Electro Voice Speaker System SX300PI User Manual

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S
S
00PI  
00PIX  
x
x
300-Watt Two-Way  
Weather-Resistant  
Speaker Systems  
Ring-Mode Decoupling (RMDTM) for  
increased intelligibility  
Lightweight Structural-foam enclosure  
Stand mountable and arrayable  
High efficiency (99 dB, 1 W/1 m)  
High power handling (Sx300PI: 300-watts  
continuous, 1,200-watts short term)  
Powder-coated, full-face stainless-steel  
grill with foam backing  
Four molded-in attachment points (metric  
M8 x 1.25) for secure suspension  
100-watt transformer option (Sx300PIX)  
Available in white  
not receive the strongest coverage.  
to the high-frequency driver exceeds the nomi-  
nal rating, the protection circuit is activated  
and reduces the power delivered to the driver  
by 6 dB. The system will remain in this mode  
of operation until the input power is reduced  
to a safe level.  
Description  
One of the many other unique features of the  
Sx300PI is the cabinet. Constructed of high-  
impact polypropylene structural foam, it pro-  
vides a stiff and extremely durable enclosure.  
Molded into the cabinet are an integral carry-  
ing handle and a stand socket for mounting  
on 13/8-inch stands such as the Electro-Voice  
100BK. Rubber feet attached to the bottom of  
the cabinet and mating sockets molded into  
the top provide a means of stacking systems.  
The trapezoidal-shaped cabinet in combina-  
tion with the uniform, 65° x 65° directivity  
characteristics, make the Sx300PI ideal for use  
alone or in arrays.  
The Sx300PI and Sx300PIX are continua-  
tions of the popular the Sx-series offering  
the added value of weather-resistant cabi-  
nets. The Electro-Voice Sx300PI is a 300-watt,  
12-inch, two-way, high-efficiency, constant-  
directivity speaker system for permanent in-  
stallation. Through the extensive use of  
computer-aided design and modeling,  
Electro-Voice engineers have developed  
a state-of-the-art professional loudspeaker  
system for permanent installation where  
weather resistance is needed. The  
Sx300PIX is the same as the Sx300PI with  
the addition of an AT100 transformer.  
The bass section of the Sx300PI is designed  
using Thiele-Small parameters for efficient  
performance to below 80 Hz. The woofer is a  
DL12Sx 12-inch unit featuring beryllium cop-  
per lead wires, a low-mass, edge-wound voice  
coil and high-temperature materials. The part  
of the magnetic structure adjacent to the coil  
is insulated using the exclusive EV PROTEFTM  
process (U.S. Patent #4,547,632). The sys-  
tem combines professional-quality compo-  
nents, arranged in a time-coherent vertical ar-  
ray, with an unusually durable Thiele-Small-  
aligned vented enclosure. The result is clear  
and articulate, high-quality sound.  
The Sx300PI’s high-frequency horn is driven  
by the Electro-Voice DH2010A one-inch-  
throat, wide bandwidth, titanium-diaphragm  
driver. The DH2010A uses a unique, convex-  
drive Time PathTM phasing plug structure (U.S.  
Patent #4,525,604) for smooth and extended  
high-frequency performance. The voice coil  
is coupled to the diaphragm with EV’s exclu-  
sive Resonant DriveTM technology. This in-  
creases and smooths the high-frequency re-  
sponse and reduces the amount of internal  
equalization required for flat frequency re-  
sponse. Driver output extends to 25,000 Hz.  
The high-frequency section of the Sx300PI  
utilizes a molded-in, 65° x 65° constant-di-  
rectivity horn. This unique pattern contrib-  
utes to high intelligibility. Vocals sound  
natural, yet “cut through” in reverberant,  
noisy rooms. In addition, the coverage pat-  
tern is unusually uniform over its range of  
operation. Sound quality off axis is very  
consistent, even at 45° off axis (a 90° total  
coverage angle), well beyond the rated cov-  
erage angle. The horn’s unique, VaripathTM  
throat geometry* helps direct driver output  
to the corners of the room, points of cover-  
age not described in the usual specifications  
of horizontal and vertical coverage angles,  
and parts of the audience that typically do  
Ring-Mode Decoupling (RMDTM  
)
The Sx300PI controls both acoustical and  
mechanical ring modes to provide dramati-  
cally increased intelligibility, using tech-  
niques learned from the development of the  
Electro-Voice X-array™ concert speakers.  
