Focal BUS 20 Manuel D'utilisation page 6

BUS 20 & BUS 25
U s e r
M a n u a l
Repair guide
Issues
Can't switch on the Bus 20
or Bus 25 (Bomba under
seat).
The Bus 20 or Bus 25
Bomba under seat is on but
no signal.
Distorted output.
Blown fuses.
Technical specifications
Woofer
Maximum power
Nominal power
Impedance
Cut-off frequency
Maximum current 12A
Supply tension
Dimensions
Weight
Guarantee
All Focal loudspeakers are covered by guarantee drawn up by the official Focal distributor in
your country. Your distributor can provide all details concerning the conditions of guarantee.
Guarantee cover extends at least to that granted by the legal guarantee in force in the country
where the original purchase invoice was issued.
Causes
No +12V on the remote
No +12V on the supply
Ground not properly
connected
Fuse broken
No signal
No remote
Source level too high
Gain of the amplifier too
high
Output levels too high
Bus 20 (Bomba under seat)
20cm (8")
120W
60W
2Ω+2Ω
50 - 100Hz
14.4V (10V – 16V)
348x242x75mm
13.70x9.53x2.95"
5.1kg/11.24lb
Solutions
Supply the terminal in +12V
Connect the supply in +12V
Check connections to
ground
Change fuse
Check signal cable
Check power on the remote
Turn down the source level
Turn down the gain of the
amplifier
Turn the level or gain down
Bus 25 (Bomba under seat)
25cm (10")
120W
60W
2Ω+2Ω
50 - 100Hz
12A
14.4V (10V - 16V)
371x277x80mm
14.61x10.91x3.15"
5.8 kg/12.79lb
6