TOA Electronics H-1 User's Manual
Contents
1. 1 1 Using the supplied hole pattern sheet as a guide 287 2 Adapter Panel make an opening of the specified size in the wall or 268 Mounting hole ceiling panel ES EAR RARRRARSE Ae WAR Rea aS E s 2 i Note ve The thickness of the suitable wall or ceiling panel is 9 Zim to 30 mm 5 i lt x Q i t N ir RON E O E S 4 o 1 2 Loosen the two board clamp screws Board clamp 1 3 Place the Adapter Panel inside the opening and set the panel to the desired position using the positioning tabs Adapter Panel Positioning tab 1 4 Clamp the wall or ceiling panel using the two board clamps and secure with the clamp screws Step 2 Wiring and impedance changes 2 1 Pull the cables out of the mounting hole in the wall or ceiling then strip the insulation back about 5mm from the cable ends Note Usable cable Solid cable or stranded cable 0 2 mm 2 5 mm Corresponding to AWG No 24 14 2 2 Remove the detachable input connector from the speaker then loosen the connector screws with a small slot screwdriver 2 3 Insert the stripped cable ends into the input connector and tighten the connector screws e When not bridging When bridging connections connections Note pai From amplifier When not bridging connections be sure to also Ne P tighten the screws of the terminals not in use to avoid vibration or rattling noise IS To next a speaker 2 4 Attach two impedance2. e The cylinder shaped speaker s mounting angle can be easily adjusted for up to 45 degrees rotation e A built in matching transformer permits the speaker to be used for both high and low impedance applications For low impedance applications either the 4 Q or 16 Q terminal can be selected Impedance can be easily changed from outside the unit e Detachable screw terminals facilitate connection Dual positive and negative terminals also facilitate bridge connections e Both the speaker enclosure and Trim Piece are made of fire resistant ABS UL Standard 94 V 0 Grade e All external parts have been specially selected for ease of refinishing and repainting 4 HANDLING PRECAUTIONS The speaker is not magnetically shielded Install it as far away as possible from television sets or computer s CRTs to avoid degradation in picture quality 5 NOMENCLATURE Side Panel Front Panel Side Panel H 1 speaker 126 yc Le Grille Trim Piece Side Panel 312 46 44 230 8 For mounting to the Adapter Panel Mounting bracket Rear Panel For mounting to an electrical box Accessory Adapter Panel 287 2 230 8 For mounting the H 1 speaker 255 6 10 1 10 For mounting to an electrical box 254 10 For mounting to an electrical box Unit mm 6 INSTALLATION 6 1 Direct Wall Ceiling Mounting Without Using an Electrical Box Step 1 Adapter Panel mounting
3. selector sockets to the connector to select the desired impedance Preset to 830 Q 12 W for 100 V line and 6 W for 70 V line Note The speaker is designed to be used for both 70 V and 100 V line applications When using the 100 V line do not select the 420 Q impedance since the speaker itself or power amplifier may be damaged e When selecting 4 Q e When selecting 16 Q e When selecting 830 Q Impedance selector socket preset by the factory 2 5 Insert the detachable input connector into the speaker socket Step 3 Mounting the speaker and Trim Piece Adapter Panel 3 1 Align the four inward facing holes in the speaker s mounting bracket with the corresponding holes in the Adapter Panel mounting tabs then mount the speaker to the panel using the four supplied screws M4 x 25 screws with both the spring washers and plain washers H 1 speaker 3 2 Loosen the angle adjustment screws After adjusting the angle retighten the screws Tip The mounting angle can be adjusted for up to 45 Since the mounting bracket is marked with mounting angles at 15 intervals use this marking as a guide when adjusting the angle I Stud screw OK KK KS Ve BS lt 3 3 Align the two securing clips on the Trim Piece with the speaker s two stud screws then push the Trim Piece onto the speaker until the Trim Piece is snug to th
