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TOA Electronics HB-1 manual

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Table of contents for the manual

  • Page 1

    OPERA TING INSTR UCTIONS SUB-W OOFER 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. T ABLE OF CONTENTS 1. SAFETY PRECA UTIONS ............................................................................... 2 2. GENERAL DESCRI[...]

  • Page 2

    2 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 comp[...]

  • Page 3

    3 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. FEA TURES • A large, 110 mm-diameter ferrite magnet, a long, 35 mm-diame[...]

  • Page 4

    4 6. INST ALLA TION 6.1. Contents Check to be sure that the following components are available in a complete set before installation: Speaker ..... 1 Stud holder ..... 4 Masking tape ..... 4 "Short"... 2 "Long"... 2 Cutout template ..... 1 Mounting screws/washers Tapping screw (3x8) .... 4 Screw (M5x10) .... 4 Screw (M4x30) ....[...]

  • Page 5

    5 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. 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 tighte[...]

  • Page 6

    6 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.) Step 6. Loosen the unit's lock tab screws (4 places) and leave them sticking out 2 – 3 mm. (They are tightened in[...]

  • Page 7

    7 Step 8. Reinsert the detachable input connector into the unit's socket, then fit the unit in the mounting bracket. Step 9. Rotate the lock tabs (4 places) until each contacts the fixing screw head left sticking out in Step 5. Step 10. Retighten both the fixing screws (4 places) and lock tab screws (4 places). Step 11. Using two more supplied[...]

  • Page 8

    8 6.3. Suspending the Unit in the Ceiling When suspending the HB-1 speaker in the ceiling, remove 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 6.3.2. Front grille installatio[...]

  • Page 9

    9 7. MA TCHING TRANSFORMER INST ALLA TION An optional MT-S0601 matching transformer can be installed in the HB-1 speaker. 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 faci[...]

  • Page 10

    10 8. CR OSSO VER CONNECTIONS WITH A FULL-RANGE SPEAKER 8.1. Recommended Filters f or 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 [...]

  • Page 11

    11 9. CA UTIONS CONCERNING HIGH-IMPED ANCE APPLICA TIONS 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 s[...]

  • Page 12

    10. SPECIFICA TIONS 533-06-067-00 Enclosure Type Acoustic Super Woofer system Power Handling Continuous program: 240 W (40 – 200 Hz) Continuous pink noise: 80 W (40 – 200 Hz) Rated Impedance 8 Ω 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 –[...]