Troubleshooting

If there is no sound from any of the speakers, check the following:

Receiver/amplifier is on and a source is playing.

Powered subwoofer is plugged in and is either in the “On” or “Auto” position.

Check all wires and con- nections between receiver/ amplifier and speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, or punctured.

Review proper operation of your receiver/amplifier.

If there is no sound coming from one speaker, check the following:

Check the “Balance” control on your receiver/amplifier.

Check all wires and con- nections between receiver/ amplifier and speakers. Make sure all wires are connected.

Make sure none of the speaker wires are frayed, cut, or punctured.

If the system plays at low volumes but shuts off as volume is increased, check the following:

Check all wires and con- nections between receiver/ amplifier and speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, or punctured.

If more than one pair of main speakers is being used, check the minimum imped- ance requirements of your receiver/amplifier.

If there is low bass output, check the following:

Make sure the connections to the left and right “Speaker Inputs” have the correct polarity (+ and –).

Make sure that the sub- woofer is plugged into an active electrical outlet.

Powered subwoofer is plugged in and is either in the “On” or “Auto” position.

If there is no sound from the surround speakers, check the following:

Check all wires and con- nections between receiver/ amplifier and speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, or punctured.

Review proper operation of your receiver/amplifier and its surround sound features.

Make sure the movie or TV show, you are watching is recorded in Dolby surround. If it is not, check to see if your receiver/amplifier has other surround modes you may use.

Specifications

SCS120 System

sat20

bass20

Frequency Response

Recommended Power

Amplifier

40Hz – 20kHz (±3dB)

10 – 120 watts

150 watts RMS

Frequency Response

120Hz – 20kHz (±3dB)

Frequency Response

40Hz – 120Hz (±3dB)

 

Impedance

Crossover Frequency

 

8 ohms nominal

120Hz (subwoofer to satellite)

 

Sensitivity

Bass

 

90dB @ 1 watt/1 meter

Dual 8" woofers, bass reflex

 

Crossover Frequency

enclosure

 

3.5kHz (midrange to tweeter)

Dimensions (HxWxD)

 

Tweeter

17-3/4 x 10 x 24 inches

 

One 3/4" titanium composite

451 x 254 x 610mm

 

dome, video-shielded

Weight

 

Midrange

42 lbs/19.1 kg

 

Two 3-1/2" neodymium

 

Refinements may be made on

drivers, video-shielded

 

occasion to existing products

Dimensions (HxWxD)

 

without notice, but will always

14 x 4-3/8 x 6 inches

 

meet or exceed original speci-

356 x 111 x 152mm

 

fications unless otherwise

Weight

 

stated.

3.5 lbs/1.6 kg

 

Page 7
Image 7
JBL setup guide Troubleshooting, Specifications, SCS120 System Sat20 Bass20

SCS120 specifications

The JBL SCS120 is a versatile subwoofer that brings an impressive audio experience to both music and home theater setups. Known for its exceptional sound quality and attractive design, this unit delivers deep, powerful bass that enhances the overall listening experience.

One of the standout features of the JBL SCS120 is its compact form factor, which allows it to fit seamlessly into various environments, whether it’s a living room, a dedicated theater space, or a smaller apartment. Despite its smaller size, the subwoofer is engineered to provide high-level performance, ensuring that it can fill larger spaces with effective sound.

The SCS120 features a 12-inch driver, which is the heart of its performance. This driver produces robust low-frequency sounds, offering an immersive experience for users. The subwoofer is designed to handle high power levels, allowing it to reproduce deep bass notes without distortion, even at high volumes.

Incorporating advanced technologies, the JBL SCS120 utilizes a built-in amplifier that delivers quality sound while ensuring efficiency. The amplifier provides ample power to the driver, enabling it to reach impressive volume levels and maintain clarity in sound reproduction. This synergy between the driver and amplifier is crucial in achieving high-fidelity audio that meets the expectations of audiophiles.

The SCS120 also incorporates a frequency response range that allows it to cover the essential low-end frequencies. This capability is essential for home theater systems, where sound effects often rely on deep bass tones to create an engaging atmosphere. Furthermore, the adjustable crossover frequency lets users customize the subwoofer's output to match the other speakers in their audio setup, creating a well-balanced sound profile.

Another notable characteristic of the JBL SCS120 is its sleek, modern design. Available in a classic black finish, it blends effortlessly with various décor styles. The build quality is robust, ensuring longevity and consistent performance over time.

In conclusion, the JBL SCS120 subwoofer stands out due to its combination of compact design, powerful performance, and advanced technologies. It is an excellent choice for those looking to enhance their audio experience, whether for music or movies. With its impressive features and characteristics, the JBL SCS120 is a remarkable addition to any sound system.