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USER GUIDE

H10795/H10797 - Version 1 / 03-2018

Loop amplifiers for areas from 250 to 1000m²

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Summary of Contents for BM-A1000

Page 1: ...USER GUIDE H10795 H10797 Version 1 03 2018 Loop amplifiers for areas from 250 to 1000m ...

Page 2: ...viceable parts Do not open the housing or attempt any maintenance by yourself In the unlikely even your unit may require service please contact your nearest dealer In order to avoid any electrical malfunction please do not use any multi socket power cord extension or connecting system without making sure they are perfectly isolated and present no defect 10 Electric power supply This product can on...

Page 3: ... 8 9 10 13 14 18 19 20 15 17 21 22 23 24 16 11 12 2 1 1 ON OFF switch 2 POWER LED ON OFF display 3 CLIP LED Affichage niveau d entrée trop élevé 4 LED LOOP Display input level too high 5 PROTECT LED fault overview display 6 Output current view meter 7 Output current setting 8 Input signal view meter 9 Input 1 setting Line or mic 10 Input 2 setting Line or mic 11 Input 3 setting Line or mic 100V 12...

Page 4: ...18 Master amplifier input BM A1000 only 19 Output to Slave amplifier in phase BM A1000 only 20 Output to Slave amplifier 90 out of phase BM A1000 only 21 Input 2 terminal block Phoenix type 100V priority 22 NO NF fault synthesis relay 23 oop input on terminal block Phoenix type 24 Connecting power cord For the use of a pin system or a system with a large cover 1 Connect the loops to the terminal b...

Page 5: ...om forming a loop This loop is connected to an audio amplifier The magnetic field generated by the large loop around the room will pass through the small loops in the prosthesis and by the induction principle the electrical signal present in the large loop will be found in the small loops This transmits the signal from the audio amplifier to the prosthesis which then returns it to the hearing impa...

Page 6: ... areas from 250 to 1000m Page 6 6 3 Example of the implementation of a large roofing system 6 4 Cable cross section table Maximum lenght m Cable section mm 1 1 5 2 5 4 Copper ribbon BM A250 70 80 90 100 90 BM A1000 90 105 140 160 140 ...

Page 7: ...he loop can be installed at floor or ceiling level more precisely between 1 10m and 2 20m from the listening height ears The presence of an earring is often indicated by a blue logo representing a crossed out ear and a letter T Generally a hearing aid has two major positions the M and the T The M position makes it possible to perceive the sound thanks to the acoustic pressure as a microphone while...

Page 8: ...0V optional 50 60 Hz Power 300VA Poxer consumption 6W Audio Specifications Metalic loss 0 à 3 dB octave Automatic gain control AGC speech optimised Dynamic 36 dB Bandwidth 80Hz à 9 5kHz Output Output voltage 35V rms 50V pK Loop impedance 0 5Ω to 3Ω Peak current 8A 15A RMS current 5A RMS 10A RMS Couverture maximale 250 m 10 x 25 m 1000 m 20 x 50 m Additional functions Default protect LED display Ch...

Page 9: ... modifications without prior notice That is why technical specifications and the products physical configuration might differ from the illustrations Make sure you get the latest news and updates about the AUDIOPHONY products on www audiophony com AUDIOPHONY is a trademark of HITMUSIC SAS Parc d activités Cahors sud 46230 FONTANES FRANCE ...

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