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BBA 240 | User manual
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User manual | BBA 240
6 | TROUBLESHOOTING
PROBLEM LED SOLUTION
No sound or very low
sound level Power LED turned off.
Make sure the system is properly
connected to the mains outlet.
Check voltage selector correct position.
Make sure that mains plug is rmly
inserted into the socket.
POWER LED on but low
GAIN of input channel Raise the GAIN level
POWER LED on, GAIN
up but MUTE button
pressed
Raise the MUTE button
POWER LED on but low
VOL of input channel Raise the VOL level
POWER LED on but
low VOLUME of output
zones
Raise VOLUME of the channels.
POWER LED on, all
controls active but
Phantom not activated
Put the input selector in central position,
thus activating the phantom power
All above checked but
there is no sound
Check the connections between the
sources and the inputs.
Distortion PEAK LED on in a zone
Adjust the GAIN of the entrance
Make sure you have not connected a dial
tone to a MIC jack
Check the source level.
Attenuate VOLUME of the specic ZONE
Red LEDs constantly lit
on all ZONES
Attenuate GAIN/VOL of the inputs and/or
zones VOLUME
Muddy sound
Make sure you haven't simultaneously
connected multiple active sources on the
same channel
Check that you haven't connected
multiple speakers to the same zone
7 | TECHNICAL SPECIFICATIONS
Input connectors CH1-4 - Combo (XLR+6,35mm. jack)
CH5 - Pin jack
Tel - RJ11
Input sensitivity CH1-4 - Mic/Phantom: -50dBV;
Line: -10dBV balanced
CH5 - unbalanced -10dBV
Tel - balanced -10dBV
Signal-to-noise ratio Mic >65dB
Line >75dB
Tel >65dB
Indicators 5 MUTE LED for inputs
1 Bluetooth
®
PAIR LED
4 zone level indicators
1 monitor zone level indicator
1 ON LED
Frequency response (-3dB) 60Hz-17KHz
EQ controls - HIGH/LOW +/-10 @ 10KHz; +/-10 @ 100Hz
THD < 1%
Output connectors Line, Monitor & Speakers - Phoenix
Phones - 6,35mm. jack
POWER AMP. OUTPUT connections Constant impedance – 4Ω/8Ω
Constant voltage – 25V/70V/100V
POWER AMP. OUTPUT power 120W RMS x 4CH @ 4Ω
MONITOR LINE OUT 1V (600Ω)
Uscita MONITOR 1W8Ω 1W RMS
7


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