TOA Electronics H-3 User's Manual
Contents
1. evenly and gradually Stud receptacle Caution If you pull only from one two of the three positions stud receptacles the front grille may be damaged Be sure to pull from the three positions evenly and gradually 8 OUTDOOR USE H 3WP ONLY 8 1 Installation Precautions The H 3WP features drip proof construction for permanent outdoor installation However do not dash water over it when cleaning as this may cause damage to the speaker components When installing the H 3WP in a snowy area protect the speaker so that it is not covered with snow 8 2 Waterproofing the Base Frame The H 3WP s base frame has a gasket for watertightness To prevent water from getting into a gap between the base frame and wall apply commercial caulking agent over the inside of the gasket before mounting the base frame Base frame Note Take care not to apply too much caulking agent If it spreads to the lock tab the lock tab does not smoothly rotate and the speaker may not be mounted or detached Caulking agent Gasket 9 REPAINTING THE FRONT GRILLE Follow the procedures below to change the color of the grille Step 1 Wipe dirt off the front grille with a soft cloth moistened with a detergent before painting Do not use volatile liquids such as thinner Step 2 Uniformly spray a thin coating of paint over the grille changing the spraying positions gradually Notes Do not use a roller or brush to paint becaus2. to be used for both 70 V and 100 V line applications When using the 100 V line do not select the 170 impedance since the speaker itself or power amplifier may be damaged Step 2 4 Insert the detachable input connector into the speaker socket Detachable input connector Step 3 Speaker and grille mounting Step 3 1 Rotate the two speaker lock tabs away from their locking position on the edge of speaker Lock tab Step 3 2 After aligning the speaker with the base frame rotate the two lock tabs back into position to clamp the speaker to the base frame Temporary fixing state Base frame Lock tab The state that the speaker is clamped to the base frame Rotate both the left and right lock tabs in the direction indicated by the arrow Note When mounting the speaker take care not to damage the diaphragms of both the woofers and tweeter Step 3 3 Position the speaker and tighten the two locking screws Locking screws 2 places left and right Step 4 Set the front grille to the speaker so that the three stud screws align with the corresponding stud receptacles then push the grille onto the speaker Front grille Stud screw 3 places indicated by arrow 7 REMOVING THE FRONT GRILLE Step 1 Insert a slotted screw driver into each of the three stud receptacles to widen a gap between the grille and wall Step 2 Pull the grille by hand from the three positions
3. Za OPERATING INSTRUCTIONS SPEAKER SYSTEM H 3 H 3WP Please follow the instructions in this manual to obtain optimum results from this unit We also recommend that you keep this manual handy for future reference TABLE OF CONTENTS 1 SAFETY PRECAUTIONS 2 2 GENERAL DESCRIPTION 3 3 FEATURES 3 4 HANDLING PRECAUTIONS coss 3 5 NOMENCLATURE AND DIMENSIONS 4 6 INSTALLATION 5 6 2 Installation Example Using Two Gang Electrical Box 5 6 3 Installation Procedures err terret eee re erat mre erties 6 7 REMOVING THE FRONT GRILLE 9 8 OUTDOOR USE H 3WP ONLY 8 1 Installation Precautions wo ener nennen 10 8 2 Waterproofing the Base Frame sss enne 10 9 REPAINTING THE FRONT GRILLE 10 10 PROTECTION CIRCUITRY INFORMATION 11 11 EQUALIZATION 11 12 SPECIFICATIONS 2 anten ina ote cbe 12 AGCOSSOLNIOS Postea a de d aqu Bos evum be Deed eR Rp Nuus 12 Corporation 1 SAFETY PRECAUTIONS Be sure to read the instructions in this section carefully before use Make sure to observe the ins
4. e the grille mesh could be clogged with paint Use paint that is appropriate for the material of the front grille grille and frame H 3 Grille Rolled steel plate Frame Fire resistant ABS resin H 3WP Grille Stainless steel Frame Fire resistant ABS resin Follow the instructions on the paint when painting Step 3 After the paint dries repeat Step 2 to repaint Note Be sure to repeat Step 2 at least twice If you paint only once the paint may not be uniformly applied or the grille mesh may be clogged 10 10 PROTECTION CIRCUITRY INFORMATION The speaker s tweeter has built in overload protection circuitry The woofer does not have the circuitry If there is an extremely high level input signal to the tweeter the overload protection circuitry is activated and cuts off the signal input to the tweeter A sudden drop of the sound volume level during speaker operation indicates that the overload protection circuitry has been activated In such a case reduce the amplifier volume and wait The protection circuitry is automatically reset after approximately ten seconds After the circuitry is reset set the volume at a lower level than before Caution This overload protection circuitry does not completely protect the tweeter Depending on the nature of the excessive signal applied to the speaker there may be damage to the speaker before the protection circuitry can operate Also depending on the duration of the excessive inp
