TOA Electronics HB-1 Speaker User Manual
Contents
1. Horizontal cross sectional gt 7777 XJ HB 1 1 Frame lumber Front grille two by four construction Wall Fixing screw Mounting bracket 6 2 2 Installation order Step 1 Using the supplied cutout template make a 360x480 mm mounting hole in the wall or ceiling panel Note There must be at least 103 mm of depth behind the wall or ceiling panel The unit is mountable on the panel with thickness of 12 33 mm Mounting surface N E E Mounting 103 mm or more 9 hole Panel 12 33 gt ja 360 mm Step 2 Loosen the screws of the hook clips 4 places attached to the mounting bracket and leave each screw sticking out approximately 2 mm Approx 2 mm L Hook clip Mounting bracket Step 3 Insert the mounting bracket into the hole made in Step 1 and mount it to the back of the wall or ceiling panel To mount clamp the wall or ceiling panel with the hook clips 4 places then tighten the hook clip screws HE s Mounting bracket Step 4 Fix the mounting bracket to the wall or ceiling panel When mounting the bracket to two by four construction Secure the bracket to the frame lumbers from the inside 3 places on the left and 3 places on the right side of the bracket Note Prepare the screws not supplied with the unit that are appropriate for the frame lumbers When mounting2. Mounting bracket Rolled steel plate black paint Dimensions 430 w x 544 h x 135 d mm Weight 11 kg front grille and mounting bracket excluded Optional Matching Transformer MT S0601 rated at 60 W Note The design and specifications are subject to change without notice for improvement Accessories Mounting bracket 1 Front grille eere 1 Anchor piece 2 Stud holder 2 4 Pattern paper ote 1 Masking tape long and short 2 each Mounting screws M5x10 for anchor 4 3x8 for stud holder 4 M4x30 with plain and spring washers 6 Spring washer M5 for anchor piece 4 Plain washer M5 for anchor piece 4 E 4 533 06 067 00 A 2 Corporation
3. Ni N p J V w Note Tighten the screws of the unused terminals to To next sub woofer system prevent resonance noise Step 8 Reinsert the detachable input connector into the unit s socket then fit the unit in the mounting bracket Detachable input connector Mounting bracket Step 9 Rotate the lock tabs 4 places until each contacts the fixing screw head left sticking out in Step 5 Lock tab Fixing screw 6 Lock tab screw RO O Step 10 Retighten both the fixing screws 4 places and lock tab screws 4 places Lock tab nael E Step 11 Using two more supplied fixing screws fix the unit to the mounting bracket securely at two places shown in the figure Note After completing all of the above steps check to ensure 1 that the unit is fixed securely to the wall or ceiling panel surface Fixing screw Step 12 Align the front grille with the speaker so that the four stud screws align with the unit s corresponding stud receptacles then push the grille onto the speaker Front grille Stud receptacle 6 3 Suspending the Unit in the Ceiling When suspending the HB 1 speaker in the ceiling remove 12 mm diameter hole the lock tabs and suspend the unit using bolts or wires at the resultant 12 mm diameter holes The front grille can be mounted directly to the ceiling panel using the supplied mounting bracket 6 3 1 Suspending the unit Wire Sus
4. tape longer 7 MATCHING TRANSFORMER INSTALLATION An optional MT S0601 matching transformer can be installed in the HB 1 speaker Enclosure cover mounting screw 13 pieces Disconnect by widening the lock tab 2 A Connection tab MT S0601 Transformer mounting screw Step 1 Remove the 13 enclosure cover fixing screws to detach the cover Step 2 Remove the two screws located inside an enclosure Using the removed two screws mount the MT S0601 transformer so that its connection tab is facing the front of the enclosure Step 3 Detach the woofer s lead wire junction connector and connect it to the MT S0601 s connector Step 4 Connect the speaker input cable to the desired impedance tap Step 5 Replace the enclosure cover Step 6 Choose an appropriate impedance indication label from those supplied with the MT S0601 and affix it over the HB 1 s nameplate to indicate the selected impedance 6 Nameplate Indication label Impedance label sheet supplied with MT S0601 8 CROSSOVER CONNECTIONS WITH A FULL RANGE SPEAKER 8 1 Recommended Filters for the HB 1 Because the HB 1 s enclosure construction is designed to create an acoustic band pass filter the mid and high frequency audio ranges are cut even if the input signal band is not limited with a low pass filter Therefore the HB 1 functions as a sub woofer with no filtering HB 1 s cross se
