Power lock, Qbass, Qbass plus – Precision Power DCX 300.4 User Manual
Page 16: Connector here. 4 & 5. qbass, 1 and qbass, 2 freq.: use these switches
2. Cooling Plenums: Maintain a minimum 2” clearance around
cooling plenums for proper amplifier cooling.
DCX 600.4 AND DCX 1000.4 FRONT PLATE DIAGRAM
1. Cooling Plenums: Maintain a minimum 2” clearance around
cooling plenums for proper amplifier cooling.
2. Rear Speaker Connector: Plug in the
PowerLock
TM
connector
here.
3. Front Speaker/Remote Connector: Plug in the
PowerLock
TM
connector here.
4 & 5. QBASS
TM
1 and QBASS
TM
2 Freq.: Use these switches,
QBASS
TM
1
and
QBASS
TM
2
to program the
QBASS PLUS
TM
circuit
frequency.
6. -12dB Attenuation Switch: Push this switch ‘IN’ for high voltage
input (4V-12V) capability. This button must be pushed ‘IN’ for use
with speaker level input on common ground head-units or for high
voltage line drivers.
7. RCA Output: RCA outputs provide HP/LP/FULL 30-4kHz signal
to another amplifier.
8. Rear Inputs: Plug in the rear RCA leads from your source here.
9. Front Inputs: Plug in the front RCA leads from your source input
here.
10. Front Gain: Use this control to match the output level of the
source unit to the front channel of the amplifier.
11. Front Freq. Control: Move this detented control in a clockwise
direction to adjust the front crossover frequency from 30Hz to4kHz.
12. Front HP/LP/FULL Switch: Select the desired crossover
LP
FULL HP
GAIN
MIN MAX
FRONT
FREQ
30
4K
OUTPUT
REAR
R
FRONT
IN
IN
OUT
L
LP
FULL
HP
FREQ
30
4K
LP
FULL
HP
GAIN
MIN MAX
REAR
SOURCE
INT
EXT
QBASS
ATT
2 1
-12dB
FREQ
FR- FR+ REM FL+ FL-
BRIDGED
BRIDGED
RR- RR+ RL+ RL-
FREQ
LP
FULL
HP
30
4K
OUTPUTS
LP
FULL
HP
SOURCE
SUM
REAR
11
12
13
14
15
16
17
18
19
20
21
1
7
8
9
10
5
4
3
2
6
DCX 600.4
DCX 1000.4
Front Panel
15