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Rear Panel Features:
1. Power Mode LED: This LED indicates the power status. If the auto-muting
circuitry is engaged, this LED will be amber if there is no audio signal to the SBX,
and green when the SBX receives a signal. If “Auto-Power” is switched off, then
this LED will remain green.
2. “Level” control knob: This knob controls the amplifier level of the SBX. The gain
range is from minimum to maximum, labeled “Min” and “Max,” with Min being
full attenuation and Max being full volume.
3. Phase control knob: This knob controls phase of the crossover frequencies of
the Subwoofer and the Satellites from 0 to 180 degrees.
4. “Subwoofer” LPF control knob: This knob designates the cutoff frequency of the
SBX using a LPF, or low-pass filter. This setting will determine the highest
frequency that the SBX will reproduce.
5. “Satellites” HPF control knob: This knob determines the HPF, or high-pass filter
cutoff frequency for the Satellite speakers while using the SBX’s Stereo Bass
Management System. The Satellites control knob is functional only when the
HPF Bypass switch is set to Off.
6. Input section: This section provides two balanced XLR inputs and two 1/4” TRS
connectors that may be used for balanced (TRS) or unbalanced (TS) operation.
Either XLR or TRS may be used as your audio input. These inputs are designated
as “L” and “R” for operation in bass management mode. When bass
management is not used, either the L or R input may be used to input signal to
the SBX.
7. Auto Power On/Off Switch: When this switch is set to “On,” Auto Power mode is
engaged. Switching to “Off” will defeat Auto Power mode.
8. HPF Bypass switch: Switching HPF Bypass to “On” will bypass the Satellites HPF
control knob, effectively defeating the SBX’s Stereo Bass Management System.
With HPF Bypass switched off, the “Satellites” HPF cutoff frequency control knob
is engaged and bass management is operational.
9. Output section: This section provides three balanced XLR outputs labeled “Extra
Sub” and “L” & “R.” The Extra Sub output gives you throughput directly from the
inputs for the purpose of connecting an additional subwoofer. The L and R
outputs are to be used for connecting Satellite speakers (your left and right
mains) when using the Bass Management System.
10. Power cable socket: This socket accepts a standard grounded AC cable.
11. Fuse holder: This fuse holder allows the replacement of a fuse for the purpose
of circuit protection.
12. Power On/Off switch: Switching to “On” will power the SBX subwoofer.
Switching to “Off” will power the unit down.
13. Manufacturer’s Label: This section gives the model number and manufacturer
information, including important power requirement information. See section,
“Correct Power Operation.”
14.
V
oltage-Select Switch: Provides 2 selections - 115VAC (120VAC) and 230VAC,
and should be set to match the “house current” (receptacle) voltage of the
country/location in which the speaker is used. The 115V (120V) setting is correct
for the USA and the 230V setting correct for most of the UK and Europe.
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