Autotek Street Machine SM1-1000 User Manual page 6

SM2-400 / SM2-1000 / SM2-1200 / 2-CHANNEL AMPLIFIER APPLICATIONS
Stereo high pass with mono low-pass in a 2 way active, or bi-amplified system
In this application we will use a 2 channel amplifier for the high frequencies, and
a second one for the low frequencies, or mono sub bass. Please consult the
speaker specifications to determine maximum amplifier power requirements.
Interconnect cable checklist:
Connect the inputs of the HIGHS amplifier to a Radio/CD with good quality RCA
cables. Connect the LINE OUT of the HIGHS amplifier to the inputs of the BASS
amplifier with a stereo RCA to RCA cable.
Mono bass woofer wiring:
Connect the mono speaker positive terminal to the RIGHT +, and its negative
terminal to LEFT -.
Switch setting checklist:
- Highs amplifier: X-OVER switch in the HPF position.
- Lows amplifier: X-OVER switch in the LPF position.
Crossover frequency control checklist:
Highs amplifier:
- HI PASS: 100 Hz
- LOW PASS: N/A
FULL RANGE
STEREO LINE INPUT
INTERCONNECT
4
2 CHANNEL
HIGHS AMPLIFIER
STEREO
RCA CABLE
2 CHANNEL
SUB BASS AMPLIFIER
Lows amplifier:
- HI PASS (Subsonic filter): 10 Hz to 40 Hz
- LOW PASS: 100 Hz
Please note that these frequency points are suggestions only. Refer to the
loudspeaker manufacturer specifications and the section "Setting up systems
after installation for best performance"
Level control checklist:
- Refer to the section "Setting up systems after installation for best performance"
Minimum final loudspeaker impedances:
- 2-Ohms per channel stereo.
- 4-Ohms mono bridged.
STEREO
HIGHS
SPEAKERS
TO BATTERY +12 Volts VIA FUSE
REMOTE TURN-ON
CHASSIS GROUND
MONO BASS
SPEAKER
TO BATTERY +12 Volts VIA FUSE
REMOTE TURN-ON
CHASSIS GROUND