5. the bracket to the ceiling panel Mounting bracket Caution Be sure to suspend the bracket using wires or bolts Wire suspension Use 4 mounting holes in the bracket Mounting bracket Wall Mounting bracket Screw for 1 frame lumber Frame lumber two by four construction Bolt suspension Mount the supplied anchor piece 2 pieces to the bracket Anchor piece Spring Mounting washer bracket i Plain washer M5x10 screw Step 5 Install the supplied speaker fixing screws 4 pieces with M4x30 plain and spring washers in the mounting bracket so that they are left sticking out 2 3 mm from the mounting surface They are tightened in Step 10 Mounting bracket Step 6 Loosen the unit s lock tab screws 4 places and leave them sticking out 2 3 mm They are tightened in Step 10 Lock tab Step 7 Connect the speaker cable to the detachable connector Note Solid or stranded cables with a cross sectional area of 0 2 2 5 mm corresponding to AWG24 14 can be used Step 7 1 Detach the input connector from the unit s connector socket and loosen the screws of Detachable input the terminals to use with a screwdriver connector Speaker I Step 7 2 Insert stripped cable ends into the terminals then retighten the terminal screws Single connection Bridge connection 5mm RN From amplifier ps
6. the phase characteristics of both the sub woofer and the full range speaker vary continuously depending on frequency simply matching the connector polarities of the sub woofer is not always the best procedure To confirm how much the acoustic energy increases or decreases reverse the polarity of the sub woofer s and connectors and select the connection polarity that results in the largest output of acoustic energy The use of a real time spectrum analyzer to check the degree of energy increase is highly recommended 10 9 CAUTIONS CONCERNING HIGH IMPEDANCE APPLICATIONS To avoid damaging the HB 1 speaker in high impedance applications with the MT S0601 matching transformer installed be sure to observe the following conditions 1 Do not limit the input signal band using such devices as a low pass filter but instead drive the speaker with the full range signal 2 Use a high impedance amplifier with a power rating higher than the wattage tap selected on the matching transformer Note There is a low frequency threshold for both the speaker matching transformer and the high impedance amplifier output transformer Matching transformer low frequency threshold If a signal with frequencies lower than the low frequency threshold is applied at rated power the transformer s primary impedance input impedance decreases abruptly due to core magnetic saturation With the MT S0601 the impedance begins to decrease at approxima
7. 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 in 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 GENERAL DESCRIPTION The TOA HB 1 is a high power wall ceiling mounted sub woofer system employing a 20 cm speaker unit Although small in size the HB 1 provides clear super low frequency sound reproduction thanks to its Acoustic Super Woofer enclosure construction 3 FEATURES A large 110 mm diameter ferrite magnet a long 35 mm diameter voice coil an aluminum bobbin and a rubber roll edge combine to permit large voice coil movement at high power input The Acoustic Super Woofer system enclosure creates an acoustic band pass filter that reproduces super low frequencies down to 45 Hz and realizes slow slope phase characteristics The enclosure is 103 mm in depth from the mounting surface and suitable for mounting in a wall with two
8. Za 4 OPERATING INSTRUCTIONS SUB WOOFER SYSTEM HB 1 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 opa uique 2 2 GENERAL DESCRIPTION iue Ra ttes ti ttcisg trt cete iiec tibds 3 3 FEATURES R AATE 3 4 HANDLING PRECAUTIONS eee 3 5 NOMENCLATURE AND DIMENSIONS 3 6 INSTALLATION 6 1 COMGIIS oun EVE Tec a 4 6 2 Flush Wall or Ceiling Mounting sesseeem 4 6 3 Suspending the Unit in the Ceiling 8 7 MATCHING TRANSFORMER INSTALLATION 9 8 CROSSOVER CONNECTIONS WITH A FULL RANGE SPEAKER 8 1 Recommended Filters for the HB 1 10 8 2 Level Balance and Polarity 10 9 CAUTIONS CONCERNING HIGH IMPEDANCE APPLICATIONS _ 11 10 SPECIFICATIONS 1 cene ener trennen 12 ACCOSSOLIGS oce coe o ect epo eerte ee ee Dna la Seas caches regia 12 TOA Corporation 1 SAFETY PRECAUTIONS Be sure to read the instructions in this section carefully before use Make sure to observe the instructions in t
