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The Bose
®
151
®
SE Environmental Speakers
English
4.
Connect the speaker on the left side of the listening area to the left amplifier channel
(Figure 7). Attach the marked wire to the red (+) terminal. Attach the plain wire to the black
(–) terminal.
5.
Connect the speaker on the right side of the listening area to the right amplifier channel.
Attach the marked wire to the red (+) terminal. Attach the plain wire to the black (–) terminal.
Note: If your speakers are being connected to your receiver or amplifier as a secondary set of
speakers, be sure to make the appropriate connections to the “B” channel.
Figure 7
Example of amplifier rear
panel connections
Testing the connections
Set the balance control on your receiver or amplifier to normal (centered) and play some deep
bass passages of music through the speakers. Verify that the sound seems to come from a
point between the two speakers, and that the bass is full and natural. If not, check your con-
nections again; they may be reversed, causing the speakers to play out of phase. Make sure
all the wires are connected positive to positive (+ to +) and negative to negative (– to –).
Troubleshooting
(+) wire
(–) wire
Problem What to do
Neither
speaker plays
1. Check the settings on your receiver/amplifier. Refer to its owner’s guide for instructions.
2. If your speakers are connected to the “B” output, check that the “B” output is selected.
Bass or treble
is weak
Check the tonal balance setting on your receiver or amplifier.
Only one
speaker plays
1. Make sure the balance control is centered on your receiver/amplifier.
2. Check the wires connected to the speaker that does not play. Make sure the wires are in good
condition and are firmly connected.
One speaker
still does not
play
1. Disconnect the working speaker from the receiver or amplifier.
2. Switch the cord of the faulty speaker from its original receiver or amplifier jacks to the other set of
jacks (the working speaker was originally attached to those jacks). If the speaker now works, the
problem is your receiver or amplifier. Reconnect the speakers to a working unit. If the speaker still
does not work, continue.
3. Remove the cord from the working speaker and connect it to the faulty speaker. If the speaker now
works, the original speaker cord is bad. If the speaker still does not work, the speaker is bad.
4. If trouble persists, contact your authorized Bose dealer, who will arrange for service. Or, contact
Bose Customer Service. Refer to the list of phone numbers and addresses included in the carton.