Yamaha KMA-500: CONNECTIONS

CONNECTIONS

■ Connecting speaker cords

■ Important precautions for speaker

connection

1 Pull the lever up to open, then insert the

• The maximum outputs of this unit are as follows:

KMA-700..................................................120 W + 120 W

conductor wire into the hole.

KMA-500..................................................100 W + 100 W

(–) cord to (–) terminal

Accordingly, the maximum input power of the speakers

used must exceed the above.

(+) cord to

• Use Yamaha speakers to prevent any trouble or

(+) terminal

damage caused by mismatching.

[For KMA-700]

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.

The shaded part ( ) is provided for KMA-700 only.

OPERATION

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.

(Low) (High)

15 mm (9/16”)

Switch

If your system

Speaker

position

uses:

impedance level

Note

One speaker system

4

Ω or higher

Be careful that the cord conductors projected from a terminal do

Low

Two speaker systems

8

Ω or higher

not contact with another cord. Contact from the conductors of

different speaker cords may cause damage to the system.

One speaker system

8

Ω or higher

High

Two speaker systems

16

Ω or higher

• Do not change IMPEDANCE SELECTOR setting

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

Right

Left

may be damaged.

speaker

speaker

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

The shaded part ( ) is provided for KMA-700 only.

frequently activated, the speaker systems should be

connected serially instead.

English

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