Yamaha KMA-1080 Owner's Manual download pdf (Page 9)

7 En

OPERATION

English

■ Connecting speaker cords

1 Pull the lever up to open, then insert the

conductor wire into the hole.

2 Close the lever to secure the conductor wire.

Before connection, strip a section of coating 15 mm

(9/16”) in length from the end of each cord using a

tool such as pliers.

Be careful that the cord conductors projected from a terminal do

not contact with another cord. Contact from the conductors of

different speaker cords may cause damage to the system.

■ Important precautions for speaker

connection

• The maximum outputs of this unit are as follows:

KMA-1080................................................200 W + 200 W

KMA-980..................................................150 W + 150 W

Accordingly, the maximum input power of the speakers

used must exceed the above.

• Use Yamaha speakers to prevent any trouble or

damage caused by mismatching.

[For KMA-1080]

IMPEDANCE SELECTOR

• Before turning on this unit, be sure to set

IMPEDANCE SELECTOR on the rear panel to the

position whose requirements your speaker system

meets.

• Do not change IMPEDANCE SELECTOR setting

while the power to this unit is on, otherwise this unit

may be damaged.

Connection examples

The minimum speaker impedance is 4 Ω. If two 6 Ω

speaker systems are connected in parallel, this will exceed

the design value and trigger a safety protector device.

When two speaker systems are used and the protector is

frequently activated, the speaker systems should be

connected serially instead.

CONNECTIONS

Note

(+) cord to

(+) terminal

(–) cord to (–) terminal

The shaded part ( ) is provided for KMA-1080 only.

15 mm (9/16”)

Right

speaker

Left

speaker

The shaded part ( ) is provided for KMA-1080 only.

Switch

position

If your system

uses:

Speaker

impedance level

Low

One speaker system

4 Ω or higher

Two speaker systems

8 Ω or higher

High

One speaker system

8 Ω or higher

Two speaker systems

16 Ω or higher

(Low) (High)

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Yamaha KMA-1080 Owner's Manual Page 9

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