9. by four construction Rotating lock tabs permit the speaker to be temporarily fixed during installation Also the speaker has provisions for wire or bolt suspension The speaker can be converted to high impedance applications with the addition of the optional MT S0601 matching transformer 4 HANDLING PRECAUTIONS No anti magnetic provisions have been made for the HB 1 speaker Therefore take care to keep the unit sufficiently away from televisions monitors or computer related equipment 5 NOMENCLATURE AND DIMENSIONS Front Side Rear Unit mm Front grille Speaker ry 3 e Mounting bracket standard accessory 5 32 103 Bottom Detachable input connector c gt 6 INSTALLATION 6 1 Contents Check to be sure that the following components are available in a complete set before installation 1 Cutout template 1 Anchor piece 27 a Stud holder 4 Masking tape 4 Mounting screws washers Tapping screw 3x8 4 Screw M4x30 6 Short 2 purge ARARAS Speaker 1 Mounting bracket 1 p A Long 2 Screw M5x10 4 Spring washer 4 S 9 gg occo Plain washer 4 6 2 Flush Wall or Ceiling Mounting 6 2 1 Flush wall mounting Front Vertical cross sectional
10. ction Frequency to SPL relationship T 1W 1 m 1 2 free sound field lt 110 100 90 80 70 60 e M 50 100 500 1k 5k 10k 20k Hz The speaker driving efficiency be increased by inserting a low pass filter before the power amplifier to cut the mid and high frequency components of the input signal to the sub woofer The following filter settings are recommended Frequency to gain relationship when using a digital signal processor for the 20 HB 1 s signal system High pass filter 12 dB oct Cut off frequency 40 Hz Q 1 0 Low pass filter 12 dB oct Cut off frequency 100 Hz Q 1 0 20 50 100 500 1k 5k 10k 20k Hz 8 2 Level Balance and Polarity When using the HB 1 in combination with TOA s F or H series Full Range Speakers adjust their level balance or polarity depending on the conditions of the installation location 8 2 1 Level balance adjustment Adjust the level of the sub woofer or full range speaker depending on the number of units to be installed or installation conditions 8 2 2 Polarity adjustment Acoustic energy increases at the crossover band for the sub woofer and full range speaker if the two speaker are in phase with each other and decreases if out of phase Because
11. his 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 nuts and bolts that are appropriate for the ceiling s or 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
12. pension Wire Ceiling Mounting bracket HB 1 Ceiling panel Front grille 6 3 2 Front grille installation Remove lock tabs Bolt suspension Bolt ET Ceiling Mounting T de Ceiling panel Front grille Step 1 Before mounting the front grille directly to the ceiling panel Step 1 1 Attach the four supplied stud holders to the mounting bracket using the four supplied tapping screws Step 1 2 Detach the stud receptacles from the main speaker unit and attach them to the stud holders Step 2 Mount the mounting bracket to the ceiling panel Follow Steps 1 4 on P 4 Flush Wall or Ceiling Mounting Step 3 Attach the masking tapes to the ceiling panel as shown on the right to prevent the white ceiling panel from being seen through the front grille meshes Step 4 Align the front grille with the speaker so that the four stud screws align with the unit s corresponding stud receptacles then push the grille onto the speaker Tapping screw supplied with the unit Stud holder Stud receptacle supplied with the unit Remove from the unit d 1 1 Mounting bracket Use the screws removed when detaching the stud receptacles 10 mm to the inside of the mounting hole 20 mm to the outside of the mounting hole 10 mm to the inside of the mounting hole Mounting hole shadowed area 20 mm to the outside of the mounting hole Masking tape shorter Masking
13. tely 40 Hz for the rated input power of 60 W and is almost halved at 30 Hz If the speaker is used under this condition an increased load is put on the power amplifier as well as the matching transformer causing potential equipment damage The low frequency threshold varies depending on the selected transformer tap and the smaller the tap selected wattage the lower the threshold High impedance amplifier low frequency threshold When a full range signal not band limited is applied the amplifier is not adversely affected However if the signal is band limited with a low pass filter and driven with rated power an increased load is put on the output stage causing potential amplifier damage 11 10 SPECIFICATIONS Enclosure Acoustic Super Woofer system Power Handling Continuous program 240 W 40 200 Hz Continuous pink noise 80 W 40 200 Hz Rated Impedance 80 Sound Pressure Level 91 dB 1W 1m installation in 1 2 free sound field 85 dB 1 W 1m installation in free sound field Frequency Response 45 200 Hz 10 GB installation in 1 2 free sound field Speaker Element 20 cm cone type 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 Rolled steel plate black paint Front Grille Rolled steel plate white paint Grille Frame Fire resistant ABS resin UL 94V 0 white paint
Download Pdf Manuals
Related Search