Yamaha XS250 User Manual download pdf (Page 7)

■ Speaker Impedance

In STEREO and PARALLEL modes, the minimum load (i.e., speaker) impedance is 4Ω. In BRIDGE mode it is 8Ω.

Make sure that the impedance does not fall below this specified impedance.

Using the barrier strip and binding posts simultanuously

STEREO mode connections:

MODE

STEREO

PARALLEL

BRIDGE

Set to STEREO

PARALLEL mode connections:

MODE

STEREO

PARALLEL

BRIDGE

Set to PARALLEL

BRIDGE mode connections:

MODE

STEREO

PARALLEL

BRIDGE

Set to BRIDGE

– –

+ +

SPEAKERS

– –

+ +

++–– ++––

Each speaker

min. 8Ω

Each speaker

min. 8Ω

– –

+ +

SPEAKERS

– –

+ +

–+ – +

Speaker

min. 16Ω

Speaker

min. 16Ω

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

POWER AMPLIFIER 1
Owner’s Manual 1
Introduction 2
Precautions 3
Controls and Functions 4
■ Rear Panel 5
4 SPEAKERS terminals 6
6 GND terminals 6
■ Speaker Impedance 7
STEREO mode connections: 8
PARALLEL mode connections: 8
BRIDGE mode connections: 8
Wire should not 9
Rack Mounting 10
■ Portable Rack Mounting 11
■ Fixed Installation Mounting 11
Specifications 12
Unit: mm 13
Troubleshooting 14
YAMAHA CORPORATION 15

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Yamaha XS250 User Manual Page 7

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