| SRM450V2 Pack |
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- Two Mackie SRM450 V2 Speakers
- 2-way bi-amplified, optimized Active loudspeaker system
- High-output precision titanium compression driver
- Neodymium long-throw low frequency transducer with 3-inch voice coil
- Servo Feedback controlled woofer for tight low-end punch
- 300W class-D, Fast Recovery LF amp / 100W HF amp
- Ultra-wide, smooth dispersion via multi-cell horn aperture and HF waveguide
- Built-in phase-accurate 24dB Linkwitz-Riley electronic crossover
- Mackie Active Electronic time alignment, phase correction and EQ for studio quality sound
- Mic/line input and pass-thru connector
- Lightweight for ultimate portability (40 lbs)
- Flyable, Pole Mountable, Floor Wedge-able
System Specs
- Frequency Response (–3 dB): 55 Hz – 18 kHz
- Frequency Range (–10 dB): 4 5 Hz – 20 kHz
- Directivity Factor; Q (DI): 9 .95 (9.98), averaged 2 kHz to 10 kHz
- Maximum SPL Long-term @ 1m: 124 dB
- Maximum SPL Peak @ 1m: 127 dB
- Crossover: Linkwitz-Riley, 24 dB/octave @ 1600 Hz
Audio
- Input Type: Balanced Differential
- Input Impedance: 20kOhms
- Input Protection: RFI and level protected
- Sensitivity:
- Line: +4 dBu (center detent)
- Mic: –36 dBu
- Maximum Input Level: +22 dBu
- Low-Cut Frequency: 75 Hz, Second-order filter
- Acoustic Contour Equalization: Peaking:
- +3 dB @ 100 Hz
- +3 dB @ 12 kHz
- Operating Temperature Range: –10ºC to 45ºC (14ºF to 113ºF)
Power Amplifiers
- Low-Frequency Power Amplifier:
- Rated Power: 300 watts*
- Rated THD: < 0.1%
- Cooling: Convection Extrusion
- Design: Class D, Parametric Servo Feedback
- High-Frequency Power Amplifier:
- Rated Power: 100 watts*
- Rated THD: < 0.1%
- Cooling: Convection Extrusion
- Design: Conventional Class AB
- Rated power is continuous RMS wattage into transducer’s rated impedance @ 5 kHz for the HF amplifier and @ 500 Hz for the LF amplifier.
Transducers
- Low-Frequency Transducer:
- Diameter: 12 in (300 mm)
- Voice Coil Diameter: 3.0 in (75 mm)
- Sensitivity (1W@1m): 98 dB
- Nominal Impedance: 8 ohms
- Power Handling: 600 Watts, program
- Frequency Range: 45 Hz – 3 kHz
- High-Frequency Transducer:
- Diaphragm Diameter: 1.75 in (44.5 mm)
- Diaphragm Material: Heat treated titanium
- Sensitivity (1W@1m): 106 dB
- Nominal Impedance: 8 ohms
- Power Handling: 100 watts, program
- Frequency Range: 1 kHz – 20 kHz
- Horn Design:
- Type: Conical and Exponential
- Mouth Size: 12 in (304.8 mm) (W) x 7 in (177.8 mm) (H)
- Throat Diameter: 1 in (25.4 mm)
- Horizontal Coverage: 90º (1 kHz–20 kHz)
- Vertical Coverage: 45º (2.8 kHz–20 kHz)
Line Input Power
- US: 120 VAC, 60Hz
- Recommended Amperage Service: 2.5 amps
Control System Function
- Electronic Crossover
- Phase Alignment
- Equalization
- Parametric Equalization
Safety Features
- Over-Excursion Protection: Second-Order High-Pass Filter
- Thermal Protection: Amplifier shutdown, auto-reset
- Low-Line Voltage Shut Down: 60% Nominal line
- Driver Protection: Independent LF and HF compressors
- Low-Frequency Roll-Off: Dynamic, signal-level dependent
Construction Features
- Basic Design: Asymmetrical Trapezoidal
- Enclosure Alignment: Sixth-Order
- Material: Polypropylene
- Finish: Midnight Blue, textured finish
- Handles: One on each side, one on top
- Mounting Methods:
- Integrated mounting points, M10
- Two each located on each side, top, bottom, and rear of enclosure
- Grille: Perforated metal with weather-resistant coating
- Display: LEDs Signal Present, Peak, Power ON, and Thermal
Physical Properties
- Height: 26.0 in (660 mm)
- Width: 15.4 in (390 mm)
- Depth: 14.8 in (376 mm)
- Weight: 40 lbs. (18 kg)
- Two Speaker Stands
- FREE Speaker Cables!
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