5
Specifications
Low-Frequency Transducer
Diameter
300mm (12”)
Voice Coil Diameter
63.5mm (2.5”)
Sensitivity (1W@1m)
98 dB
Nominal Impedance
8 ohms
Power Handling
300W
Frequency Range
50Hz – 3000Hz
High-Freq Driver and Horn
Diaphragm Diameter
44.5mm (1.75”)
Exit Throat Diameter
24.5mm (1”)
Diaphragm Material
Titanium
Sensitivity (1W@1m)
106 dB
Nominal Impedance
8 ohms
Power Handling
150W
Frequency Range
1000Hz – 20,000Hz
Low-Freq Power Amplifier
Rated Power
300 watts
Rated THD
< 0.1%
Cooling:
Convection Extrusion
Design:
Class G, Parametric Servo
Feedback
High-Freq Power Amplifier
Rated Power
100 watts
Rated THD
< 0.1%
Cooling:
Convection Extrusion
Design:
Conventional Class AB
System specs
Input Type
Balanced Differential
Input Impedance
Line: 20k ohms
Input Protection
RFI and level protected
Sensitivity
Line: +4 dBu (centered)
Mic: –36 dBu
Maximum Input Level
Line: +22 dBu
Low-Cut Frequency
75Hz, Second-order filter
EQ
P3 dB @ 55Hz,
+3 dB @ 20kHz
Over-Excursion Protection
Second-Order High-Pass
Filter
Thermal Protection
Amplifier shutdown, auto-
reset
Low-Line Voltage Shut Down: 60% Nominal line
Acoustic Freq Response: 45Hz – 20,000Hz
Low-Freq –3 dB Point:
55Hz
Maximum SPL @ 1m:
123 dB
Low-Freq Crossover:
24 dB/octave, time offset
corrected
High-Freq Crossover:
24 dB/octave
Crossover Frequency:
1600Hz
Driver Protection
Independent LF and HF
compressors
Low-Freq Roll-Off:
Dynamic-signal level de-
pendent
Accessory Interface
±15V DC
Operating Temp Range –10ºC - 45ºC (14ºF - 113ºF)
Line Input Power
US
120V, 60Hz
Europe
230V, 50Hz
Japan
100V, 50/60Hz
Disclaimer
Since we are always striving to make our products
better by incorporating new and improved materi-
als, components, and manufacturing methods, we
reserve the right to change these specifications at
any time without notice.
©1999 Mackie Designs Inc.
All Rights Reserved.
