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Mackie SRM1801 Powered PA SubwooferThe Mackie SRM1801 Powered Subwoofer effortlessly delivers 1000 watts of room-shaking Class-D power in a lightweight portable design. The 18 inch woofer delivers superior output and active electronics include a precision crossover and tuning filters, providing amazingly accurate bass response. The robust, solid-wood enclosure is covered with high-durability textured black paint and includes an integrated pole cup that’s a perfect fit for your Mackie SRM450v2. Ideal for small clubs, DJs or any portable sound reinforcement application, the SRM1801 completes a lightweight, easy-to-use Mackie powered system.
Mackie SRM1801 Powered Subwoofer Features
- 1000W of ultra-efficient Class-D Fast Recovery amplification
- Mackie Active electronics provide total system optimization
- Precision crossover (125Hz)
- Tuning filters for accurate bass response
- 18-inch woofer delivers superior output and low- frequency extension
- Dual XLR inputs for mono or stereo applications
- Stereo high-pass and full range outputs
- User-adjustable level and polarity controls
- Individual power, signal, OL, and thermal protect indicators
- Pole receptacle for mounting full-range loudspeakers
- Solid plywood enclosure with high-durability, textured black paint
- Extremely lightweight and portable (73 lbs / 33.1 kg)
Mackie SRM1801 Powered Subwoofer Specifications
Acoustic Performance
- Frequency Range (-10dB): 35 Hz - 150 Hz
- Frequency Response (-3 dB): 50 Hz - 115 Hz
- Max Peak SPL (calculated): 129 dB
- Max Peak SPL (measured): 124 dB
Transducer
- Diameter: 18 inches / 457 mm
- Voice Coil Diameter: 3 inches / 76 mm
- Diaphragm material: Paper
- Magnet material: Ferrite
Power Amplifier
- Rated Power: 500 watts rms, 1000 watts peak
- THD: <0.1%
- Design: Class D
- Cooling: Convection
Input/Output
- Input Type: Female XLR Balanced differential (stereo left/right)
- Input Impedance: 20,000 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/octave Linkwitz-Riley
- Crossover Frequency: 125 Hz
Protection Features
- Over-excursion Protection: 40 Hz 24 dB/octave Butterworth High Pass Filter
- Thermal Protection: Amplifier mute, auto reset
- Driver Protection: Peak/RMS Limiter
- Display LEDs: Thermal, OL, Signal, Power
AC Power Requirements
- USA: 100-120 VAC, 50-60 Hz; Fuse T 6.3A H 250V
- Europe: 220-240 VAC, 50-60 Hz; Fuse: T 3.14A H 250V
- Power Consumption: 160 watts @ 1/4 power
- 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
- Height: 24.1 inches / 612 mm
- Front Width: 20.2 inches / 513 mm
- Rear width: 15.1 inches / 383 mm
- Depth: 25.3 inches / 643 mm
- Weight: 73 lb / 33.1 kg
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