1. FULL RANGE INPUT
This is female XLR-type connector that accept a balanced
line-level signal from a mixing console or other signal source.
4. FREQUENCY CONTROL
Use this control, you can adjust the bass frequency from 40Hz to 200Hz to balance the bass and top speakers.
5. LIMIT (PEAK) INDICATOR
The system has a built-in limiter (PEAK) that prevents the amplifier outputs from over driving the transducers.
The PEAK indicator lights when the limiter is activated. It s okay for the PEAK indicator to blink occasionally,
but if it blinks frequently or lights continuously, turn down the level control until the PEAK indicator only blinks
occasionally.
2. THRU (FULL RANGE OUTPUT)
This is male XLR-type connector that produce exactly the
same signal that is connected to the FULL RANGE INPUT
jack. Use it to daisy-chain several NB18A together or other
active system the same signal source.
3. SUBWOOFER LEVEL CONTROL
This adjusts the subwoofer level. Use this as a starting point
for setting the balance between the subwoofer and the main
speakers.
6. POWER SWITCH
Use this switch to turn the system on and off. Make sure the signal source s level control is turned down before
you turn it on.
7. POWER OUT
This is AC power out to top system or another active system such as NSR15A which equipped with powercon-3.
8. POWER IN
This is where you connect the AC linecord to provide AC power. Plug the linecord into an AC socket properly con-
figured for your particular model.
9. FUSE HOLDER
When occur a problem on this appliance, the fuse will be cut off power to prevent from a problem. To replace, use
standard fuse as specified on this appliance.
TOURING ACTIVE SYSTEM
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5
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8
9
4
3
6
TIPS
Do not expose electronic circuitry to moisture! When you set the system up outdoors, be sure to protect it against rain.
Keep soft drnks, beer and all other liquids well away from the cabinets to protect their electronic components from short
circuits.
Ensure that the ducts on the enclosures rear panels are free of dirt and the devices are ventilated properly. Otherwise,
electronic components may overheat and suffer damage.
REAR PANEL DESCRIPTION-----
SUB SYSTEM
