Specification – ILR3 & ILR3+:
Frequency Response:
Flat: 85Hz - 6kHz ± 0.5dB
Low Cut Filter: 400Hz - 8kHz -3dB (similar to a hearing aid)
Output: 3.5mm stereo jack socket – enables power when used.
For use with stereo headphones (min 25 per side).
100mW into 16, <0.5% THD @ 1kHz
Environmental: IP30, -10°C to +45°C, 20 – 90% relative humidity
Dimensions: 62 x 26 x 112mm,
90g (excluding batteries and headphones)
Power: 2 x Alkaline AA / LR6 batteries
<0.1W 1.8V to 3.2V, >100 hours usage.
Specification – ILR3+ only:
Magnetic field strength indication to PPM type II referenced to 400mA/m RMS:
‘Good’ ≥0dB Green LED 400mA/m RMS with sine
‘Okay’ ≥-6dB Amber LED 200mA/m RMS with sine
These levels are suggested by IEC 60118-4:2006 for such an indicating device.
Warranty information
This product carries a 5 year parts and labour warranty which could be invalidated
if these instructions are not followed correctly, or if the unit is tampered with in any
way. The 5 year warranty is dated from the time the equipment leaves Ampetronic
and NOT when it is installed. The headphones carry a 6 month warranty against
faulty manufacture.
The ILR3 and ILR3+ are designed and engineered in England.
Declaration Of Conformity
The manufacturer: Ampetronic Ltd., Northern Road, Newark, NG24 2ET United Kingdom
Declares that the products: ‘Induction Loop Receiver’ Type Names ILR3 & ILR3+
Conforms to the following Directive(s) and Norm(s):
Directive 2004/108/EC EMC: EN 55103 (1&2):1997
Directive 2006/95/EC Safety: EN 60065:2002
January 2008 - L.A. Pieters - Technical Director, Ampetronic Ltd.
Ampetronic Ltd., Northern Road, Newark. NG24 2ET. United Kingdom
Tel: +44 (0) 1636 610062 Fax: +44 (0)1636 610063
www.ampetronic.com Email: sales@ampetronic.com
UP11901-6