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From: adam@gec-mi-at.co.uk (Adam Quantrill)
Newsgroups: sci.electronics,sci.med
Subject: Re: Injury via Phone
Message-ID: <653@gec-mi-at.co.uk>
Date: Mon, 7-Sep-87 08:52:20 EDT
Article-I.D.: gec-mi-a.653
Posted: Mon Sep  7 08:52:20 1987
Date-Received: Sat, 12-Sep-87 15:36:40 EDT
References: <414@gtx.com>
Sender: news@gec-mi-at.co.uk
Reply-To: adam@gec-mi-at.co.uk (Adam Quantrill)
Organization: Marconi Instruments Ltd., St. Albans, UK
Lines: 12
Xref: mnetor sci.electronics:1263 sci.med:3166

In article <414@gtx.com> al@gtx.UUCP (Al Filipski) writes:
>Is a telephone capable of transmitting enough sound amplitude to cause pain 
>or damage to the ears?
>
I don't know about the transmission capabilities, but the Post Office in the UK
was sued when an engineer accidentally dropped 250V ac onto a connected line
and blew someone's ear away with the noise. I have a feeling that the exchange
could limit the amplitude of incoming signals.

       -Adam.

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