4. 44 OA A OPERATING INSTRUCTIONS SPEAKER SYSTEM H 1 Please follow the instructions in this manual to obtain the optimum results from this unit We also recommend that you keep this manual handy for future reference TABLE OF CONTENTS 4 SAFETY PRECAUTIONS iniri ienna ete ts Aue rh Sela ee eld 2 9 GENERAL DESCRIPTION tittetscsees ienen eni n n a a ii 3 3 FEATURES ieres ma a e e ee a Eaa ott Bae hee tee a ete 3 4 HANDLING PRECAUTIONS cicrosssii ieni ai E ii 3 5 NOMENCLATURE senenn t ari aeaa e anne AEAEE RGE A Ea NEEE REHENES ESES 4 6 INSTALLATION 6 1 Direct Wall Ceiling Mounting Without Using an Electrical BOX seseeeseeeerrererereerererersneeeereeee 5 6 2 Mounting the Speaker to an Electrical Box Using The Adapter Frame severererereee 8 6 3 Mounting the Speaker Directly to AN Electrical BOX resssessssrrssssssessssreesooroeseoresneeeserosseresesss 9 6 4 Removing the Trim Pjece ee es eeessseesssserereereseonreereeresrenosuruercsrenerreareeseestoresreeroereereeeeeveruueserses 9 7 REPAINTING THE GRILLE AND TRIM PIECE vvsestsssscscsecsssssesssssesessesccesesessenssnseers 10 8 PROTECTION CIRCUITRY INFORMATION eeeessesssesssreesressesesssersesrseseesrsesesossesrere 11 9 EQUALIZATION ennie rn a a A eli dia aise 12 10 SPECIFICATIONS eoste korirra tto an R E AE E EE EREA 12 Accessories seeeeeserressereereeresrenecereerearuereoreuseereraeroeresresenereeseorareseesereereovereessereeseeseeensssueereereenesieres 12 TOA Corporation 1 S
5. AFETY PRECAUTIONS e Be sure to read the instructions in this section carefully before use e Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included e 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 so you are thoroughly aware of the potential safety hazards as well as understand the safety symbols and messages Indicates a potentially hazardous situation which if mishandled A WARNING could result in death or serious personal injury Indicates a potentially hazardous situation which if mishandled AN CAUTION could result in moderate or minor personal injury and or property d amage WARNING Z CAUTION When Installing the Unit E When the Unit is in Use e Install the unit only in a location that can e Do not operate the speaker for an extended period structurally support the weight of the unit and the of time with the sound distorting This is an mounting bracket Doing otherwise may result in indication of a malfunction which in turn can cause the speaker falling down and causing personal heat to generate and result in a fire injury and or pro
6. e wall or ceiling surface H 1 speaker Securing clip VE f Stud screw 6 2 Mounting the Speaker to an Electrical Box Using The Adapter Panel The H 1 speaker system can be mounted to walls or ceilings using an electrical box Mount the Adapter Panel to the electrical box as shown below Further mounting procedures are the same as detailed in Steps 2 and 3 Distance between mounting holes A x B 254 mm 10 x 66 7 mm 2 5 8 or 255 6 mm 10 140 x 55 6 mm 2 416 Electrical box Adapter Panel H 1 speaker Memo Electrical box mounting screws are attached to the H 1 speaker 8 6 3 Mounting the Speaker Directly to an Electrical Box The H1 speaker system can also be mounted directly to an electrical box Follow Steps 2 and 3 for instructions In this case use the outward facing holes in the mounting bracket when mounting to the wall or ceiling Distance between mounting holes A x B 254 mm 10 x 66 7 mm 2 s or 255 6 mm 10 140 x 55 6 mm 2 4 16 Electrical box Memo Electrical box mounting screws are attached to the H 1 speaker Note The distance between the wall or ceiling surface and the box bottom surface must be 45 mm or more i When using the Raco 953 electrical box be careful in installation because it is shallow 45 mm or more 6 4 Removing the Trim Piece When removing the Trim Piece for maintenance or repair squeeze its sides by hand to create a gap between the T
7. he grille upside down so that the surface is painted uniformly 6 After the paint has dried remount the grille to the speaker 10 7 Attach the grille to the speaker with its two mounting screws 8 Reattach the mounting bracket to the speaker with the angle adjustment screw 8 PROTECTION CIRCUITRY INFORMATION e The speaker has built in overload protection circuitry If there is an extremely high level input signal to the speaker the overload protection circuitry is activated and cuts off the signal input to the speaker component e 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 3 30 seconds After the circuitry is reset set the volume at a lower level than before Important Note This overload protection circuitry does not completely protect the speaker component Depending on the nature of the excessive signal applied to the loudspeaker there may be damage to the loudspeaker components before the protection circuitry can operate Also depending on the duration of the excessive input 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 9 EQUALIZATION e The H 1 is designed to provide good quality sound without addit
