Soundstream Technologies 405 Stereo Amplifier User Manual


 
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Front View
6
26-
L
Bottom View
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16.
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KEY TO
CALLOUTS
Fuse
LED
-
Indicates blown power supply fuses when lit.
Power LED
-
Indicates amplifier power.
Low Pass XOVER
Switch -
(Subwoofer Channel) Select “IN” for use with
the internal crossover, or “OUT” for use with external crossover.
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.
Subwoofer Channel Input Select -
Selectable inputs from internal (CH
l-
4) or external (‘SUB”
-
local RCA inputs).
High Pass XOVER Switch
-
(Channels l&2) 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.
Channels
38~4
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
control 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
control for the internal high pass filter.
Speaker Connection Terminal -
Speaker connections for Ch’s
l&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 fre-
quency 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 Chan-
nel.
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 fuses.
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.
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.
7