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Problem What to do
One speaker sounds • Do not switch the wires; this could damage a speaker. Turn off the amplifier and disconnect
defective, or does not play the defective speaker wire at the amplifier. Reconnect it to the other channel. If the speaker
now plays correctly, the problem is not in the speaker or wiring.
Neither speaker plays • Connect the speakers to another receiver or amplifier that is known to be operating
properly. If the speakers now play correctly, the problem is not in the speakers.
Note that the tonal balance of the 901 speakers will be incorrect if the 901 active equalizer
is not being used with this second receiver or amplifier.
The high and low • Check to be certain that the 901 active equalizer is in the circuit. Review the Playing
frequencies seem weak your speakers section of this guide on page 14.
You hear distortion • Try turning down the volume. If the distortion goes away you may be using an insufficiently
at high volume levels powered receiver or amplifier.
The trouble seems to be in • Bypass the equalizer to see if the system operates properly without it. (Speakers will not
the 901 active equalizer have any highs or lows.) Check to see that all connections are correct and that none of
the cables is defective.
Trouble persists in the • Contact your authorized Bose
®
dealer to verify any defects and arrange for service by
speakers or equalizer a factory authorized agency or by the Bose factory. Bose Corporation will make every
effort to remedy any problem within the terms of the warranty.
Maintaining Your 901
®
Series VI Speaker System
Cleaning your speakers
If your 901
®
speakers have a painted surface, clean with a soft damp cloth. If necessary, use
a mild detergent such as dish soap. If the speakers have a wood veneer finish, clean them
with wood furniture polish. You may vacuum the speaker grille panels carefully, if necessary.
Do not use any sprays near the system. Do not use any solvents, chemicals, or cleaning
solutions containing alcohol, ammonia, or abrasives. Do not allow liquids to spill into any
openings.
Troubleshooting
If you have a problem with your 901 Series VI speakers or 901 active equalizer, turn off the re-
ceiver or amplifier before you proceed. Then check all the connections between the speakers,
receiver, and active equalizer. Correct any wiring problems before you follow the guidelines
below. Problems are more likely to originate with equipment other than speakers, so you may
also want to refer to your receiver or other component owner’s guides.