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Article #56Re: Any Sony CD Guru out there?
From: Howard Ferstler
Date: Mon, 25 Jul 2005 17:23
Date: Mon, 25 Jul 2005 17:23
35 lines
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2977 bytes
ScottW wrote: > > "Howard Ferstler" <ferstle@attglobal.net> wrote in message > news:42DEEDA5.4B56E56@attglobal.net... > > How can any current be flowing through the speaker? All of > > it will be passing through the short in parallel. > > > > Howard Ferstler > The only way the current through the speaker is zero is > if the voltage across the speaker is zero or the speaker > is fried and has infinite impedance. > We'll assume the speaker is ok. > Since the speaker and the short are in parallel.. > they will both have the same voltage across them. > > Clearly the current required to generate a voltage > across a true zero ohm short is infinite (I = V/R)... but a true > zero ohm short is physically impossible (well maybe the > superconductor guys have something close). > > So... if the amp hasn't shut down and is producing a voltage > at all across the short (which isn't really a perfect short) > ... the same voltage will be present > across the speaker and current will flow thru the speaker. > > ScottW I agree, and I was previously wrong. The SPL will be darned low, however, and would that speaker be playing loud enough to be heard if all of the other speakers are playing at normal, unshorted levels? Howard Ferstler
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X-Google-Thread: fb1f8,85de6927d4801af4 X-Google-Thread: 109f11,85de6927d4801af4 X-Google-Thread: 10d85e,85de6927d4801af4 X-Google-Thread: 108c0a,85de6927d4801af4 X-Google-Attributes: gidfb1f8,gid109f11,gid10d85e,gid108c0a,public X-Google-Language: ENGLISH,ASCII-7-bit Message-ID: <42E51FFF.27189F49@attglobal.net> Date: Mon, 25 Jul 2005 13:23:11 -0400 From: Howard Ferstler <ferstle@attglobal.net> Reply-To: ferstle@attglobal.net Organization: Intellectuals Incorporated X-Mailer: Mozilla 4.61 [en] (Win95; I) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: rec.audio.tech,rec.audio.misc,rec.audio.opinion,aus.hi-fi Subject: Re: Any Sony CD Guru out there? References: <3t2dnYqMZtkjVU7fRVn-tg@comcast.com> <42d4404e$1_1@spool9-east.superfeed.net> <42D4413F.73CB6DB5@attglobal.net> <42d447af@news.comindico.com.au> <42D46A8B.C7700190@attglobal.net> <42d47205@news.comindico.com.au> <42D4755A.79ACD965@attglobal.net> <42d47d66@news.comindico.com.au> <42D48270.91F05CCE@attglobal.net> <42d4e5c5@news.comindico.com.au> <42DC1880.E6831157@attglobal.net> <4u4pd11coi0s1ecqf0rqgh3gg5j04kmr8f@4ax.com> <1121791774.615825.17140@o13g2000cwo.googlegroups.com> <kdiqd11l9b1441gn4dcif4niggfbvb6s3f@4ax.com> <42DEEDA5.4B56E56@attglobal.net> <2WDDe.47498$up5.15253@lakeread02> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit NNTP-Posting-Host: 12.65.0.146 X-Trace: 25 Jul 2005 17:40:43 GMT, 12.65.0.146 Lines: 35 X-Complaints-To: abuse@prserv.net Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!news.glorb.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newscon06.news.prodigy.com!prodigy.net!newsfeed.us.prserv.net!prserv.net!news1.prserv.net!12.65.0.146