Alto D3 Посібник користувача - Сторінка 8

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30Hz Filter of 2-channel models

Output Connector

There are two kinds of connectors: Binding post and professional speak-on connector. You can choose proper

connectors according to actual need. Wiring connections are shown on the back of the chassis. Please pay

special attention the polarity marks, which are designed to make connections easier. Please refer to PART 4

for wiring.

Output connector of 2-channel models

Fan

The fan can accelerate the flow of air to lower the temperature inside

unit. It runs faster when amplifier temperature gets higher.

Note: do not block the air vents of the amplifier. There is a net to

prevent amplifier from dust. Too much dust can block air flow. You

can unscrew the six screw on front panel to take out the net for

cleaning.

4. APPLICATION

Totally two optional modes:

Please see following diagram for connecting the power amplifier into your audio system.

4.1 Stereo and Parallel Mode

In stereo mode,

( just as traditional stereo amplifier). The signal input into channel 1 can be output from channel 1 only, similarly,

the signal input into channel 2 can be output from channel 2 only.

Connect each loudspeaker with the corresponding channel of the power amplifier as the connection figure shown

on the chassis. Four channel models are shown in the figures below. Make sure the polarity connection of all the

speakers are correct.

the mode selector should be set to STEREO.

30Hz Filter of 4-channel models

Output connector of 4-channel models

Channel 1 and Channel 2 operate independently