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P7000S, P5000S

P3500S, P2500S

CHANNEL A

[BRIDGE]

[PARALLEL]

INPUT

CHANNEL B

BA

State variable

Active filter

ON

OFF

YAMAHA

SPEAKER

PROCESSING

State variable

Active filter

BA

HPF

LPF

CHANNEL A

       ATT

OFF

Limiter

Limiter

INV

Temperature

Sensor

(Heat Sink)

Protection

Circuit

CLIP

CLIP

Ach Power Amp

Bch Power Amp

SIGNAL

PROTECTION

TEMP

SPEAKERS

CHANNEL A

3

3

1

1

2

2

1+

1+

1-

1-

2-

2-

2+

2+

A+B BRIDGE

CHANNEL B

SIGNAL

YAMAHA

SPEAKER

PROCESSING

CHANNEL B

      ATT

PARALLEL

BRIDGE
STEREO

HPF

Frequency

[25 Hz-150 Hz]

POWER

FAN

+B
E
-B
+24

-24

E

POWER CIRCUIT

Frequency

[25 Hz-150 Hz]

OFF

LPF

POWER SW