There is much less coloration of the sound  
from resonating sources, leaving only the  
intended sound to be heard by the audience.  
A self-resetting, high-frequency protection cir-  
cuit, EV’s PROTM circuit, is included with the  
Sx300PI to prevent accidental overdrive and  
improve system reliability. If the input power  
* Patent pending  
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Sx300PI and Sx300PIX 300-Watt Two-Way Weather-Resistant Speaker Systems  
of random noise with equal energy per band-  
width in Hz) is fed to a shaping filter with  
6-dB-per-octave slopes below 40 Hz and  
above 318 Hz. When measured with the  
usual constant-percentage bandwidth ana-  
lyzer (one-third-octave), this shaping filter  
produces a spectrum whose 3-dB-down  
points are at 100 Hz and 1,200 Hz with a  
3-dB-per-octave slope above 1,200 Hz. This  
shaped signal is sent to the power amplifier  
with the continuous power set at 300 watts  
into the 7.1-ohm EIA equivalent impedance  
(46.2 volts true rms). Amplifier clipping sets  
instantaneous peaks at 6 dB above the con-  
tinuous power, or 1,200-watts peak  
(92.5 volts peak). This procedure provides  
a rigorous test of both thermal and mechani-  
cal failure modes.  
Request P.A. Bible Addition No. Two  
(“Power Handling Capacity”) for more  
background on these recommendations.  
(12-inch) low-frequency transducer in a  
trapezoidal-shaped enclosure; a high-fre-  
quency compression driver with a pure tita-  
nium diaphragm coupled to a 65° x 65°  
constant-directivity horn molded into the  
front baffle of the enclosure; and a passive  
crossover-equalizer network with protection  
for the high-frequency driver. The loud-  
speaker shall meet the following perfor-  
mance criteria: frequency response of  
80 to 25,000 Hz, –3 dB; power handling of  
300-watts long term and 1,200-watts short  
term (nontransformer), with a shaped ran-  
dom-noise input per ANSI/EIA RS-426-A  
1980; sensitivity of 99 dB SPL at 1 meter  
with a 1-watt, 300- to 2,000-Hz pink-noise  
input; 6-dB-down horizontal coverage angle  
of 65° ±15° in the 2,000- to 20,000-Hz  
range; 6-dB-down vertical coverage angle  
of 65° ±15° in the 2,000- to 20,000-Hz  
range; crossover frequency of 1,500 Hz;  
nominal impedance of 8 ohms and minimum  
impedance of 6 ohms. Paralleled input and  
output connectors shall be present, consist-  
ing of Neutrik Speakon® NL4MP connec-  
tors. The enclosure shall be constructed of  
polypropylene structural foam and fitted  
with a full-face, foam-backed, stainless-  
steel grille, an integral handle, a stand  
socket for mounting on 13/8-inch stands,  
rubber feet and mating sockets to facili-  
tate stacking. Dimensions shall be 586 mm  
(23.1 in.) high x 429 mm (16.9 in.) wide  
x 312 mm (12.3 in.) deep. Net weight shall  
be 17.7 kg (39 lb)nontransformer; 21.7 kg  
(48 lb)transformer. The loudspeaker sys-  
tems shall be the Electro-Voice  
S x 3 0 0 P I , S x 3 0 0 P I X , S x 3 0 0 P I - W,  
Sx300PIX-W.  
Sx300PI Connections  
The Sx300PI is equipped with two Neu-  
trik Speakon® NL4MP connectors.  
In continued high-power applications,  
Electro-Voice recommends the use of the  
Speakon connector. The Speakon NL4MP  
will mate to a NL4FC Speakon connector,  
which is a 4-pin connector. Figure 7 shows  
typical wiring configurations using banana  
plugs. Cable connections for the Sx300PI  
should be made to the 1+ and 1– terminals  
only. Cable connections for the Sx300PIX  
should be made as shown in Figure 9, de-  
pending on the given input voltage and the  
desired output wattage. Cables utilizing the  
Speakon NL4FC are available from your  
local dealer or from the companies listed  
below:  
Amplifier Power Recommendations  
As noted in the Power-Handling Capacity  
section above, the Sx300PI has a random-  
noise power capacity of 300-watts long term  
(1,200-watts peak) (nontransformer) per  
ANSI/EIA RS-426-A 1980. The following  
guidelines will help relate this number to  
an appropriate power amplifier output rat-  
ing.  
