MACKIE SRM1801 - Manual (Page 2)

SRM1801
POWERED
SUBWOOFER
2/4 PAGES
SRM1801 SPECIFICATIONS
Acoustic Performance
Frequency Response (–10 dB) 35 Hz - 150 Hz
Frequency Response (–3 dB) 50 Hz - 115 Hz
Max SPL peak (calculated) 1 129 dB
Max SPL peak (measured) 2 124 dB
1 Calculated from peak driver sensitivity and amplifier power, half space.
2 Measured with swept sine at 1 W within operating range, scaled for max
power, half space.
Transducer
Diameter 18.0 in / 457 mm
Voice Coil Diameter 3.0 in / 76 mm
Diaphragm Material Paper
Magnet Material Ferrite
Power Amplifier
Rated Power 500 watts rms
1000 watts peak
Rated THD < 0.1%
Cooling Convection
Design
Class D
Input / Output
Input Type Female XLR Balanced
differential (stereo left / right)
Input Impedance 20 k balanced
Full Range Output Male XLR Balanced
(parallel with input)
High Pass Output Male XLR Balanced
Level Control -6 dB to +6 dB
Electronic Crossover
Crossover Type 24 dB / oct.
Linkwitz-Riley
Crossover Frequency
125 Hz
Protection Features
Over-excursion Protection 40 Hz 24 dB / oct.
Butterworth High
Pass Filter
Thermal Protection Amplifier mute, auto reset
Driver Protection Peak / RMS Limiter
Display LEDs Thermal, OL, Signal, Power
Operating Temperature 0˚ - 40˚C
32˚ - 104˚F
AC Power Requirements
US 100 - 120 VAC, 50 - 60 Hz
160 watts
EU 220 - 240 VAC, 50 - 60 Hz
160 watts
AC Connector 3-pin IEC 250 VAC
15 A male
Construction Features
Basic Design Trapezoidal
Material Void-free plywood
Finish Textured black catalyzed
polyurethane paint
Handles One on each side
Grille Perforated metal
Physical Properties (packaged product)
Height 27.2 in / 691 mm
Width 24.0 in / 610 mm
Depth 29.3 in / 744 mm
Shipping Weight 80.0 lb / 36.3 kg
Physical Properties (product)
Height 24.1 in / 612 mm
Front Width 20.2 in / 513 mm
Rear Width 15.1 in / 383 mm
Depth 25.3 in / 643 mm
Weight 73 lb / 33.1 kg
Mounting Methods
Floor mount only
WARNING: The cabinet has no rigging points and is not suitable for
rigging. NEVER attempt to suspend the SRM1801 by its handles.
Options
SPM200 Loudspeaker Pole Mount P/N 2035170-01
SRM1801 Cover P/N 2036809-05
Ordering Information
SRM1801 18" Powered Subwoofer, US P/N 0033250-00
SRM1801 18" Powered Subwoofer, EU P/N 0033250-01