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4
Getting Started
The following steps will help you set up your
subwoofer(s) quickly.
INITIAL SETTINGS:
1. Turn the LEVEL control on the rear panel all the
way down.
2. Turn the POWER switch OFF.
CONNECTIONS:
1. Connect the line-level signal from a mixer (or other
signal source) to the INPUT jack on the TH-18s rear
panel (XLR connector). If you are operating the
system in stereo, connect INPUT B, as well.
2. Connect the supplied AC power cord to the IEC
socket on the back of the subwoofer. Plug the other
end into an AC outlet properly configured with the
correct voltage as indicated just above the IEC
socket.
TURN IT ON:
1. Turn the POWER switch ON.
2. Start your signal source (mp3 player, CD, DAW,
band, or whatever), but leave the master level
control on your mixer down.
3. Slowly turn up the LEVEL control on the TH-18s to
the “U” (unity gain) mark at the center position.
4. Adjust the master volume on your mixer to a
comfortably loud listening level. If the volume from
the subwoofer gets really loud, really fast, try turning
down the LEVEL control on the TH-18s a bit. If
the subwoofers don’t get loud enough, turn up the
LEVEL control to achieve a good balance of master
volume control and loudness from the subwoofer.
Now that you have your subwoofers working, it’s time
to hunker down and read the rest of this manual…
especially the following:
ADDITIONAL TIDBITS OF WIDSDOM:
• Neverlistentoloudmusicforprolongedperiods.
Please see the Safety Instructions on page 2 for
information on hearing protection.
• Whenyoushutdownyourequipment,turnoffthe
TH-18s subwoofers first to prevent thumps
and other noises generated by any upstream
equipment from coming out the speakers. When
powering up, turn on the TH-18s last, but just
before your full-range loudspeakers.
• Savetheshippingboxesandpackingmaterials!
You may need them someday. Besides, your
cat will love playing in them and jumping out at
you unexpectedly. Remember to pretend like you
aresurprised!
• Saveyoursalesreceiptinasafeplace.
• Recordtheserialnumberinthespaceprovidedon
page 3, along with where and when you bought it.
FU SE: T 10 AH AC 25 0V
TH-18s
ACTIVE SOUND
REINFORCEMENT SUBWOOFER
RE V I S I O N
SE R I A L N U M B E R
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR
MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE
PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
AVIS:
RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR
POWER
ON
BA
INPUTS
B
A
B
A
OUTPUTS
HIG H P ASS
FUL L R ANG E
LEVEL
OL SIGNAL POWER
POLARITY
NORMAL
INVERT
THERMAL
R
+6dB 6d B
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