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Instruction manual
ILA-1000
INDUCTION LOOP AMPLIFIER
Now with „MLC" correction for frequency errors, COMPRESSOR, loop impedance monitoring
and SPEAKON output jack.
Features:
•
Digital automatic audio signal compressor
•
Loop detector for automatic measurement and power matching to loop
impedance
•
Equalization by 2-point LF/HF EQ
•
„MLC" control for frequency error correction
•
All controls are recessed and provide protection against incorrect operation
Phoenix Professional Audio GmbH
Gewerbepark Markfeld 5
D-83043 Bad Aibling / Germany
Tel.: +49(0)8061-495603-0
Fax: +49(0)8061-495603-1
www.phoenix-pa.com
www.phoenix-pa.com/shop
© Copyright 2018 Phoenix Professional Audio GmbH
www.phoenix-pa.com / www.phoenix-pa.com /shop
Phoenix logo is registered with the DE Patent and Trademark Office (TM)
All trademarks are the property of their respective owners
M a d e i n E U
For Systems
according to
EN 60118-4
IEC 118-4
DOC-050720
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Summary of Contents for Phoenix ILA-1000
- Page 1 D-83043 Bad Aibling / Germany Tel.: +49(0)8061-495603-0 Fax: +49(0)8061-495603-1 www.phoenix-pa.com www.phoenix-pa.com/shop © Copyright 2018 Phoenix Professional Audio GmbH www.phoenix-pa.com / www.phoenix-pa.com /shop Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners DOC-050720...
- Page 2 COVER. USE QUALIFIED PERSONNEL FOR ALL MAINTENANCE WORK. © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 1 -...
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Page 3: General Information
™ Instruction manual GENERAL INFORMATION The ILA-1000 Induction Loop Amplifier for audio transmission is widely used to provide hearing aids with inductive audio signals. The ILA-1000 Phoenix Induction Loop Amplifier was developed as a high-quality LOOP amplifier for medium induction loops. - Page 4 The magnetic field outside the intended range loses strength rather quickly and drops to zero. This is done by coupling a phase shifter FS-1, which is connected between the two ILA-1000, which in turn generates a signal phase difference of 90 degrees in the electrical flow through two adjacent induction loops.
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Page 5: Safety Instructions
™ Instruction manual SAFETY INSTRUCTIONS Before putting the induction loop amplifier ILA-1000 into operation, we ask you to carefully read the safety instructions. We ask you to perform the installation according to the following guidelines: In a highly visible position, an INDUCTIVE COUPLING sign should be located near the entrance to the area where an induction loop is installed. - Page 6 Rotate the MLC control to get the best playback / transmission of the audio signal on the induction loop while monitoring the audio signal via the headset with the ILA-E receiver. Repeat the measurement procedure for all ILA-1000 induction loop amplifiers or induction loops bound in the system 6.- LOW-EQ filter (+-12dB) Separate LF control of the individual microphone or LINE inputs.
- Page 7 Loop impedance fault indication (Impedance not in the range of 0.5 - 3.0 ohms). IMPORTANT: After eliminating the fault, always reset the loop amplifier ILA-1000 by switching off the amplifier with the POWER button, wait 3 seconds and turn it on again with the POWER button.
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Page 8: Rear Side / Connections
© Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners... - Page 9 1 GND und wire bridge to 3 2 +IN 2 +IN 3 -IN © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 8 -...
- Page 10 DIP-2 (OFF position). © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 9 -...
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Page 11: Technical Appendix
115 meters 190 meters CONSTRUCTION SIMPLE LOOP SYSTEM „Single Array System“ A simple induction loop system consists of a LOOP amplifier ILA-1000 and one or more equal size induction loops, see drawing. Figure 1.1 shows single loop Figure 1.2 shows double loop ©... - Page 12 Rooms and areas where an induction loop has been installed should be marked accordingly. Please lead parallel lines close together. © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 11 -...
- Page 13 Rooms and areas where an induction loop has been installed should be marked accordingly. © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners...
- Page 14 This in turn supplies the first loop in the system. Due to the phase modulation, the audio signal is shifted by 90˚ phases and forwarded to the second ILA-1000. The second ILA-1000 then has to supply the second parallel induction loop throughout the system.
- Page 15 LOOP SYSTEM WITH 90 DEGREES PHASE SHIFT according to EN 60118-4 Phased Array System Example of a simple LOOP SEGMENT induction loop system with two ILA-1000 (MASTER / SLAVE) and FS-1 90 degree phase shifter. It is important that the induction loops are approximately the same size.
- Page 16 Rooms and areas where an induction loop has been installed should be marked accordingly. © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners...
- Page 17 Phased Array System Due to the phase modulation, the audio signal is shifted by 90˚ phases and forwarded to the second ILA-1000 or to the second induction loop. The second ILA-1000 then has to supply the second parallel induction loop in the entire inductive hearing aid system.
- Page 18 SIGNAL INPUT MASTER 0 FS-1 network side SLAVE 90 © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 17 -...
- Page 19 11.4 12.2 13.0 13.8 14.6 15.4 16.2 17.0 © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 18 -...
- Page 20 11.4 12.2 13.0 13.8 14.6 15.4 16.2 17.0 © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 19 -...
- Page 21 Induction loop no. 1 (the first ILA-1000) Induction loop no. 2 (the second ILA-1000) Induction loop „total“ (the first ILA-1000 and the second ILA-1000 induction loop amplifiers in the system) © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM)
- Page 22 © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 21 -...
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Page 23: Technical Data
Technical changes and printing errors reserved. The pictures are similar, color deviations reserved. © Copyright 2018, Phoenix Professional Audio GmbH, www.phoenix-pa.com Phoenix logo is registered with the DE Patent and Trademark Office (TM) All trademarks are the property of their respective owners - 22 -...
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