Ashly SRA-4150 Manuel d'utilisation - Page 8

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Page - 8

Important Safety

Instructions – 2

Operation

Introduction - 3

The amplifier's On/Off Switch is a rocker-type switch located on the left side of the front

The SRA Series - 4

panel. Turning on the amplifier initiates start-up by activating the inrush current limiter.

Physical Description - 5

When using the remote On/Off function, the main On/Off switch must remain in the On

Installation – 6

position. See page 11 for more information on remote On/Off connections.

Operation – 8

2 Channel Mode

Bridged Mode

NOTE: The power switch does NOT isolate the appliance from mains. Make sure the mains

power socket or an alternative disconnect device is near by and easily accessible. When the

Troubleshooting - 9

product is connected to mains, the line-filter and the input of the fuse are energized.

Spec Table - 10

Dimensions - 11

Warranty - 12

2 Channel (Stereo) Mode

In this mode, the amplifier's channels operate fully independent of each other. Each signal

enters the unit and is amplified separately.

Bridged (Mono) Mode

In this mode, a single input is connected to channel 1 (or 1 & 3 in 4 channel models) and is

connected to the two output channels that have been "Bridged" together.

Each output channel processes the signal, but the polarity of channel 2 (and channel 4, in 4

channel models) is reversed. The (single) load is connected between the two positive

channel outputs. While the total output of the amplifier remains the same, both the

available output voltage and the minimum impedance that can be connected are doubled,

as compared with stereo operation.

Only Channel 1 (or 1 & 3) is active. A signal feeding Channel 2 (or 4) will have no effect

on the output.

Operator Manual – SRA Series Amplifiers