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3
CONNECT THE BALANCED BRIDGING OUTPUT ADAPTER TO THE TWO
BLACK OUTPUT TERMINALS
Connect one end of the Balanced Bridging Output Adapter to a black out-
put terminal on one of the two channels to be bridged together, and then
connect the other end of the Output Adapter to a black output terminal on
the other channel. Make sure these connections are snug and secure. (If
you need to use two channels of a different spacing—for example, two
center channel in different amplifiers—you can use a heavy gauge speaker
wire for this purpose.)
4
CONNECT YOUR LOUDSPEAKER WIRE ACROSS TWO RED OUTPUT TERMI-
NALS, ONE TO EACH OF THE TWO CHANNELS BEING BRIDGED
Please read the following carefully:
Connect the po/red binding post of your loudspeaker to the red
output terminal associated with the red (normal) side of the Input Adapter.
Connect the negative/–/black binding post of your loudspeaker to the
red
output terminal on the other side of the amplifier, the one associated with
the black (inverted) side of the Input Adapter.
Following this connection convention preserves the polarity of the signal
sent to the loudspeaker. In practice, the most important thing is to be con-
sistent throughout the system, as inconsistency will result in out-of-phase
loudspeakers. In turn, this results in unstable imaging and poor bass repro-
duction. (The effect is not dangerous, but neither is it desirable.)
5
CONNECT ONE OUTPUT CHANNEL OF YOUR PREAMPLIFIER TO THE IN-
PUT OF YOUR BRIDGED AMPLIFIER
The female XLR at the junction of the Balanced Bridging Input Adapter is
now the
single
input to this
bridged
pair of amplifier channels.
6
POWER UP YOUR AMPLIFIER
Plug the amplifier back into the AC mains; press the
power
button to turn
on the amplifier.
7
REPEAT THIS PROCESS WITH YOUR OTHER AMPLIFIER(S)
Single-Ended Bridging
If your preamplifier has only single-ended (RCA) outputs, a few details of
bridged operation will differ from the discussion above, all pertaining to the con-
nection of the preamp to the bridged amplifiers. For this discussion, we will as-
sume that you are using a Madrigal Single-Ended Bridging Kit for each channel to
be bridged. (Alternatively, you may have custom cables built using your preferred
wire and connectors, being careful to follow the wiring diagram below.)
Содержание Five Channel Amplifier
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