Yamaha AX12M Instrukcja obsługi - Strona 3

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This product, when used in combination with

ampliﬁcation and/or additional loudspeakers,

may be capable of producing sound levels that

could cause permanent hearing loss.

DO NOT operate at high volume levels or at a

level that is uncomfortable. If you experience

any discomfort or ringing in the ears, or suspect

an hearing loss, you should consult an audiolo-

gist.

To protect your speakers

When choosing a power ampliﬁer to use with your speakers,

make sure that its power output matches the speakers' power

capacity (refer to the Speciﬁcations on page 5). Even if the

ampliﬁer's power output is lower than the speakers' PGM (pro-

gram) power capacity, the speakers may be damaged when clip-

ping of a high input signal occurs.

The following may cause damage to speakers:

• Feedback caused when using a microphone.

• Continuous high sound pressure level produced by electronic

instruments.

• Continuous high-power output distorted signals.

• Popping noises caused by turning on equipment, or by con-

necting or disconnecting system components while the ampli-

ﬁer is turned on.

Before Making Connections

I Phone Plug Wiring

Phone plugs for connection to the phone jack inputs should be wired as

shown to the right. Be sure to use proper speaker cable — NOT shielded

instrument or line cable — for all speaker connections.

I Neutrik NL4FC Plug Wiring

If you will be using the Neutrik connectors for speaker input,

wire the plugs as shown to the right. Be sure to use proper

speaker cable — NOT shielded instrument or line cable — for all

speaker connections.

Poly Switch

All full-range loudspeakers are ﬁtted with a self-resetting poly

switch that protects the high-frequency driver from damage

caused by excessive power.

If a loudspeaker cabinet loses high-frequency output, immedi-

ately remove power from the unit and wait for two to three min-

utes. They should allow the poly switch to reset. Re-apply power

and check the performance of the high-frequency driver before

continuing with the power reduced to a level that does not cause

the poly switch to interrupt the signal.

• In any system using two or more speakers, be sure to match the

connection polarities of all speakers to the ampliﬁer(s) – e.g.

always connect "+" to "+" and "-" to "-". If the polarities are not

properly matched the speakers will be driven out of phase and the

sound will suffer.

• Use only Neutrik NL4FC plugs for connecting Speakon connec-

tors.

Yamaha cannot be held responsible for damage caused by

improper use or modiﬁcations to the device.

* Illustrations in this manual are for explanatory purposes only,

and may not match the actual appearance of the product during

operation.

* Company names and product names used in this Owner's Man-

ual are trademarks or registered trademarks of their respective

owners.

1+ : HOT(+)

1– :COLD (–)

2– (NO USE)

2+ (NO USE)

Neutrik NL4FC connector