8. ional equalization However by equalizing it as shown below sounds can be made more powerful and intelligible e Using a digital signal processor such as DP 0202 or DP 0204 make the following equalization setting Frequency ae 118 Hz Q 0 707 125 Hz r dB Q 1 800 220 Hz 6 5qB Q 1 414 5kHz 15dB Q0 305 15 8 kHz Q 0 500 20 50 100 500 1k Sk 10k 20k Frequency Gain THz 11 10 SPECIFICATIONS Enclosure Type Sealed type Power Handling 90 W continuous program input 4 Q loaded 30 W continuous pink noise input 4 Q loaded Rated Input 12 W 16 Q or high impedance Rated Impedance 42 169 70V line 420 Q 12W 830 Q 6 W 1 7k Q 3W 3 3k Q 1 5W 100 V line 830 Q 12W 1 7k Q 6 W 3 3k Q 3 W Output Sound Pressure Level 85dB 1W 1m 2 x loading Frequency Response 120 Hz to 20 kHz 10 dB 27 loading Crossover Frequency 5 000 Hz Speaker Element Low frequency 8 cm x 5 cm cone woofer neodymium magnet High frequency Balanced dome tweeter Input Terminal Detachable screw terminal 2 each for bridging connection Usable Cable Solid cable or stranded cable 0 2 mm 2 5 mm Corresponding to AWG No 24 14 Material and Finish Enclosure Fire resistant ABS resin UL 94V 0 black Trim Piece Fire resistant ABS resin UL 94V 0 white Grille R
9. olled steel plate white paint Adapter Panel Stainless steel Dimensions 312 w x 126 h x 90 d mm Weight 1 5 kg including Adapter Panel Continuous 24 hours band limited pink noise 50 to 20 000 Hz Pink noise 1 000 Hz to 10 000 Hz i Note The design and specifications are subject to change without notice for improvement e Accessories Adapter PANE Seprerr teesina ae 1 Pattern paper ae 1 Speaker mounting screw M4 x 25 with spring washer and plain washer PEENE EEE OA E 4 Electrical box mounting screw MAX D5 oeer ea R lake 4 UNC No 8 32 X 32 MM cvvesseeeeeserseeeteeees 4 Spring washer ee 4 Plain washer eeeeereee eee t ee eeeeee ere eee eeteeeeres 4 Printed in Japan 133 01 413 2A ra TOA Corporation TOA
10. perty damage E When the Unit is in Use e Should the following irregularity be found during use immediately stop operating the unit 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 e If you detect smoke or a strange smell coming from the unit e If water or any metallic object gets into the unit e If it is malfunctioning no tone sounds 2 GENERAL DESCRIPTION TOA s H 1 is a cylinder shaped small flush mount 2 way speaker featuring high sound quality 3 FEATURES e The H 1 Speaker System features flush mount speaker design with a rotatable cylinder type enclosure The speaker s smooth curved surface allows it to blend in with the interiors of most modern buildings e The speaker s small 8x5 cm woofer features a magnetic circuit employing a neodymium magnet that ensures powerful sound reproduction e The one inch balanced dome tweeter features ferro fluid to ensure superb transient response characteristics for clear high frequency sound output and high power handling capabilities e The speaker s 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 e The H 1 Speaker System is designed with an emphasis on installation ease and safety as well as easier conduit wiring when an electrical box is installed
11. rim Piece and wall ceiling then insert a screwdriver blade into the gap and pry off the piece Caution If you raise either right or left side of the Trim Piece by force it may be broken Pull the both sides out evenly and gradually 7 REPAINTING THE GRILLE AND TRIM PIECE Follow the procedures below to change the color of the grille 1 Remove the speaker s angle adjustment screw 1 piece 2 Detach either of the two mounting brackets attached to the speaker Mounting bracket Angle adjustment screw Grille mounting screw 3 Remove the two grille mounting screws from the back of the speaker 4 Slide the grille off the speaker 5 Paint both the grille and Trim Piece 5 1 Wipe dirt off the grille and Trim Piece with a soft cloth moistened with a detergent before painting Do not use volatile liquids such as thinner 5 2 Uniformly spray a thin coating of paint over the grille and Trim Piece changing the spraying positions gradually Notes e Do not use a roller or brush to paint because the meshes of the grille could be clogged with paint e Use paint that is appropriate for the composition of the grille and Trim Piece Grille Rolled steel plate Trim Piece Fire resistant ABS resin e Follow the instructions on the paint when painting 5 3 After the paint dries repeat Step 5 2 once or twice to repaint Notes e Be sure to repeat Step 5 2 at least twice e When repainting the front grille place t
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