JBL Portable Speaker LSR6312SP User Manual

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᭤ LSR6312SP Linear Spatial Reference Powered Studio Subwoofer System
Switch 5 adjusts the low frequency spectrum to com-
pensate for the boundary conditions that exist when a
subwoofer is placed against a wall or in a corner. Switch
5 reduces the output level below 50 Hz by 2 dB.
Discrete and bypass operation of the subwoofer can be
switched via a remote control plugged into a ¼" jack on
the rear of the enclosure. Shorting the ring and tip will
remove highpass filtering from the left, center, and right
inputs, thus sourcing the subwoofer from the direct input
only.
For compatibility with film industry playback standards,
a +10 dB LFE sensitivity is provided and engaged by a
push-on/push-off switch on the rear electronics panel.
This operates only on the Direct input, and its purpose is
to restore proper level to the LF effects channel, which
may have been previously attenuated by 10 dB during
program processing.
RMC™ Equalization
The LSR6312SP includes JBL’s exclusive RMC™ Room
Mode Compensation circuitry for final matching of the
system response to the room’s acoustics. RMC consists of
a single parametric cut-only equalizer that is individually
tuned to attenuate to the dominant room mode peak in
the system’s response, thus making the overall room
response linear. A kit including a small sound level meter,
test CD and a Q template, and a remote bypass switch
accompanies each system. Switch 6 defeats the RMC
function. The remote bypass switch is connected to the
LSR6312SP RMC remote bypass ¼" jack via a 2-conductor
cable.
LSR6312SP
Linear Spatial Reference
Powered Subwoofer
JBL PROFESSIONAL
Northridge, CA. USA
Serial No:
Assembled in USA
WARNING!
AVIS!
!
SHOCK HAZARD DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
See Owners Manual for Set-up and Safety Precautions
WARNING: To Reduce Risk of Fire or Electric Shock
Do Not Expose This Equipment to Rain or Moisture
Input Trim Active
+4 dBu Input Sensitivity
+8 dBu Input Sensitivity
Signal Polarity Inverted
-4 dB Bass Alignment
RMC Defeat
Left In
Right In
Left Out
Center OutCenter In
Right Out
Sub-Direct In
Option Active
With Switch Up
I
0
0 dB
+10 dB
With Differential Drive® Transducer Technology
U.S. Patent Nos. 5,748,760 and 5,828,767
Other U.S. and Foreign Patents Pending
Nominal Configuration
Input Sensitivity: -10dBV
Bass Alignment:
Flat
Polarity: Normal
RMC: Defeated
Make-up
Gain
RMC
Remote
Bypass
Switch
RMC
Width
Depth
Frequency
24
Hz
96
Hz
0
-14
dB
0
+ 6
dB
See RMC Instructions before enabling
Bypass
LCR
Closed Contact: L-C-R Signals
Pass Straight Through Without Filtering
Sub Driven by "Sub-Direct" Input Only
Open Contact: L-C-R Signals
High Passed. Sub Driven by Summed Low
Passed L-C-R Signals plus "Sub Direct"
Input
Tr im
Out
Summed
Sensitivity
0
dB
Cut

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