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The 1/4" jacks are wired in parallel
allowing any one of the jacks to be used
as an input and the other as an output.
This allows "daisy chaining" of multiple
loudspeakers, eliminating the need for
several long, cumbersome runs of
speaker cable. The connections are as follows:
Polarity Phone Jack
Positive (+) Tip
Negative (-) Sleeve
Connect the amplifier to the loudspeaker with a
minimum 16 gauge wire when a length of no more than
100 feet is used. When multiple speakers are “daisy
chained” together or where longer cable runs are
encountered, use a larger gauge wire. Although no
harm or hazard will result, using too small a gauge of
wire may cause the sound quality and level to degrade.
1272X /1275X cabinets are covered in
a tough, black indoor/outdoor synthetic
carpet for long life and lasting good
looks. To clean the carpet covering,
simply vacuum away any smudges or
dirt. For stubborn stains, use a light
soapy solution or carpet shampoo with a brush. Avoid
spilling liquids on the input panel, grille and speakers.
The placement of any speaker can affect
its sound. Thus, there are several
considerations to review when placing
your 1272X /1275X monitor.
CAUTION! When operating with large amplifiers
(greater than 150 watts at 4 ohms) always set the
level control between the 3 o’clock and 5 o’clock
positions. Failure to do so may lead to overheating
and damage the level control.
1) When using stage monitor systems, the reduction
of feedback is probably the most important criteria.
The best way to reduce feedback is to use a CARDIOID
pattern microphone with it’s rear aimed at the
loudspeaker. Remember: Do not cover the side or
top slots of the microphone with your hands as this
could cause feedback.
2) Select a 30 or 60 degree angle based upon the
working distance that you will need. A 30 degree angle
is preferable for performers who require a greater
working distance from the monitor so that movement
about the stage is on axis with the monitor. A 60
degree angle is preferable for performers who have a
shorter working distance and who do not move around
the stage.
3) When larger movements are expected, 1272X
/1275X monitors may be used as side fill monitors so
that wide horizontal coverage can be provided. If used
in the side fill position, it may be advantageous to
elevate the speaker from the floor to keep it aimed at
the performer’s ear level.
The side fill position at about 10 to 15 feet from the
performer is particularly useful for drummers and
keyboard players. This allows program monitoring
while keeping the monitor clear of your equipment. In
the side fill position, the drummer’s / keyboardist’s
vocal microphone can be positioned to the side
allowing the rear of the microphone to face the front
of the monitor minimizing feedback.
1272X /1275X SPEAKER CONNECTIONS SETUP SUGGESTIONS
CARPET COVERING CARE