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Introduction
The WideLine loudspeaker system has been designed to pro-
vide a compact system that has similar power handling, fre-
quency response, and coverage of larger systems. Its primary
uses include ballrooms, theatres, night clubs, houses of wor-
ship, and small to medium size events for the corporate/indus-
trial market.
The WideLine system is suitable for stand alone applications
as a full range, articulate, high fidelity, sound reinforcement
product with the ability to reproduce almost any musical pro-
gram without subwoofers or bass modules. It has bass
response to 52 Hertz (-3 dB) in a small format package. Its 3-
way, biamp or triamp design keeps required amplification to a
minimum.
WideLine’s exceptionally wide dispersion practically elimi-
nates the need for “side” or “fill” hangs when used as the
main array. Its wide dispersion also provides enhanced cover-
age when used as a center cluster or as a downfill or under-
hang enclosure when used with larger format line array
systems.
Wide dispersion is accomplished with a 3” (76mm) diaphragm,
1.4” (36mm) exit neodymium high-frequency driver mounted
on a proprietary, patent-pending multiple aperture diffraction-
slot waveguide. This device is the ideal linear source needed
for line array performance.
Internal, mid-frequency shading can be switched to either 10”
(254mm) transducer. Both transducers handle the low-frequen-
cies, but only the non-shaded transducer handles the mids.
This provides smoother pattern control at the mid-high cross-
over. With selectable shading, the enclosures can be used as
house right or left by flipping the switch, not the enclosure.
The enclosure is constructed of lightweight cored-composite
and weighs only 70lbs. (31.8kg), including the self-contained
rigging hardware. The hardware allows for simple vertical
splay angle adjustment of 0, 2, 3, 4, 5, 6, 7, 8, 9, and 10°
between enclosures. Two array grids are available. The small
array frame supports up to 8 enclosures flown or 4 enclosures
stacked. The large array frame supports up to 24 enclosures
flown or 12 enclosures stacked.
WideLine users can also use a software tool called EASE
Focus to aid in the design and implementation of a WideLine
array. EASE Focus can calculate the number of enclosures
required for a given space (venue), determine the optimum
splay angle between those enclosures, calculate at what
angle to set the array grid in a single (variable) pick-point or
fixed suspension point application, and predict the acoustical
response and sound pressure levels throughout the venue in a
two-dimensional illustration. The software is available sepa-
rately; downloadable from the QSC website or contact QSC for
more information.
Like all ISIS products, WideLine design focuses on accurate
audio performance, rapid set-up, and reduced labor requir-
ments. Ease of transportation, assembly, use, and self-con-
tained rigging hardware make WideLine the clear choice.
Combined with the ISIS 82H, 102M, 102W, 122M, 152M,
215PCM, and 215SB, the WideLine array system provides the
most comprehensive toolbox for any sound reinforcement pro-
fessional.
FRONT (grille removed)
1- Receiver tube (front left and right)
with captive articulated joint (inside
receiver tube) and ball-lock pins
2- Low frequency transducer B
3- High frequency transducer aper-
ture
4- Low frequency transducer A
REAR
5- Input / output connectors (NL8)
6- Rear link, mounting block, and
ball-lock pin
7- Three way / two way selector
switch
8- Low frequency (shading) selector
switch