Bose AM267565 User Manual download pdf (Page 11)

Preparation

Using speaker cord

Before you cut any cord, estimate how much will be needed for each speaker.

To do so, measure the distance from the receiver/ampliﬁer to where each speaker will be

installed. Make some allowance if the cord must go around corners or through walls, and

leave at least 14 inches (36 cm) of cord to pull from the wall for making the connections easily.

Note:

If you are installing ceiling speakers, allowing extra cord will give you the freedom to

stand on the ﬂoor while making the connections.

Be sure to use the proper gauge (thickness) of speaker cord, determined by the length of

each piece.

Wire recommendations

Based on a maximum frequency response deviation of ±0.5 dB

CAUTION: Before running speaker cord through a wall or under a ﬂoor, check your local

building code requirements and safety regulations. If necessary, contact an A/V installer or

electrician for this information.

Prepare the cord

You will need a wire cutter and wire stripper for this work.

Speaker cord 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. It is important

to connect each wire to the proper terminal, positive to positive (+) and negative to

negative (–).

Note: It is sometimes difﬁcult to distinguish wire markings. Inspect both wires carefully.

At the ends of each cord:

• Strip approximately

⁄

inch (13 mm) of insulation from both wires.

• Twist the bare end of each wire so loose strands will not touch across terminals.

Planning to run speaker cord

The techniques for running cord differ according to the condition of the walls you are working

with: new, unﬁnished construction or ﬁnished construction with the walls completed.

In either construction type, you need to mount an open-backed junction box in the wall near

the receiver or ampliﬁer for cord coming out of the wall (Figure 9).

Figure 9

An open-backed junction

box that allows for cord

coming through the wall

near the receiver or

ampliﬁer

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)

AM267565_01_V.pdf May 13, 2003

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Bose AM267565 User Manual Page 11

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