Caution# 1 : The ignition key switch should be turned off before any con- High Level lnput
nections are made to the car electrical system. These input terminals are only to be used when connecting a car stereo unit
Caution#2: The last connection to be made should be that between the that has built-ln a amplifier and does not have lme level (or preamp level)
positive terminal of the car battery and the " + B" terminal on output jacks (or wires). Connect the output wires that would normally be con-
the CA260. nected to the speakers to these terminals. Be careful to connect the car
Connect the CA260 to the car electrical system and to the other components stereo's positive output wires to the CA260's positive input terminals
in the audio system as per the following ~nstructions: If the car stereo's negative output wires are actually ground wires, they can
Remote be twisted together and connected to the CA260's high level negative (-
terminal.
This terminal enables the power switch of the car stereo or tunerldeck to
also turn on the CA260. Connect it to the appropriate wire on the car stereo However, if the car stereo unit has a power rating of more than 8 watts per
or tunerldeck channel (with low distortion), is likely it that its negative output wires are not
If a specific wire for this purpose is not provided, use the wire for controlling actually ground wires, but instead are "live." In this case, do not connect
the power antenna. If that wire is already connected to the power antenna, these wires to the CA260 at all. Instead, connect a wire from the chassis
the CA260 can be connected In addition of the car stereo unit to the CA260's negative high level input terminal. If
electrical noise results from this connection method, contact the Harman
Should no power antenna wire be provided, an SPST (Single-Pole. Single-
Throw) switch and a pair of wires can be connected between the remote Kardon service department for a special bulletin regarding this matter.
terminal and the " + B" terminal. When the switch is closed, the CA260 will Note: The line Input sensitivity switch must be set to the "low" position when
turn on. the h~gh level lnput termlnals are connected
+B Line Level lnput Jacks
The + B terminal is the positive power input terminal. It should be connect- These input terminals are for connection the line to level (or preamp) output
ed to the positive ( + ) terminal of the car battery by the enclosed 12 gauge jacks on the car stereo or tunerldeck is It recommended that hlgh quality
wire or an equivalent type. It is good practice to add a line fuse near the bat- shielded coaxial cables with tight-fitting RCA plugs be used for this connection.
tery terminal to protect the battery from a short circuit along the wire. Line lnput Sensitivity Switch
GND
This switch matches the line input sensitivity the of CA260 to the line output
This is the negative power input terminal should It be connected directly level of the car stereo or tunerldeck. If the rated output level is equal to or
to the car chassis by a short, heavy gauge wire. is It not necessary to con- more than 0.8 volts (800 millivolts), set this switch in the "low" position.
nect this terminal to the negative battery terminal.
Otherwise, set it in the "high" position.
Speaker Systems If the line output level of the car stereo or tunerldeck is not known, assume
For a conventional stereo system with one or two speaker systems per chan- that it is more than 0.8 volts. When operating the total system, if it is neces-
nel, connect the speaker systems to these termlnals Be careful to connect sary to turn the volume control of the car stereo or tunerldeck to maximum
the positive speaker terminals to the positive CA260 terminals. not Do con- in order to obtain a desired listening level, then the line output level is likely
nect the negative speaker terminals to the car chassis to be less than 0.8 volts, and the line input sensitivity switch should be put
When one pair of speakers is used, each one may have an impedance in in the "high" position.
the range of 2 - 8 Ohms and a power rating of at least 60 watts If two palrs
of speakers are used, each one may have an impedance in the range of 4 - 8
Ohms and a power rating of at least 45 watts. |
ACEC