5. edance settings Step 2 1 Unplug the detachable input connector from Detachable input connector the speaker socket and loosen the screws of the terminal with a screwdriver Step 2 2 Insert the stripped cable ends into the input connector and retighten the terminal screws Single connection Bridge connection From power amplifier r Wes lt gt To next speaker S 25 Vg S Q Note When not bridging the connection tighten the screws of unused terminals to prevent resonance noise Step 2 3 Attach two sockets to the impedance selection connector to select the desired impedance The impedance is preset to 330 Q 30 W for 100 V line and 15 W for 70 V line When selecting 8 When selecting 16 When selecting 330 Preset by the factory Socket 8 USE 8 USE 160 13k USE 169 13k9 USE e i51 100 70 8 100 70 92 100 70 Line Line 160 IT T 160 tes Line Line 3091 1704 5 x 30WH 1708 x 308 30W b 3302 30 15 H Sj 15W 75W H 6702 j BW 75 16708 OW 75W 75WB75W 13ka o u 75WB75W 13ka 75WB75 Note The H 3 and H 3WP speakers are designed
6. eld Frequency Response 100 20 000 Hz 10 dB installation in 1 2 free sound field Crossover Frequency 4 000 Hz Speaker Element Low frequency 10 cm cone woofer neodymium magnet x 2 High frequency 2 5 cm dome tweeter Input Terminal Detachable screw terminal 2 each for bridge connection Usable Cable Solid or stranded cable 0 2 2 5 mm corresponding to AWG24 14 Finish Enclosure Fire resistant ABS resin UL 94V 0 black Front Grille Rolled steel plate white paint Stainless steel white paint Grille Frame Fire resistant ABS resin UL 94V 0 white paint Base Frame Rolled steel plate Stainless steel Dimensions 295 w x 318 h x 129 d mm Weight 3 3 kg base frame included Pink noise input 50 20 000 Hz 24 hours Note The design and specifications are subject to change without notice for improvement Accessories Base frame eese 1 Screws for electrical box mounting MA 25 etras 4 Unified UNC No 6 32 x 32 4 Plain washer 4 Spring washer 4 P 533 06 065 60 A
7. mounted on the wall Two 10 cm woofers feature a neodymium magnet which ensures powerful low distortion low frequency sound reproduction 2 5 cm soft dome tweeter also employs a neodymium magnet for clear low distortion high frequency sound reproduction and high power handling capability Built in crossover network circuitry features sharp cut off characteristics that realize uniform energy radiation while suppressing unwanted input signals to the woofer or tweeter Two lock tabs secure the enclosure to the supplied base frame The base frame can be mounted directly to a 2 unit electrical box A built in matching transformer permits the speaker to be used for both high and low impedance applications For low impedance applications either the 8 Q terminal or 16 terminal can be selected Impedance can be easily changed from outside the unit Detachable input connectors with dual positive and negative terminals for bridge connections Enclosure is made of fire resistant ABS resin UL Standard 94V 0 Grade Front grille is specially designed for ease of refinishing and repainting 4 HANDLING PRECAUTIONS To clean wipe the unit with a dry cloth When the unit gets very dirty use a cloth damped in a neutral detergent Never use benzine thinner or chemically treated towel as this could damage the unit s form or finish Avoid using the H 3WP speaker on the beach because the speaker s life can be greatly shortened b
8. riate for the wall s structure and composition Failure to do so may cause the speaker to fall resulting in material damage and possible personal injury Tighten each nut and bolt securely Ensure that the bracket has no loose joints after installation to prevent accidents that could result in personal injury When the Unit is in Use Should the following irregularity be found during use immediately switch off the power disconnect the power supply plug from the AC outlet and contact your nearest TOA dealer Make no further attempt to operate the unit in this condition as this may cause fire or electric shock If you detect smoke or a strange smell coming from the unit If water or any metallic object gets into the unit If itis malfunctioning no tone sounds N CAUTION When the Unit is Use Do not operate the unit for an extended period of time with the sound distorting This is an indication of a malfunction which in turn can cause heat to generate and result in a fire 2 2 GENERAL DESCRIPTION TOA s H 3 and H 3WP are wall mounted 2 way speakers featuring wide horizontal dispersion The H 3 is designed for indoor use and the H 3WP is designed for outdoor use Note Protect the H 3WP from rain when installing Refer to p 10 Waterproofing the base frame 3 FEATURES Smooth curved surface blends in with the interiors of most modern buildings Wide horizontal dispersion covers wide areas when
