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In Reply to: RE: Thanks a lot ... but what about distortion ? posted by beppe61 on July 10, 2014 at 07:32:28
If you want to see what exceptionally good distortion performance in a speaker looks like try the ones in the link provided.
Distortion also rises with output, these have been measured at a rather loud 100dBspl.
Follow Ups:
Hi and thanks a lot indeed.
This is very unusual i mean ... to find distortion figures in the specifications ... impressive speakers indeed.
I am afraid out of my budget also.
You say " Distortion also rises with output "
That is indeed my thinking.
If i listen able to keep distortion let's say under 1% at 100 dB when i will be listening at 90 dB distortion should be extremely low.
Commercial speakers have usually 10% of distortion at 100 dB
Good pro speakers are lower. Much lower because they use compression drivers, efficient woofers and so on
Thanks again.
P.S. Geithain speakers have a characteristics that i do not like
The mid and high sections cover the woofers
I much prefer the coaxial arrangement ... like Tannoy to say one.
Very much actually.
Kind regards,
bg
German companies seem more likely to publish distortion curves than others.
ME Geithain and Neumann do for complete speakers, Eton, Accuton and BMS do for bare drivers.
Unfortunately they don't all measure at the same level. The speaker manufacturers use a certain SPL while the driver manufacturers usually use 1W except BMS who use something close to max power for cone drivers and 1 or 10W for compression drivers.
The only non-german company to publish those I can think of at the moment is Beyma.
Hi thanks a lot again for the very interesting information
My interest for HE and low distortion speakers has started after listening to speakers like Avantgarde.
The bass was not right ... but the mid to high was very exciting.
I was impressed by the action of the horn on very commong drivers
So i can only image what a right horn can give to a good driver.
Then i listened to a JBL 375 and i was floored ... immense dynamic with cristal clear sound
I really do not think that unloaded drivers are able to give a similar performance
When i see speakers like these i wonder why they do no use horns ,,,
ok ... better not to start a fight ... let's say that they are speakers for very big rooms but with conventional drivers and cost 200 kUSD
I cannot explain this approach ...
Thanks again.
Kind regards,
bg
As so many things horns create as many problems as they solve.
You need to pick the compromise you are happy with.
Personally I do not like the sound of high efficiency speakers at low volume but I also don't like low efficiency ones with higher power. To me for home use the sweet spot are drivers/speakers with an efficiency in the low to mid 90s.
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