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STAGE A100P/A120P
OWNER'S MANUAL
Powered Subwoofer • Caisson de graves actif • Subwoofer alimentado
• Leistungsstarker Subwoofer • Subwoofer alimentato • パワード･サブウー
ファー • 강력한 서브우퍼 • Subwoofer alimentado • Aktiv subwoofer
• Aktiivinen alibassokaiutin • Aktiv subwoofer • Aktiv subwoofer
• Aangedreven subwoofer • Aktywny głosnik niskotonowy • 通電式重低音喇叭
• 有源低音扬声器 • Subwoofer bertenaga • Активный сабвуфер
STAGE A100P/A120P
Powered Subwoofer
A120P/A100P
THANK YOU FOR CHOOSING THIS JBL® PRODUCT
Your new JBL® powered subwoofer incorporates a high-performance
transducer and built-in amplifier that delivers the powerful, dynamic and
accurate low-frequency performance that makes your film soundtracks
and music come alive. And with adjustable crossover, phase controls
and automatic turn on/off, it is also simple to connect and set up.
We're confident that this JBL subwoofer will provide every note of
enjoyment that you expect – and that when you think about purchasing
additional audio equipment for your home, car or office, you will once
again choose JBL products.
This quick-start guide contains all the information you need to set up,
connect and adjust your new subwoofer. For more in-depth information,
go to our web site: www.jbl.com.
INCLUDED ITEMS
4X
1X
Note: Type of power plug varies by regions.
OWNER'S MANUAL
2
SUBWOOFER REAR-PANEL CONTROLS AND CONNECTION
1) Power 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
and will return to the Standby mode when no audio signal is detected
after approximately 10 minutes. Setting this switch to 'On' keeps the
subwoofer powered until Power Switch is turned 'Off.'
2) 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 blue, the subwoofer is turned On.
• When the LED glows red, the subwoofer is in the Standby mode.
3) Phase Switch:
This switch determines whether the subwoofer transducer's piston-
like action moves in and out in phase with the main speakers. 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.
4) 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 and the more its bass will “overlap”
that of the speakers. This adjustment helps achieve a smooth transition of
bass frequencies between the subwoofer and the speakers for a variety of
different rooms and subwoofer locations.
5) Volume:
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) Subwoofer (LFE Input):
Connect the subwoofer to the dedicated subwoofer / LFE output of a
receiver/processor.
7) 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.
8) Power Input:
After you have made and verified the subwoofer's input connection, plug
the power cord into an active, unswitched electrical outlet for proper
operation of the subwoofer.
DO NOT plug the power cord into the accessory outlets found on some
audio components.
www.jbl.com 3
English
PLACING THE SUBWOOFER
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 (1) generally will maximize amount of bass in the
room. However, corner placement 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 (2) can produce 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 (LFE)
TO A RECEIVER OR PREAMP/PROCESSOR WITH PREAMP OUTPUTS
Front Left
Speaker
Center
Speaker Front Right
Speaker
Surround Left
Speaker
Surround Right
Speaker
SUBWOOFER
INPUT
Receiver/Processor
Receiver/Processor
SUBWOOFER LFE
OUT
NOTE: This subwoofer / LFE cable is not included, but
can be purchased from an electronics retailer.
• Be sure to turn the Crossover on the subwoofer fully
clockwise when using this type of connection. This type
of setting bypasses the subwoofer's internal crossover
and uses your receiver or processor's crossover.
• Check your receiver or processor menu settings and set
the subwoofer selection to 'On' or 'Yes.'
Please be sure to review the owner's manual for your
receiver or processor for more information on speaker
setup and configuration.
SUBWOOFER
INPUT
PREAMP
OUTPUT
NOTE: This special subwoofer / LFE cable is not included,
but can be purchased from an electronics retailer. An
RCA Y-Adapter cable can also be used to make this type
of connection.
• We recommend setting the subwoofer's Crossover
setting to 80Hz for mid-sized speakers, higher for
smaller (satellite) speakers, and lower for larger
floorstanding speakers.