Mackie SRM450

Mackie SRM450 Version 1

Price: 25,00€
Size: Lcm x Wcm (LxW)


System Acoustic

Frequency Response (–3 dB) Frequency Range (–10 dB) Directivity Factor; Q (DI)
Max SPL Long-term Max SPL Peak
Low Frequency Section
Number of Drivers Woofer Diameter Voice Coil Diameter Power Handling Sensitivity Frequency Range Magnet Type

Construction Features

55 Hz-18 kHz
45 Hz-20 kHz
9.95 (9.98), averaged 2 kHz to 10 kHz
124 dB
12 in/300 mm
2.5 in/63 mm
450 watts rms (long term)1 98 dB (1W@1m)
15 Hz to 3000 Hz
127 dB Linkwitz-Riley, 24 dB/octave @ 1600 Hz

Acoustic Contour Equalization (peaking) +3 dB @ 100 Hz +3 dB @ 12 kHz

Accessory Interface ±15 VDC, normalized signal I/O

320W with musical program and Peak LED blinking

230 VAC, 50Hz 1.25 amps

3-pin IEC 250 VAC


Total Amplifier Power High Frequency
Rated THD

Low Frequency Type
Rated THD

*Rated power is continuous rms wattage into transducer’s rated impedance @ 1 kHz for the HF amplifier and @ 100 Hz for the LF amplifier

–10°C to 45°C (14°F to 113°F)

400 watts continuous* 100 watts* Class AB .03% 300 watts* Class G with parametric servo feedback 0.03%

High Frequency Section

Diaphragm Size Horn Exit Diameter Power Handling Sensitivity Frequency Range Nominal Impedance Diaphragm Material Magnet Type

Horn Design

Horizontal Coverage Vertical Coverage Type
Mouth Size

Throat size

1.75 in/44.5 mm
1.0 in/24.5 mm
100 watts rms (long term)1 106 dB (1W@1m)
1000 Hz to 20 kHz
8 ohms
Damped titanium Ferrite

90° 1 kHz to 20 kHz avg. 45° 2.8 kHz to 20 kHz avg. Exponential and conical 12.0 in x 7.0 in/

30.5 cm x 17.8 cm 1.0 in/2.5 cm

Low Frequency Dynamic Bass Protection, Independent LF and HF Compressors, Power Supply and Amplifier Thermal Protection

Signal Present, Peak, Power ON, and Thermal (Cool Down Auto Reset)

26.0 in/660 mm 15.4 in/390 mm 14.8 in/376 mm 51.0 lb/23.2 kg

PA-A1 Eyebolt (M10 x 1.5 mm x 20 mm)