Yamaha VC8B Owner's Manual
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1PRECAUTIONSPLEASE READ CAREFULLY BEFORE PROCEEDINGPlease keep this manual in a safe place for future reference.This product is a speaker system designed for background music and public addressapplications in places such as stores, restaurants and other commercial spaces.Do not use for any purposes other than the one intended. Those who areunfamiliar with handling or those who can not handle according to this manual,should be supervised by responsible persons to ensure safety.Always consult a professional installer if the product installation requiresconstruction work.WARNINGAlways follow the basic precautions listedbelow to avoid the possibility of seriousinjury or even death from electrical shock,short-circuiting, damages, fire or otherhazards. These precautions include, butare not limited to, the following:If you notice any abnormality• If any of the following problems occur,immediately turn off the power of the amplifier.- Unusual smells or smoke are emitted.- Some object, or water has been droppedinto the product.- There is a sudden loss of sound during useof the product.- Cracks or other visible damage appear onthe product.Then have the product inspected or repairedby qualified Yamaha service personnel.Do not open• This product contains no user-serviceableparts. Do not attempt to disassemble theinternal parts or modify them in any way.Water warning• Do not expose the product to rain, use it nearwater or in damp or wet conditions.Fire warning• Do not place any burning items or open flamesnear the product, since they may cause a fire.Hearing loss• Before turning the power of all devices on or off,make sure that all volume levels are set to theminimum. Failing to do so may result in hearingloss, electric shock, or device damage.• When turning on the AC power in your audiosystem, always turn on the power amplifierLAST, to avoid hearing loss and speakerdamage. When turning the power off, thepower amplifier should be turned off FIRST forthe same reason.Location and connection• Always consult a professional installer if theproduct installation requires construction work, andmake sure to observe the following precautions.- Choose mounting hardware and aninstallation location that can support theweight of the product.- Avoid locations that are exposed to constantvibration.- Use the required tools to install the product.- Inspect the product periodically.• Do not place the product in an unstableposition or a location with excessive vibration,where it might accidentally fall down and causeinjury.CAUTIONAlways follow the basic precautions listedbelow to avoid the possibility of physicalinjury to you or others. These precautionsinclude, but are not limited to, thefollowing:Location and connection• Keep this product out of reach of children. Thisproduct is not suitable for use in locationswhere children are likely to be present.• Do not place the product in a location where itmay come into contact with corrosive gases orsalt air. Doing so may result in malfunction.• Use only speaker cables for connectingspeakers to the speaker jacks. Use of othertypes of cables may result in fire.Handling caution• Do not insert your fingers or hands in any gapsor openings on the product (clamps or movingparts on the rails).• Do not rest your weight on the product or placeheavy objects on it.• When choosing a power amplifier for use withthis product, make sure that the output powerof the amplifier meets the following conditions:- When using a low-impedance connection,make sure that the output power of theamplifier is lower than the power capacity ofthis product.- When using a high-impedance connection,be sure that the total rating of the transformertaps of the speakers does not exceed theoutput power of the amplifier.If the output power is not appropriate,malfunction or fire may occur.• Do not input excessively loud signals that may resultin clipping in the amplifier or cause the following:- Feedback, when using a microphone- Continuous and extremely loud sound from amusical instrument, etc.- Continuous and excessively loud distortedsound- Noise caused by plugging/unplugging thecable while the amplifier is turned onEven if the output power of the amplifier islower than the power capacity of this product(program), damage to the product,malfunction or fire may occur.PA_en_12General SpecificationsUnpackingUnpack the contents and confirm thatall the following items are included.• Speaker × 1• Grille × 1• Safety wire × 1• Cutout template × 1• Owner’s Manual (this manual)* Speaker cable is not included.The following Reinforcing BracketKit is included only with VC8B,VC8W, VC6B, VC6W.