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Cautions

Please read the following operating precautions before use:

When disconnecting the power cord from an AC receptacle, hold
and pull the plug, not the cord.

If the YST-SW20 is not going to be used for a while, disconnect it
from the AC receptacle.

Since this unit has a built-in power amplifier, heat will radiate from
the rear panel. Therefore, place the unit at least 10 cm (4 inches)
away from the wall. Also, do not position with the rear panel
facing down on the floor or other surface.

Always disconnect from the AC receptacle before making any
connections.

YST-SW20 does not contain any user serviceable parts. Refer all
servicing to your Yamaha dealer.

Do not expose the YST-SW20 to temperature extremes, direct
sunlight, excessive dust, humidity, or vibration.

Site the YST-SW20 on a level, stable surface. Do not drop the
YST-SW20, apply excessive force to its controls, or put heavy
items on top of it.

If the YST-SW20 should require cleaning, use a soft cloth. If
necessary, a damp cloth.

Do not to put some objects into it. If doing so, the sound will be
unnatural or it may cause damage to the speaker and/or amplifier.

To protect the YST-SW20 speaker, avoid microphone feedback,
continuous and excessive output from electronic musical instru-
ments, excessive signal distortion,

Although the YST-SW20 is magnetically shielded, keep floppy
disks and tapes away from it.

The YST-SW20 may cause picture distortion when sited close to a
television or computer monitor. In this case, move it away a little.

Specifications

Type

Active Servo Processing Subwoofer
System

Amplifier output

25 W/4 

 (THD 10%, 100 Hz)

High-Cut Filter

Low, High

Pressure Level

100 dB (max.)

Capacity

10.0 l

Frequency response

30 to 250 Hz (–10dB)

Speaker unit

6.3" (16 cm) cone woofer, magnetic
shielding

Power supply

AC 120 V, 60 Hz

Power consumption

25 W

Dimensions (W 

×

 H 

×

 D) 280 (11") 

×

 200 (7.9") 

×

 289 (11.4") mm

Weight

5.9 kg (13 lbs)

Accessories

Mini plug cable 

×

 1

RCA pin plug to mini plug cable 

×

 1

RCA pin plug to bare wire cable 

×

 1

Summary of Contents for YST-SW20

Page 1: ...ient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral tri angle is intended to alert you to the presence of important operating and maintenance servic ing instructions in the literature accompanying the appliance WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE IMPORTANT Please record the serial ...

Page 2: ...ch as radiators stoves or other appliances that produce heat 10 Power Sources The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit 11 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at ...

Page 3: ... is switched back on automatically This function works only when the power switch is in the on position Note The power may switch off automatically when the input signal level is very low If this does occur increase the output level from the source device and reduce the YST SW20 VOLUME control accordingly Rear Panel 4LINE 1 IN This 3 5 mm stereo jack connection is for inputting line level signals ...

Page 4: ... Speaker Terminals on Amplifier R L SPEAKERS Hi Fi Stereo ACTIVE SERVO PROCESSING SUBWOOFER SYSTEM YST MSW10 Actve Servo Technology POWER HIGH CUT VOLUME HIGH LOW YST SW20 WHITE RED AWM 2458 24A WG 80C LL49088 AWM 2458 E5 AWM 2458 E5 24AWG LL49088 ...

Page 5: ...C 14V STEREO INPUT OUTPUT to To Left Speaker Speaker System with Connecter for Subwoofer YST SW20 ACTIVE SERVO PROCESSING SUBWOOFER SYSTEM YST SW20 Actve Servo Technology POWER HIGH CUT VOLUME HIGH LOW IN OUT LINE 1 YST SW20 ACTIVE SERVO PROCESSING SUBWOOFER SYSTEM YST SW20 Actve Servo Technology POWER HIGH CUT VOLUME HIGH LOW IN OUT LINE 1 or Portable CD Player Personal Computer or Portable CD Pl...

Page 6: ...items on top of it If the YST SW20 should require cleaning use a soft cloth If necessary a damp cloth Do not to put some objects into it If doing so the sound will be unnatural or it may cause damage to the speaker and or amplifier To protect the YST SW20 speaker avoid microphone feedback continuous and excessive output from electronic musical instru ments excessive signal distortion Although the ...

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