Bose SoundTouch SA-4 Technical Information download pdf (Page 29)

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Appendix A: SA-4 ampliﬁer connector panel

BoseLink

OUTPUT

connector

POWER

VCA

SPEAKER

OUTPUTS

ROOM CODE switches

BoseLink

INPUT

connector

Status indicator

Connector Description

POWER

AC power cord connector. Power is applied when the power cord is

inserted and plugged into an AC (mains) outlet. There is no on/off switch

on the SoundTouch

™

SA-4 ampliﬁer.

VCA

Local volume control connector. Allows you to control the volume using

a wall-mounted control. Contact your Bose dealer or call Bose customer

service for information on installing this feature. See the contact list

enclosed in the carton.

SPEAKER

OUTPUTS

Left and right speaker outputs. Connect only unpowered speakers. A

6-ohm minimum load is required. To determine the correct speaker wire

size, see “Speaker cable recommendations” on page 27.

ROOM

CODE

switches

Only switch A is used for SoundTouch

™

systems.

The output of the SoundTouch

™

SA-4 ampliﬁer can

be set to stereo (Switch A up) or mono (Switch A

down). The mono output mode feeds left and right

channel audio to both the left and right outputs. This

is useful in situations where a stereo output isn’t

feasible such as when outdoor speakers are used in

a large area.

The remaining six switches should remain in the

default conﬁguration:

Switch B Down

Switch C Down

Switch 6 Down

Switch 7 Down

Switch 8 Down

Switch 9 Up

Status

indicator

The green indicator shows the operational state of the SA-4 ampliﬁer.

See “SoundTouch

™

SA-4 ampliﬁer status indicator” on page 19.

BoseLink

INPUT

Used for connecting the SoundTouch

™

wireless adapter to the

SA-4 ampliﬁer.

BoseLink

OUTPUT

Not used.

Appendices

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Bose SoundTouch SA-4 Technical Information Page 29

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