4
may b biamplifi d. Tw lv 3/8" x 16
thr ad d mounting susp nsion points
(3 ach top and bottom and 2 ach
sid s and back) allow a vari ty of
susp nsion configurations. Multipl
units may b mount d to form a
v rtical/horizontal array [s
limitations und r mounting
instructions]. Both v rsions of th ILS
1594 ar solidly construct d of 3/4"
void-fr , poplar plywood and finish d
with an xt rior grad hard n d black
paint.
Frequency Response
This m asur m nt is us ful in
d t rmining how accurat ly a giv n
unit r produc s an input signal. Th
fr qu ncy r spons of th ILS 1594 is
m asur d at a distanc of 1 m t r
using a 1 Watt (into th nominal
imp danc ) sw pt-sin input signal.
As shown in figur 1, th s l ct d
driv rs in th ILS 1594 combin to
giv a smooth fr qu ncy r spons
from 52 Hz - 20 kHz.
Directivity
B amwidth is d riv d from th -6 dB
points from th polar plots (s figur
3) which ar m asur d in a whol
spac an choic nvironm nt. Q and
Dir ctivity Ind x ar plott d for th on-
axis m asur m nt position. Th s ar
sp cifications that provid a r f r nc
to th cov rag charact ristics of th
unit. Th s param t rs provid insight
for prop r plac m nt and installation
in th chos n nvironm nt. Th
bl nding of th compon nts of th ILS
1594 xhibit a d sirabl b amwidth
and dir ctivity (figur 3 & 4) suitabl
for sound r inforc m nt applications.
Power Handling
Th r ar many diff r nt approach s
to pow r handling ratings. P av y
rat s this loudsp ak r syst m's pow r
handling using a full-rang form of th
AES Standard 2-1984. Using audio
band 20 Hz to 20 kHz pink nois with
p aks of four tim s th RMS l v l,
this str nuous t st signal assur s th
us r that v ry portion of this syst m
can withstand today's high t chnology
music. This rating is conting nt upon
having a minimum of 3 dB of amplifi r
h adroom availabl .
Harmonic Distortion
S cond and third harmonic distortions
vs. fr qu ncy ar plott d in figur s 5
& 6 for two pow r l v ls. (T n p rc nt
(10%) of rat d input pow r and ith r
on p rc nt (1%) of rat d input pow r
or on Watt, which v r is gr at r)
Distortion is r ad from th graph as
th diff r nc b tw n th
fundam ntal signal (fr qu ncy
r spons ) and th d sir d harmonic.
As an xampl , a distortion curv that
is down 40 dB from th fundam ntal
is quival nt to 1% distortion.
Mounting
Caution: B for att mpting to
susp nd this sp ak r, consult a
c rtifi d structural ngin r. Th
sp ak r can fall from improp r
susp nsion, r sulting in s rious injury
and prop rty damag . Oth r
nclosur s may b susp nd d b low
on ILS 1594. How v r, th combin d
w ight of additional nclosur s and all
cabl s, clamps and oth r hardwar
must not xc d 304 pounds. Th ILS
1594 w ighs 96 pounds and th
maximum combin d w ight
susp nd d from th upp rmost
mounting brack t ass mbli s must
not xc d 400 pounds. Maximum
nclosur angl is 45°. Us only th
corr ct mating hardwar . All
associat d rigging is th r sponsibility
of oth rs.
Architectural & Engineering
Specifications
Th loudsp ak r syst m shall hav
an op rating bandwidth of 52 Hz -
20kHz. Th nominal output l v l shall
b 95.0 dB wh n m asur d at a
distanc of on m t r with an input of
on Watt. Th nominal imp danc
shall b 8.0 Ohms. Th maximum
continuous pow r handling shall b
750 Watts, maximum program pow r
of 1,500 watts and a p ak pow r input
of at l ast 3,000 Watts, with a
minimum amplifi r h adroom of 3 dB.
Th nominal radiation g om try shall
b 80 d gr s in th horizontal plan
and 65 d gr s in th v rtical plan .
Th outsid dim nsions shall b
33.75 inch s high by 19.38 inch s
wid by 21.75 inch s d p. Th
w ight shall b 96 pounds. Th
loudsp ak r syst m shall b an
Archit ctural Acoustics mod l
ILS 1594.
This product is manufactur d und r
U.S. pat nts 6,059,069 and
6,064,745.
Three + Two Year Limited Warranty
NOTE:
For d tails, r f r to th warranty
stat m nt. Copi s of this stat m nt
may b obtain d by contacting
P av y El ctronics Corporation, P.O.
Box 2898, M ridian, Mississippi
39301-2898.
Neutrik®and Speakon®are registered trademarks of Neutrik AG.
