to clean the enclosure.
Do not use alcohol, solvents or detergents.
• Do not remove the protective grid.
• Take care of your connector cables.
Make sure that they are not damaged, knotted or twisted.
• Do not force connectors and controls.
• Make sure the mains power switch is off ('0') before
starting any connection.
Hanging the speakers. Tips and warnings.
The W28A embodies on both cabinet sides a slide guide for
standard anchor ring to allow the loudspeaker suspension.
On its rear side, there are two recessed rings allowing tilt
adjustment.
☛ See 'installation examples' at page 18.
In order to guarantee a safe and secure installation,
observe the following guidelines:
1 - When hanging the speakers, use only means of
suspension (in accordance with the safety regulation
valid in the country of use) having a carrying capacity
rated and guaranteed by the manufacturer.
2 - Never depend on only one means of suspension
for hanging speakers (for example one chain); always
use at least two of them and make sure they are
sufficiently strong. So, if one fails the other will sustain
the load.
3 - Never hook a speaker to the one above. Each
speaker must be individually hooked to the supports.
4 - Always make sure that the truss structure intended
to support the speakers is sturdy enough to hold their
weight, even under stressful, adverse conditions.
Always consider the effect of additional loads (for
example, the wind in case of outdoor installations).
Connection to the mixer:
- If the mixer has XLR balanced outputs: use standard
balanced XLR connectors.
If the mixer has XLR unbalanced outputs, unless you are
-
using a Montarbo mixer, make sure that the XLR outputs
on the mixer are unbalanced to IEC 268 standard:
1 = GND, 2 = HOT, 3 = GND.
☛ See 'connectors' and 'connection example' at pages
16 and 17.
• Always use only heavy gauge, high quality SHIELDED cables
(signal cables).
• Always make sure that the mixer and the powered
enclosures are switched off before connecting them.
This shall to avoid annoying noises and signal peaks, which
can also be dangerous for the enclosures themselves.
Parallel connection of two or more systems:
• Always use only heavy gauge, high quality SHIELDED
cables (signal cables).
Connect the first W28A's LINK OUT to the second's LINK IN,
the second's LINK OUT to the third LINK IN, and so on.
☛ See 'connection example' at page 17.
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ENGLISH