• Tile rails × 2• C-ring × 1• Screws (S-TITE M4, 8 mm) × 2Optional Items (sold separately; VC4B and VC4W only)Reinforcing Bracket Kit (AB-C2)Bundled Items• Tile rails × 2• C-ring × 1• Screws (S-TITE M4, 8 mm) × 2* In this manual, the installation method using the AB-C2 Reinforcing Bracket Kitis also explained.Material and weight of the Reinforcing Bracket Kit (AB-C2): steel, 1.0 kg*1 : Half-space (2π)*2 : Calculated based on power rating and sensitivityThe contents of this manual apply to the latest specifications as of the publishing date. To obtain the latest manual, access the Yamaha website then downloadthe manual file.The dimensions are shown in “Dimensions” on the back side of the manual.VC4B VC4W VC6B VC6W VC8B VC8WSystem Type 2way Coaxial type, Acoustic SuspensionComponents HF 0.8" film dome 0.8" soft dome 1" soft domeLF 4" (10 cm) cone 6.5" (16 cm) cone 8" (20 cm) coneNominal Impedance 16 ΩFrequency Range *1 (-10 dB) 121 Hz - 20 kHz 104 Hz - 20 kHz 96 Hz - 20 kHzCoverage Angle *1 160° conical 120° conical 110° conicalPower Rating NOISE 15 W 25 W 25 WPGM 30 W 50 W 50 WMAX 60 W 100 W 100 WSensitivity *1 (1 W, 1 m) 88 dB SPL 89 dB SPL 91 dB SPLMaximum SPL *2 (Calculated, 1 m,Peak) 106 dB SPL 109 dB SPL 111 dB SPLTransformer Taps 100 V 1.5/3/6 W 3/6/12 W 3/6/12 W70 V 0.8/1.5/3/6 W 1.5/3/6/12 W 1.5/3/6/12 WOverload Protection Full-range power limiting to protect network and transducersConnector Euroblock (4 pin) ×1Wire size : Min. AWG24 (0.2 sq), Max. AWG16 (1.25 sq)Baffle PP, blackGrille Metal Grille Punching metal, Powder coatingblack (Munsell N3) / white (Munsell N9.3)Trim Ring ABS, black (Munsell N3) / white (N9.3)Back Can Steel, blackDimensions (Including grille) Ø225 × D95 mm Ø286 × D106 mm Ø325 × D122 mmWeight (Including grille) 2.1 kg 3.3 kg 4.2 kgCutout size Ø186 mm Ø247 mm Ø285 mmRequired ceiling board thickness 2 mm - 37 mmConduit tube Ø15.4 mm - Ø21.3 mmPackaging 1 pcIncluded in thepackageGrille, Safety wire, Cutout template, Owner's ManualReinforcingBracket Kit – C-Ring, Tile Rails × 2 C-Ring, Tile Rails × 2Optional accessories AB-C2 – –Wiring and installation shall be in accordance with the National Electrical Code, NFPA70 for United States, Canadian Electrical Code, CSA C22.1 forCanada and the local authority having jurisdiction.Installing the SpeakerBefore installing the speaker onto the ceiling, ensure that the strength of theceiling rail is sufficient.Pre-installation (Preparation of the Cable)• For cables attached to the Euroblock plug, strip the insulation as shownin the figure and connect them.1. Put the supplied cutout template to the ceiling and draw a circle by tracing it.Make sure to use the cutout template so that hole is the correct diameter.If you use a circular cutter, set the diameter using the cutout template.2. Cut the hole by tracing the circle.1. Pull the wiring from the power amplifier through the cut hole of the ceiling.2. Remove the terminal cover by loosening the four screws and pass thecable through the removed terminal cover according to the wiringdirection.In this manual, the example illustrations show the top terminal cover hole.The terminal cover do not have a holethrough which the speaker cable passes.Open a hole in the terminal cover (as shown)to use.3. Remove the Euroblock plug from the speaker. After loosening theterminal screws of the Euroblock plug with a flat-blade screwdriver,insert the cable into each terminal and tighten the screws.Make sure that cables cannot be pulled out.4. Plug the connected Euroblock plug into the socket in the speaker.5. Tighten the screws and then attach the terminal cover.NOTEThe example illustrations in this manual are of the VC4B.CAUTIONBe careful not to hurt your hands when handling this product.NOTICEWhen installing the speakers, turn off the power amplifier.NOTEDo not plate core wires by soldering if the cable uses stranded wire.Doing so will cause the wire to break.Cut Out a Hole in the CeilingCAUTIONWear goggles to prevent chips or powder entering your eyeswhile cutting the hole.When the included Reinforcing Bracket Kit or AB-C2 (soldseparately) is usedFor the VC8B, VC8W, VC6B, and VC6W, the included ReinforcingBracket Kit must be used.For the VC4B and VC4W, follow the instructions when using the AB-C2.1. Insert the two tile rails through the cut hole and place them on theceiling surface within your reach. Adjust their length and be sure thateach of the tile rails are oriented as shown below.2. Use the opening in the C-ring to slide one section of the C-Ring intothe cut hole, continuing to slide it around until the C-ring iscompletely inside the ceiling.3. Secure the C-ring and tile rails with the supplied two screws througheither slot of both C-ring brackets.About 7 mmCompatible cable:Min. AWG24 (0.2 sq)Max. AWG16 (1.25 sq)1C-ringC-ringTile railConnect the Wiring to the ConnectorCAUTIONUse an appropriate tool for open-ing the hole. Otherwise, injurymay result if you attempt to openthe hole with your bare hands.2Terminal coverSpeaker cableTerminal screwLoosenFlat-bladescrewdriverEuroblock plugTightenLess than 3 mmFrom amplifieror previousspeakersTo subsequentspeakers Use a flat-bladescrewdriver with a bladeless than 3 mm.1. Attach the safety wire to the safety wire