Bose SoundTouch SA-4 Technical Information download pdf (Page 14)

Setting up the System

14 - English

Connecting speakers to the SA-4 ampliﬁer

CAUTIONS:

• Use only unpowered speakers. DO NOT connect any make or model of

powered speakers. Doing so may cause damage to the equipment.

• The SoundTouch

™

SA-4 ampliﬁer requires a 6-ohm minimum load.

Speaker cables consist of two insulated wires. Often, one wire is marked (striped,

colored, or ribbed), indicating it should be connected to the positive (+) terminal.

The plain wire should be connected to the negative (–) terminal. For recommended

wire sizes and lengths, see “Speaker cable recommendations” on page 27.

1. Disconnect the SA-4 ampliﬁer from AC (mains) power.

2. Remove the terminal block connector from the SPEAKER OUTPUTS

connector on the rear panel of the SA-4 ampliﬁer.

3. Use a small, ﬂat-head screwdriver to connect the left speaker cable to the

L positive (+) and minus (–) terminals of the 4-pin terminal block connector,

and the right speaker cable to the R positive (+) and minus (–) terminals.

4. Plug the terminal block connector into the SPEAKER OUTPUTS connector.

Bose 251

Environmental Speakers

shown for illustration only.

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Bose SoundTouch SA-4 Technical Information Page 14