Loudspeakers

Powered Mackie SRM 450 Full Range Loudspeakers

Description:

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.

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)