Pro Co Sound, Inc.  
135 E. Kalamazoo Ave.  
Kalamazoo, MI 49007  
616/388-9675  
Whirlwind Music Distributors, Inc.  
P.O. Box 1075  
1. To use the Sx300PI to full capacity,  
skilled experts in sound system installa-  
tion and operation will obtain the best  
results if the power amplifier is 2.0 to  
4.0 times the long-term average noise-  
power rating of the speaker system. For  
the Sx300PI this is 600 to 1,200 watts  
(nontransformer).  
Rochester, NY 14603  
716/663-8820  
Neutrik USA, Inc.  
195-S3 Lehigh Ave.  
Lakewood, NJ 08701  
908/901-9488  
The caution cannot be made strongly  
enough, however, that this arrange-  
ment is only for experts or for those  
who can discipline themselves against  
“pushing” the system for ever-higher  
sound levels and who can avoid “ac-  
cidents” such as catastrophic feedback  
or dropped microphones.  
It is recommended that after making the  
proper connection with the Speakon connec-  
tor to the input on the enclosure, a bead of  
sealant should be applied around the con-  
nection to assure a watertight seal.  
Uniform Limited Warranty  
Electro-Voice products are guaranteed  
against malfunction due to defects in mate-  
rials or workmanship for a specified period,  
as noted in the individual product-line  
statement(s) below, or in the individual  
product data sheet or owner’s manual, be-  
ginning with the date of original purchase.  
If such malfunction occurs during the speci-  
fied period, the product will be repaired or  
replaced (at our option) without charge. The  
product will be returned to the customer pre-  
paid. Exclusions and Limitations: The  
Limited Warranty does not apply to: (a) ex-  
terior finish or appearance; (b) certain spe-  
cific items described in the individual prod-  
uct-line statement(s) below, or in the indi-  
Weather-Resistant Mounting  
When mounting the Sx300 PI in a location  
where a weather-resistant system is required  
a minimum of a five-degree down angle is  
recommended. (See figure 9.) This will  
help prevent any moisture from wicking  
through the foam and mesh-backed grille  
and accumulating inside the enclosure un-  
der extreme weather conditions.  
2. A more conservative, “normal” ampli-  
fier size, which will produce audible re-  
sults nearly equal to those of the “ex-  
pert” recommendation, is 1.0 to 1.4 times  
the long-term average noise-power rat-  
ing of the speaker. For the Sx300PI, this  
is 300 to 420 watts (nontransformer).  
3. To be very conservative, one can use an  
amplifier rated at 0.5 to 0.7 times the  
long-term average noise-power rating of  
the loudspeaker. For the Sx300PI this  
is 150 to 210 watts (nontransformer).  
Architects' and Engineers'  
Specifications  
The loudspeaker shall consist of a 305-mm  
3
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Sx300PI and Sx300PIX 300-Watt Two-Way Weather-Resistant Speaker Systems  
vidual product data sheet or owner’s manual;  
(c) malfunction resulting from use or op-  
eration of the product other than as speci-  
fied in the product data sheet or owner’s  
manual; (d) malfunction resulting from mis-  
use or abuse of the product; or (e) malfunc-  
tion occurring at any time after repairs have  
been made to the product by anyone other  
than Electro-Voice Service or any of its au-  
thorized service representatives. Obtaining  
Warranty Service: To obtain warranty ser-  
vice, a customer must deliver the product, pre-  
paid, to Electro-Voice Service or any of its au-  
thorized service representatives together with  
proof of purchase of the product in the form  
of a bill of sale or receipted invoice. A list of  
authorized service representatives is available  
from Electro-Voice Service at: 1 Telex Drive,  
Morrilton, AR 72110 (800/685-2606 or at  
501/354-0111). Incidental and Conse-  
quential Damages Excluded: Product re-  
pair or replacement and return to the cus-  
tomer are the only remedies provided to the  
customer. Electro-Voice shall not be liable  
for any incidental or consequential damages  
including, without limitation, injury to per-  
sons or property or loss of use. Some states  
do not allow the exclusion or limitation of  
incidental or consequential damages so the  
above limitation or exclusion may not ap-  
ply to you. Other Rights: This warranty  
gives you specific legal rights, and you may  
also have other rights which vary from state  
to state.  
