EarthQuake Cinenova Grande BR 5 Manuale d'uso - Pagina 9

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Cinénova Grande Power Amplifiers

Bridging Channels: Understanding the

The Cinénova Grande BR is capable of bridging its channels in order to

produce even more power. Bridging is achieved by setting two channels

out of phase. This leads to a differential voltage between two blocks. In

bridge mode, you are required to set one channel to master (non-

inverted) and the second to slave (inverted). Since power is V2/R, the

bridged output blocks will produce two times more than the unbridged.

Please check your speakers' power handling capability as

bridging could overload your speakers.

In bridge mode, connect the positive terminal of the master channel to

the speaker positive and connect the positive terminal of the slave

channel to the speaker negative. Be sure to connect the negative

terminals of both bridged channels with the jumper wire.

Advantage

Two bridged channels will more than double the wattage output of one

channel. This will maximize the amount of power that this amplifier is

capable of. For example:

1 channel outputs 300WRMS at 8 ohm

2 bridged channels output 1000WRMS at 8 ohm

MARS Technology

Cinénova Grande BR implements MARS technology (Magnetically

Actuated Reanimation System). This is a new type of protection system

that enables the use of all the amplifier's power resources without

compromising the survivability of the amplifier under catastrophic

conditions. MARS is different as it is not in the signal path, but works by

sensing the electro-magnetic signature of the speaker output wire then

translating this input into amperes flowing through the wire.

During testing, the MARS technology showed that the output of the

amplifier could be short-circuited at full power more than a thousand

times with no damage to the amplifier. A specially designed circuit

instantly shuts off the output drive.

In the event a short-circuit activates the MARS protection system, it

continuously re-scans the output every 10 seconds. Normal operation

automatically resumes as soon as the short-circuit condition is

removed.

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MASTER/SLAVE

Feature

Mono (Typical Connection)

Minimum 4-Ohm

Cinénova Grande BR Bridging Feature

Bridge Connection

MASTER

Minimum 8-Ohm

SLAVE