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FCC INFORMATION (for US customers only)

YAMAHA and the Electronic Industries Association’s
Consumer Electronics Group want you to get the most out of
your equipment by playing it at a safe level.  One that lets the
sound come through loud and clear without annoying blaring or
distortion – and, most importantly, without affecting your
sensitive hearing.  Since hearing damage from loud sounds is 

often undetectable until it is too late, YAMAHA
and the Electronic Industries Association’s
Consumer Electronics Group recommend you to
avoid prolonged exposure from excessive
volume levels.

We Want You Listening For A Lifetime (for US customers only)

1. IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the
instructions contained in this manual, meets FCC
requirements.  Modifications not expressly approved by
Yamaha may void your authority, granted by the FCC, to
use the product.

2. IMPORTANT : When connecting this product to

accessories and/or another product use only high quality
shielded cables.  Cable/s supplied with this product
MUST be used.  Follow all installation instructions.
Failure to follow instructions could void your FCC
authorization to use this product in the USA.

3. NOTE : This product has been tested and found to

comply with the requirements listed in FCC Regulations,
Part 15 for Class “B” digital devices.  Compliance with
these requirements provides a reasonable level of
assurance that your use of this product in a residential
environment will not result in harmful interference with
other electronic devices.
This equipment generates/uses radio frequencies and, if
not installed and used according to the instructions
found in the users manual, may cause interference
harmful to the operation of other electronic devices.

Compliance with FCC regulations does not guarantee that
interference will not occur in all installations.  If this product
is found to be the source of interference, which can be
determined by turning the unit “OFF” and “ON”, please try
to eliminate the problem by using one of the following
measures:

Relocate either this product or the device that is being
affected by the interference.

Utilize power outlets that are on different branch (circuit
breaker or fuse) circuits or install AC line filter/s.

In the case of radio or TV interference, relocate/reorient the
antenna. If the antenna lead-in is 300 ohm ribbon lead,
change the lead-in to coaxial type cable.

If these corrective measures do not produce satisfactory
results, please contact the local retailer authorized to
distribute this type of product.  If you can not locate the
appropriate retailer, please contact Yamaha Electronics
Corp., U.S.A. 6660 Orangethorpe Ave, Buena Park, CA
90620.

The above statements apply ONLY to those products
distributed by Yamaha Corporation of America or its
subsidiaries.

Summary of Contents for YST-SW150/80

Page 1: ...closure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Explanation of Graphical Symbols CAUTION Active Servo Processing Subwoofer System Built in 100W Power Amp...

Page 2: ...osed to rain or D The unit does not appear to operate normally or exhibits a marked change in performance or E The unit has been dropped or the cabinet damaged 16 Servicing The user should not attempt to service the unit beyond those means described in the operating instructions All other servicing should be referred to qualified service personnel 17 Power Lines An outdoor antenna should be locate...

Page 3: ...ions Part 15 for Class B digital devices Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic devices This equipment generates uses radio frequencies and if not installed and used according to the instructions found in the users manual may cause interferen...

Page 4: ...h saves you the trouble of pressing the POWER switch when turning the power on and off If using one subwoofer it is recommended to place it on the outside of either the right or the left main speaker See fig If using two subwoofers it is recommended to place them on the outside of each main speaker See fig The placement shown in fig is also possible however if the subwoofer system is placed direct...

Page 5: ...TO POWER NOM REV 5 CONNECTIONS Before attempting to make any connections to or from this unit be sure to first switch OFF the power to this unit and to any other components to which connections are being made When making connections between this unit and other components be sure all connections are made correctly and consistently that is to say L left to L R right to R to and to This unit can be c...

Page 6: ...mage this unit your amplifier and or speakers How to Connect Red positive Black negative Unscrew the knob Insert the bare wire Remove approx 5mm 1 4 insulation from the speaker wires Tighten the knob and secure the wire Banana Plug connections are also possible except for U K and Europe models Simply insert the Banana Plug connector into the corresponding terminal Connecting to this unit s OUTPUT ...

Page 7: ...other speakers should not be connected to the OUTPUT terminals on the rear panel of this unit If connected they will not produce sound When connecting to a monaural line output terminal of the amplifier connect to either the left or right INPUT 2 terminal PRE OUT Amplifier Pin plug cords Right speaker Left speaker To AC outlet This unit OUTPUT INPUT1 TO SPEAKERS FROM AMPLIFIER INPUT2 PHASE ON OFF ...

Page 8: ...he source being played is stopped or the input signal is cut off for several minutes This function will operate responding to a certain level of input signal Increase the output level on the input source if the automatic power ON function will not operate or decrease the level if the automatic power OFF function will not operate There may be a case that the power turns on unexpectedly by sensing n...

Page 9: ...l For adjusting the VOLUME control the HIGH CUT control and the PHASE switch refer to FREQUENCY CHARACTERISTICS on the next page For effective adjustment of the HIGH CUT control First set this control at about the main speakers rated minimum reproduceable frequency Then turn up the VOLUME control gradually and set it at a level where you can obtain a little more bass effect than when this unit is ...

Page 10: ...HASE Set to the reverse REV position HIGH CUT VOLUME 140 Hz 0 10 40 Hz VOLUME 0 10 HIGH CUT 150 Hz 50 Hz 20 50 100 200 500Hz 40 50 60 70 80 90 dB HIGH CUT 50 Hz HIGH CUT 150 Hz HIGH CUT 100 Hz 20 50 100 200 500Hz 40 50 60 70 80 90 dB HIGH CUT 90 Hz HIGH CUT 140 Hz HIGH CUT 40 Hz 20 50 100 200 500Hz 40 50 60 70 80 90 dB YST SW80 20 50 100 200 500Hz 40 50 60 70 80 90 dB YST SW150 20 50 100 200 500Hz...

Page 11: ...solved through the employment of a design in which the amplifier functions to supply special signals If the electrical resistance of the voice coil could be reduced to zero the movement of the speaker unit would become linear with respect to signal voltage and to accomplish this a special negative impedance output drive amplifier for subtracting output impedance of the amplifier is used By employi...

Page 12: ... and Canada models AC 120V 60 Hz Australia model AC 240V 50 Hz U K and Europe models AC 230V 50 Hz General model AC 110 120 220 240V 50 60 Hz Power Consumption 130W Dimensions W x H x D 252 mm x 620 mm x 418 mm 9 15 16 x 24 7 16 x 16 7 16 Weight 18 kg 39 lbs 10 oz Please note that all specifications are subject to change without notice YST SW150 Type Active Servo Processing Subwoofer System Speake...

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