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Power Requirements; Troubleshooting - Altec Lansing 3151 User Manual

Six-piece powered audio system

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Surround Volume
The SURROUND knob on the control pod controls the volume of the left
and right surround speakers. Adjust this control as necessary to create the
optimum sound. The surround volume control operates in the same manner
even on computers that only have stereo outputs.
Center Volume
The CENTER knob on the control pod controls the volume of the center
speaker. Adjust this knob as necessary to achieve a balanced sound.
System Specifications*
Altec Lansing's superior sound comes from our patented Dynamic EQ technology,
which utilizes custom-built, high-fidelity drivers, state-of-the-art equalization circuitry,
and a harmonious mix of the following specifications:
Sound Pressure Level (SPL):
Total Continuous Power:
• Front Speakers:
• Rear Speakers:
• Center Speaker:
• Subwoofer:
*Power rating conforms to FTC Amplifier Rule #16 C.F.R. Part 432.

Troubleshooting

Symptom
Possible Problem
No LEDs are lit.
Power isn't turned on.
AC power cord isn't connected to the wall outlet.
Surge protector (if used) isn't powered on.
Wall outlet not functioning.
103 dB
50 Watts RMS
5 Watts/channel @ 8 ohms
@ 10% THD @ 150 Hz – 20 kHz
2 Channels Loaded
5 Watts/channel @ 8 ohms
@ 10% THD @ 150 Hz – 20 kHz
2 Channels Loaded
10 Watts @ 8 ohms
@ 10% THD @ 150 Hz – 20 kHz
Single Channel Loaded
20 Watts @ 8 ohms
@ 10% THD @ 40 – 150 Hz
Single Channel Loaded
Subwoofer Volume
The SUBWOOFER knob on the control pod controls the volume of the
subwoofer. Turn the knob clockwise to increase the subwoofer volume and
counterclockwise to decrease the subwoofer volume.
Headphones
To use headphones with the system, plug them into the labeled
on the control pod. When headphones are connected, the speaker system
is muted.
System Response:
Signal to Noise Ratio
@ 1 kHz input:
Drivers (per satellite):
Subwoofer:

POWER REQUIREMENTS

USA, Canada and applicable
Latin American countries:
Europe, United Kingdom,
applicable Asian countries,
Argentina, Chile and Uruguay:
ETL/cETL/CE/NOM Approved
Solution
Turn on the speaker system by pushing the On/Off button located on the
control pod. An LED will light on the control pod when the power is ON.
Check to see if the "Power On" LED is illuminated on the control pod. If not,
connect AC power.
If the AC power cord is plugged into a surge protector, make sure the surge
protector is switched on.
Plug another device into the wall outlet (same jack) to verify the wall outlet is
working.
3
40 Hz – 20 kHz (-10 dB)
> 80 dB
One 2" full-range driver
One 5.25" woofer
120 V AC @ 60 Hz
230 V AC @ 50 Hz
jack

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