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11
1) Left Channel Only or Right Channel Only
Information: If you wish to send a left-only
or right-only signal to the M500/3’s main
channels you must use a “Y-Adaptor” to split
the single channel signal into both left and
right RCA inputs of the bridged channel
pair. This option is used when deploying the
M500/3’s main channels to drive left channel
speakers only or right channel speakers only.
2) Left + Right Channel Information: When
bridged and fed by a stereo source signal, the
M500/3’s main channels will automatically
combine the left and right input signals into a
summed mono (left + right) input signal. This
can be useful to drive a center speaker.
SUBWOOFER OUTPUTS
The M500/3’s single subwoofer channel is
designed to deliver power into subwoofer loads
equal to or greater than 2 ohms. It is rated for
300W into 2 ohms, 250W into 3 ohms and 200W
into 4 ohms (Continuous Power, RMS Method).
IMPORTANT
!
Subwoofer loads below 2 ohms nominal are not
recommended and may cause the amplifier
to initiate a protection mode which reduces
power output.
The M500/3’s subwoofer outputs are designed
to accept 16 AWG - 8 AWG wire. To connect
the subwoofer wires to the amplifier, first back
out the set screws on the top of the terminal
block, using the supplied 2.5 mm hex wrench.
Strip 1/2 inch (12 mm) of insulation from the
end of each wire and insert the bare wire into
the terminal block, seating it firmly so that no
bare wire is exposed. While holding the wire in
place, tighten the set screw firmly, taking care
not to strip the head of the screw and making
sure that the wire (not the insulation) is firmly
gripped by the wire clamp in the terminal.
INPUT SECTION
(
L
)
(
R
)
Remote
Level
Control
CH. 1&2 SUB CH. Preouts
+12 VDC Ground Remote
CH. 1
(
L
)
CH. 2
(
R
)
Bridged Mono Subwoofer Output
You will notice that there are two “+” positive
connections and two “–” negative connections.
This is to facilitate multiple subwoofer wiring.
The two positive and two negative connections
are connected in parallel inside the amplifier
They are not stereo outputs. Connecting two
subwoofers, each to one set of positive and
negative terminals, will result in a parallel
subwoofer connection. If only connecting one
pair of subwoofer wires, it is not necessary to use
both sets of connections.
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