Bose Virtually Invisible 791 Installation Guide download pdf (Page 5)

PREPARATION

TAB 5TAB 4TAB 6TAB 8TAB 7English TAB 3TAB 2

Selecting speaker cable

If your cables are not yet installed, use these guidelines

for choosing and using speaker cable. If your cables are

already installed, check to be sure they meet these

standards.

Consider the location of the speakers and be sure to

allow enough cable to reach each one. This includes the

extra length needed for wiring the speaker before

inserting it into the ceiling.

Preparing the cable wires

Speaker cable consists of two insulated wires. The

insulation around one wire is marked (striped, collared,

or ribbed) to identify it as positive. The other wire is

negative.

Note: It is sometimes difficult to distinguish wire

markings. Inspect both wires carefully.

1. Strip approximately

in. (13 mm) of insulation from

both wires.

2. Twist the bare end of each wire so loose strands will

not touch across terminals.

Be sure to connect each wire to the proper speaker

terminal, positive to positive (+) and negative to

negative (–).

Note: For information on installing cable, consult a

professional electrician or audio/video installer, or look

for reference books at a local home building retail store.

Gauge Maximum Length

18 AWG (0.82 mm

)

20 ft (6 m)

16 AWG (1.3 mm

)

30 ft (9 m)

14 AWG (2.1 mm

)

50 ft (15 m)

12 AWG (3.3 mm

)

90 ft (27 m)

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Bose Virtually Invisible 791 Installation Guide Page 5

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