TOA Electronics F-2352SC Speaker User Manual
Contents
1. HY TB1 optional Ceiling frame o o o o o lt Je o o o an Z Z as ZZ HY RR2 optional Ceiling panel 2 3 Ceiling mounting in a larger than specified hole Use the optional HY RR2 Reinforcement Ring in conjunction with the optional HY TR1 Trim Ring Note Refer to the instruction manual included with the HY TR1 for the correct ceiling mounting procedure Installed HY TR1 and HY RR2 2200 3300 mm 7 7 8 11 13 16 HY RR2 optional ee 7 Ceiling panel HY TR1 ee oe i o pti ona eee e Speaker unit 2 4 Mounting to an anchor bolt Installed HY AH1 and HY RR2 Use the optional HY RR2 Reinforcement Ring in conjunction with the optional HY AH1 Anchor Lat atl ELLLELE Hanging Bracket Anchor bolt Note smut Refer to the instruction manual included with the eat HY AH1 for the correct mounting procedure 1 optional HY RR2 optional y ULL Ceiling panel 2 5 Hanging from a ceiling suspension pipe exposed installation Use the optional HY BC1 Back Can Note Refer to the instruction manual included with the HY BC1 for Back Can installation Installed HY BC1 Example of mounting to suspension pipe m m Suspension pipe Caution Ensure that this length is shorter than 53 mm 2 3 32 Speaker cable Step 3 Connect the speaker cable to the push in terminal T2. 1 Use an electric screwdriver to tighten Cle Tightening torque 6 10 kgf cm 4 2 Exposed mounting in the case of Step 2 5 Use the optional HY BC1 Back Can To mount follow Step 4 1 Mounting tab WW Ps HY BC1 Back Can attached to suspension pipe optional Caution Take care not to pinch the speaker cable Electric screwdriver Step 5 Set the input power Turn the input selector switch on the unit s front to set it F 2352SC to the desired input impedance Factory preset to 1 7 kQ Important Never set this switch to low impedance 8 Q or 16 Q settings when using a high impedance 25 70 or 100 V line Failure to follow this instruction could result in damage to the speaker or amplifier Step 6 Attach the front grille Align the tabs 3 places on the back side of the grille with the corresponding notches in the unit then rotate the grille to full stop in the direction indicated by the LOCK arrow Speaker unit Tip The front grille employs a double locking system that clicks into place once partway through rotation but only locks into position at its point of full rotation Always be sure to rotate the grille to its full stop LOCK Sn Front grille accessory Tab 3 places 6 REMOVING THE SPEAKER FOR MAINTENANCE 6 1 Detaching the Front Grille Turn the front grille counterclockwise to full stop then lightly 1 Unlock pull it do
3. Stranded copper wire 0 75 1 25 mm equivalent to AWG 18 17 Finish Baffle Fire resistant ABS resin resin material grade UL 94 V O or its equivalent black Rim Fire resistant ABS resin resin material grade UL 94 V O or its equivalent white paint Punched net Steel plate white paint Dust cover Artificial fiber black Dimensions 230 9 is x Depth 154 mm 6 t46 Weight 1 5 kg including front grille Note The design and specifications are subject to change without notice for improvement e Accessories Front grille ssccccies ccctiteeeeesteeeeeceets Paper pattern e Optional Components HY RR2 Reinforcement ring HY TB1 Tile Bar Bridge HY TR1 Trim Ring This is a special fitting for use with the F 2352SC Use this ring when mounting the speaker unit to a weak ceiling This ring can also be used in conjunction with the HY TB1 HY TR1 or HY AH1 Place this bridge on the ceiling frame when mounting the speaker unit to a weak suspended ceiling Use this ring when mounting the speaker in pre existing holes that are larger than the designated 200 mm 7 7 8 in diameter HY AH1 Anchor Hanging Bracket Attach this bracket to an anchor bolt when mounting the speaker unit to a HY BC1 Back Can weak ceiling Use this Back Can when mounting the speaker unit in exposed hanging applications 11 Printed in Indonesia A TOA Corporation 533 06 094 8A
4. smell coming from the unit If no tone sounds A CAUTION e Avoid installing the unit in humid or dusty locations in locations exposed to the direct sunlight near the heaters or in locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock e 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 e Avoid touching the unit s sharp metal edge to prevent injury 2 GENERAL DESCRIPTION The F 2352SC is a 2 way flush mounted ceiling speaker that offers a wide frequency range and high quality sound output Use of optional mounting hardware permits versatile mounting to match a wide range of applications and installation locations 3 FEATURES e A rear open type 2 way speaker system employing a speaker element designed to provide a wide frequency range e Wide dispersion flush mount ceiling speaker design employs unique acoustic construction to realize a wide area of coverage Uniform sound output levels are achievable not only directly under the speaker but also over a wide radius e Because the speaker is provided with both low and high impedance operating capability it can be used in many different applications Front panel mounted input selector switch permits easy verification and change of current impedance settings even after installation e Easy i
