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MODEL: Zero.3
Product id:ZERO3D13
Zero.3
OWNER'S MANUAL

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Summary of Contents for B2 Audio Zero.3

  • Page 1 MODEL: Zero.3 Product id:ZERO3D13 Zero.3 OWNER’S MANUAL...
  • Page 2: Table Of Contents

    Foreword We congratulate you with your decision to purchase our reveered niche amplifiers. Every product developed by implements the keystones of our company philosophy; Optimum sound reproduction within its range, etter ass & high performance. These elements will enable you to reproduce music the way you prefer. Our amplifiers features a unique design, a variety of applications &...
  • Page 3: Design Features

    1. Design features Zero.3 Circuit Configuration HI-EF Class D Mono Frequency Response : 15Hz ~ 250Hz Signal to Noise Ratio : 100dB Input Sensitivity : 6V ~ 0.2V Input Level Selector Crossover : 24dB / Oct Low Pass Crossover Range...
  • Page 4: Panel Layout

    SPEAKER OUTPUTS OUTPUT MASTER / INPUT SLAVE Amplifier connection to the loudspeakers. For daisy chain connection of 2 Zero.3 amplifiers. Minimum impedance is 2 Minimum speaker cable is 12 gauge. Output signal can be routed from 1 master amplifier Minimum impedance for the Zero.3...
  • Page 5 2. Panel layout Zero.3 +12V (POWER CONNECTION) GND (GROUND CONNECTION) For connection to the positive terminal For connection to the chassis’ ground. For optimum performance 0 gauge cable is of the battery (+12V). required, all of them using common ground For optimum performance 0 gauge cable connected with cable of equal length.
  • Page 6: Installation

    It is crucial that all terminals are used with the adequate cable to ensure correct operation. Connect the power cables to the power terminal labeled as +12V. Zero.3 is not equipped with fuses, so external fuses are required. Connect one end of the fuse holder to the power cable and the other end of the fuse holder to the positive battery terminal within 20 cm of the same cable.
  • Page 7: Wiring Layout

    3.3 Wiring layout +12V, GND, REM connection chart Head unit Zero.3 Remote turn on 180A (External fuses) We recommend using 12 AWG speaker cables to obtain increased performance. Run 12 AWG speaker cables from your speakers to the amplifier’s mounting location Keep the speaker cables seperate from the power cables and and the amplifier’s input cables.
  • Page 8: Speaker Wiring Diagram

    3.31 Speaker Wiring Diagram Zero.3 CAUTION The minimum impedance as 1 unit is 1 . In a daisy chain configuration the minimum impedance is 2 . Speaker Impedance 1~8 ohms Zero.3 Daisy chain connection allows linking of 2 amplifiers to work as 1 single amplifier.
  • Page 9: Troubleshooting

    4. Troubleshooting The protection circuits of the amplifier prevents severe damages from faulty conditions & improper use. The protection indicatior will switch on due to short circuit connection & speaker overload, thus the amplifier will be turned off. Prior to inspecting the occurred problem, turn all levels down & all power off, then carefully check the installation for wiring mistakes, shorts or faulty ground (GND).

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