AMX ALR-AMP-8 Manual de Instruções descarregar pdf (Página 12)

Installation

ALR-AMP-8 Alero 8 Zone Power Amplifier

Audio (Signal) Inputs

The following table provides pinout information for the Audio Inputs:

SE/BTL (Stereo/Bridge Mode) Switches (1-8)

The ALR-AMP-8 features eight SE/BTL slide switches (located between the two RCA/phono input connectors for each

Zone - see FIG. 4). These switches provide the ability to set each of the eight Zones to either Stereo Mode (SE) or Bridge

Mode (BTL). Note that by default, all Audio Inputs are set to Stereo Mode.

Stereo Mode (SE): In Stereo Mode, both channels are used for stereo audio input. Stereo mode provides true

stereo separation between the left and right channels in each Zone.

Bridge Mode (BTL): Bridge Mode uses one input channel of the amplifier to combine the power from both

channels output into one single output. In Bridge Mode, the odd channels are used for audio input and the

even channels are disconnected internally.

Connecting Input Devices in Stereo Mode

Stereo input devices use both input channels (left and right) for each Zone.

Odd-numbered channels (with white connectors) should be used to connect to the left output on the source

device.

Even-numbered channels (with red connectors) should be used to connect to the right output on the source

device.

The Alero ALR-AMP-8 supports up to eight stereo input devices, each one associated with an input Zone (1-8). Note

that each Zone represents a stereo pair. For example, Zone 1 consists of CH1 (left channel) and Ch2 (right channel).

There is a direct correlation between the audio inputs and the speaker outputs. For example, a stereo device connected to

the Zone 1 inputs (CH1 and CH2) will output on the CH1 (left) and CH2 (right) speaker outputs (FIG. 5):

See Also: Connecting Speakers in Stereo Mode on page 8.

Audio Input Connectors - Pinout Information

PIN Function Description Type

1 Signal + Single Ended Signal Positive Input

2 Signal GND Single Ended Signal GND GND

FIG. 5

Stereo Input Mode - Zone 1 (CH1 and CH2) is output on Speaker Outputs CH1 and CH2

Zone 1 (CH1 and CH2)

speaker outputs

From stereo source

device (left output)

From stereo source

device (right output)

Alero INPUTS (Stereo Mode) Alero OUTPUTS (Stereo Mode)

audio inputs

left right

When connecting stereo input devices, verify that the Stereo/Bridge (SE/BTL) mode

switch for the Zone (see FIG. 4) is set to "SE". This is the default factory setting.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 23 24

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