5. A TOA INSTRUCTION MANUAL CEILING SPEAKER SYSTEM F 2352SC N p TABLE OF CONTENTS 1 SAFETY PRECAUTIONS cccccscccsseceeoes 2 6 REMOVING THE SPEAKER FOR MAINTENANCE o 9 2 GENERAL DESCRIPTION ccccccccs00 3 7 REPAINTING THE SPEAKER 10 3 FEATURES o 3 8 SPECIFICATIONS o on 11 4 NOMENCLATURE AND DIMENSIONS 3 Accessories PEREAS EAE E A ET 11 5 INSTALLATION oaaae 4 Optional Component seceeseeen 11 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 TOA Corporation 1 SAFETY 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 and understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards A WARNING A CAUTION Indicates a potentially hazardous situation which if mishandled could result i
6. ip Use the 600 V vinyl insulated cable IV or HIV wire The following matching cable types are recommended e Solid copper wire Press fully down on the corresponding terminal button and insert the cable Tip To detach the cable press fully down on the terminal button again then pull the cable If not bridging Step 4 Mount the speaker 0 8 91 6 mm equivalent to AWG 20 15 e Stranded copper wire 0 75 1 25 mm equivalent to AWG 18 17 ey HY BC1 optional 9 mm 23 64 If bridging To the next speaker A Caution the figure through the mounting hole Before mounting check to be sure that the speaker s 3 mounting tabs are turned inside the unit as shown in If turned outward the speaker cannot be inserted IPSE Out N Mounting tab ie 4 1 Flush ceiling mounting in the cases except for Step 2 5 Insert the speaker through the mounting hole till it contacts the ceiling panel While doing so avoid directly touching the speaker s diaphragm and diffuser section i WARNING Never grab the diffuser section as a hand hold The speaker could fall due to damage resulting in possible personal injury Diffuser section O Rotate and tighten the mounting tab axis screws 3 places on the unit clockwise to their full stop in order to grip the ceiling panel with the mounting tabs Mounting tab axis screw Mounting tab
7. led steel plate Frame Fire resistant ABS resin acrylic paint e Be sure to follow the directions indicated on the paint when painting After the paint has dried apply another light coat Caution Repeating Step 2 apply two or more light coats of paint Application of one thick coat of paint all at once may cause drips or unevenness to show up in the painted finish or clog the mesh holes 8 SPECIFICATIONS Rated Input 6 W High Impedance Power Handling Capacity Continuous pink noise 9 W 8 Q 6 W 16 Q Continuous program 18 W 8 Q 12 W 16 Q Impedance 100 V line 1 7 kQ 6 W 3 3 kQ 3 W 10 kQ 1 W 20 kQ 0 5 W 70 V line 830 Q 6 W 1 7 KQ 3 W 3 3 KQ 1 5 W 10 KQ 0 5 W 20 kQ 0 25 W 25 V line 830 Q 0 75 W 1 7 kQ 0 4 W 3 3 kQ 0 2 W 10 kQ 0 06 W 20 kQ 0 03 W 169 8 Q Sound Pressure Level 89 dB 1 W 1 m Frequency Response 80 20 000 Hz 10 dB 50 20 000 Hz 20 dB at installation in 1 2 free sound field Measured by installing the unit in the center of a ceiling Speaker Component High frequency Balanced dome type Low frequency 12 cm 5 cone type Mounting Hole 200 7 7 s Maximum ceiling thickness 37 mm 1 2 64 Input Terminal Push in connector Bridging terminal 2 branch type Usable Cable 600 V vinyl insulated cable IV wire or HIV wire Solid copper wire 60 8 1 6 mm equivalent to AWG 20 15
8. n death or serious personal injury Indicates a potentially hazardous situation which if mishandled could result in moderate or minor personal injury and or property damage A WARNING e Leave the installation to your TOA dealer because the installation requires expert knowledge Improper installation may cause the unit to fall resulting in personal injury and or property damage Install the unit in a location that can structurally support the weight of the unit and its mounting hardware Doing otherwise may result in the unit falling down and causing personal injury and or property damage Do not use other methods than specified to mount the unit Extreme force is applied to the unit and the unit could fall off possibly resulting in personal injuries Tighten each screw securely Ensure that the unit has no loose joints after installation to prevent accidents that could result in personal injury Do not hold the diffuser as a handle to carry the unit If the diffuser breaks off the unit falls off resulting in possible personal injury e Use the specified mounting hardware in combination Doing otherwise may cause the unit or component to fall off resulting in personal injury e Should the following irregularity be found during use immediately stop operating the unit and contact your nearest TOA dealer Further attempt to use under this condition may cause fire or electric shock If you detect smoke or a strange
