Kenwood KAC-848 Instruction Manual page 5

4-channel power amplifier
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SPEAKER OUTPUT terminals
• Stereo Connections:
When you wish to use the unit as a stereo
amplifier, stereo connections are used.
The speakers to be connected should
have an impedance of
2Q
or greater.
When multiple speakers are to be
connected, ensure that the combined
impedance is 2
Q
or greater for each
channel.
• Bridged Connections:
When you wish to use the unit as a high-
output monaural amplifier, bridged
connections are used. (Make connections
to the LEFT channel (+) and the RIGHT
channel (-) SPEAKER OUTPUT terminals.)
The speakers to be connected should
have an impedance of 4£1 or greater.
When multiple speakers are to be
connected, ensure that the combined
impedance is 4Q or greater.
ACAUTION
The rated input of the speakers should be
no less than the maximum output of the
amplifier. Otherwise malfunction may
result.
® Speaker level input terminals
(KAC-748 only)
® FREQUENCY control
When the FILTER switch is set to the HPF
(High-Pass Filter) or LPF (Low-Pass Filter)
position, the threshold frequency can be
adjusted with this control.
® FILTER switch
High-pass or low-pass filtering can be
applied to the speaker output according to
the setting of this switch.
® OPERATION switch
The amplification methods of the signals
input to amplifiers A and B can be selected
independently according to the setting of
this switch.
• STEREO position:
The amplifier can be used as a stereo
amplifier.
• L+R position:
The input left and right signals are
combined before being amplified. Use this
position when the unit is used for
subwoofer speakers or the L+R (monaural)
sound is required.
• MONO (Lch) position:
Amplifies the signal input from the left side
only. Set to this position and make bridged
,
connections to use as a high-power
monaural amplifier. (The input right signal is
not output.)
© 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.
KAC-748 only.
NOTE
|
For the pre-output level or the maximum
power output, refer to the "Specifications"
in the instruction manual of the center unit.
© RCA cable ground lead terminal
® INPUT SELECTOR switch
This switch selects the input method of the
signals to be amplified by amplifiers A and
GDCB
K)
. .
INPUT SELECTOR
• A B position:
Amplifies both of the signals input to
amplifiers A and B.
• A position:
Amplifies only signal input amplifier A with
both amplifiers A and B.
@
Amplifier A UNE IN terminal
©
Amplifier B UNE IN terminal
®
LINE OUT terminal
These jacks output respectively the signals
input to amplifiers A and B. They always
output the stereo signals regardless of the
position of the OPERATION switch.
/
English
5

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