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8
ENGLISH
8
POWER INDICATOR. Power on indicator. When the power cord is connected and the power
switch is turned on this indicator lights green.
9
SIGNAL INDICATOR. The signal indicator lights green if there is signal present on the main
XLR input.
10
LIMITER INDICATOR. The amplifier has a built in compressor/limiter circuit to prevent clip-
ping of the amplifiers or overdriving the transducers.
When the compressor is active the led is blinking yellow. When the soft clipping circuit is active
the LED blinks orange. It is okay if the limit LED blinks occasionally. If the LED blinks frequently
or lights continuously, turn down the signal level. The amplifier has a built in RMS limiter. If the
RMS limiter is active the LED lights red. The RMS limiter has the purpose to prevent damages the
transducers. The speaker shall never be used with the limit indicator red, continuously. Continu-
ous operation with the RMS protection active can cause damages to the speaker.
11
PHASE SWITCH. This switch reverse the phase of the output signal.
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CARDIOID SET-UP SWITCH. This switch provides a special equalisation and delay setting to
create a cardioid pattern when the system is used in conjunction with two other sub 8006-AS
modules.
13
POWER MAIN SWITCH. The power switch turns the AC power ON and OFF. Make sure that
the sensitivity is set to + ∞ dBu when you turn on the speaker.
14
AC POWERCON RECEPTACLE. RCF SUB series uses a POWERCON locking 3-pole AC
mains. Always use the specific power cord provided in the package.
15
AC POWER OUTPUT LINK. Models SUB8004-AS and SUB8005-AS are provided with
an AC Power Link Output. Make sure the correct current consumption is used, as indicated
on the produt data labell
The XLR connectors use the following AES standard:
PIN 1 = GROUND (SHIELD)
PIN 2 = HOT (+)
PIN 3 = COLD (-)
At this point you can connect the power supply cable and the signal cable, but before turn-
ing on the speaker make sure that the volume control is at the minimum level (even on the
mixer output). It is important that the mixer is already ON before turning on the speaker.
This will avoid damage to the speakers and noisy “bumps” due to turning on parts on the
audio chain. It is a good practice to always turn on speakers at last and turn them off im-
mediately after the show.
Now you can turn ON the speaker and adjust the volume control to a proper level.
The delay is expressed in meters.
To set the system time delay rotate to the wanted delay setting. When using multiple sub-
woofers set carefully all the subwoofers in the same group to the exact same delay.
It is possible to create subwoofer cardioid systems using groups of three modules.
A group is made of three modules, the group shall be made as follow:
- 2 modules pointing in forward direction, cardioid switch released;
- 1 module pointing in backward direction, cardioid switch pressed;
- all 3 modules shall have the same settings (system delay, sensitivity, x-low cut, x-over,…).
HOT GND
BAL. XLR
COLD
CONNECTIONS
BEFORE TURNING ON
THE SPEAKER
TIME DELAY SETTING
WARNING: the PowerCon connector is used to disconnect the system from the power
supply network. It shall be easily accessible after the installation and during the use of the
system.
WARNING
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