JBL ATX40, ATX60, ATX10C, ATX30, ATX100S, ATX20 manual Volume, Crossover Frequency

Page 9

 

Volume

Subwoofer playback level can

information on fine-tuning

 

 

 

 

be adjusted using the rear panel

Volume and Crossover

 

 

 

 

Volume control. For detailed

Frequency, see page 6.

 

Subwoofer

 

 

Subwoofer

 

 

 

 

 

 

 

 

Crossover

 

 

Level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Crossover Frequency

 

 

 

 

The crossover frequency knob

Experiment with this adjustment

puts, the best result will be

determines the highest

to find the crossover frequency

obtained with the control at the

frequency your subwoofer will

that sounds best in your room.

150 Hz“ position.

reproduce. It allows a seamless

For subwoofers used with

 

 

 

 

 

 

transition from the subwoofer

Surround Sound processors

 

 

 

to the satellite speakers.

with dedicated subwoofer out-

 

 

 

 

 

 

T R O U B L E S H O O T I N G

 

 

 

 

 

If there is no sound from any of the

center speaker is not in phantom

• Review proper operation of your

 

speakers:

mode.

receiver/amplifier and its surround-

 

• Check that receiver/amplifier is on

• If your receiver/processor is set in

sound features.

 

and a source is playing.

Dolby Digital or DTS® mode, make

• Make sure the movie or TV show you

 

• Check that the powered subwoofer is

sure the receiver/processor is con-

are watching is recorded in a sur-

 

plugged in, its Power switch is

figured so that the center speaker is

round-sound mode. If it is not, check

 

switched to the “ON” position.

enabled.

to see if your receiver/amplifier has

 

• Check all wires and connections

 

other surround modes you may use.

 

between receiver/amplifier and

If the system plays at low volumes but

• In Dolby Digital or DTS® modes, make

 

speakers. Make sure all wires are

shuts off as volume is increased:

sure your receiver/processor is con-

 

connected. Make sure none of the

• Check all wires and connections

figured so that the surround speakers

 

speaker wires are frayed, cut or

between receiver/amplifier and

are enabled.

 

punctured.

speakers. Make sure all wires are

• Review the operation of your DVD

 

• Review proper operation of your

connected. Make sure none of the

player and the jacket of your DVD to

 

receiver/amplifier.

speaker wires are frayed, cut or

make sure that the DVD features the

 

 

punctured.

desired Dolby Digital or DTS® mode,

 

If there is no sound coming from one

• If more than one pair of main speak-

and that you have properly selected

 

speaker:

ers is being used, check the minimum

that mode using both the DVD play-

 

• Check the “Balance” control on your

impedance requirements of your

er’s menu and the DVD disc’s menu.

 

receiver/amplifier.

receiver/amplifier.

 

 

 

 

 

• Check all wires and connections

If there is low (or no) bass output:

 

 

 

 

 

between receiver/amplifier and

 

 

 

 

 

speakers. Make sure all wires are

• Make sure the connections to the left

 

 

 

 

 

connected. Make sure none of the

and right “Speaker Inputs” have the

 

 

 

 

 

speaker wires are frayed, cut or

correct polarity (+ and –).

 

 

 

 

 

punctured.

• Make sure the subwoofer is plugged

 

 

 

 

 

• In Dolby Digital or DTS® modes, make

into an active electrical outlet.

 

 

 

 

 

sure that the receiver/processor is

• Make sure the powered subwoofer is

 

 

 

 

 

configured so that the speaker in

plugged in and switched on.

 

 

 

 

 

question is enabled.

• In Dolby Digital or DTS® modes, make

 

 

 

 

 

If there is no sound from the center

sure your receiver/processor is con-

 

 

 

 

 

 

 

 

 

 

figured so that the subwoofer and LFE

 

 

 

 

 

speaker:

output are enabled.

 

 

 

 

 

• Check all wires and connections

 

 

 

 

 

 

between receiver/amplifier and

If there is no sound from the surround

 

 

 

 

 

speaker. Make sure all wires are con-

speakers:

 

 

 

 

 

nected. Make sure none of the

• Check all wires and connections

 

 

 

 

 

speaker wires are frayed, cut or

between receiver/amplifier and

 

 

 

 

 

punctured.

speakers. Make sure all wires are

 

 

 

 

 

• If your receiver/processor is set in

connected. Make sure none of the

 

 

 

 

 

Dolby Pro Logic mode, make sure the

speaker wires are frayed, cut or

 

 

 

 

 

 

punctured.

9

 

 

 

 

 

 

 

 

 

 

 

Image 9
Contents ATX20/30/40/60/10C/100S ATX SeriesThank YOU for Choosing JBL Object and Liquid Entry. Never push Damage Requiring Service. Do notSurround Speakers Placement Speaker PlacementFront Speakers ConnectionsService General CareSubwoofer With LFE Connection Phase Control Auto-On Signal SensingOther Connections Speaker Level Connection Tips Speaker ConnectionsLine Level Crossover Frequency Volume10C Center 100S Subwoofer Specifications