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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: Re: That would make you wrong too posted by Todd Krieger on August 25, 2003 at 14:44:25:
Anecdotal evidence is not a very scientific analysis of the relationship between maximum amplifier power output and speaker damage. There are far too many variable involved.
For one example, did it ever occur to you that after damaging tweeters you became more careful about playing music at high volumes in the future? And had you simply stayed with the 30wpc amplifier and been more careful with the volume control, your tweeters would have remained intact in the future too?When I was a teenager in the 1960's I blew out a University horn tweeter from excessive volume and it cost $50 to replace, which is equivalent to about $250 in 2003 dollars ... so I learned my lesson and never blew a tweeter in the following 35+ years.
So what does that prove about amps and tweeters?
Nothing!I did say that clipping harmonics account for roughly 5-10% of the power reaching tweeter so did not imply they have no danger.
In my mind is a typical 12dB/octave 2000Hz. or higher crossover frequency. The danger to tweeters would increase if the tweeter couldn't handle much power, used only a 6dB/octave crossover slope and had a relatively low turnover frequency. But rms power would still be the primary cause of damage by far - not clipping harmonics.All other things equal, if you had massive clipping, let's say 10dB, using a 30wpc amplifier, then you'd still have 6dB clipping using a
70 wpc amplifier. That's not a big difference.Taking your popular but wrong "clipping is dangerous" theory to the extreme:
-- Would you say if eveyone used a 1000wpc amplifier that never clipped, we would never have damaged tweeters again ... and if everyone used a 1wpc amplifier that clipped heavily all the time, we'd hear horror stories of blown tweeter's every hour?
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Follow Ups
- The mistake is to assume a more powerful amplifier is safer - Richard BassNut Greene 15:13:34 08/25/03 (7)
- Guys guys guys - mikebake 16:27:06 08/25/03 (6)
- That JBL Pro article is about 30 years old and misleading - Richard BassNut Greene 17:00:59 08/25/03 (4)
- Re: That JBL Pro article is about 30 years old and misleading - mikebake 17:25:23 08/25/03 (3)
- Had read that article years ago too! - Richard BassNut Greene 18:06:47 08/25/03 (2)
- Ha! - mikebake 18:16:05 08/25/03 (1)
- Then you're a smart guy - Richard BassNut Greene 18:42:46 08/25/03 (0)
- Re: Guys guys guys - bwkendall 16:42:14 08/25/03 (0)
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