Kenwood KAC-816 Instruction Manual page 4

Controls
Operations of the following control and switches are required in accordance with
the center unit and speakers connected with this unit.
FUSE(20A)
20
FUSE(20A)
20
15Hz
OFF 25Hz
INFRASONIC
7
1 FUSE (20 A 2)
2 Battery terminal
3 Ground terminal
4 Power control (REMOTE) terminal
5 Speaker output terminals
As this unit accepts speakers with a minimum impedance of 2 ohms, connect speakers with
2-ohm or higher impedance to these terminals.
2CAUTION
The rated input of the speakers should be no less than the maximum output of the amplifier.
Otherwise malfunction may result.
6 SIGMA SERVO FEED BACK terminals (See p.8)
2CAUTION
Be sure to make proper connections to the SIGMA SERVO FEED BACK terminals. Incorrect
connection may result in lack of sound output or other malfunctions.
7 INFRASONIC FILTER switch
Ultralow frequencies that cannot be reproduced even by a subwoofer speaker do not become
sound but become unnecessary oscillations, which affect the sound by causing distortion,
etc. Setting this switch to "15 Hz" or "25 Hz" cuts the frequencies below the respective
frequency.
This improves the reproduction performance of the speakers by eliminating unnecessary
oscillations which will not become sound.
8 LOW PASS FILTER FREQUENCY control
This control adjusts the frequency band output from this unit.
9 INPUT SENSITIVITY control
Set this control according to the pre-output level of the center unit
connected with this unit, or to the maximum power output of the
genuine-accessory car stereo.
Use the diagram on the right as a guide.
NOTE
For the pre-output level or the maximum power output, refer to the
"Specifications" in the instruction manual of the center unit.
4
POWER IN
GND
BATT
P.CON(REMOTE)
4
1 2 3
LPF INPUT
LINE IN
FREQUENCY(Hz) SENSITIVITY(V)
0.5 R
L
150
100
0.3
1
GND
70
2
3
4
50 200 5 0.2
8 9 0 !
SERVO SERVO
SPEAKER OUTPUT
5 6
SPEAKER LEVEL INPUT
LEFT RIGHT
@
MONO
POWER AMPLIFIER
10
0.5
15
0.3
1
2
3
4
0.2
25 5 (V)
(W)