does not apply to burned voice coils or mal-  
functions such as cone and/or coil damage  
resulting from improperly designed enclo-  
sures. Electro-Voice active electronics as-  
sociated with the speaker systems are guar-  
anteed for three (3) years from the date of  
original purchase. Additional details are in-  
cluded in the Uniform Limited Warranty  
statement.  
For warranty repair, service information,  
or a listing of the repair facilities nearest you,  
contact the service repair department at:  
800/685-2606 or 501/354-0111.  
For technical assistance, contact Techni-  
cal Support at 800/392-3497 (ext. 4656)  
or 952/736-4656, M-F, 8:00 a.m. to  
5:00 p.m., Central Standard time.  
Electro-Voice Speakers and Speaker Sys-  
tems are guaranteed against malfunction due  
to defects in materials or workmanship for  
a period of five (5) years from the date of  
original purchase. The Limited Warranty  
Specifications subject to change without no-  
tice.  
Figure 1 — Sx300PI Frequency  
Response (1watt/1 meter, anechoic  
environment) (open ports)  
Figure 2 — Sx300PI Frequency  
Response (1 watt / 1 meter, anechoic  
environment) (closed ports)  
4
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Sx300PI and Sx300PIX 300-Watt Two-Way Weather-Resistant Speaker Systems  
Figure 3 — Polar Response (anechoic  
environment) (open ports)  
HORIZONTAL  
VERTICAL  
5 dB per Division  
5
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Sx300PI and Sx300PIX 300-Watt Two-Way Weather-Resistant Speaker Systems  
Figure 4 — Beamwidth Response  
(anechoic environment) (open ports)  
Figure 6 — Sx300PI/ Sx300PIX Dimensions  
Figure 5 — Directivity Response (anechoic  
environment) (open ports)  
190 mm  
(7.5 in.)  
429 mm  
(16.9 in.)  
76 mm  
(3.0 in.)  
341 mm  
(13.4 in.)  
586 mm  
(23.1 in.)  
METRIC (M8 x 1.25)  
METAL INSERTS  
226 mm  
(FOUR PLACES)  
(8.9 in.)  
190 mm  
(7.5 in.)  
65.0 °  
312 mm  
(12.3 in.)  
6
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Sx300PI and Sx300PIX 300-Watt Two-Way Weather-Resistant Speaker Systems  
Figure 7 — Cable Configurations for Sx300PI and Sx300PIX  
1
2
3
4
70.7 VOLT 100 VOLT  
PIN 4  
PIN 3  
PIN 2  
50W  
70W  
100W  
100W  
140W  
200W  
PIN 1 COMMON COMMON  
CONNECTIONS TO  
TRANSFORMER TAPS  
Figure 8 — Suspending the Sx300PI Using  
Mb200 Installation Kit  
Figure 9 — Recommended Mounting of the  
Sx300PI and Sx300PIX  
7
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Sx300PI and Sx300PIX 300-Watt Two-Way Weather-Resistant Speaker Systems  
Specifications  
Directivity Factor Rq (Q), 800-16,000 Hz  
Median (see Figure 5):  
14.3 (+7.9, –9.3)  
Directivity Index Di, 800-16,000 Hz  
Median (see Figure 5):  
11.1 dB (+2.4 dB, –4.1 dB)  
Distortion, 0.1 Full Power Input,  
Second Harmonic,  
100 Hz: 1.2%  
1,000 Hz: 1.4%  
10,000 Hz: 10%  
Third Harmonic,  
100 Hz: 0.1%  
1,000 Hz: 1.4%  
Input Connections, Sx300PI:  
Paralleled Neutrik Speakon® NL4MP  
connectors (allow paralleling of  
multiple speakers)  
Input Connections, Sx300PIX:  
Paralleled Phoenix-Style connectors  
