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Rear Panel Descriptions and Fuctions
1. POWER switch – The power switch has three positions: OFF - AUTO - ON. While the OFF and ON positions
are self-explanatory, the AUTO position instructs the Sub-1200 to remain in STANDBY mode until the unit
receives an input signal.
NOTE: If the Sub-1200 unit does not receive an input signal for approximately 10 minutes, it will switch to
stand by mode until it receives a further signal.
2. PHASE SWITCH – This switch toggles the PHASE of the subwoofer with respect to the main speakers. If the
subwoofer is out of phase with the main speakers, bass response is at a reduced performance level and may
sound "weak". When all speakers are in phase, full-frequency response is at an optimal level.
(see pg.10 for more info.)
3. LEVEL – This control adjusts the subwoofers MASTER output level. Turn clockwise to INCREASE and
counter-clockwise to DECREASE level.
4. CROSSOVER – The CROSSOVER control adjusts the Sub-1200’s low-pass frequency filtering for subwoofer
output. Available low-pass settings are: 20 Hz, 40 Hz, 80 Hz and 120 Hz.(see pg.10 for more info.)
5. LINE OUT jacks – These jacks provide a LINE-LEVEL connection to external mixers/amplifiers with line level
RCA inputs.
6. LINE IN jacks – These jacks provide a LINE-LEVEL connection from external devices with line level RCA
outputs.
7. HI-LEVEL IN jacks – These MDP binding posts are for direct connection of speakers or speaker output from
an external amplifier.
NOTE: These inputs are typically used for connecting to a system that does not have "pre-out" or line level
outputs available.
8. HI-LEVEL OUT jacks – These MDP binding posts are for direct connection to main system speakers.
9. VOLTAGE SELECTOR – The VOLTAGE SELECTOR selects the amplifier to run on either 115V or 230V.
NOTES: PLEASE ENSURE THIS CONTROL IS SET CORRECTLY BEFORE PLUGGING IN AND
POWERING ON THE SUB-1200. IF THIS CONTROL IS NOT SET CORRECTLY PRIOR TO USING THE
SUB-1200, YOU MAY DAMAGE THE UNIT AND VOID YOUR WARRANTY. SELECT 115V FOR NORTH
AMERICAN BASED POWER AND 230V FOR EUROPEAN BASED POWER.
10. AC MAINS terminal – For connecting the Sub-1200 to your AC outlet.
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CAUTION
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
115V
230V
OFF
0
PHASE 180
POWER
AUTO
LEVEL
LINE OUTLINE IN
CROSSOVER
FREQUENCY
ON
R
L
+ +- -
LEFT RIGHT
HI LEVEL IN
+ +- -
LEFT RIGHT
HI LEVEL OUT
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