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TOA Electronics 9000 Series manual

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Table of contents for the manual

  • Page 1

    OPERA TING INSTRUCTIONS 9000 SERIES AMPLIFIERS P-9060DH P-9120DH Thank you for purchasing TOA's 9000 series Amplifier. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment. T ABLE OF CONTENTS ON OFF 0 10 PROTECT PEAK SIGNAL CH 1 0 10 PROTECT PEAK SIGNAL CH 2 POWER 1. IMPORTANT SAFETY INSTRU[...]

  • Page 2

    2 1. IMPORT ANT SAFETY INSTRUCTIONS • Read these instructions. • Keep these instructions. • Heed all warnings. • Follow all instructions. • Do not use this apparatus near water. • Clean only with dry cloth. • Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. • Do not install near[...]

  • Page 3

    3 2. SAFETY PRECAUTIONS • Before installation or use, be sure to carefully read all the instructions in this section for correct and safe operation. • Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or cautions regarding safety. • After reading, keep this manual handy for future refer[...]

  • Page 4

    4 When Installing the Unit • Never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock. • When unplugging the power supply cord, be sure to grasp the power supply plug; never pull on the cord itself. Operating the unit with a damaged power supply cord may cause a fire or electric shock. • Do not block[...]

  • Page 5

    5 3. GENERAL DESCRIPTION TOA’s P-9060DH Power Amplifier is a 2-channel amplifier providing 60 W per channel at 83 Ω (70 V line output). TOA’s P-9120DH Power Amplifier is also a 2-channel amplifier providing 120 W per channel at 41 Ω (70 V line output). Both amplifiers can be used as power amplifiers for the M-9000 (Matrix Mixer Pre-Amplifier)[...]

  • Page 6

    6 ON OFF 0 10 PROTECT PEAK SIGNAL CH 1 0 10 PROTECT PEAK SIGNAL CH 2 POWER 1 2 3 4 5 3 4 5 6 7. NOMENCLA TURE AND FUNCTIONS [Front] 1. Power switch [ ON, OFF] Power is switched on and off with each depression of this switch. 2. Power indicator [POWER] Lights blue when the Power switch (1) is turned on. 3. Protection indicators [PROTECT] Light red w[...]

  • Page 7

    7 SPEAKER OUT CH 2 CH 1 CH 2 INPUT HOT COLD EARTH CH 1 INPUT HOT COLD EARTH OFF CH 1 TO ALL ON –20 dB 0 dB INPUT LEVEL –20 dB 0 dB INPUT LEVEL 7 8 9 10 10 11 11 12 [Rear] 7. AC inlet Connect the supplied power cord to this inlet. 8. Functional earth terminal Hum noise may be generated when external equipment is connected to the unit. Connecting[...]

  • Page 8

    8 8.1. Speaker Output T erminal Connections The speaker output terminal is designed for 70 V line applications. Both CH 1 and CH 2 outputs are provided on the 4-pin screw terminal. Connect the speaker cables to each positive terminal (+) and negative terminal (–) individually. Notes • Impedances indicated in the figures represent the total spea[...]

  • Page 9

    9 8.2. Input T erminal Connections Electronically-balanced inputs of 3-pin removable terminal block type. When connecting the units’ inputs in parallel, connect each removable terminal plug using a daisy chain wiring. Up to 10 units can be connected to the PRE AMP OUT terminal for each channel of the M-9000, A-9000, or T-001T. P-9060DH/9120DH M-9[...]

  • Page 10

    10 8.3. Removable T erminal Plug Connection Be sure to use the supplied removable terminal plugs for connections to the removable terminal blocks. Cautions • Be sure to use shielded cables for audio signal lines. • Avoid soldering stranded or shielded cable, as contact resistance may increase when the cable is tightened and the solder is crushe[...]

  • Page 11

    11 Use the supplied rack mounting bracket when mounting the unit in a standard 19" equipment rack (2 unit size). Step 1. Remove four M4 x 8 screws on the sides. The removed screws are no longer used. Step 2. Attach the rack mounting bracket to the unit using the supplied four M4 x 16 bracket mounting screws. Rack mounting bracket (accessory) S[...]

  • Page 12

    12 10. OPERA TION After all connections are made, turn power switch ON, and the Power Indicator lights. The amplifier comes into operation about 5 seconds after the power is turned on. 1 1. VOLUME ADJUSTMENT Obtain desired output level by adjusting the individual input volume controls. For normal music playing or announcement, adjust volume using t[...]

  • Page 13

    13 14. BLOCK DIAGRAM VI Limiter Offset Detector Output Level Sensor Protection Circuit Power Supply for Power Amp. Unit FAN Control Heat Sink Temperature Sensor Mute Control Power Supply for Preamplifier H C CH 1 10 kΩ E GAIN Electronically balanced VOLUME CH 1 Power Amp. Unit VOLUME H C CH 2 10 kΩ E CH 1 70 V Line SP OUT (BTL) (BTL) CH 2 70 V Li[...]

  • Page 14

    14 15. DIMENSIONAL DIAGRAM Unit: mm (inches) ON OFF 0 10 PROTECT PEAK SIGNAL CH 1 0 10 PROTECT PEAK SIGNAL CH 2 POWER 482 (18.98) 4-7 x 10.5 (4-0.28 x 0.41) 420 (16.54) 466 (18.35) 76.2 (3) 88.4 (3.48) 107.6 (4.24) 375 (14.76) 406 (15.98) 13 (0.51)[...]

  • Page 15

    15 * 0 dB = 1 V Note: The design and specifications are subject to change without notice for improvement. Power cord (2 m or 6.56 ft) .................................................. 1 Rack mounting bracket ........................................................ 2 Bracket mounting screw (M4 x 16) ...................................... 4 Removabl[...]

  • Page 16

    133-22-168-4A URL: http://www.toa.jp/ * 0 dB = 1 V Note: The design and specifications are subject to change without notice for improvement. Power cord (2 m or 6.56 ft) .................................................. 1 Rack mounting bracket ........................................................ 2 Bracket mounting screw (M4 x 16) ..............[...]