OPERATION
Power On
Plug your subwoofer’s AC cord into a wall outlet. Do not use the outlets on the back of the receiver.
Initially set the Subwoofer Gain (Volume) Control | to the |
“min” position. |
|
Turn on your sub by pressing the Power Switch | on the rear |
panel. |
|
Auto On/Standby
With the Power Switch | in the ON position, the Power | |
Indicator LED | will remain backlit in red or green to |
indicate the On/Standby mode of the subwoofer.
RED = STANDBY (No signal detected, Amp Off)
GREEN = ON (Signal detected, Amp On)
The subwoofer will automatically enter the Standby mode after approximately 10 minutes when no signal is detected from your system. The subwoofer will then power ON instantly when a signal is detected. During periods of normal use, the Power Switch can be left on. You may turn off the Power Switch for extended periods of nonoperation, e.g., when you are away on vacation.
Adjust Gain
Turn on your entire audio system and start a CD or movie soundtrack at a moderate level. Turn up the Subwoofer Gain (Volume) Control about half way. If no sound emanates from the subwoofer, check the
Set the overall volume control of the preamplifier or stereo to a comfortable level. Adjust the Subwoofer Gain (Volume) Control until you obtain a pleasing blend of bass. Bass response should not overpower the room but rather be adjusted so there is a harmonious blend across the entire musical range. Many users have a tendency to set the subwoofer volume too loud, adhering to the belief that a subwoofer is there to produce lots of bass. This is not entirely true. A subwoofer is there to enhance bass, extending the response of the entire system so the bass can be felt as well as heard. However, overall balance must
be maintained or the music will not sound natural. An experienced listener will set the volume of the subwoofer so its impact on bass response is always there but never obtrusive.
Crossover Adjustments
The Crossover Adjustment Control determines the highest frequency at which the subwoofer reproduces sounds. If your main speakers can comfortably reproduce some
Note: This control will have no effect if the
Phase Control
The Phase Switch determines whether the subwoofer speaker’s
INFINITY ALPHA 1200S | 4 |