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SpeakerCraft – 1-800-472-5555 – 1-707-778-5733
2 Channel, BridgeaBle Power amPlifiers
INSTALLATION CONSIdERATIONS
BRIdGEd mOdE
The SpeakerCraft 2-Channel Amplier bridged mode switch allows you to create
a more powerful amplier by combining both channels into one (8 ohm minimum).
Stereo mode is the factory default setting.
In the bridged mode, connect the speakers to the left red positive terminal and
the right red positive terminal. In the bridged mode the right channel’s red terminal
becomes positive and the left channel’s red terminal becomes negative.
DO NOT USE THE BLACK NEGATIVE (-) TERMINALS. THE SIGNAL IS AT THE RED
POSITIVE (+) TERMINALS ONLY.
The line level input signal must connect to the left channel input of the amplier
when using bridged mode.
mULTIpLE SpEAkER LOAdS
The SpeakerCraft 2-Channel Amplier is stable into very low impedance loads.
This means you can safely operate three pairs of 8 ohm speakers (a 2.67 ohm load)
directly connected to the amplier. Note that the 2-Channel Amplier does not have
on/off speaker switching built in. When the amplier is on, so are all of the speakers.
SpeakerCraft makes a number of different speaker selection and impedance
matching systems. Speaker selection systems allow each pair of speakers to be
turned on and off from your equipment location (or even via remote control). That
way, you know that the speakers in the bedroom are off so you can avoid waking
a sleeping spouse! These speaker selectors provide an easy way to terminate all
of the wires for more than three pairs. Testing and troubleshooting a new system is
much easier with the individual room labels and on/off switches of a SpeakerCraft
speaker selection system. Additionally, SpeakerCraft speaker selection systems
offer impedance matching features which will allow you to connect up to ten pairs
of speakers to your SpeakerCraft 2-Channel Amplier.
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