6 | TROUBLESHOOTING
PROBLEM
LED
No sound or very low
Power LED turned off.
sound level
POWER LED on but low
GAIN of input channel
POWER LED on, GAIN
up but MUTE button
pressed
POWER LED on but low
VOL of input channel
POWER LED on but
low VOLUME of output
zones
POWER LED on, all
controls active but
Phantom not activated
All above checked but
there is no sound
Distortion
PEAK LED on in a zone
Red LEDs constantly lit
on all ZONES
Muddy sound
BBA 240
12
User manual |
SOLUTION
Make sure the system is properly
connected to the mains outlet.
Check voltage selector correct position.
Make sure that mains plug is firmly
inserted into the socket.
Raise the GAIN level
Raise the MUTE button
Raise the VOL level
Raise VOLUME of the channels.
Put the input selector in central position,
thus activating the phantom power
Check the connections between the
sources and the inputs.
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 specific ZONE
Attenuate GAIN/VOL of the inputs and/or
zones VOLUME
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
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
PAIR LED
®
BBA 240
13
| User manual