9
SA1521 SPECIFICATIONS
System Specifications
Frequency Range (–10 dB)
:
49 Hz–20 kHz
Frequency Response (–3 dB):
57 Hz–18 kHz
Horz. Coverage Angle (–6 dB)
:
75
°
averaged 1 kHz to 6 kHz
Vert. Coverage Angle (–6 dB)
:
65
°
averaged 1 kHz to 6 kHz
Sensitivity (1W@1m):
100 dB
Maximum SPL Long-term
:
130 dB @ 1m
Maximum SPL Peak
:
133 dB @ 1m
Crossover Point
:
1300 Hz
Transducers
Low Frequency
Diameter
:
15 in/381mm
High Frequency
Diaphragm Diameter
: 1.75 in/44mm
Diaphragm Material
:
Titanium
Exit Throat:
1.00 in/28.4mm
Horn
Type
:
Constant Directivity
Mouth Size
:
10.6˝ x 10.6˝
(27 x 27 cm)
Throat Size
:
1.0˝ (2.54 cm)
Volume Control
Rotating Knob
:
–15 to +5 dB
(0 dB detent)
Amplifiers
Low Frequency:
Rated Output
*:
400 watts RMS
continuous
Rated THD
:
<0.03%
Design
:
Class G, High Efficiency/
High Current
*Rated power is continuous RMS wattage into the transducer’s
rated impedance using a 100Hz sine wave.
High Frequency:
Rated Output
*:
100 watts RMS
continuous
Rated THD
:
<0.03%
Design
:
Class AB
*Rated power is into the transducer’s rated impedance using a
1kHz sine wave signal.
Audio Input/Output
Main Input, Loop Out
: 50k
Ω
impedance,
balanced
Connector Type
:
XLR
Line Input Power
US
:
120V, 60 Hz
Recommended Amperage Service
: 13 amps
AC Connector
:
3 pin IEC- Male
Europe
:
230V, 50 Hz
Recommended Amperage Service
: 7 amps
AC Connector
:
3 pin IEC-Male
Control System Functions
Electronic Crossover
Phase Alignment
Time Correction
Equalization
Electronic System protection
Thermal Overload protection
Independent High- and Low-Frequency Driver
protection
Indicator LEDs
Power On
:
Green LED
Signal Present
:
Green LED
Limit
:
Yellow LED
Thermal
:
Red LED
Safety Features
RMS Limiting
:
Monitoring and limiting of continuous
RMS output of amplifiers
Thermal
:
Monitoring of thermal condition of
power supply and amplifiers. High
temperature condition engages input-
stage shut down and autoreset function.
Physical
Enclosure
:
Trapezoidal, 10
°
side angles, 18mm
multi-layered plywood, top and bottom
high-pressure resin injected “caps”
Handles
:
One on top, one on bottom cap; one
three-piece handle on each side
Color
:
Black, PVC coated finish
Grille
:
Custom perforated oval steel grille with
anti-corrosive treatment
Mounting Methods
:
Floor mount only—not suitable for flying
Pole-mountable via built-in socket on bottom
Dimensions
Height
:
32.0 in/81.3 cm
Front Width
:
19.1 in/48.5 cm
Rear Width
:
13.9 in/35.3 cm
Depth
:
18.1 in/46.0 cm
Net Weight
:
101.0 lb/45.8 kg
Disclaimer
Since we are always striving to make our prod-
ucts better by incorporating new and improved
materials, components, and manufacturing meth
ods, we reserve the right to change these specifica-
tions at any time without notice.
“Mackie.” and the “Running Man” figure are
registered trademarks of LOUD Technologies Inc.
All other brand names mentioned are trade-
marks or registered trademarks of their respective
holders, and are hereby acknowledged.
©2003 LOUD Technologies Inc.
All Rights Reserved.
