Mackie SRM450V2 SRM450v2 SPECIFICATIONS, Audio, Options, Disclaimer, Transducers, Safety Features, Power Amplifiers, Line Input Power, Physical Properties

SRM450v2 SPECIFICATIONS

System Specifications

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

–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

US120 VAC, 60Hz

Recommended amperage service 2.5 amps

Europe230 VAC, 50Hz

Recommended amperage service 1.25 amps

Japan100 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-FreqRoll-OffDynamic, signal-level dependent

Construction Features

Basic Design Asymmetrical Trapezoidal

Enclosure Alignment Sixth-Order

Material	Polypropylene
Finish	Black 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) SPM200 (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.

“Mackie.,” the “Running Man” figure, and “FR Series” are registered trademarks of LOUD Technologies Inc.

All other brand names mentioned are trademarks or registered trademarks of their respective holders, and are hereby acknowledged.