Mackie TH-18s Features
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9
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11
THERMAL | OL | SIGNAL | POWER | OUTPUTS |
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| A | HIGH PASS | B |
| LEVEL |
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7 |
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| 5 | ||
+6dB |
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6 | POLARITY | A | FULL RANGE | B | |
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| NORMAL |
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| 4 | |
| INVERT |
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INPUTS
AB
3
R
ACTIVE SOUND
REINFORCEMENT SUBWOOFER
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| WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC |
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| SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR |
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| MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE |
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| AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. | |
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| SERIAL NUMBER | REVISION |
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| POWER |
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2 | ON | 1 |
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The rear panel is where you connect AC power
and your signals to and from the subwoofer. You may also adjust the level and polarity to match the other loudspeakers in your system and account for the subwoofer’s location and your room’s environment.
1. IEC AC Receptacle and Fuse
Connect the detachable line cord to this IEC socket securely, and plug the other end into an AC outlet. Make sure the AC power is matched to the AC power indicated on the rear panel above the IEC socket.
The fuse is located behind the fuse cover, at the bottom of the IEC socket. See the “Troubleshooting” section on page 13 for information about replacing the fuse.
| Always turn off the power and disconnect | |
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| the power cord before inspecting or | |
| changing the fuse. Always replace the fuse | |
| with the exact same type and rating as the | |
8 | ||
original fuse. | ||
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2. POWER
Press up on this switch to turn the
Press the bottom of this switch to put the subwoofer into standby mode. It will not function, but the circuits are still live. To remove AC power, either turn off the AC mains supply, or unplug the power cord from the subwoofer and the AC mains supply.
As a general guide, powered
subwoofers should be turned on after
the mixer and other sources, but prior
to
the possibility of any