Yamaha NS-225F Owner's Manual
Contents
1. YAMAHA URG Owner s Manual NS 225F SPEAKER SYSTEM Thank you for choosing a Yamaha speaker system Caution E Read the following before using these speakers To assure the finest performance please read this manual carefully Keep it in a safe place for future reference Install the speakers in a cool dry clean place away from windows heat sources sources of excessive vibration dust moisture and cold Avoid sources of humming transformers motors To prevent fire or electric shock do not expose the speakers to dripping or splashing To prevent the enclosure from warping or discoloring do not place the speakers where they will be exposed to direct sunlight or excessive humidity Do not place the following objects on top of the speakers 1 Glass china etc If glass etc falls by vibrations and breaks it may cause personal injury 2 A burning candle etc If the candle falls by vibrations it may cause fire and personal injury 3 A vessel with water in it If the vessel falls by vibrations and water spills it may cause damage to the unit and or you may get an electric shock Do not place the speakers where foreign objects such as water drips might fall It might cause a fire damage to this unit and or personal injury Do not place the speakers where they are liable to be knocked over or struck by falling objects Stable placement will also ensure better sound performance Secur2. Vs clocks magnetic cards diskettes etc after removing it Specifications are subject to change without notice due to product improvements YAMAHA This product mainly uses lead free solder C Cet appareil utilise principalement de la soudure sans plomb 5 Dieses Produkt verwendet haupts chlich bleifreies Lot Este producto utiliza principalmente soldadura sin plomo 2004 YAMAHA CORPORATION All rights reserved YAMAHA ELECTRONICS CORPORATION USA 6660 ORANGETHORPE AVE BUENA PARK CALIF 90620 U S A YAMAHA CANADA MUSIC LTD 135 MILNER AVE SCARBOROUGH ONTARIO MiS 3R1 CANADA YAMAHA ELECTRONIK EUROPA G m b H SIEMENSSTR 22 34 25462 RELLINGEN BEI HAMBURG F R OF GERMANY YAMAHA ELECTRONIQUE FRANCE S A RUE AMBROISE CROIZAT BP70 CROISSY BEAUBOURG 77312 MARNE LA VALLEE CEDEX02 FRANCE YAMAHA ELECTRONICS UK LTD YAMAHA HOUSE 200 RICKMANSWORTH ROAD WATFORD HERTS WD18 7GQ ENGLAND YAMAHA SCANDINAVIA A B J A WETTERGRENS GATA 1 BOX 30053 400 43 VASTRA FROLUNDA SWEDEN YAMAHA CORPORATION YAMAHA MUSIC AUSTRALIA PTY LTD 17 33 MARKET ST SOUTH MELBOURNE 3205 VIC AUSTRALIA Printed in Indonesia up WD66630 1
3. e placement or installation is the owner s responsibility Yamaha shall not be liable for any accident caused by improper placement or installation of speakers Any time you note distortion reduce the volume of your amplifier immediately Make sure the input power does not exceed the specified maximum input power otherwise the speakers will be damaged Do not attempt to clean the speakers with chemical solvents as this might damage the finish Use a clean dry cloth Do not attempt to modify or fix the speakers Contact qualified Yamaha service personnel when any service is needed The cabinet should never be opened for any reasons Note This speaker is magnetically shielded but placing them too close to a TV may impair the TV picture If this happens move the speaker away from the TV Precautions When Positioning the Speakers The speaker is constructed with the majority of the weight located in its upper portion and is thus susceptible to falling over if proper care is not taken to insure its stability If the speaker falls over it may damage the speaker or be the cause of injury or even death to persons and or damage to personal property E For safe and proper use of the speaker e Position the speaker in a location that is solid level smooth and low with respect to the floor Do not push or apply pressure to the side of the speaker when moving or lean objects against the side of t
4. he speaker e Do not sit on or set objects on top of the speaker Vibrations or jolts associated with earthquakes and other phenomena or activities may cause the speaker to fall over For safety reasons using commercially available products that increase stability in the speaker is recommended metal fittings or chains etc E 2 Placing the Speakers Place the speakers on a sturdy vibration free surface E Using as Normal Stereo Speakers To get the best stereo performance angle the speakers inward so as to create a triangle with the listener at the apex E Using as Front Speakers in a Surround Sound System Position the speakers both side of your TV The positioning of these speakers is important because they provide a solid anchor for the sound image They should be positioned facing the listener at about ear level and equidistant from the TV Surround R Connecting Your Notes S pea ke rs e Make sure that the bare wires are not touching each jj SH other as this could damage the speaker and Always turn off your amplifier or receiver amplifier before making any connections e Connect one speaker to the left terminals of your amplifier and another speaker to the right E Preparing Your Speaker Cables terminals making sure not to reverse the polarity Carefully remove 10 mm 3 8 of insulation If one speaker is connected with reversed polarity the sound will be unnatural and lack bas
5. s from both ends of your speaker cables and twist the bare wires tightly as shown E Using a Banana Plug oe 1 Remove the speaker terminal cover by gently pulling it toward you 2 Tighten the terminal knob Good 3 Simply insert the banana plug into the terminal E Hookup Banana Plug OO OO E 3 Removing the front cover Specifications The front cover is attached to protect the speaker i Types 2 way bass reflex speaker system unit but you can remove it if necessary yP y p y magnetic shielding type The front cover is fixed by magnets Hold the speaker with one hand and pull the front cover Drive Sipinen 3 cm 1 dome tweeter gently with the other to remove it 8 cm 3 1 cone woofer x2 Imp dante iessen ne eain 60 Frequency response eee 60 Hz 50 kHz Nominal Input power eee eres 40 W Maximum input powet eee 120 W SeMsitiVity eee eects 86 dB 2 83 V m Crossover freqUuency eieeeeeseeseeseereeees 3 kHz Dimensions with the stand Notes W XHXD e When removing the cover be careful that you don t nas s 236 9 3 X 1050 41 3 X 236 9 3 mm touch the drive units and don t exert excessive force with any tools Wel Shit sicasercventes Sateen it cochatve 7 7 kg 16 98 Ibs There are magnets on the reverse side of the front cover Do not place the front cover close to objects that might be affected by magnets such as T
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