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Fathom SA
-600W
SYSTEM CONNECTION DIAGRAM 6:
Connecting one SA-600W to a
Receiver via the High Level Inputs
The SA-600W features high level
inputs designed to accept the output
of an amplified source, such as a stereo
receiver’s speaker outputs. The use of this
feature is only recommended when no
suitable line-level signal is available.
When connecting a single SA-600W
in mono to a two-channel receiver’s
speaker outputs, you will use both the
Left and Right connections on the “HIGH
LEVEL INPUTS” plug of the SA-600W.
Use good quality speaker cables (up to 12
AWG/3 mm
2
) to make these connections.
Make sure you capture all the wire strands
in each connector port and do not allow
any of these wires to short together.
You can make the connections to the
SA-600W’s “HIGH LEVEL INPUTS”
at the receiver’s output terminals, or
at the main speakers, whichever is
more convenient. On receivers with
A/B speaker circuit selectors, you can
connect the SA-600W to the “B” outputs,
giving you the ability to easily switch the
SA-600W’s signal on and off with the
receiver’s speaker circuit selector switch.
The input section of your SA-600W
will sum the left and right inputs to mono
and you may use its onboard crossover
(XO) to apply low-pass filtering. Because
the main speakers are being fed in parallel
with the “HIGH LEVEL INPUTS” of the
SA-600W, they continue to operate as full-
range speakers. Any adjustment to the
crossover function (XO) will only affect
the sound of the subwoofer(s) connected
to the SA-600W’s “SUBWOOFER
OUTPUTS”.
Note: It is vital to observe correct
electrical polarity of each channel’s
input signal. Failure to do so can
result in no output, loss of signal and
poor performance.
OR
OR
SPEAKER
OUTPUTS
SPEAKER
OUTPUTS
STEREO RECEIVER
STEREO RECEIVER
R
L
TO SATELLITE
SPEAKERS
HIGH LEVEL
INPUT PLUG
HIGH LEVEL
INPUT PLUG
(L)
(R)
+
–
+
–
R
L
+
–
+
–
TO SATELLITE
SPEAKERS
(R)
(L)
SA-600W REAR CONNECTIONS
SA-600W REAR CONNECTIONS
