MB QUART RAB 1450 Car Amplifier User Manual


 
55
TECHNICAL DATA
Features
RAB 250
2-CHANNEL
RAB 450
4-CHANNEL
RAB 1450
MONO
Output power rating Watt RMS
(14.4V battery)
4-Ohms
50 x 2 50 x 4 200 x 1
2-Ohms
90 x 2 80 x 4 300 x 1
1-Ohm
450 x 1
Mono bridge at 4-Ohms
180 x 1 160 x 2
Miscellaneous specifications
Slow unmute at turn on (soft start)
Yes Yes Yes
Frequency response, -3 dB
10Hz - 30kHz 10Hz - 30kHz 10Hz - 250Hz
Damping factor
>200 200 >250
Signal to moise ratio (A-weighted)
>95 dB >95 dB >95 dB
THD & N
0.05 % 0.03 % 0.10 %
Channel separation at 1 kHz
>70 dB >70 dB 70 dB
Variable input level control
0.2 V - 6.0 V 0.2 V - 6.0 V 0.2 V - 6.0 V
Input impedance
47 k
Ω 47 kΩ 47 kΩ
Power and diagnostic LED
Yes Yes Yes
Protection:
DC, short, thermal, overload
Yes Yes Yes
Power supply, all MOSFET PWM
Yes Yes Yes
Audio output, all Bipolar
Yes Yes Yes
Crossover and switching
Input selector switch
No Yes No
Channels 1/2
FULL/HP/LP HP/FULL/LP
Variable high pass, 12 dB/octave
10 Hz - 4.8 kHz
50 Hz - 5.0 kHz
Variable Mono low pass, 24 dB/octave
35 Hz - 250 Hz
Bass boost at 45 Hz
0 - 9 dB
Subsonic
10 Hz - 50 Hz
Channels 3/4
HP/FULL/LP
Variable high pass, 12 db/octave
10 Hz - 1.0 kHz
Variable Mono low pass, 24 dB/octave
50 Hz - 5.0 kHz
Bass boost
Connector types
Unbalanced inputs (RCA)
Yes Yes Yes
Line output (RCA)
Selectable Selectable Selectable
Phone jack for remote control
No No Yes
Bass boost remote control Module MBQR-1
No No Yes
Mechanical
Molded power terminal
8-GA (10 mm²) 8-GA (10 mm²) 4-GA (25 mm²)
Molded speaker terminals
8-GA (10 mm²) 8-GA (10 mm²) 8-GA (10 mm²)
Fuse type
ATC ATC ATC
Fuse Size
20 Amp 30 Amp 2 x 25 Amp
Note: All features and specifications subject to change without notice