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The box RA12 Owner's Manual

Active coaxial monitor
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Summary of Contents for The box RA12

  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS For your own safety you should read this section in full first! Intended use This active monitor is intended exclusively for the transmission of audio signals according to this manual and the specifications given here. By using it in any other way you face the risk of electric shock.
  • Page 3 completely disconnect the power plug from the power socket after the device has been used. • Always grasp the power cord by the plug. Do not pull on the cord itself and never touch the power cord with wet hands as this could result in a short circuit or an electrical shock.

  • Page 4: The Operating Elements

    The operating elements . . . on the front panel 1. BASS Bass tone control for the line level input (e/t). Increase the bass tone by rotating clockwise and decrease the bass tone by rotating counter-clockwise. 2. PEAK Overload indicator.
  • Page 5 3. LINE IN L Line level input socket. 4. SIGNAL Signal indicator. 5. LINE IN R Line level input socket. Signal will be transferred from this socket to the LINE OUT (u) after it is adjusted by LINE VOLUME control (i). 6. LINE OUT L Signal output socket. Delivers the output signal. 7. LINE OUT R Signal output socket.
  • Page 6 . . . on the rear panel 13. FUSE 14. POWER INPUT SOCKET Mains connection socket. Use the mains cable provided to connect this socket to a properly wired and earthed wall outlet (AC230~/50Hz). 15. POWER SWITCH Press the POWER button (I - ON position), to switch the device on.
  • Page 7 Applications samples Attention: Because LINE IN’s R channel does not provide the power output, the signal should connect to LINE IN’s L channel when connecting few pieces speakers. 1. Stereo mode I. (long distance) 2. Stereo mode II. (short distance)
  • Page 8 3. Stereo+Mic(one) 4. Active + passive...
  • Page 9 Diagrams Frequency response Phase response...
  • Page 10 Waterfall...
  • Page 11 Horizontal Directivity The data of RA12 horizontal directivity were collected by testing the speaker system in a big anechoic chamber.
  • Page 12 Vertical Directivity The data of RA12 vertical directivity were collected by testing the speaker system in a big anechoic chamber.

  • Page 13: Installation

    Installation Dimensions...

  • Page 14: Technical Specifications

    Technical specifications Speaker system Output power ......: 100 watts RMS Frequency response ....: 50Hz-20kHz Average SPL ........ : 115dB The max. Consumption power ..: 220W Input sensitivity a.f=1kHz rated output power ..: 1V @ 10% b.f=1kHz rated output power ..: 20mV @ 20% LF tone: 120Hz ......
  • Page 15 Disposal Do not dispose of the device at the end of his operating life in your normal domestic waste. This device is subject to the European Guidelines 2002/96/EC. • Have the product disposed of by a professional disposal company of by your communal disposal facility. • Observe the currently applicable regulations. In case of doubt contact your disposal facility. • Dispose of packaging materials in an environmentally responsible manner.
  • Page 16 Contact: Musikhaus Thomann Treppendorf 30 96138 Burgebrach Germany www.thomann.de...