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Date: Wed, 27 Apr 2005 12:19:00 +0100
From: "© rbnospam" <1nospamcommmode>
Subject: Re: I think I blew my amp??!!

"Malt_Hound" <Malt_Houndnospamm*> wrote in message > James Sweet wrote: >> "Malt_Hound" <Malt_Houndnospamm*> wrote in message >> >> >>>James Sweet wrote: >>> >>>>"es" <> wrote in message >>>> >>>> >>>> >>>>>yes i will do that today and does that mean i need to get i higher watt >>>>>speacker becuse these are 140 w max i really didnt thing the saab amp >>>>>can do that much. So what is the watt specs on the amp and where is i >>>>>located >>>>> >>>> >>>> >>>>No you more likely need a higher wattage amp. If you drive an >> >> underpowered >> >>>>amp too hard it clips, and clipping is very hard on speakers. >>>> >>>> >>> >>>Yeak all that limited voltage and current wreaks havoc on the >>>speakers... NOT. >>> >>>Where do you people get this stuff? >>> >> >> >> >> Happens all the time, obviously you've never worked in the consumer >> electronics service field. >> >> > > No, you're right. I've only worked in the military and medical > electronics service fields for the past 30 years... > > I know you can overdrive speakers and blow them. What I'm saying is that > it is not due to the clipping (unless we are talking specifically about > tweeters). It's due to the fact that amplifiers can put out more than > their "rated" power. Most people assume a 50 watt amp can only put out 50 > watts, so it's safe to hook up speakers that are rated at 50 watts. > That's wrong. > > As Colin pointed out, the amp's rating is at a particular usable > distortion level. If you overdrive the amp, you are capable of putting > out more power than the "rating" but at higher distortion levels. It's > the power, not that distortion that takes out the speaker(s). > > It might appear to be "chicken and the egg" I suppose... but significant > in this case. > > -Fred W This is all very interesting and highly technical. But to lighten the mood a little, has anyone else ever taken a tiny speaker out of a broken transistor radio, and wired it up to a 100w amp to see how much it would take? I have, and it went pop quite spectacularly. Not that I'm condoning wanton destruction, you understand, I was just bored. That was after making an industrial spud gun with a compressor and a gas pipe. Boredom is a terrible thing... D ;-)

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