Infinity Reference SUB R12 Bruksanvisning

Infinity Subwoofer Reference SUB R12

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Owner’s Manual
SUB R10
SUB R12
INFINITY REFER EENC SUBWOOFERS
SUBWOOFER REAR-PANEL CONTROLS AND CONNECTIONS
1) Crossover Control: This control determines the highest frequency at which the
subwoofer reproduces sounds. The higher you set the Crossover control, the higher in
frequency the subwoofer will operate, allowing it to mate better with smaller speaker
systems that output less bass on their own.
2) Phase Switch: This switch determines whether the subwoofer transducer's piston-like
action moves in and out in phase with the applied signal. If the subwoofer were to play out of
phase with the main speakers, the sound waves from the main speakers could partially cancel
out the sound waves from the subwoofer, reducing bass performance and sonic impact. This
phenomenon depends in part on the placement of all the speakers relative to the listening
position and to each other in the room as well as the satellite amplifier phase.
3) LF Trim: The LF Trim switch has a range of 0 to +4dB and by default is set at 0. You will
want to adjust this setting depending on your personal preference, equipment, the location of
the subwoofer, and room acoustics.
4) Power On Mode: When switched to 'Auto' position, the subwoofer will then be in
Standby mode. It will automatically turn 'On' when an audio signal is detected at its inputs,
and will return to the Standby mode when no audio signal is detected by its inputs after
approximately 10 minutes. Otherwise, subwoofer will always remain powered until Power
Switch is turned 'Off.'
5) Subwoofer Level: Use this control to adjust the subwoofer’s volume. Turn the knob
clockwise to increase the volume; turn the knob counterclock-wise to decrease the volume.
6) On/Standby LED: When the Power switch is in the ‘On’ position, this LED indicates
whether the subwoofer is in the On or Standby state.
• When the LED glows green, the subwoofer is turned on.
• When the LED glows red, the subwoofer is in the Standby mode.
7) Line In/LFE Input Connectors:
• When you’re connecting the subwoofer to the dedicated subwoofer output of a
receiver/processor that has its own low-pass crossover network, use the LFE Input
connector. When using this input, remember to also set the Crossover Control to ‘LFE’.
• When you're connecting the subwoofer to the preamp or subwoofer outputs of a
receiver/processor that does not have its own low-pass crossover network, use both Line
In connectors. If your receiver/processor only has one subwoofer output you can use either
Line In connector.
8) Power Switch: Set this switch in the ‘On’ position to turn the subwoofer on.
If you will be away from home, or will not be using the subwoofer for an extended period, set
this switch in the ‘Off’ position to conserve energy.
9) Power Cord: After you have made and verified the subwoofer’s input connections, plug the
power cord into an active, unswitched electrical outlet for proper operation of the subwoofer.
DO NOT plug the power co d into the accessory outlets found on some audio components.r
SUB R10/R12
INFINITY REFERENCE SUBWOOFERS
2
+ +
PLACING THE SUBWOOFER
Front Left
Speaker
TV
Center
Speaker Front Right
Speaker
Surround Left
Speaker
Surround Right
Speaker
1.
2.
3.
The performance of a subwoofer is directly related to its placement in the listening room and its physical
position relative to the other speakers in the system.
While it is true that in general our ears do not hear directional sounds at the low frequencies where
subwoofers operate, when installing a subwoofer within the limited confines of a room, the reflections,
standing waves and absorptions generated within the room will strongly influence the performance of any
subwoofer system. As a result, the specific location of the subwoofer in the room does become important to
the amount and quality of bass that is produced.
For example, placing the subwoofer next to a wall generally will increase the amount of bass in the room;
placing it in a corner ( ) generally will maximize amount of bass in the room. However, corner placement 1
can also increase the destructive effect of standing waves on bass performance. This effect can vary
depending on the listening position – some listening positions may yield very good results while others
may have far too much (or too little) bass at certain frequencies.
In many rooms, placing the subwoofer along the same plane as the left and right speakers ( ) can produce 2
the best integration between the sound of the subwoofer and that of the left and right speakers. In some
rooms, the best performance could even result from placing the subwoofer behind the listening position ( ).3
We strongly recommend that you experiment with placement before choosing a final location for your
subwoofer. One way you can determine the best location for the subwoofer is by temporarily placing it in
the listening position and playing music with strong bass content. Move around to various locations in the
room while the system is playing (putting your ears where the subwoofer would be placed), and listen until
you find the location where the bass performance is best. Place the subwoofer in that location.
CONNECTING THE SUBWOOFER
TO A RECEIVER OR PREAMP/PROCESSOR WITH A LOW-PASS FILTERED DEDICATED SUBWOOFER OUTPUT
TO A RECEIVER OR PREAMP/PROCESSOR WITH PREAMP OUTPUTS
SUBWOOFER
LFE OUT
PREAMP
OUTPUT
Receiver/Processor
Receiver/Processor
INFINITY REFERENCE SUBWOOFERS 3

Produktspecifikationer

Varumärke: Infinity
Kategori: Subwoofer
Modell: Reference SUB R12

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