thomann the t.bone IEM-75 User Manual
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thomann the t.bone IEM-75 User Manual

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IEM-75
UHF wireless system
user manual

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Summary of Contents for thomann the t.bone IEM-75

  • Page 1 IEM-75 UHF wireless system user manual...
  • Page 2 Musikhaus Thomann e.K. Treppendorf 30 96138 Burgebrach Germany Telephone: +49 (0) 9546 9223-0 E-mail: info@thomann.de Internet: www.thomann.de 15.09.2014, ID: 314071...

  • Page 3: Table Of Contents

    Table of contents Table of contents General notes............................... 5 Safety instructions............................. 7 Features and scope of delivery......................11 Installation and starting up........................ 13 4.1 General Information........................13 4.2 Transmitter............................14 4.3 Receiver............................... 16 4.4 Taking system in operation......................17 Connections and operating elements................... 18 5.1 Transmitter............................
  • Page 4 Table of contents Technical specifications........................27 7.1 Transmitter............................27 7.2 Receiver............................... 28 7.3 Frequency table..........................30 Plug and connection assignment....................31 Troubleshooting............................34 Protecting the environment......................37 UHF wireless system...

  • Page 5: General Notes

    General notes General notes This user manual contains important information on safe operation of the device. Read and follow all safety notes and all instructions. Save this manual for future reference. Make sure that it is available to all persons using this device. If you sell the device, include the manual for the next owner.
  • Page 6 General notes Signal word Meaning DANGER! This combination of symbol and signal word indicates an immediate dangerous situation that will result in death or serious injury if it is not avoided. CAUTION! This combination of symbol and signal word indicates a pos‐ sible dangerous situation that can result in minor injury if it is not avoided.

  • Page 7: Safety Instructions

    Safety instructions Safety instructions Intended use This device is intended to be used for the wireless transmission of audio signals to earplugs. Use the device only as described in this user manual. Any other use or use under other oper‐ ating conditions is considered to be improper and may result in personal injury or property damage.
  • Page 8 Safety instructions CAUTION! Possible hearing impairment The use of earphones at high volume over a longer period of time can cause per‐ manent hearing damage. Adjust the output volume of your audio device to a medium value and use the earphones no longer than about one hour a day.
  • Page 9 Safety instructions NOTICE! External power supply The device is powered by an external power supply. Before connecting the external power supply, ensure that the input voltage (AC outlet) matches the voltage rating of the device and that the AC outlet is protected by a residual cur‐ rent circuit breaker.
  • Page 10 Safety instructions NOTICE! Possible damage by leaking batteries Leaking batteries can cause permanent damage to the device. Take batteries out of the device if it is not going to be used for a longer period. UHF wireless system...

  • Page 11: Features And Scope Of Delivery

    Features and scope of delivery Features and scope of delivery The UHF wireless system IEM-75 is suitable as in-ear monitoring system especially for profes‐ sional events, on rock stages and in concert halls, theatres and musicals. Your UHF wireless system IEM-75 consists of the following components: 9.5"...
  • Page 12 Features and scope of delivery Included accessories: 12 V power supply and hardware for rack mounting UHF wireless system...

  • Page 13: Installation And Starting Up

    Installation and starting up Installation and starting up 4.1 General Information Unpack and carefully check that there is no transportation damage before using the unit. Keep the equipment packaging. To fully protect the device against vibration, dust and moisture during transportation or storage use the original packaging or your own packaging material suitable for transport or storage, respectively.

  • Page 14: Transmitter

    This equipment uses a frequency range that is free of charge and registration within the European Union. For more information, please visit: http://www.thomann.de. When operating, make sure that transmitter and receiver are set to the same channel. Never set more than one transmitter to the same channel.
  • Page 15 Installation and starting up Connecting the power supply NOTICE! External power supply The device is powered by an external power supply. Before connecting the external power supply, ensure that the input voltage (AC outlet) matches the voltage rating of the device and that the AC outlet is protected by a residual cur‐ rent circuit breaker.

  • Page 16: Receiver

    Installation and starting up Connecting audio and starting Connect the audio inputs of the transmitter with suitable line outputs of your mixer or your amplifier. Set the controls for the input sensitivity (10) to a middle position first. In order to achieve optimum sound quality, fine adjustment of the controls may be required.

  • Page 17: Taking System In Operation

    Installation and starting up 4.4 Taking system in operation Make sure that the receiver is turned off, the main switch / volume control (16) is in ‘OFF’ position. Attach the receiver with the clip to your belt or guitar strap. Carefully insert the earplug into the ear canal, note the markings ‘L’...

  • Page 18: Connections And Operating Elements

    Connections and operating elements Connections and operating elements 5.1 Transmitter Front panel of transmitter UHF wireless system...
  • Page 19 Connections and operating elements 1 POWER Main switch. Turns the device on and off. To turn on, press this button for about one second. Channel selection buttons. 3 CHANNEL Shows the number of the selected channel. 4 Level metre for the left and right channel. 5 PHONES Socket for connecting headphones.
  • Page 20 Connections and operating elements Rear panel of transmitter 7 DC Socket for connecting the supplied AC adapter. 8 MONO / STEREO Switch for selecting the operating mode (mono or stereo). UHF wireless system...
  • Page 21 Connections and operating elements 9 LEFT AF INPUT / RIGHT AF INPUT XLR / 6,35 mm TRS combo jacks (left and right channel) for direct connection to a mixing console, PA or any other audio device that serves as signal source. 10 AF LEVEL LEFT / RIGHT Input sensitivity controls for the left and right channel.

