Milleron wrote:
> On Sun, 21 Aug 2005 12:55:20 GMT, "B Squareman" <Squareman@none.com>
> wrote:
>
>
>>"SaraKat" <hxckitty@aol.com> wrote
>>
>>
>>>Ok I am very sorry for the lack of info I'm just not sure what is important
>>>or not. I have a pioneer stereo and speakers. I know that the speakers
>>>are find b/c I bought them a month ago b/c the old ones blew and they work
>>>in my friends car...we tries just incase. Also I’m not sure how this is
>>>relevant to my stereo but yes my car is a Honda, its a 1995 Civic Ex V-Tec
>>>and (sarcastically) I know this must be important Curly but my car is a two
>>>door!! I don’t have an amp.
>>
>>Many times people install speakers with the wrong impedance. This bogs
>>down the IC amplifier. Usually before you know the IC fries and the only
>>replacement is to replace the audio deck or, if you're lucky, just the IC.
>
> Mismatched speaker impedance can ruin an amplifier? It decreases the
> efficiency of the system, but "frying an integrated circuit?" Are you
> sure?

do the math. how much more current will sink through a 4ohm load
compared with an 8ohm load? and what is the formula for power?

bottom line, yes, wrong impedance can fry the ic.

>
>>The impedance is usually written on the deck. 8-Ohm is a lot safer than
>>say, 2-4-Ohm speakers.
>>
>>
>
>
> Ron