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Altec Lansing CS21 manual System Specifications, Power Requirements

Models: CS21

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SYSTEM SPECIFICATIONS

 

Sound Pressure Level (SPL):

108 dB

 

POWER REQUIREMENTS

 

 

 

Total Continuous Power:

110 Watts RMS

 

USA, Canada and applicable

 

 

 

Front Speakers:

30 Watts/channel @ 8 ohms

 

Latin American countries:

120 V AC @ 60 Hz

 

 

 

 

 

 

 

@ 10% THD @ 140 – 20000 Hz

 

 

 

 

 

 

 

 

 

 

 

 

2 Channels Loaded

 

Europe, United Kingdom,

 

 

 

Subwoofer:

50 Watts @ 4 ohms

 

applicable Asian countries,

 

 

 

 

@ 10% THD @ 27 – 113 Hz

 

Argentina, Chile and Uruguay:

230 V AC @ 50 Hz

 

 

Single Channel Loaded

 

 

 

 

 

 

 

ETL/cETL/CE/NOM/IRAM Approved

 

 

 

 

 

 

 

 

 

System Response:

35 Hz – 18 kHz (-10dB)

 

 

 

 

 

Signal to Noise Ratio

 

 

 

 

 

 

@ 1 kHz input:

> 86 dB

 

 

 

 

 

 

 

 

 

 

 

 

Drivers (per Satellite):

1" tweeter and

 

 

 

 

 

 

3" full-range driver

 

 

 

 

 

 

 

 

 

 

 

 

Subwoofer Driver:

One 6.5" long-throw woofer

 

 

 

 

 

 

 

 

 

 

 

TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

Blue LED’s are

Power isn’t turned on.

Press Power button on right satellite.

not lit.

 

 

AC cord isn’t connected to the wall outlet.

Verify the subwoofer’s AC power cord is plugged into the wall outlet.

 

 

 

 

 

Surge protector (if used) isn’t powered on.

If the subwoofer’s AC power cord is plugged into a surge protector, make sure

 

 

the surge protector is switched on.

 

 

 

 

Wall outlet not functioning.

Plug another device into the wall outlet (same jack) to confirm the outlet

 

 

is working.

 

 

 

No sound from

Power isn’t turned on.

Verify the subwoofer’s AC power cord is plugged into the wall outlet.

one or more

 

 

 

Verify the Power button has been pressed by confirming the blue LED’s

speakers.

 

 

 

are illuminated.

 

 

 

 

Volume is set too low.

Press the + button on the top of the right satellite to raise the volume.

 

 

 

 

 

Check volume level on your PC or alternate audio source, and set at mid-level.

 

 

 

 

Audio cable isn’t connected to audio source.

Make sure the lime green 3.5mm audio cable is connected and fully inserted into

 

 

your PC sound output jack or other audio source.

 

 

 

 

Audio cable is connected to wrong output on

Make sure the lime green 3.5mm audio cable is connected and fully inserted into

 

audio source.

your PC sound output jack or other audio source.

 

 

 

 

Problem with audio source.

Test the speakers on another audio source by removing the lime green 3.5mm

 

 

audio cable from the audio source and connecting it to the line out or

 

 

headphone jack of a different audio source (e.g., Walkman, Discman or

 

 

FM radio).

 

 

 

Crackling sound

Bad connection.

Make sure the lime green 3.5mm audio cable is properly connected to the

from speakers.

 

PC sound output jack (NOT “speaker-out.”) or other audio source.

 

 

 

 

PC volume level is set too high.

Check the PC output volume level and set at mid-level.

 

 

 

 

A problem with your audio source.

Test the speakers on another audio source by removing the lime green 3.5mm

 

 

audio cable from the audio source and connecting it to the line out or

 

 

headphone jack of a different audio source (e.g., Walkman, Discman or

 

 

FM radio).

 

 

 

Sound is

Volume level set too high.

Press the – button on the top of the right satellite to lower the volume.

distorted.

 

 

PC volume level is set too high.

Check the PC output volume level and set at mid-level.

 

 

 

 

 

Sound source is distorted.

Digital audio files (.MP3, .WAV, .MID) are often of poor quality; distortion and

 

 

noise are easily noticed with high-powered speakers. Try a different audio source

 

 

such as a music CD.

 

 

 

Radio

Too close to a radio tower.

Move your speakers to see if the interference goes away. If not, you may be able

interference.

 

to purchase a shielded stereo cable from your local electronics store.

 

 

 

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Altec Lansing CS21 manual System Specifications, Power Requirements, Troubleshooting Symptom Possible Problem Solution
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CS21 specifications

Altec Lansing has long been synonymous with quality sound and innovation, and their CS21 speaker system exemplifies this commitment. The CS21 is designed to deliver superior audio performance while maintaining an elegant, compact form factor, making it suitable for both personal and professional use.

One of the standout features of the CS21 is its versatility. The speaker system includes a pair of bookshelf speakers that can easily fit on any desk or entertainment center, providing a powerful audio experience without overwhelming your space. With a total power output of 50 watts RMS and 100 watts peak, the CS21 ensures clear, dynamic sound that can fill a room with rich tones, whether you're listening to music, watching movies, or playing video games.

The CS21 utilizes advanced audio technologies to enhance its performance. It incorporates a patented DSP (Digital Signal Processing) that optimizes sound quality, ensuring a balanced audio output across all frequencies. This technology is particularly beneficial in environments with varied acoustics, delivering consistent sound performance in different settings.

Another notable characteristic of the CS21 is its user-friendly interface. The speakers come equipped with a front volume control knob that allows for easy adjustments, while separate bass and treble controls let users fine-tune the sound to their preferences. Additionally, the system includes a built-in headphone jack, providing a convenient option for personal listening without disturbing others.

The CS21 is compatible with a wide range of devices, including computers, televisions, and gaming consoles. Connectivity options include RCA inputs, making it easy to connect to virtually any audio source. This versatility means that users can enjoy enhanced audio quality from their favorite devices seamlessly.

Aesthetically, the Altec Lansing CS21 features a sleek design that blends well with any decor. The speakers are finished with a classic wood veneer that adds a touch of elegance, while the compact size ensures they won't dominate your workspace.

In summary, the Altec Lansing CS21 speaker system combines powerful audio performance, advanced technologies, and a user-friendly design, making it an excellent choice for anyone looking to enhance their audio experience. Whether you're a casual listener or a dedicated audiophile, the CS21 delivers a sound that is both immersive and enjoyable, making it a worthwhile addition to any setup.