AutoTek SM1-150.1 Car Amplifier User Manual


 
SM2-400 / SM2-1000 / SM2-1200 / 2 CHANNEL AMPLIFIER APPLICATIONS
3
FULL RANGE MONO
4. Line Level:
This is the most basic application for the Street Machine Series 2 channel
Refer to the section “Setting up systems after installation for best
amplifiers.
performance”.
1. Interconnect cable checklist:
Connect the LINE INPUTS to the Radio/CD with good quality RCA cables.
NOTE: Minimum final loudspeaker impedances:
2. Crossover Switch:
4 &-2-Ohms stereo mode or 4-Ohms mono mode
The X-OVER switch must be in the FULL position.
This amplifier will not do 1-Ohm stereo or 2/1-Ohm mono operation.
3. Crossover frequency control checklist:
N/A for full range operation.
Switch setting checklist:
This application illustrates the basic mono bridging method for all Street
- The AMPLIFIER X-OVER switch must be in the FULL position.
Machine 2 channel amplifiers.
Crossover frequency control setting checklist:
Interconnect cable checklist:
N/A for full range operation.
A MONO signal source is required, such as would be available from the
mono sub bass output of an active crossover, whether stand alone, or built
TIP: If you are using the mono sub bass output of an active crossover, there
Important:
is nothing wrong with switching in the low pass filter in these amplifiers for a
into a head unit or equalizer. Do not be tempted to connect the
steeper low pass roll-off.
hot, or positive outputs, from any source together to obtain a mono signal, as
this could very well damage the output stage of that source.
It is necessary to feed the SAME signal to both left and right inputs via a Y-
Minimum final loudspeaker impedance:
adapter RCA cable. Connect the mono speaker positive terminal to the
- 4-Ohms mono.
RIGHT +, and its negative terminal to LEFT -.
FULL RANGE STEREO
The HIGH LEVEL inputs are used when the radio/CD player does not have RCA cable outputs. You can connect the radio/CD player speaker wires directly to the
amplifier via the high Level Inputs.
GRAY: CH 1 Speaker Input +
BROWN: CH 1 Speaker input -
Black: Chassis Ground
GREEN: CH 2 Speaker Input -
White: CH 2 Speaker Input +
ORANGE: CH 3 Speaker Input +
PINK: CH 3 Speaker input -
Black: Chassis Ground
BLUE: CH 4 Speaker Input -
YELLOW: CH 4 Speaker Input +
Use this connector for 2 CH amplifiers
Use both connectors for 4 CH amplifiers
GND REM +12V
POWER INPUT FUSE
SPEAKER OUTPUT
LEFT RIGHT
BRIDGED
POWER
PROTECT
- + - +
FULL RANGE
MONO SPEAKER
REMOTE TURN-ON
CHASSIS GROUND
TO BATTERY + 12 volts VIA FUSE
FULL RANGE
MONO LINE INPUT
VIA Y-ADAPTER
FROM MONO SOURCE
LINE OUT LINE INPUT
R R
L L
HI INPUT
5V 0.2V 0dB 12dB 60Hz 1.2KHz 30Hz 250Hz
LEVEL BASS EQ HPF LPF
FULL LPF HPF MONO STEREO
X-OVER MODE
+ - gnd - +
LINE OUT LINE INPUT
R R
L L
+ - gnd - +
HI INPUT
5V 0.2V 0dB 12dB 60Hz 1.2KHz 30Hz 250Hz
LEVEL BASS EQ HPF LPF
FULL LPF HPF MONO STEREO
X-OVER MODE
FULL RANGE
STEREO LINE INPUT
GND REM +12V
POWER INPUT FUSE
SPEAKER OUTPUT
LEFT RIGHT
BRIDGED
POWER
PROTECT
- + - +
REMOTE TURN-ON
CHASSIS GROUND
TO BATTERY + 12 volts VIA FUSE
FULL RANGE
SPEAKERS