Why would this companies goal be to make a 25 year old clone speaker? Then put it in their flagship product I am not buying that and once again the engineers China now has is crazy -sorry I think the 2 speakers P81 and P82 are very serious quality passive speakers. I mean you do not like 3inch dome midranges? - I have found done correctly they can make the human voice and instruments sound natural and life like. Of course there are other choices.
Anyway somebody hopefully will listen or try these drivers. The high quality sound clips done by Paiyon certainly give no indication of poor design.
Anyway somebody hopefully will listen or try these drivers. The high quality sound clips done by Paiyon certainly give no indication of poor design.
dlneubec used it with 2/cab in the Scimitars project, and they were clean to 20Hz.
I don't think you mean MaynardG, as TMK, he's not used it.
Wolf
Member
Joined 2003
I’m not suggesting they’ve cloned it. Maybe they’ve deconstructed it and made it better.
There’s no doubt the ATC dome was a state of the art driver when it was released, and still a outstanding by today’s standard. The late Jeff Bagby documented it in 2014:
http://studio-hifi.com/images/ATC75-150S_JeffBagby.pdf
But can it be improved on? Yes it can.
A) it’s unobtainium
B) modern neodymium magnet materials could be used reduce the size and weight of it. (A 3” dome with enough ferrite for magnet a 12” subwoofer?!)
C) allow a smaller frame. With all the advances in understanding of the importance of off axis response; centre to centre spacing; a smaller frame is quite important. Could it be re-designed with a smaller frame eg 4-5” instead of 7-8”?
D) get rid of that 3.8Khz blip; though largely no acoustic effect of doing so.
There’s no doubt there are clever engineers in China and India and everywhere around the world.
We have a population of only 25M here in Australia (Australian born Bill Woodman founder of ATC)
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I totally missed out on the TB dome midrange - It must have been pretty good because they went out of stock quickly all over the world.
This speaker on FS: Silverline Audio Sonatina Birdseye veneer - Stereo, Home Cinema, Headphones Components - StereoNET International . Uses LP domes and I would love to get this but located in Victoria and I am in Country NSW -the chances of that speaker arriving in perfect condition would be zero. And I think dome fragility ,risk to damage is a major reason they were designed almost out of existence
Anyway gorgeous loudspeaker
We're hoping for exactly that from upcoming Bliesma 3". It surely will be smaller (121mm), has neo magnet and looking at other Bliesma domes we can guess that motor will be the state of the art.
+ there will be 4 different versions of it 🙂
SBacoustics MD60N was/is a great disappointment for me. High distortion bellow 1000Hz, low Xmax (BliEsma shown have more than double Xmax of SB dome).
BliEsma will be expensive, that's for sure but objective and subjective performance will decide if it will be used by people or will be forgotten as is MD60N.
Looking at Stanislav's previous work with 25mm and 34mm tweeters i'd say this has to be excellent 🙂
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Really looking forward to the test results on all these -the specs look awesome
Very interesting ! This bodes well for a future review/comparaison like you did for the different versions of the Bliesma T25 😉
Yup... You can't use it much bellow 1000Hz and not sacrifice sensitivity and here is how it compares to 50 euro SB15NBAC (graph posted 400Hz and up at 100dB loudness). SB15NBAC doesn't lose sensitivity bellow 1000Hz so we shoudl factor in that as well. It costs 180 euros/piece and it's price dropped so you can find it at sale for 150 euros a piece.
Quite average performance for premium price. Dayton RS52AN-8 runs circles around it for third of the cost.
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Visaton AL200 performance is a surprise - I thought it would be much better than that ,it is used in so many designs and is over $200 in Australia -it is a 20 year old driver. Visaton might need to get on the design program
Yes the 1.41V drive level makes it look reasonable. But that's 87dB @1Khz.
To be fair not many drivers can match the SB15/17 N(B)/CAD for distortion between 200Hz and 3Khz, so it's not the only one.
I believe the main difficulty with it is the loss sensitivity below 1Khz. It's down 6dB at 400Hz, so as a replacement for the high sensitivity ATC 3" dome, for use between for 3 octaves between 400Hz and 3.2Khz, it is not.
The ATC also has remarkably low distortion where H2 is about -60dB and H3 between -60 and -70dB when playing at 2.83V (95dB @1Khz)
With some response shaping and creativity it could be used to as a filler driver between large woofers and small tweeters. But then you ask.. what do you gain compared to another midrange in a 5" frame?
Looks remarkably similar in performance to the Dayton RS225P. And obviously came along far before it. Better than SB23NBAC in the bass and midbass. Looks ok to me.
Not much to complain about, except for the price, as you say.
According to their respective measurements on Hificompass, I would say that the SB23NBAC has significantly less distorsion than the Visaton in the midbass and low-mids. Something like 10dB to 20dB less H2 between 100Hz and 1,5KHz. Slightly less H3 too. As far as deep bass is concerned, the Visaton has a 2nd order HPF at 50Hz in that test, which the SB23 does not have.
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I've given this some thought for the past few years.
I think that what you get is "overpushed" moving system (Laurence Dickie came up with this one). 75mm motor is applying force to 75mm light cone/dome vs 38mm motor applying force to much more heavy 4" cone (in case of 5" midwoofer).
I also believe that there is no metric that will prove one is better over another but subjective performance might - again, per Laurence Dickie.
I've yet to do a comparison of that sort.