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SA1521z SPECIFICATIONS
Acoustic Performance
Frequency Range (–10 dB)
44 Hz–20 kHz
Frequency Response (–3 dB)
55 Hz–18 kHz
Horizonal Coverage Angle (–6 dB)
75º averaged 2 kHz to 10 kHz
Vertical Coverage Angle (–6 dB)
85º averaged 2 kHz to 10 kHz
Directivity Factor; DI (Q)
11.8 (15.2) averaged 2k Hz to 10 kHz
Max SPL long-term 130 dB @ 1m
Max SPL peak 133 dB @ 1m
Crossover Point 1300 Hz
Input/Output
Input Type Female XLR Balanced/Unbalanced
Input Impedance 50 kohms balanced
Loop-Through Male XLR Balanced/Unbalanced
(parallel with input)
Level Control Rotating knob (–15 to +5 dB),
center detent at 0 dB
High-Frequency Section
Voice Coil Diameter 1.75 in/44 mm
Horn Exit Diameter 1.0 in/25 mm
Phase Plug Optimized geometry
Diaphragm Material Titanium
Magnet Material Neodymium
Low-Frequency Section
Woofer Diameter 15.0 in/381 mm
Voice Coil Diameter 3 in/76 mm
Diaphragm Material Epoxy-reinforced cellulose
Magnet Material Ferrite
Power Ampliers
Low-Frequency Power Amplier
Rated Power 400 watts rms
Rated THD < 0.03%
Design Class G, Hybrid
High-Frequency Power Amplier
Rated Power 100 watts rms
Rated THD < 0.03%
Design Class AB
Line Input Power
US 120V, 60Hz
Recommended Amperage Service: 13 amps
Europe 230V, 50Hz
Recommended Amperage Service: 7 amps
AC Connector 3-pin IEC 250 VAC
Safety Features
Input Protection Low frequency dynamic bass
protection, rms limiting, power
supply and amplier thermal
protection
Display LEDs Power ON, Signal Present, Limit,
Thermal (cool down auto-reset)
Construction Features
Basic Design Trapezoidal, 10º side angles
Material 18 mm Baltic birch plywood,
resin end caps
Finish Wear-resistant textured black
PVC vinyl
Handles
One on each side, one top, one bottom
Grille Perforated metal with weather-
resistant coating
Physical Properties
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
Weight 101 lb/46 kg
Mounting Methods Floor mount only.
The SA1521z cabinet has no rigging points and
is not
suitable for ying. Never attempt to
suspend the
cabinet by its handles. The
SA1521z is pole-mountable via the built-in
socket on the bottom of the cabinet. Be sure the
pole is capable of supporting the weight of the
SA1521z.
Disclaimer
Since we are always striving to make our products better by in-
corporating new and improved materials, components, and manufac-
turing methods, we reserve the right to change these specications
at any time without notice.
“Mackie” and the “Running Man” gure are registered trademarks
of LOUD Technologies Inc.
All other brand names mentioned are trademarks or registered
trademarks of their respective holders, and are hereby acknowledged.
©2004 LOUD Technologies Inc.
All Rights Reserved.