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I-AMP GPT 60-IV User Manual

Manual is about: 60VA INDUCTION LOOP AMPLIFIER

Summary of GPT 60-IV

  • Page 1

    Gpt designs manufacturing excellence through engineering -amp hearing loop amplifiers 6 0 v a i n d u c t i o n l o o p a m p l i f i e r -amp gpt 60-iv mic lin e master lev el - 3 - 9 -1 5 0 d b -1 2 -2 1 si g n a l pr e se n t po w er o n gpt 60-iv 60va induction loop amplifier.

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    ~ 2 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering contents introductory information 3 overview of induction loop amplifiers 4 what are induction loop amplifiers? 5 why do we need to have induction loop amplifiers? 5 how do they work? 5 planning the installation - locatin...

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    ~ 3 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering introductory information gpt designs is an australian based electronic manufacturer specialising in induction loop systems for the hearing impaired. Gpt designs has been manufacturing induction loop systems for over 10 ye...

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    ~ 4 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering overview of induction loop amplifiers induction loop systems transmit a signal to the hearing impaired person via baseband electromagnetic waves. One of the greatest advantages of the induction loop system is the ability ...

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    ~ 5 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering what are induction loop amplifiers? Induction loop amplifiers are designed to produce a base band magnetic field within an area covered by a loop of cable, the induction loop. Magnetic fields are generated by current with...

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    ~ 6 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering from damage, and compressors which reduce the dynamic range of the input program, increasing the clarity for many hearing impaired. A compressor is used to reduce an audio signal’s dynamic range. The dynamic range is dete...

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    ~ 7 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering + loops of equal sizes - induction loop amplifier -amp gpt 60-iv double loops: some installations require the use of a double loop cable on the output. The double loop is easily implemented with standard figure-8 cables. ...

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    ~ 8 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering the venue master field strength meter (part of the i-amp range of products) has been designed to allow full frequency response measurement of a induction loop system, allowing compensation of metal loss. Selection of the ...

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    ~ 9 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering the above example would give: cable type 1, 1.00 mm 2 = 84 x 0.0185 = 1.55 ohms cable type 2, 0.75 mm 2 = 84 x 0.021 = 1.76 ohms cable type 3, 0.51 mm 2 = 84 x 0.033 = 2.77 ohms cable type 1 or type 2 could be selected si...

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    ~ 10 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering amplifier. With the internal 2:1 compressor the typical dynamic range will be reduced, reducing the peak current requirements. Peak current requirement (amps) length of one side of a square pick-up area ÷ 2.5 this can be...

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    ~ 11 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering at the risk of overdriving the telecoil pick-ups in some hearing aids, producing distortion in the received signal. Many installations can be designed to achieve signal to noise ratios of greater than 45db. Mains wiring ...

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    ~ 12 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering about your induction loop amplifier the gpt 60-iv is an industrial induction loop amplifier designed to drive current into a low impedance wire loop (the induction loop). This current produces a base band electro-magneti...

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    ~ 13 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering gpt 60-iv panel functions: 1 5 7 6 0 v a i n d u c t i o n l o o p a m p l i f i e r -amp gpt 60-iv mic lin e master lev el - 3 - 9 -1 5 0 d b -1 2 -2 1 si g n a l pr e se n t po w er o n 2 3 4 9 6 8 induction loop funct...

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    ~ 14 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering these output current levels are independent of the induction loop load impedance. The maximum output level is internally limited to 4.5 amps peak. This internal limiting is essential on a current amplifier (or more corre...

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    ~ 15 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering the current output from the gpt 60-iv may be monitored with a good, high impedance multimeter from the (-) current output terminal to ground. This multimeter should have an adequate frequency response for this measuremen...

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    ~ 16 ~ g p t 6 0 - i v gpt designs manufacturing excellence through engineering gpt designs manufacturing excellence through engineering -amp hearing loop amplifiers gpt 300-ii gpt 60-iv gpt 20 -amp hearing loop receivers venue master venue assistant venue listener.