Peavey SP 118X Manuel utilisateur
SP™118X
8 Ohms
SPECIFICATIONS
Frequency response, 1 meter on-
axis, swept-sine in anechoic
environment:
50 Hz - 300 Hz (±3 dB)
Usable low frequency limit
(-10 d point):
31 dB
Power handling:
Sub Bass Section:
500 W continuous
1,000 W program
,000 W peak
Sound pressure level, 1 Watt,
1 meter in anechoic environment:
Sub Bass Section:
98.0 dB SPL, ( .83 V input)
Maximum sound pressure level
(1 meter):
Sub Bass Section:
1 5.0 dB SPL continuous
131.0 dB SPL peak
Transducer complement:
Sub Bass Section:
1 x 18" woofer, vented
1808-8sps BW
ox tuning frequency:
Sub Bass Section: 39 Hz
Harmonic Distortion:
1% rated power
nd Harmonic:
100 Hz: 0.37%
1 kHz: 0.46%
3rd Harmonic:
100 Hz: 0. 3%
1 kHz: 0.59%
10% rated power
nd Harmonic:
100 Hz: 0.8 %
1 kHz: 1.68%
3rd Harmonic:
100 Hz: 0.53%
1 kHz: 0.74%
Impedance (Z):
Sub Bass:
Nominal: 8.0 Ω
Minimum: 7.5 Ω
Input connections:
x 1/4" jack
Enclosure materials and finish:
3/4" OSB and MDF finished in carpet
Dimensions (H x W x D):
Front:
3 .50 in. x 0.75 in. x 9.97 in.
8 6 mm x 5 7 mm x 761 mm
Rear:
3 .50 in. x 0.75 in. x 9.97 in.
8 6 mm x 5 7 mm x 761 mm
Net weight:
1 lbs. (55.4 kg)
Features
This loudspeaker system delivers high
output, low distortion bass from a single
18" BWX woofer mounted in a vented
enclosure. It is designed for portability and
includes handles, metal grille, reinforcing
corners, durable carpet finish and rubber
feet. A pole mount is included for
mounting of a high-pass enclosure.
Description
The SP 118X is an add-on subwoofer
designed to make it easy to add more low
end to the SP X Series or other full-range
speaker systems. Other uses include bass
guitar and drum monitoring.
The enclosure is constructed of 3/4" high
density OSB and MDF, and covered with a
heavy-duty black carpet and reinforced
with polymer corners. A black metal grille
covers the front of the enclosure.
Recessed handles on either side provide
portability.
This low frequency enclosure is comprised
of an 18" BWX Black Widow®woofer with
Kevlar®impregnated cone, mounted in a
vented enclosure. This design provides
strong bass extension and high power
handling to complement a full-range
sound system.
SPECS
PEAVEY ELECTRONICS
As the SP™118X does not include a
passive subwoofer crossover, input should
be electronically filtered for subwoofer
applications.
Frequency Response
This measurement is useful in determining
how accurately a given unit reproduces an
input signal. The frequency response of
the SP 118X 8 Ohm is measured at a
distance of 1-meter using a 1 Watt (into
the nominal impedance) swept-sine input
signal. The solid line represents anechoic
response, and the dotted line shows
typical room response. As shown in figure
1, the selected drivers in the SP 118X 8
Ohm combine to give a smooth frequency
response from 50 Hz - 300 Hz.
Power Handling
There are many different approaches to
power handling ratings. Peavey rates this
loudspeaker system’s power handling
using a full-range form of the AES
Standard -1984. Using audio band 0 Hz
to 0 kHz pink noise with peaks of four
times the RMS level, this strenuous test
signal assures the user that every portion
of this system can withstand today’s high
technology music. This rating is contingent
upon having a minimum of 3 dB of
amplifier headroom available.
Harmonic Distortion
Second and third harmonic distortions vs.
frequency are plotted in figures 5 & 6 for
two power levels, ten percent (10%) of
rated input power and either one percent
(1%) of rated input power or one Watt,
whichever is greater. Distortion is read
from the graph as the difference between
the fundamental signal (frequency
response) and the desired harmonic. As
an example, a distortion curve that is
down 40 dB from the fundamental is
equivalent to 1% distortion.
Architectural & Engineering
Specifications
The loudspeaker system shall have an
operating bandwidth of 50 Hz - 300 Hz.
The nominal output level shall be 98.0 dB
when measured at a distance of one
meter with an input of one Watt. The
nominal impedance shall be 8.0 Ohms.
The maximum continuous power handling
shall be 500 Watts, maximum program
power of 1,000 Watts and a peak power
input of at least ,000 Watts, with a
minimum amplifier headroom of 3 dB. The
outside dimensions shall be 3 .50 inches
high by 0.75 inches wide by 9.97 inches
deep. The weight shall be 1 pounds.
The loudspeaker system shall be a
Peavey model SP 118X 8 Ohm.
3 + 2 YEAR LIMITED WARRANTY
NOTE: For details, refer to the
warranty statement. Copies of
this statement may be obtained
by contacting Peavey Electronics
Corporation, P.O. Box 898, Meridian,
Mississippi 39301- 898.
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
70
80
90
100
110
120
dB SPL (re 20 Pa)
Amplitude Response (1W 1m On-Axis)
Figure 1
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
1
2
3
5
10
20
30
50
100 Impedance
Z
()
Figure 2
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
60
70
80
90
100
110
120
130
dB SPL (re 20 Pa)
Harmonic Distortion at 1/10 Rated Power
Figure 6 3rd Harmonic
2nd Harmonic
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
50
60
70
80
90
100
110
120
dB SPL (re 20 Pa)
Harmonic Distortion at 1/100 Rated Power
Figure 5 3rd Harmonic
2nd Harmonic
INPUTS
IN PARALLEL
WARNING: THIS SPEAKER SYSTEM CAN
PERMANENTLY DAMAGE HEARING! USE
EXTREME CARE SETTING MAXIMUM LOUDNESS
MAX POWER: 1000W PROGRAM
118X 8 OHMS
SP
TM
8 OHMS 122 LBS.
55.4 g.
SP™118X 8 OHMS INPUT
Features and specifications subject to change without notice.
Peavey Electronics Corporation • 711 A treet • Meridian • M • 39301
(601) 483-5365 • FAX (601) 486-1278 • www.peavey.com
©2001 Printed in the U. .A. 6/01
80304858
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