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Fathom SA
-600W
Page 14
CONNECTING YOUR SA-600W
Line Inputs
The SA-600W features individual left and right unbalanced RCA-type input
connectors. If you are connecting with a mono signal, use either the “L” or “R” input.
The SA-600W uses special isolation circuitry on the “LINE INPUTS” to mitigate
hum and noise in your system.
For the RCA connector, the tip is positive and the sleeve is negative. The input
impedance of the amplifier is 50k ohms.
High Pass Outputs
The SA-600W features individual, left and right, unbalanced RCA-type output
connectors to feed a second amplifier. These outputs can be used in two distinct ways.
Crossover On: High-Pass Filtered Outputs
When the SA-600W’s onboard crossover is engaged, the “HIGH PASS
OUTPUTS” will deliver a high-pass filtered signal according to the frequency
and slope (12 or 24 dB per octave) configured in its crossover (XO) settings. This
output creates a true, two-way crossover between your subwoofer and main
stereo speakers. By removing low frequencies from the satellites, you
can create a seamless blend with your subwoofers, enhancing midrange
clarity and dynamics, with improved overall system response. This is
the correct way to add a subwoofer to your stereo system.
Note: You must supply separate left and right channel stereo inputs to the SA-
600W in order to have high-pass filtered, stereo outputs from its “HIGH PASS
OUTPUTS”. If you supply only one channel of input to the SA-600W, only the
line output corresponding to the input with signal will deliver a high-pass filtered
signal (the other line output will have no signal). If you are using two SA-600Ws
in a two-channel system, you can assign one SA-600W to the left stereo channel
and the other SA-600W to the right stereo channel, using only one “LINE
INPUT” and one “HIGH PASS OUTPUT” per SA-600W.
Crossover Off: Pass-Through Outputs
When the SA-600W’s onboard crossover is defeated, the “HIGH PASS
OUTPUTS” will deliver a pass-through, buffered signal that is identical to the
signal feeding the SA-600W’s “LINE INPUTS”. This is useful to feed other
equipment located nearby and most often used in Home Theater systems
where Bass Management is provided by the receiver or preamp/processor.
FUSE
FUS
E
Warranty void if serial number is removed, altered or defaced.
120 V ~ 60 Hz
F 6A H 250V
FUSE
FUS
E
Warranty void if serial number is removed, altered or defaced.
120 V ~ 60 Hz
F 6A H 250V
