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Power LED
-
Indicates amplifier power.
Subsonic I Hawkins Bass Control Switch
-
Select “SUB SONIC” to engage the
Sub Sonic filter at 13 Hz. Select “HAWKINS BASS CONTROL” to engage the
subwoofer channel’s high pass filter
@
45 Hz with variable “Q” for optimum bass.
Low Pass XOVER Switch
-
(Subwoofer Channel) Select
YN”
for use with the internal
crossover, or “OUT,, for use with external crossover.
Subwoofer Channel Input Select
-
Selectable inputs from internal (CH
l-4)
or ex-
ternal (“SUB”
-
local RCA inputs).
Mid-Bass/Midrange Select
-
Selectable mid-bass or midrange frequency control in
3-way operation.
High Pass XOVER Switch
-
(Channels l&Z) Select “IN” for use with the internal
crossover or “OUT” for use with external crossover.
High Pass XOVER Switch
-
(Channels
3&4)
Select “IN” for use with the internal
crossover or “OUT” for use with external crossover.
Rear Fill
Deamphasis
Switch
-
(Channels
3&4)
Select “IN” to activate 6 dB/Octave
filter
@
7
kHz.
Channels
3&4
Input Select
-
Selectable inputs from internal (CH
l&2)
or external
(CH
3&4
local RCA inputs).
Inputs
-
Right and left channel RCA inputs for channels
3&4.
Input Level
-
Channels
3&4
input level control.
High Pass Filter Control Adjustment
-
(Channels
3&4)
crossover frequency con-
trol for the internal high pass filter.
Speaker Connection Terminal
-
Speaker connections for Ch’s
3&4.
Inputs
-
Right and left channel RCA inputs for channels
l&2.
Input Level
-
Channels
l&2
input level control.
High Pass Filter Control Adjustment
-
(Channels
l&2)
crossover frequency con-
trol for the internal high pass filter.
3,way Filter Control Adjustment
-
Channels
l&2
3-way high pass crossover fre-
quency control and channels 3&4 3-way low pass crossover frequency control.
Speaker Connection Terminal
-
Speaker connections for Ch’s
18~2.
Inputs
-
Right and left channel RCA inputs for the subwoofer channel.
Input Level
-
Subwoofer channels input level control.
Low Pass Filter Control Adjustment
-
(Subwoofer Channel) crossover frequency
control for the internal low pass filter.
Hawkins Bass Control “Boost” Adjustment
-
Varies from 0 to
+9
dB
of boost when
the Hawkins Bass Control is engaged.
Speaker Connection Terminal
-
Speaker connections for Subwoofer Channel.
REMOTE
-
Remote turn-on input from the head unit. Accepts
+12V.
GND
-
Main ground connection. Bolt to a clean chassis point in the vehicle.
+12V
-
Connected to a fuse or circuit breaker, then to the battery’s positive terminal.
Main Fuse
-
Main power supply fuse.
Stereo/Mono Switch
-
(Channels
l&2)
Select “MONO” for bridged mono output in 3
channel operation (use right RCA input only). Select “STEREO” for stereo output in
5 channel operation.
2-way
I
3-way
Switch
-
(Channels
l&2)
Select
“2-way”
for 2-way internal crossover.
Select
“3-way”
for
3-way
(band pass) internal crossover.
Stereo/Mono Switch
-
(Channels
3&4)
Select “MONO’ for bridged mono output in 3
channel operation (use right RCA input only). Select “STEREO” for stereo output in
5 channel operation.
2-way
I
3-way Switch
-
(Channels
l&2)
Select “2-way” for 2-way internal crossover.
Select
“3-way”
for 3-way (band pass) internal crossover.
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