Product
Powered Mackie SRM 450 Full Range Loudspeakers
SRM450 provides 400 watts of amazing sonic clarity through two robust drivers: a 12" woofer and a 1.75" tweeter. Spoken word is crystal clear, and music has maximum punch while retaining nuance. In addition to their full-range frequency coverage, these speakers provide wide-dispersion sound coverage thanks to their specially designed, wave-guiding enclosure.The SRM450 has its own, perfectly matched, perfectly bi-amped internal power, meaning you'll always get the most volume and fidelity for your wattage.
product Features:
- SRM450 SPECIFICATIONS
- Line Input Power
- US 120 VAC, 60Hz
- Recommended amperage service 2.5 amps
- Europe 230 VAC, 50Hz
- Recommended amperage service 1.25 amps
- Japan 100 VAC, 50/60Hz
- Recommended amperage service 3.0 amps
- AC Connector 3-pin IEC 250 VAC
- 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-Freq 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 lb/18 kg
- Options
- PA-A1 forged shoulder eyebolt hardware (M10 x 1.5 mm x 20 mm)
- SPM100 (Speaker Pole Mount)
- Disclaimer
- Since we are always striving to make our products better by incorporating
- new and improved materials, components, and manufacturing
- methods, we reserve the right to change these specifications at any time
- without notice.
- trademarks of LOUD Technologies Inc.
- All other brand names mentioned are trademarks or registered
- trademarks of their respective holders and are hereby acknowledged.
- Frequency Response (3 dB)
- 55 Hz 18 kHz
- Frequency Range (10 dB)
- 45 Hz 20 kHz
- Directivity Factor; Q (DI)9.95 (9.98), averaged 2 kHz to 10 kHz
- Max SPL Long-term @ 1m
- 124 dB
- Max SPL Peak @ 1m 127 dB
- Crossover Linkwitz-Riley,
- 24 dB/octave @ 1600 Hz
- Audio
- Input Type Balanced Differential
- Input Impedance 20 kohms
- 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
- 10C to 45C (14F to 113F)
- 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 transducers 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 90 (1 kHz-20 kHz)
- Vertical Coverage 45 (2.8 kHz-20 kHz)