  • Page 22: Receiver

    Connections and operating elements 5.2 Receiver UHF wireless system...
  • Page 23 Connections and operating elements 13 LED ST Indicates that a stereo signal is being transmitted on the radio link. 14 LED RF Lights up when the device receives a radio signal. 15 ANT Flexible antenna. 16 VOL ON/OFF/MAX Main switch and volume control. Turn this knob clockwise past the point of resistance to turn on the receiver. Turn it further to increase the volume.
  • Page 24 Connections and operating elements 20 Battery compartment for 2 AA cells (LR6, 1.5 V) or appropriate rechargeable batteries. 21 Battery compartment lid. 22 Clip to attach the receiver to your belt or guitar strap. UHF wireless system...

  • Page 25: Operating

    Operating Operating 6.1 Setting up the transmitter Channel selection Use the or buttons to increase or decrease the indicated value until the desired value is displayed. Transmitter and receiver must be set to the same channel. Selecting the operating mode Use the switch MONO/STEREO on the rear panel to toggle between mono and stereo opera‐...

  • Page 26: Setting Up The Receiver

    Operating 6.2 Setting up the receiver Channel selection Use the rocker switch to increase or decrease the indicated value until the desired value is displayed. Transmitter and receiver must be set to the same channel. UHF wireless system...

  • Page 27: Technical Specifications

    Technical specifications Technical specifications 7.1 Transmitter Line input 2 × XLR / 1/4 phone combi socket (balanced) Headphones output 1/4" phone socket (stereo) Modulation type Frequency modulation (FM) Carrier frequency range 863 MHz…865 MHz Number of channels Transmission power 20 mW Frequency swing ±40 kHz Image frequency rejection...

  • Page 28: Receiver

    Technical specifications < 1 % @ 1 kHz Signal-to-noise ratio > 86 dB (A-weighted) Operating supply voltage DC 12…18 V , 300 mA, via supplied power adapter Dimensions (W × D × H, without antenna) 212 mm × 95 mm × 44 mm Weight 550 g 7.2 Receiver...
  • Page 29 Technical specifications Image frequency rejection > 50 dB Sensitivity > 90 dBm @ 30 dB SNR Stereo channel separation > 42 dB Audio frequency response 40 Hz…16 kHz < 1 % @ 1 kHz Signal-to-noise ratio > 86 dB (A-weighted) Dynamic range >...

  • Page 30: Frequency Table

    Technical specifications 7.3 Frequency table Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 863.100 MHz 863.900 MHz 864.500 MHz 864.900 MHz 863.200 MHz 863.300 MHz 863.400 MHz 863.500 MHz Channel 9 Channel 10 Channel 11 Channel 12 Channel 13...

  • Page 31: Plug And Connection Assignment

    Plug and connection assignment Plug and connection assignment Introduction This chapter will help you select the right cables and plugs to connect your valuable equip‐ ment in such a way that a perfect sound experience is ensured. Please note these advices, because especially in ‘Sound & Light’ caution is indicated: Even if a plug fits into the socket, an incorrect connection may result in a destroyed power amp, a short circuit or ‘just’...
  • Page 32 Plug and connection assignment Since the interference affects both cores equally, by subtracting the phase-shifted signals, the interfering signal is completely neutralized. The result is a pure signal without any noise inter‐ ference. 1/4" TRS phone plug (mono, bal‐ anced) Signal (in phase, +) Signal (out of phase, –) Ground...
  • Page 33 Plug and connection assignment XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) IEM-75...

  • Page 34: Troubleshooting

    Troubleshooting Troubleshooting In the following we list a few common problems that may occur during operation. We give you some suggestions for easy troubleshooting: UHF wireless system...
  • Page 35 Troubleshooting Symptom Remedy No sound 1. Check the power supply of transmitter and receiver. 2. Are transmitter and receiver set to the same channel? 3. Test the connection between the transmitter and the connected audio device (amplifier, mixer). Is the connected audio device turned on and does the signal level at the output of the audio device match to the input requirements of the transmitter? 4.
  • Page 36 1. Change the setting of the ‘AF LEVEL’ controls on the transmitter. 2. Check the charging level of the batteries in the receiver. If the procedures recommended above do not succeed, please contact our Service Center. You can find the contact information at www.thomann.de. UHF wireless system...

  • Page 37: Protecting The Environment

    Protecting the environment Protecting the environment Disposal of the packaging mate‐ rial For the transport and protective packaging, environmentally friendly materials have been chosen that can be supplied to normal recycling. Ensure that plastic bags, packaging, etc. are properly disposed of. Do not just dispose these materials with your normal household waste, but make sure that they are fed to a recovery.
  • Page 38 Protecting the environment Disposal of your old device This product is subject to the European Waste Electrical and Electronic Equipment Directive (WEEE). Do not dispose with your normal household waste. Dispose this device through an approved waste disposal firm or through your local waste facility.
  • Page 40 Musikhaus Thomann e.K. · Treppendorf 30 · 96138 Burgebrach · Germany · www.thomann.de...

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