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3
4. Press the right speaker’s red
(positive) terminal tab and insert
the marked conductor into the
opening, then release the tab.
Note: Improper phasing can
decrease bass sounds. Be sure to
connect speaker terminals in
proper phase (+ to + and – to –).
5. Press the right speaker’s black
(negative) terminal tab and insert
the other conductor into the open-
ing, then release the tab.
6. Insert the other end of the marked
conductor into your receiver/
amplifier’s right positive terminal.
7. Connect the remaining conductor
to the receiver/amplifier’s right
negative terminal.
8. Repeat these steps for the left
speaker.
MAINTENANCE
Your Optimus STS 150 Speaker Sys-
tem is an example of superior design
and craftsmanship. The following sug-
gestions will help you care for the
speaker so you can enjoy it for years.
• Keep the speaker dry. If it gets
wet, wipe it dry immediately. Liq-
uids contain minerals that can cor-
rode electronic circuits.
• Keep the speaker away from dust
and dirt, which can cause prema-
ture wear of parts.
• Occasionally wipe the cabinet with
a cloth dampened with furniture
polish to keep it looking new. Do
not use harsh chemicals, cleaning
solvents, or strong detergents to
clean the speaker cabinet.
• Use and store the speaker in nor-
mal temperature environments.
Temperature extremes can
shorten the life of electronic cir-
cuits.
Caution: Do not clean the speaker
with a vacuum cleaner. This might
permanently damage it. Clean the
speaker grille with a feather duster or
soft cloth.
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