Mackie SRM450 V2 SRM450V2 用户手册
产品代码
SRM450V2
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SRM450v2
PRECISION ACTIVE
LOUDSPEAKER
SRM450v2 SPECIFICATIONS
Acoustic Performance
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
124 dB @ 1 m
Max SPL peak
127 dB @ 1 m
Crossover Point
Linkwitz-Riley, 24 dB/octave @ 1600 Hz
Input / Output
Input / Thru Type
Balanced Differential
Input Impedance
20 k
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
Low-Frequency Power Amplifier
Rated Power
300 watts rms*
Rated THD
< 0.1%
Cooling
Convection Extrusion
Design
Class D, Parametric Servo Feedback
High-Frequency Power Amplifier
Rated Power
100 watts rms*
Rated THD
< 0.1%
Cooling
Convection Extrusion
Design
Conventional Class AB
*Rated power is continuous rms wattage into transducer’s
rated impedance @ 5kHz for the HF amplifier and @ 500Hz
for the LF amplifier.
Low-Frequency Transducer
Diameter
12 in / 305 mm
Voice Coil Diameter
3 in / 76 mm
High-Frequency Transducer
Diaphragm Diameter
1.75 in / 44 mm
Diaphragm Material
Heat treated titanium
Horn Design
Type
Conical and Exponential
Mouth Size
12 in / 305 mm (W) x 7 in / 178 mm (H)
Throat Diameter
1 in / 25 mm
Horizontal Coverage
90º (1 kHz - 20 kHz)
Vertical Coverage
45º (2.8 kHz - 20 kHz)
Line Input Power
US, JP
100 - 120 VAC, 50 - 60 Hz
EU, UK, AU
200 - 240 VAC, 50 - 60 Hz
AC Connector
3-pin IEC 250 VAC
Power Consumption
300 watts
Control System Function
Electronic Crossover, Phase Alignment, Equalization, Parametric EQ
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
Finish
Black, textured finish
Handles
One on each side, one on top
Grille
Perforated metal with weather-resistant coating
Display LEDs
Signal Present, Peak, Power ON, and Thermal
Operating Temperature
–10ºC - 45ºC
14ºF - 113ºF
Physical Properties (packaged product)
Height
26.5 in / 673 mm
Width
16.8 in / 427 mm
Depth
15.5 in / 394 mm
Shipping Weight
46.0 lb / 20.9 kg
Physical Properties (product)
Height
26.1 in / 663 mm
Width
16.0 in / 406 mm
Depth
14.8 in / 376 mm
Net Weight
40.0 lb / 18.1 kg
Mounting Methods
Floor mount, pole mount, or fly via 10 integrated M10 threaded
inserts (two each located on each side, top, bottom and rear of
enclosure)
inserts (two each located on each side, top, bottom and rear of
enclosure)
Options
PA-A1 Forged Shoulder Eyebolt Kit
P/N 0031943
SPM200 Loudspeaker Pole Mount
P/N 2035170-01
SRM450v2 Speaker Bag
P/N 0002843
Ordering Information
SRM450v2 12" 2-way Compact SR Loudspeaker, US P/N 2033799-00
SRM450v2 12" 2-way Compact SR Loudspeaker, EU P/N
SRM450v2 12" 2-way Compact SR Loudspeaker, EU P/N
2033799-01
SRM450v2 12" 2-way Compact SR Loudspeaker, JP P/N
2033799-02
SRM450v2 12" 2-way Compact SR Loudspeaker, UK P/N
2033799-03
SRM450v2 12" 2-way Compact SR Loudspeaker, AU P/N
2033799-04