Montarbo GRAVIS SERIES Spécifications télécharger pdf (Page 12)

passive loudspeaker system W17P

Connection to the input sockets.

• Use only loudspeaker cables (unscreened)

having suitable cross section (at least 2 x 1 mm

2

)

and quality. Do not twist or sharply bend the

cables and do not allow for knots to be formed,

because they may result in insulation damage.

• When using cables with jack plugs, make sure

of using a sturdy type, suitable for speaker use.

Do not use low quality connectors: they may

easily lead to short circuits or intermittent

contacts.

Parallel connection of two or more systems.

• Connect the second system to the rst one

using the second (free) socket. Both sockets

may be used for input or output.

Obviously, it is always possible, if needed, to

connect the power amplier to the rst speaker

system using the jack sockets, and the rst

speaker system to the second one using the

Speakon

®

sockets or vice-versa.

• PAY SPECIAL ATTENTION TO THE PARALLEL

IMPEDANCE:

if two systems are parallel connected, the

resulting load impedance for the amplier will

be 4Ω, a value that is within the allowed range

for all power ampliers and powered mixers

manufactured by Montarbo and by other

manufacturers.

For 3 parallel connected systems, the resulting

total impedance decreases to 2,7Ω, and for 4

system to 2Ω.

Some power ampliers and powered mixers

cannot operate reliably with these low values

of load impedance.

Always check the technical specications of your

amplier or powered mixer for the value of the

minimum load impedance.

Product care and maintenance:

• Do not expose the enclosure to heat sources

(lamps, lights, high power light sources,

radiators or other products that produce heat).

• Never expose the enclosure to direct sunlight,

excessive vibrations or mechanical shocks.

• Avoid operating and storing the enclosure

in damp or dusty places: this may lead to

malfunctions and premature degrading of

specications.

• 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.

• Always leave the protective grille mounted

on the enclosure.

• Take care of your connecting cables. Make sure

that they are not damaged, knotted or twisted.

• Do not force connectors and controls.

• Before performing any connection, make

certain that the power amplier or the powered

mixer are switched off.

Important !

12

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