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Congratulation on your choice of the SUB-80X self powered subwoofer system,
one of Earthquake's newest designs in bass reproduction units.
With an integral high-power amplifier - 150 Watts, the SUB-80X subwoofer
combines tight bass extension with high output levels. Acoustically, it is designed
to match typical satellite speaker systems to enhance the over all sound quality
and performance of your system.
Dear Valued Customer,
A) LINE IN RCA - Input jacks, accept up to 1.4 volts of audio input signal (mono
and stereo).
B) LIN OUT RCA - High pass filtered RCA output jacks with left and right line
output signals. The line out RCA's are not functional when the line in signal
(going into the subwoofer) is derived from a sub-filtered output of an external
processor.
C) XOVER FILTER - The 12dB/Octave variable crossover filter is designed to
control the subwoofer cut off frequency (range from: 40Hz to 130Hz).
D) VOLUME CONTROL - Manual adjustment of the sound level of the
subwoofer. Always start at MIN position and slowly increase the volume to reach
the desired subwoofer level.
E) PHASE SHIFT - 0 to 180 degrees subwoofer phase shift switch.
F) POWER SWITCH - For operating the amplifier automatic or manual power on.
In automatic mode, the SUB-80X will turn OFF in 15 minutes if no audio signal is
detected.
G), H) POWER INPUT - The SUB-80X operates in 115V and 230V environments.
A sliding switch located near the power plug allows for both operations.
I) HIGH LEVEL OUTPUT - High pass filtered output terminals designed to power
up stereo satellite speakers.
J) HIGH LEVEL INPUT - Clamp style input terminal, accepts high level audio
input from the main or front system speakers (up to 10 volts).
Key Connection and Controls:
Key Connection and Controls:
I
PHASE
AUTO
POWER
HIGH LEVEL INPUT
VOLUME
CROSSOVER
OFF ON
0
O
180
O
120Hz
80Hz
LEFT
FUSE: 115V, T2A/250V
FUSE: 230V, T1A/250V
LEFT RIGHT
RIGHT
HIGH LEVEL OUTPUT
P O W E R E D S U B W O O F E R
DIGITAL
P O W E R
SUB-80X
1 5 0 W A T T S