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ed_ma61
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Re: CAR AUDIO: Determining +/- on oem speakers/wiring Mon, 08 March 2004 11:48 Go to previous messageGo to previous message
yes, its an alternating DC current

doesnt make it an AC current in the traditional sense by any means though

edit: clarification - i guess tchnically you *could* call it an alternating current, simply because the polarity does switch, HOWEVER if you slow things down a bit - the current that is used to drive the coil in one direction is a simple DC current. if you wanted to hold the coil in a given position (ie not vibrate) you would simply apply a single DC supply. now in order to make it vibrate and make noise, the polarity has to change, and the RATE of alternation of the DC current is managed by the amp.

this is different to saying the power supply to the coil is AC... its just a variably timed alternating DC

[Updated on: Mon, 08 March 2004 11:56]

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Read Message   CAR AUDIO: Determining +/- on oem speakers/wiring rvrollaMon, 08 March 2004 02:51
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring praetorMon, 08 March 2004 03:10
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring V8_MA61Mon, 08 March 2004 08:41
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring rvrollaMon, 08 March 2004 03:17
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring T APLUS 22Mon, 08 March 2004 03:20
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring praetorMon, 08 March 2004 03:21
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring T APLUS 22Mon, 08 March 2004 03:41
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring feral4mr2Mon, 08 March 2004 03:46
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring THE WITZLMon, 08 March 2004 04:24
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring T APLUS 22Mon, 08 March 2004 13:46
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring rvrollaMon, 08 March 2004 04:36
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring praetorMon, 08 March 2004 05:04
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring feral4mr2Mon, 08 March 2004 07:54
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring THE WITZLMon, 08 March 2004 09:17
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring ed_ma61Mon, 08 March 2004 09:23
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring praetorMon, 08 March 2004 10:58
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring  ed_ma61Mon, 08 March 2004 11:48
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring V8_MA61Mon, 08 March 2004 11:50
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring THE WITZLMon, 08 March 2004 12:18
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring V8_MA61Mon, 08 March 2004 12:34
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring feral4mr2Mon, 08 March 2004 12:36
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring HedgehogSandwichMon, 08 March 2004 12:39
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring praetorMon, 08 March 2004 22:00
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring HedgehogSandwichMon, 08 March 2004 23:48
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring praetorTue, 09 March 2004 00:11
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring ScorpionTue, 09 March 2004 01:42
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring feral4mr2Tue, 09 March 2004 12:20
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring praetorTue, 09 March 2004 02:14
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring SeadogTue, 09 March 2004 04:03
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring THE WITZLTue, 09 March 2004 04:33
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring ScorpionTue, 09 March 2004 09:03
Read Message   Re: CAR AUDIO: Determining +/- on oem speakers/wiring HedgehogSandwichTue, 09 March 2004 11:50
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