(for wattage selection and  
paralleling of multiple speakers)  
Enclosure Materials and Colors:  
Polypropylene structural foam; choice  
of black or white  
Versions Available:  
Sx300PI—two-way, full-range  
speaker system (300 watt)  
Sx300PIX—two-way, full-range  
speaker system with 100-watt  
transformer  
Sx300PI-W—two-way, full-range  
speaker system (300 watt),white  
Sx300PIX-W—two-way, full-range  
speaker system with 100-watt  
transformer, white  
Axial Frequency Response (swept  
sine-wave input, 4 volts at 10 feet on  
axis, anechoic environment, normal-  
ized for 1 watt/1 meter; see Figure 1):  
80-25,000 Hz  
Supplied Accessories:  
Suspending Sx100/Sx300 Series  
Loudspeakers instruction manual  
Optional Accessories:  
10,000 Hz: 2.5%  
Distortion, 0.01 Full Power Input,  
Second Harmonic,  
100 Hz: 0.2%  
100BK mounting stand  
Mb100 forged eyebolt attachment kit  
Mb200 wall/ceiling mounting bracket  
Mb300 horizontal array kit  
OmniMount® Series 100 mounting  
hardware**  
(Open Port) Low-Frequency 3-dB-  
Down Point:  
90 Hz  
Half-Space Reference Efficiency:  
5.9%  
1,000 Hz: 1.1%  
10,000 Hz: 1.0%  
Third Harmonic,  
100 Hz: 0.1%  
VPCSx vinyl case  
Long-Term Average Power-Handling  
Capacity per ANSI/EIA RS-426-A  
1980 (see Power-Handling Capacity  
section):  
300 watts (nontransformer)  
200 watts - 100-V line (transformer)  
100 watts - 70.7-V line (transformer)  
Maximum Woofer Acoustic Output:  
17.7 watts  
1,000 Hz: 0.4%  
PDSx padded case  
MBS200 Stainless Steel Bracket Kit  
Attachment Points:  
Four metric inserts (M8 x 1.25) (see  
Figure 5 and Suspending Sx300PI  
Enclosures section)  
Dimensions (see Figure 5),  
Height:  
10,000 Hz: 0.2%  
Transducer Complement,  
High Frequency:  
DH2010A driver  
Low Frequency:  
12-inch EV woofer  
Box-Tuning Frequency:  
63 Hz  
586 mm (23.1 in.)  
Sensitivity (SPL at 1 meter, 1 watt  
input, anechoic environment, band-  
limited pink-noise signal, 300-2,000 Hz):  
99 dB  
Crossover Frequency:  
1,500 Hz  
Crossover Slope,  
Low Pass:  
Width:  
429 mm (16.9 in.)  
Depth:  
312 mm (12.3 in.)  
Dispersion Angle Included by 6-dB-Down  
Points on Polar Responses, Indicated  
One-Third-Octave Bands of Pink  
Noise (see Figure ),  
2,000-20,000 Hz, Horizontal:  
65° –15°  
12 dB per octave  
High Pass:  
12 dB per octave  
Impedance, Sx300PI  
Nominal:  
Net Weight:  
17.7 kg (40 lb) – nontransformer  
21.7 kg (49 lb) – transformer  
Shipping Weight:  
19.1 kg (43 lb) – nontransformer  
23.1 kg (52 lb) – transformer  
8 ohms  
2,000-20,000 Hz, Vertical:  
65° –15°  
Minimum:  
6 ohms  
Impedance, Sx300PIX at  
Highest Wattage Tap,  
Nominal:  
50 ohms  
at 1 kHz:  
_____________________  
** Available through OmniMount Systems, Inc. OmniMount® is a  
registered trademark of OmniMount Systems, Inc.  
111 ohms  
12000 Portland Ave. S., Burnsville, MN 55337  
952/884-4051 Phone, 952/884-0043 Fax  
' Telex Communications, Inc., 2005 • Litho in U.S.A.  
SPEAKERS – Full Range/Install  
Part Number 534544 — 07/07  
8
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