9. nction with the optional HY TR1 Trim Ring Mounting to an anchor bolt Use the optional HY RR2 in conjunction with the optional HY AH1 Anchor Hanging Bracket e Hanging from a ceiling suspension pipe exposed installation Use the optional HY BC1 Back Can Mount the speaker using the most appropriate method for the ceiling panel or installation location Step 1 Cut a 9200 mm 7 7 8 hole in the ceiling 0200 5 mm 7 7 s 3 64 Use the supplied paper pattern to position and trace the hole e a Ceiling panel WARAL S NON Step 2 Mount fittings to a ceiling or hanging pipe Tip Skip this step when the ceiling is strong no additional hardware needed 2 1 Direct mounting to a weak ceiling panel een Fold the optional HY RR2 Reinforcement a Ring in half and insert it through the mounting hole in the ceiling panel then open it with its tabs facing up Place the ring on the ceiling panel aligning it with the mounting hole Mounting hole HY RR2 optional The HY RR2 is too large to be inserted into the mounting hole unless folded JL HY RR2 placed on ceiling panel These tabs must M face upward Zo EZ away from the hole 2 2 Mounting to a ceiling frame Use the optional HY RR2 Reinforcement Ring in conjunction with the optional HY TB1 Tile Bar Bridge Note Refer to the instruction manual included with the HY TB1 for the correct ceiling mounting procedure Installed HY TB1 and HY RR2
10. nstallation Can be quickly and accurately mounted to ceilings and walls e Rotating front grille can be installed quickly and conveniently e Attractive exterior design specially created by an interior designer blends naturally with any architectural space enhancing the immediate area s sense of harmony e Use of the optional HY BC1 permits exposed speaker installation 4 NOMENCLATURE AND DIMENSIONS Unit mm inches Front Side Rear ry Dust cover 230 9 1 16 _ 41 1 39 64 Front grille accessory 154 6 1 16 Push in terminal Ceiling mounting Mounting hole 9200 7 7 8 a WZ wa Max 37 1 29 64 Max 113 4 29 64 Ceiling panel 5 INSTALLATION A dust cover is pre mounted on the rear of the speaker at the factory Pay attention not to accidentally take it off during speaker installation The F 2352SC ceiling speaker can be mounted in 6 different configurations e Direct mounting to a strong ceiling panel No additional hardware required e Direct mounting to a weak ceiling panel Use the optional HY RR2 Reinforcement Ring e Mounting to a ceiling frame Use the optional HY RR2 in conjunction with the optional HY TB1 Tile Bar Bridge e Ceiling mounting in a larger than specified hole Use the optional HY RR2 in conju
11. wnward Qs Tip 8 30 8383 3883 The front grille employs a double locking system If the grille cannot be detached when lightly pulled downward it likely has not yet been fully rotated back to the detachment Front grille position In such cases take care to rotate the grill fully J counterclockwise in order to release the lock 2 Pull lightly 6 2 Removing the Speaker Rotate the 3 mounting tab axis screws counterclockwise The mounting tabs rise as they turn allowing the speaker to be removed Caution When loosening the mounting tab axis screws support the speaker by hand to prevent it from falling Screw cap Mounting tab t Mounting tab axis screw Use an electric screwdriver to detach Caution Be sure to set the screwdriver s torque for under 4 kgf cm Failure to do so may cause the Screw cap and the Mounting tab to fall off on the rear of ceiling panel 10 7 REPAINTING THE SPEAKER Follow the procedure below when repainting the front grille Step 1 Step 2 Step 3 Clean the front grille before painting Wipe with a soft cloth dampened in a detergent Caution Do not use thinner or other volatile liquids to clean the grille Spray on a uniform thin coat of paint Cautions e Avoid painting with a roller or brush as the grille mesh holes could become clogged with paint e Use appropriate spray paints for the front grille grille and frame materials Grille Rol
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