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SpeakerCraft
If you do not understand any part of these instructions, please contact your SpeakerCraft dealer. Improper wir-
ing could cause damage to your audio system.
In-Wall Selector
The SpeakerCraft AB-S is an in-wall speaker/amplifier selector. The selector provides the ability to select between
two pairs of speakers that are connected to the same amplifier or between two amplifiers that are connected
to the same speaker pair.
Selector Placement
When deciding where the selector will be mounted in the wall, consider various ways it will be used. The pri-
mary listening area and the ease of running the wire to your chosen location are the important things to keep
in mind. The most common locations to mount selectors are by the door as you walk into the room, next to
your bedside, or in the area that you will be listening to music.
Do not put the selector into the same box as a 110VAC circuit. (i.e. light switch, electrical outlet,
etc.) Speaker wires can act as an "antenna" for electrical noise. Locating speaker wires too close to a light
switch or dimmer may cause a buzzing or popping sound to be heard through the speakers. If you must
locate the AB-S near electrical devices, use a separate electrical box.
Once a location has been chosen, you may install the selector by using a standard single gang plaster ring, or
a single gang electrical box (light switch type).
Wiring the AB-S
(See Figure #1)
Caution: Please make sure your amplifier or receiver
is off before proceeding.
The AB-S features SpeakerCraft's simple connect system. This
system is quicker and more secure than other methods and
eliminates the need for turning small screws.
For best results strip all wire no more than
1
⁄4" from the end.
Push the wire completely into the opening on the connec-
tor then depress the lever using your finger or screwdriver.
This will secure the wire (see Figure #1‑). If you need to
remove the wire simply lift the lever. This can be done with
your finger, but may be easier to use a screwdriver or similar
tool. With the lever lifted, pull the wire out.
Use the following directions when using the selector to choose between 2 pairs of speakers con-
nected to one amplifier.
(Figure #2)
1. Connect the Amplifier:
Connect the amplifier's or
receiver's speaker outputs to
the connector labeled "ampli-
fier", please observe proper
channel and polarity of the
connections (+ from the ampli-
fier to + input on the control,
left channel out to the "L"
side of the connector marked
"amplifier" on the selector).
2. Connect the Speakers:
Connect the wires from one
pair of speakers to one of the
two terminals labeled "Speak-
ers". Connect the wires from
the other pair of speakers to
the remaining terminal labeled "Speakers", please observe proper channel and polarity of the connections
(+ from the speaker to + input on the control, left channel from the speaker to the "L" side of the connector
marked "speaker" on the selector).
Use the following directions when using the switch to choose between 2 amplifiers and one pair
of speakers. (Figure #3)
Figure #1
Figure #2
OWNER’S MANUAL
AB-S
In-Wall A/B Switch
®