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Fathom SA
-600W
HOME THEATER SUBWOOFER SETUP
Once you have adjusted the controls on your home theater receiver or preamp/
processor and your SA-600W to the above recommendations, you may apply the
optional D.A.R.O. (Digital Automatic Room Optimization) system to optimize
performance. Note: Use of the D.A.R.O. feature requires the optional JL Audio
D.A.R.O. Calibration Microphone (sold separately).
In some systems, the SA-600W amplifier will be installed away from the
listening environment. For these cases, the D.A.R.O. microphone cable may
not be long enough to perform the Calibration.
To facilitate Calibration with the SA-600W amplifier in the listening room,
a pair of alligator clips are included to connect to the subwoofer’s speaker
terminals. This will allow the user to temporarily connect the amplifier to the
enclosure for Calibration, even after the enclosure is permanently installed
in the wall cavity. To use, disconnect the enclosure’s speaker leads from the
subwoofer and use the alligator clips to connect the SA-600W’s outputs to the
subwoofer’s speaker terminals.
1) Applying Digital Automatic Room Optimization (D.A.R.O.)
You are now ready to apply the power of JL Audio’s exclusive Digital
Automatic Room Optimization (D.A.R.O.) system. This system will measure the
response of the subwoofer at your primary listening seat and apply a powerful
equalizer to tame the peaks caused by room modes, resulting in smoother, more
accurate bass performance.
a) Set the “Power” switch to the “on” position.
b) Remove the calibration microphone from its protective pouch and connect
its cable to the “MIC” jack on the SA-600W’s front control panel.
Note: D.A.R.O. Calibration is only possible when the JL Audio test
microphone is plugged in to the SA-600W front panel. The “Calibrate” feature
is disabled with no microphone plugged in to prevent accidental loss of
settings.
c) Connect the microphone to the other end of the mic cable and temporarily
place the mic in the primary listening seat. If you have a microphone stand,
you can place the microphone at head height and position in the primary
listening seat.
d) From the SA-600W’s User Interface, go to “DARO”, select “ON”, then
select “Calibrate”. A 5 second countdown will begin with “Position Mic”
displayed, indicating that the Calibration routine will begin in 5 seconds.
e) Within 5 seconds of selecting “Calibrate”, return to your primary listening
seat and hold the microphone in your normal, seated head position at the
approximate height of your ears.