ring, and connect the wire to anindependent support point, such as a joist.2. Push the speaker slowly up into the ceiling, taking care not to trap thespeaker cable, carrying band or safety wire.3. While lifting up the speaker, turn the screwdriver clockwise to tighten theattachment screw.The first turn of the attachment screw opens the clamp. Further turnsmove the clamp down the channel to pull the speaker up into the ceiling.When the clamp is difficult to open, turning the screwdriver halfwaycounterclockwise once will make it easier to open the clamp.Select the line voltage/impedance (100 V, 70 V, 16 Ω) and power tap for a100 V, 70 V line distributed system, by rotating the tap selector switch onthe front side of the speaker with a flat-blade screwdriver.When using the speaker with high-impedance connection, select theposition where wattage is indicated by the line (100 V, 70 V). Do not selectthe “ × ” setting when connecting to a 100 V line.When using it with low impedance connection, select the 16 Ω position.Fix the Speaker onto the CeilingCAUTIONAlways take measures to prevent the speaker from fallingdown.If the safety wire is too short, prepare another wire appropri-ate for the speaker weight and installation conditions.NOTICEDo not over-tighten the attachment screws. Otherwise, the attachmentscrews and clamps will break.3Safety wire ringSafety wireCarrying bandSafety wire SpeakercableCarrying bandSafety wire Speakercable(VC4B, VC4W, VC6B,VC6W, VC8B, VC8W)When the included ReinforcingBracket Kit or AB-C2 (soldseparately; VC4B and VC4Wonly) is used.(VC4B, VC4W)When the AB-C2 ReinforcingBracket Kit (sold separately)is not used.AttachmentscrewClampRemoving from the Ceiling1. While pressing the speaker against the ceiling, loosen theattachment screws by turning them counterclockwise.Loosen the screw and the clamp goes up, and as it reaches the top,the clamp closes as shown in figure below.2. Remove the safety wire from the speaker that is detached from theceiling.Set the Line Voltage/Impedance and PowerNOTICE• Make sure the amplifier is switched off before operating the tap selectorswitch.• If the setting is incorrect, it may cause malfunction of the speaker andamplifier.Attach the GrilleCAUTION• If the grille is not sufficiently turned, it may fall off. Sufficientlyturn the grille, until the fastening sections of the grille andspeaker are securely engaged.• If the ceiling material is soft, the baffle surface may sink intothe ceiling material due to overtightening of the attachmentscrews, and the grill may not fit properly.Clamp4The illustration indicates the setting at 6 W for a100 V line and 3 W for a 70 V line.100V1.53 6XX 16TAPSELECTOR70V0.81.5 36X51 Align the grille with the cabinet’sface and fit them together.2 Turn clockwise (approx. 30°) tosecure the grille.SPEAKER SYSTEMVC8B VC8W VC6B VC6W VC4B VC4WOwner’s ManualENEnglishVEY4150NOTICETo avoid the possibility of malfunction/damage tothe product or damage to other property, followthe notices below. Handling and maintenance• Do not expose the product to excessive dust orvibration, or extreme cold or heat, in order toprevent the possibility of panel disfiguration,unstable operation, or damage to the internalcomponents.• Be sure to observe the amplifier’s rated loadimpedance, particularly when connectingspeakers in parallel at low impedance.Connecting an impedance load outside theamplifier's rated range can damage theamplifier.• When using a high-impedance speakerconnection, make sure the audio signal ispassed through an 60 Hz or above high-passfilter before being input to the speakers.• Do not touch the speaker driver unit, since itmight cause malfunction.• Do not place vinyl, plastic or rubber objects onthe product, since this might cause alterationor discoloration of the panel.• When cleaning the product, use a dry and softcloth. Do not use paint thinners, solvents,cleaning fluids, or chemical-impregnatedwiping cloths, since this might cause alterationor discoloration.• Protection CircuitThis speaker system has an internal protectioncircuit that shuts off the speaker unit when anexcessive input signal is applied. If thespeaker unit emits no sound, reduce thevolume level of the amplifier immediately. (Thesound will return automatically in severalseconds.)• Do not place the speaker face down with thegrille attached, as deformation of the grille mayresult.• When placing the baffle face down, alwaysplace it on a flat surface.Information About this manual• The illustrations as shown in this manual are forinstructional purposes only.• The company names and product names inthis manual are the trademarks or registeredtrademarks of their respective companies. About disposal• This product contains recyclable components.When disposing of this product, pleasecontact the appropriate local authorities.Yamaha cannot be held responsible fordamage caused by improper use ormodifications to the product. |
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