MB Quart RAB 1450 Manual De Usuario

MB Quart

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 kΩ

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 speciﬁ

cations subject to change without notice