Parametric bass eq pre-amp x-over – MB QUART Q1.1500D User Manual
Page 4

Features
Q4.80 / Q4.150 / Q1.1500D
Q4.80
Q4.150
Q1.1500D
3
- CLIP INDICATOR:
 - GREEN = Pre-Clip
 - AMBER = Soft Clip
 - RED = Hard Clip
- LEVEL: Variable sensitivity from 0.2V to 9V
- BASS BOOST: Variable bass boost from 0dB to 12dB
- BASS FREQUENCY: Frequency to be boosted, variable from 30Hz to 80Hz
- HIGH PASS:
 - CH3&4: 
- MULTIPLIER FREQUENCY: Available for CH1&2 only and variable selector
 for x15 or x1 the selected HIGH PASS value
 - FILTER SLOPE: Roll off for HIGH PASS on CH1&2, selectable at 6dB or 12dB
- CROSSOVER:
 - CH3&4:
 - LP-BP MONO: Selected when bridging CH3&4 on subwoofers 
 - LP-BP STEREO: Selected when running CH3&4 in stereo on subwoofers
 - HP-FULL: Selected when running CH3&4 in stereo for full range speakers
 - CH1&2: 
 - DUPE (3&4): Bypasses all variables on CH1&2 and duplicates settings from CH3&4
 - HP-FULL: 
Variable HIGH PASS filter from 15Hz to 1KHz
 - CH1&2: Variable HIGH PASS filter from 20Hz to 300Hz
 
Selected when running CH3&4 in stereo for full range speakers
- PROTECT: Red LED which indicates PROTECTION
- POWER: Green LED which indicates the amplifier is “ON”
- INPUT MODE: 
 - 4CH: Selected when two sets of RCA’s are being connected to CH1&2 and CH3&4
 - 2CH: Selected when only one set of RCA’s are being connected to CH1&2. The amp
 will automatically provide signal to CH3&4 but there will be no FADE from front to
 rear on your headunit controls. 
- CLIP INDICATOR:
 - GREEN = Pre-Clip
 - AMBER = Soft Clip
 - RED = Hard Clip
- LEVEL: Variable sensitivity from 0.2V to 9V
- Q-LINK: Allows linking of two Q1.1500D amplifiers to produce 3KW rms @ 2-Ohms
 - INPUT SLAVE: Selected when amplifier is being linked as SLAVE and receiving
 signal from the MASTER amplifier. When in INPUT SLAVE position all other
 adjustments are bypassed
 - OUTPUT MASTER: Selected when amplifier is being linked as MASTER and
 providing signal to the SLAVE amplifier. This amplifiers’ adjustments now
 control both amps
- PHASE SHIFT: Adjustable time alignment from 0 to 180 degrees
- SUBSONIC: Variable from 15Hz to 35Hz
- LOW PASS: Variable from 35Hz to 200Hz
- BASS BOOST: Variable bass boost from 0dB to 12dB
- BASS FREQUENCY: Frequency to be boosted, variable from 30Hz to 80Hz
- BANDWIDTH: Range of frequencies to be boosted
 - Variable from WIDE to NARROW. WIDE includes less frequencies to be boosted
 while NARROW includes more frequencies to be boosted above and below the
 selected frequency
- PROTECT: Red LED which indicates PROTECTION
- POWER: Green LED which indicates the amplifier is “ON”
CROSSOVER
INPUT MODE
4CH 2CH
CROSSOVER
PROTECT
POWER
LEVEL
CLIP INDICATOR
CLIP INDICATOR
GREEN-
PRE CLIP
GREEN-
PRE CLIP
AMBER-
SOFT CLIP
AMBER-
SOFT CLIP
RED-
HARD CLIP
RED-
HARD CLIP
LEVEL
BASS BOOST
BASS BOOST
BASS FREQUENCY
HIGH PASS
LOW PASS
MULTIPLIER
FREQUENCY
FILTER SLOPE
HIGH PASS
CHANNELS 1&2
CHANNELS 3&4
9V
0dB
9V
0dB
30Hz
15Hz
40Hz
0.2V
12dB
X15 X1
6dB 12dB
DUPE HP-FULL
(3&4)
LP-BP LP-BP HP-FULL
MONO STEREO 
(x1) 20Hz 300Hz
(x15) 300Hz 4.5KHz
0.2V
12dB
80Hz
1KHz
4.5KHz
INPUT OUTPUT
SLAVE MASTER
PROTECT
POWER
CLIP INDICATOR
CONTROL
GREEN-PRE CLIP
AMBER-SOFT CLIP
RED-HARD CLIP
LEVEL
BASS BOOST
PARAMETRIC BASS EQ
PRE-AMP X-OVER
PHASE SHIFT
BANDWIDTH
BASS FREQUENCY
SUBSONIC
Q-LINK
LOW PASS
0dB
9V
0
WIDE
30Hz
15Hz
35Hz
12dB
0.2V
180
NARROW
80Hz
35Hz
200Hz
