Mackie SRM450V2 Benutzerhandbuch

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SRM450v2 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
  
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 incor-
porating 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.
©2003-2011 LOUD Technologies Inc.  
All Rights Reserved.
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)