User manual PEAVEY SP 4G DATASHEET
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Manual abstract: user guide PEAVEY SP 4GDATASHEET
Detailed instructions for use are in the User's Guide.
[. . . ] SPECS
PEAVEY ELECTRONICS
SPTM 4G
Sound Reinforcement Enclosure with Sound GuardTM HF Protection System
SPECIFICATIONS
Frequency Response, 1 Meter On-Axis, Swept-Sine in Anechoic Environment:
50 Hz to 17. 5 kHz
Low Frequency Cut-Off (-3 dB point):
50 Hz
Usable Low Frequency Limit (-10 dB point):
39 Hz
Power Handling:
Full Range: 600 W continuous (49. 0 V RMS) 1, 200 W program 2, 400 W peak Bi-amp Low: 700 W continuous (52. 9 V RMS) 1, 400 W program 2, 800 W peak Bi-amp High: 40 W continuous (17. 9 V RMS) 80 W program 160 W peak
1. 6 kHz to 5 kHz: Horizontal: 83° ±19° Vertical: 57° ±17° 5 kHz to 16 kHz: Horizontal: 86° ±3° Vertical: 39° ±2°
Impedance (Z):
Full Range Nominal: 4 Full Range Minimum: 3. 9 Lows Nominal: 4 Highs Nominal: 8
Input Connections:
Two paralleled 1/4" phone jacks for full-range input One 1/4" phone jack for bi-amp low frequency input One 1/4" phone jack for bi-amp high frequency input
Directivity Factor, Q (Mean):
9. 5 ±3. 3
Sound Pressure Level, 1 Watt, 1 Meter in Anechoic Environment:
Full Range: Bi-amp Low: Bi-amp High: 100 dB (2. 0 V) 100 dB (2. 0 V) 106 dB (2. 8 V)
Directivity Index, Di (Mean):
9. 5 dB ±1. 5 dB
Transducer Complement:
Two 1505-8 KADT Black Widow® woofers One 22XTTM compression driver loaded by a CH® 941 horn
Enclosure Materials and Finish:
3/4" plywood enclosure covered with black carpet and protective polymer corners Expanded metal grille to protect the low frequency driver
Maximum Sound Pressure Level (1 meter):
Full Range: 127 dB continuous 133 dB peak Bi-amp Low: 128 dB continuous 134 dB peak Bi-amp High: 122 dB continuous 128 dB peak
Box Tuning Frequency:
50 Hz
Crossover Frequency (internal passive):
1. 8 kHz
Mounting Provisions:
None
Dimensions (H x W x D):
49. 25" x 21. 50" x 22. 75" (125. 1 cm x 54. 6 cm x 57. 8 cm)
Minimum Recommended Active Crossover Frequency and Slope for Bi-amping:
1. 2 kHz at 18 dB/octave
Radiation Angle Measured at -6 dB Point of Polar Response:
500 Hz to 1. 6 kHz: Horizontal: 92° ±13° Vertical: 83° ±13°
Time Offset:
0. 70 mS (delay Lows)
Net Weight:
135 lbs. (61. 4 kg)
Amplitude Response (1W 1m On-Axis)
110
dB SPL (re 20 Pa)
FEATURES
· · · · · Two 1505-8 KADT Black Widow® woofers 22XTTM compression driver Sound GuardTM high frequency protection circuit Trapezoidal enclosure design Built-in pocket casters for easy movement
100 90 80 70 60 20
DESCRIPTION
The redesign of the ever popular SPTM 4 has resulted in the SPTM 4G loudspeaker system. [. . . ] Short duration transients will not be attenuated by Sound GuardTM and have the possibility to damage the 22XTTM. The Sound GuardTM circuit is a dynamic circuit that will attenuate the signal more in relation to how large the signal is, very similar to a compressor. This is accomplished through the use of a specially selected, dynamically resistive
50
100
200
Figure 1
500 1k Frequency (Hz)
2k
5k
10k
20k
Impedance
100 50 30 20
Z ( ) 10 5 3 2 1 20 50 100 200 500 1k Frequency (Hz) 2k 5k 10k 20k
Figure 2
Beamwidth
360 300
Beamwidth (Degrees)
180 140 100 80 60 40 30 20 Horizontal Vertical 50 100 200 500 1k Frequency (Hz) 2k 5k 10k 20k
Figure 3
Q & Directivity Index
100 20
Q
10 10
Di
1 20
50
100
200
Figure 4
500 1k Frequency (Hz)
2k
5k
10k
0 20k
HORIZONTAL POLAR PATTERNS
1 octave averaged, plotted on ISO 1 octave centers from 250 Hz to 8 kHz
0 30
o o o o
0 -30
o
0 -30
o
30
o
30
o
-30
o
60
o
-60
o
60
o
-60
o
60
o
-60
o
90
o
-90
o
90
o
-90
o
90
o
-90
o
250 Hz
o
500 Hz
o
1 kHz
0 -30
o o
0 30
o
0 -30
o
30
o
30
o
-30
o
60
o
-60
o
60
o
-60
o
60
o
-60
o
90
o
-90
o
90
o
-90
o
90
o
-90
o
2 kHz
4 kHz
8 kHz
VERTICAL POLAR PATTERNS
90
o
90
60
o
o
90 60
o
o
60
o
30
o
30
o
30
o
0
o
0
o
0
o
-30
o
-30
o
-30
o
-60 -90
o
o
-60 -90
o
o
-60 -90
o
o
250 Hz
o
500 Hz
o
1 kHz
o
90
90 60
o
90 60
o
60
o
30
o
30
o
30
o
0
o
0
o
0
o
-30
o
-30
o
-30
o
-60 -90
o
o
-60 -90
o
o
-60 -90
o
o
2 kHz
4 kHz
8 kHz
light bulb. If the bulb in your Sound GuardTM should ever burn out, a replacement may be obtained from an Authorized Peavey Service Center. However, if a Peavey replacement bulb is not readily available, an automotive type 1156 bulb may be substituted for temporary use until a Peavey bulb can be obtained.
placement and installation in the chosen environment. The blending of the components of the SPTM 4G exhibit a desirable beamwidth and directivity (Figures 3 and 4) suitable for sound reinforcement applications.
ARCHITECTURAL and ENGINEERING SPECIFICATIONS
The loudspeaker system shall have an operating bandwidth of 39 Hz to 17. 5 kHz. The nominal output level shall be 100 dB when measured at a distance of one meter with an input of one watt. The maximum continuous power handling shall be 600 watts, maximum program power of 1, 200 watts and a peak power input of at least 2, 400 watts, with a minimum amplifier headroom of 3 dB. The nominal radiation geometry shall be 87 degrees in the horizontal plane and 60 degrees in the vertical plane. The outside dimensions shall be 49. 25 inches high by 21. 5 inches wide by 22. 75 inches deep. [. . . ] Box 2898, Meridian, Mississippi 39302-2898.
Features and specifications subject to change without notice.
Peavey Electronics Corporation · 711 A Street · Meridian, MS 39301 · U. S. A. (601) 483-5365 · Fax 486-1278 · www. peavey. com
©1998
80301834
Printed in U. S. A. [. . . ]
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