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Connection
30
30
890! @
^ &$%#
8 Fuse (30 A × 2)
9 Battery terminal
0 Ground terminal
! Power control terminal
Controls the unit ON/OFF.
Controls the unit power. Be sure to connect
it with all the systems.
@ 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 2Ω or greater.
When multiple speakers are to be
connected, ensure that the combined
impedance is 2Ω 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 9 and the RIGHT
channel · SPEAKER OUTPUT terminals.)
The speakers to be connected should
have an impedance of 4Ω or greater.
When multiple speakers are to be
connected, ensure that the combined
impedance is 4Ω or greater.
The rated input of the speakers should be
no less than the maximum output of the
amplifier. Otherwise malfunction may
result.
# RCA cable ground lead terminal
When using an RCA cable with a ground
lead attached, connect the ground lead to
this terminal.
$ LINE IN terminal
% LINE OUT terminal
The signal that’s input from the line input
terminal is output.
^ REMOTE terminal (KAC-7251
only)
Connects the Remote cable.
Use the Remote cable of the accessory.
& Speaker level input terminals
• The genuine-accessory car stereo shall
have a maximum power output of no
more than 40 W.
• Do not connect the speaker output leads
from a power amplifier (Optional) to the
speaker level input terminals of this unit,
for this may cause malfunction or
damage.
• Do not connect cables and leads to both
RCA cable input jacks and the speaker
level input terminals simultaneously, for
this may cause malfunction or damage.
•Connect the power control lead to a
power supply which can be turned
ON/OFF by the ignition key switch (ACC
line). With this connection, shock noise
may be generated when the power of the
genuine-accessory car stereo is switched
ON/OFF.
NOTE
NOTE
2CAUTION
NOTE
■ Terminal names
KAC-7251/7201(KE) 1English 02.11.14 10:30 AM Page 6