9. rical box 6 3 Installation Procedures Step 1 Base frame mounting The base frame can be mounted on the wall directly or using a commercial two gang electrical box The base frame hole 21 6 mm in diameter can also be used for conduit fitting Step 1 1 Step 1 2 Conduit Base frame Run the speaker cables from the wall through the base frame hole 21 6 mm in diameter then strip the cables about 5 mm from the cable end Usable cable Solid or stranded cable 0 2 2 5 mm corresponding to AWG24 14 Mount the base frame on the wall using four screws Notes The speaker cannot be mounted if the base frame is not properly positioned Ensure that the base frame hole is situated on the upper side of the frame when mounted Use nuts and bolts not supplied with the unit for direct wall mounting that are appropriate for the structure and composition of the wall When using two gang electrical box use either the supplied M4 machine or Unified screw depending on the type of electrical box Protect the H 3WP from rain when installing it outdoors Refer to p 10 Waterproofing the base frame Direct wall mounting Wall mounting by means of a commercial two gang electrical box Base frame RU TE Speaker cable Use either the supplied M4 machine screw or Unified Use screws that are appropriate screw depending on the type of electrical box for the structure of the wall Step 2 Wiring and imp
10. tructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included We also recommend you keep this instruction manual handy for future reference Safety Symbol and Message Conventions Safety symbols and messages described below are used in this manual to prevent bodily injury and property damage which could result from mishandling Before operating your product read this manual first and understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards AN WARNING Indicates a potentially hazardous situation which if mishandled could result in death or serious personal injury AN CAUTION Indicates a potentially hazardous situation which if mishandled could result in moderate or minor personal injury and or property damage N WARNING When Installing the Unit Install the unit only in a location that can structurally support the weight of the unit and the mounting bracket Doing otherwise may result in the unit falling down and causing personal injury and or property damage Use the H 3WP in locations where the temperature is between 15 and 50 When installing in the snowy area take appropriate measures to prevent snow from lying on the unit If the ambient temperature exceeds 15 or 50 or if the snow lies on the unit the unit may fall causing personal injuries Use nuts and bolts that are approp
11. ut signal the protection circuitry may be damaged and will not recover Take special care that the excessive input is not applied to the speaker during use 11 EQUALIZATION The H 3 and H 3WP speakers are designed to provide good quality sound without additional signal processing However by equalizing them as shown below sounds can be made more powerful and intelligible Using a digital signal processor use the following equalization settings dB When not using a subwoofer 20 Frequency Gain Q 63 Hz 100 Hz 220 Hz 500 Hz 5 000 Hz 40 20 50 100 500 1k 5k 10k 20k Frequency Gain Hz When using a subwoofer 63 Hz 100 Hz 220 Hz 500 Hz 30 5 000 Hz 40 20 50 100 500 1k 5k 10k 20k Frequency Gain Hz 11 12 SPECIFICATIONS Enclosure Sealed type Power Handling 150 continuous program input 8 load 50 W continuous pink noise input 8 Q load Rated Input 30 W 16 Q or high impedance Rated Impedance 80 160 70 V line 170 30 W 330 15 W 670 7 5 W 1 3 3 75 W 100 V line 330 30 W 670 15 W 1 3 7 5 W Sound Pressure Level 89 dB 1 W 1 m installation in 1 2 free sound fi
12. y sea breezes 5 NOMENCLATURE AND DIMENSIONS The illustrations assume that the front grille is mounted to the speaker Unit mm Front Side Rear 295 129 Connector for impedance selection 4 A de D Y Lock tab lt uem d Speaker Detachable input connector Bottom Front grille e Base Frame Accessory T 203 gi 1 6 1 5 120 1 LN zs 8 9 D 5 6 5 5 921 6 9 46 2 a 1 For mounting to a wall 2 For mounting to two gang electrical box Dimensions in parentheses apply to the H 3WP 6 INSTALLATION 6 1 Contents Check to be sure that the following components are available in a complete set before installation Speaker 1 Front grille 1 Base frame 1 Screws and washers for electrical box Machine screw Unified screw UNC No 6 32 x 32 4 SIIS Plain washer 4 eeoo Spring washer 4 eee 6 2 Installation Example Using Two Gang Electrical Box Connector for impedance selection x Wall Detachable input connector Speaker cable A Front grille Base frame A Commercial two gang electrical box SS Screw washer for electrical box Speaker N To mount to two gang electrical box use either the supplied M4 machine or Unified screw depending on the type of the elect
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