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UniVox

®

 Super Loop System

®

SLS-100 XF / SLS-300 XF

Loop amplifier for balanced loop configurations

Installation Guide

Bo EDIN AB • Stockby Hantverksby 3 • SE-181 75 Lidingö • SWEDEN 

Phone +46 8 7671818  • Fax +46 8 7671820 • www.edin.se  • [email protected]

Free field coverage area up to 170m²/300m² according to IEC 60118-4:2006

UniVox

®

 SLS – Super Loop System

®

  is target designed for 

professional installations in venues where high sound quality 

for the hearing aid user, very high reproducibility together 

with extremely low overspill in all directions are important 

requirements. Through correct calculations, installation and 

adjustment you will get 3-D controlled overspill, smooth field 

strength even at high frequencies, little interference problem 

with reinforcement and other metallic structures as well as 

increased efficiency compared to traditional loop systems.

UniVox

®

 Super Loop System

®

 – SLS-100 XF 

(Part No 215100)

  /  SLS-300 XF 

(Part No 215300)

Note! Please study the complete installation guide before planning, connecting and adjusting the loop system!

The result for all hearing aid users is a loop of HiFi quality!
For areas up to 650m² use UniVox

®

 SLS-700 (two separate 

units).
UniVox

®

 SLS fulfils IEC 60118-4:2006 when installed and 

adjusted correctly.

Loop wire layout and other preparations

●  Each UniVox

®

 SLS system has to be planned carefully to work correctly. A complete system always consists of two 

separate loop configurations - Master and Slave. The Master and Slave loop work as one single system and has to be 

planned together. For further information or assistance, please contact us through www.edin.se or contact your local 

distributor.

●  We highly recommend the special designed copper foil (25 x 0.1 mm) giving an increased high frequency response of 

approximately 5 dB compared to a conventional round wire. The copper foil can be used with any loop size and will fit 

easily under plastic or textile carpets, wooden floor or tiles. Always check with the material experts/suppliers for detailed 

advice. 

●  When using round standard wire we recommend 4 mm² for most applications. For smaller loops a thinner wire can be 

used. Please contact us or your local distributor by any uncertainties. 

●  Field strength and high frequency response can be limited due to reinforcement and metal constructions in walls, ceiling 

and floor. Therefore it is important NOT to place the wire near/parallel to or on metal constructions or reinforcement 

(crossings are allowed). If there is strong metallic influence it might be necessary to choose a more powerful amplifier, 

even if the listening area normally should be covered by the amplifier you have chosen. 

●  Use general installation technique for audio/video installations. Pay extra attention to avoid interference problems with 

sensitive analogue  signals from microphones, mixers, video projectors etc. Avoid parallel wires close to the loop wire.

●  Plan other electronic controlled equipment avoiding or creating any disturbing magnetic fields.

Summary of Contents for SLS-100 XF

Page 1: ...s of two separate loop configurations Master and Slave The Master and Slave loop work as one single system and has to be planned together For further information or assistance please contact us through www edin se or contact your local distributor We highly recommend the special designed copper foil 25 x 0 1 mm giving an increased high frequency response of approximately 5 dB compared to a convent...

Page 2: ... and amplifier must be twinned or very tight together to avoid interference with other electrical systems 5 Adjust loop current Adjust the loop current for correct field strength on both Master and Slave loop according to the certificate protocol the loop LED only indicates that current flows in the loop wire Use the adjustable loop monitor outputs on the front panel for direct listening of the ou...

Page 3: ... UniVox FSM Field strength meter UniVox Listener Testing device WARNING LIVE TERMINALS ENCLOSED Always disconnect mains power before the amplifier is opened XLR input Balanced Unbalanced Signal to pin 2 or 3 Signal to pin 2 and 3 Shield Shield Loop connections Indicator input signals Indicator Master loop Indicator mains power Indicator Slave loop Loop monitor Master Slave ...

Page 4: ...eating rows for ease of installation with UniVox SLS there is no field strength drop above the crossing of the wires 1 meter segment size is normally fine but other segment sizes could be recommended depending on the installation After the installation of wire and loop amplifier the whole system has to be certified Both installation and adjustment has to be performed by trained staff equipped with...

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