Hi !
even to someone who is really inexperienced like me it seems clear that having a large diameter voice coil is a good and right thing
And yet I see midwoofers even 7" in diameter with 1" voice coils
If one is willing to spend 3 times as much then one can also afford a 1.5" voice coil
But is it so difficult to make at least 2" voice coils ? I only see positive things like greater control of the cone better heat dissipation greater power handling etc.
If even I know it, surely the manufacturers know it too
why do they continue to do this crap? aren't they ashamed?
and they are also famous brands
incredible
sorry for the rant but i wonder why tiny coils are so common
even to someone who is really inexperienced like me it seems clear that having a large diameter voice coil is a good and right thing
And yet I see midwoofers even 7" in diameter with 1" voice coils
If one is willing to spend 3 times as much then one can also afford a 1.5" voice coil
But is it so difficult to make at least 2" voice coils ? I only see positive things like greater control of the cone better heat dissipation greater power handling etc.
If even I know it, surely the manufacturers know it too
why do they continue to do this crap? aren't they ashamed?
and they are also famous brands
incredible
sorry for the rant but i wonder why tiny coils are so common
Not sure it is that simple TBH. A larger voice coil is typically also heavier, and the increased power handling may not matter too much anyway.
Not that simple indeed. See 3rd post here: https://www.bimmerforums.com/forum/...ing-a-bigger-diameter-voice-coil-in-a-speaker
Hi thank you very much for the valuable advice
i will study the link i was trivializing the entire topic
A very complex issue i see As usual the challenge is to find the best compromise
however the highest priced units seem to have quite big coils
https://www.madisoundspeakerstore.c...og&parent=79&pg=1&CatalogSetSortBy=price_desc
i usually look at the most expensive units as a reference of top quality Where money are not spared in order to get top performance
it is the possible better control of the cone movement that triggered my question
i have seen even 8" woofers with 1 inch coils
i will study the link i was trivializing the entire topic
A very complex issue i see As usual the challenge is to find the best compromise
however the highest priced units seem to have quite big coils
https://www.madisoundspeakerstore.c...og&parent=79&pg=1&CatalogSetSortBy=price_desc
i usually look at the most expensive units as a reference of top quality Where money are not spared in order to get top performance
it is the possible better control of the cone movement that triggered my question
i have seen even 8" woofers with 1 inch coils
And cones made from paper? Soggy thin laid-up wood chips like it's 1899? GTFOH...
My uneducated guess is that if paper is used in very high quality drivers it should mean that it has good proprties for the purpose
Moreover top of the line drivers tend to use big coils In some cases huge And those are drivers where cost is not an object They are supposed to provide the very best performance
Hi thanks a lot You mean that it depends on the kind of driver ? i understand
as always some measurements will show the behaviour
When power is a goal i still think that a substantial coil is a very good thing to have
fullrange drivers need light voicecoils, not big ones for more watts. If too heavy the highs suffer in frequency response
completely different for bass and maybe mids. Tweeters even more extreme than with fullrange drivers
completely different for bass and maybe mids. Tweeters even more extreme than with fullrange drivers
Sometimes making the voice coil huge is "expected by the customers" and is more marketing than engineering. You have take more into account than just "make it larger, that is good quality". The point where you drive the cone in combination with the material of the cone and surround combined with the intended use will be the most important.
hi thank you very much for this very helpful advice This makes me understand how much building a good fullrange driver is a great technological challenge
I think that more than a full range it would be interesting to have a wideband midrange that can cover from 200 to 3kHz or something like that to put in a three-way
hi i see The main problem is that it is very difficult to assess the quality of a driver with instruments
looking at a catalogue i see that drivers with same size and fs can have a huge difference in price And i do not understand if the difference in performance justify the price delta Very bad
Hi ! thank you very much I forgot to update my location since i moved from Milano where i was working before retirement I am back to my birth city Torino now
thank you sincerely for the very interesting paper I will try to understand something but i have been always bad at learning theory
but i have to confess that the more i read the more i get confused
For instance i read how important is in a multiway speaker not to have different drivers emitting same Hz at the same time
Then i read in a review when they talk about the xover
https://www.stereophile.com/content/egglestonworks-andra-loudspeaker-page-3
what it should be wrong in theory sounds very good indeed Maybe what is technically right instead sounds awful ?
this confuses me a lot
I only look at Stereophile for the pictures and the occasional designers' construction hints: I didn't realize those Egglestonworks had isobaric woofers...!
Here's a review of an Alon they didn't like until the designer talked them into it...
https://www.stereophile.com/floorloudspeakers/323/index.html
Here's a review of an Alon they didn't like until the designer talked them into it...
https://www.stereophile.com/floorloudspeakers/323/index.html
Hi i used to read a lot their reviews just to try to understand something I did not learn much but i am sure it is my fault
However when they place a speaker in their class A i tend to think that the sound must be very very good
they are still a reference to me
Acarian Systems speakers' designer is very famous for his competence I would take any of his speakers immediately They must all be excellent
I read in the conclusions
well very positive opinion
this i do not understand really If a speaker sounds good it is good Maybe just a little fussy of amps But the potential is there
again very positive A strange review full of contradictions Quite confusing
Anyway i see a speaker and i wonder why they have done it in a certain way Speaking of Andra this is how the midhigh section is done
i would much prefer a classic D Appolito for the MTM
maybe with the center emission of the tweeter as close as possible to the centers of emission of the two mids
I am intrigued by the lack of xover on the mids They say that they have done tests and this solution is by far the more transparent and beautiful sounding
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