Speaker Output; Speaker Connection - BST Pro UPA-40 Manuel D'utilisation

27. SPEAKER OUTPUT

These output are used to connect low impedance speaker, 70V speaker or 100V speaker
28. POWER SUPPLY SOCKET + FUSE
Plug the AC power cord on this socket. Before plugging this cord in, be sure the voltage of AC outlet is correct. ( 220V )
The fuse is used to protect your power amplifier from different kinds of ac problems. If the power amplifier is "on" and nothing lights, please
verify the fuse compartment. If fuse is broken, please read it and change with a new one of same size and value.

SPEAKER CONNECTION

On the 4-16 Ohms output, you can connect several speakers.
Note : The total impedance of the speakers must to be from 4 to 16 Ohms. ( Two speakers in parallel = impedance divide by 2 ), Two speakers
in serie = impedance x2 )
Connect the 4-16 Ohms output of the power amplifier + socket of the speaker
Connect the com socket of the power amplifier on the – socket of the speaker
On the 70V output, you can connect several PA speakers.
Note : The total power of the PA speakers is equal to power of the power amplifier. For example, if you have a 60W power amplifier and 15W
PA speaker, you must connect only 4 PA speakers ( 15Wx4 = 60W )
Connect the 70V output of the power amplifier + socket of the PA speaker
Connect the com socket of the power amplifier on the – socket of the PA speaker
Note : In P.A., for more operating security, you must to keep 20% of free power
On the 100V output, you can connect several PA speakers.
Note : The total power of the PA speakers is equal to power of the power amplifier. For example, if you have a 60W power amplifier and 15W
PA speaker, you must connect only 4 PA speakers ( 15Wx4 = 60W )
Connect the 100V output of the power amplifier + socket of the PA speaker
Connect the com socket of the power amplifier on the – socket of the PA speaker
Note : In P.A., for more operating security, you must to keep 20% of free power
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UPA-40 / UPA-60 / UPA-120
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