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In Reply to: RE: Wideband Driver Distortion posted by PaulF70 on March 2, 2025 at 17:02:19:
It takes an increase of 10 dB to sound twice as loud to the human ear. So, if you have a frequency response at 95 dB and distortion at 45 dB that is a huge difference in volume the frequency is five times louder than the distortion. And no human could possibly detect that. And multiple test conducted over the years have concluded that distortion levels have to go well above 1% to be audible to the human ear.This is why audiophiles have never complained about any particular speaker as having more or less distortion than another. Amplifiers and source distortion yes but speakers never.
And the distortion figures your referring to can be misleading. All speaker measurements are done the same way. A microphone 1-meter/3'3" Infront of a speaker with the speaker being fed 1 watt/2.83 volts. And that is not accurate to real world listening volumes and when you increase volume you increase diaphragm movement and that increases distortion. The distortion will be higher with 5 watts input even higher with 10 watts input.
Then you also have to take into account the fact you do not sit 3'3" Infront of a pair of speakers to listen. Most people sit 8 to 10 feet away making the distortion from a speaker even more inaudible even at higher volumes.
The Voxativ add you posted is scary and insulting at the same time. Scary someone would spend $100,000 on a speaker in a cheap looking shity quality acrylic cabinet that is just blatantly ugly. For $100,000 People want high end exotic wood not cheap plastic. Scary they actually write in the add does not sound best with each amplifier so when you complain the speaker sounds bad, they will blame it on your amp. Scary the manufacturer is using a made-up proprietary grading scale. And it's insulting that Voxativ even made this speaker thinking someone is gullible enough to buy it.
Just look at the horrible response. From 100 HZ to 1000 KHZ the speaker is averaging in the upper 8o dB region at around 70 Hz looks to be a good 9 dB louder that's almost twice as loud and the peaks in the high frequencies are over 15 dB louder LMAO!!!.
These types of speakers I always refer to as a scam speaker. It's a full range driver with a horrible response compared to other 8" full range drivers not worth $50 was a waste of copper for the field coil magnet. Put in a cheap plastic backloaded horn known as a W expansional horn a copy of a JBL cabinet from 1957 with marketing that looks like a 13-year-old marketed it and a $100,000 dollar price!!!! The people at Voxativ that designed and marketed this speaker should be arrested for crimes against humanity LMOA!!!
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- RE: Wideband Driver Distortion - seancuster71@gmail.com 13:15:07 03/03/25 (0)
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