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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: Does it matter what kind of tweeter? posted by RGA on August 27, 2003 at 11:30:59:
The only tweeter I damaged in 37 years as an audiophile was a horn tweeter back in the 1960's. A horn would increase tweeter efficiency so you wouldn't have to input so much power to obtain loud treble = less heat build-up.Ferrofluid really helps with power handling.
Clipping harmonics were much more important in the old days
of paper cone tweeters and low-power-handling domes with no
ferrofluid. That's when "clipping kills tweeters" started.
One extra watt of clipping harmonics would be a burden on a
tweeter that could only handle 5 watts. Not to mention the
inefficient acoustic suspension speakers and very low power
transistor amps common 30-40 years ago clipped too often.
Now you can rarely find amplifiers less than 50wpc ...
and the amp power ratings are honest now (except maybe
sound receivers) -- there was a lot of BS 30-40 years ago.The voice coil wire diameter and the diameter of the voice coil are most important ... but so is the driver's efficiency and the protection from the high-pass filter circuit in the crossover.
The first speakers I built in 1971 used pro-style compression drivers for 800Hz and up. These compression horns are very efficient (perhaps 110dB efficiency versus 90dB for a typical 1" dome tweeter
today) and use voice coils that are 2" or 3" in diameter versus only 3/4" or 1" for dome tweeters. So they play very loud w/o much power input and the voice coils have lots of copper to absorb heat.
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Follow Ups
- Every tweeter is different - Richard BassNut Greene 12:49:40 08/27/03 (0)
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