Am I then correct in understanding the line of thinking is as follows: with an outward move of the cone the principal driving force is from the conventional motor, and the second motor helps to push further to overcome the inward sucking force or of the volume? I still do not see the light.
'A device effectively decreasing the enclosure and suspension stiffness over the complete excursion range of the driver, effectively decreasing the power needed by the driver to travel over its excursion range'
You have a driver in 1 volume unit (cu ft/ liter) but want it to behave as if it's in 10 volume units, that is what the added part (and I assume a sophisticated algorithm) is responsible for.
Figure 5 is from a 2003 patent (prior art), apparently there have been countless tries within different embodiment's since the 1950's. Also there seems a large focus on stabilization in the 2020 patent beyond what I feel ready to decipher.
You have a driver in 1 volume unit (cu ft/ liter) but want it to behave as if it's in 10 volume units, that is what the added part (and I assume a sophisticated algorithm) is responsible for.
Figure 5 is from a 2003 patent (prior art), apparently there have been countless tries within different embodiment's since the 1950's. Also there seems a large focus on stabilization in the 2020 patent beyond what I feel ready to decipher.
I would expect some form of MFB to be helpfull here, although not even a hint towards that is given (I have not yet read the whole patent yet, could be in there to at least braoden the range of the patent application)
Received in my email.
It's a mere 35 hour drive if I keep my foot down. I'll have to leave tonight.
Tell my wife I love her and don't worry about me, Ill be okay.
It's a mere 35 hour drive if I keep my foot down. I'll have to leave tonight.
Tell my wife I love her and don't worry about me, Ill be okay.
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I need to see an actual comparison....10ft3 enclosure vs 1ft3 enclosure.
"To achieve something anywhere near to a 10-to-1 reduction in enclosure volume has only been approached theoretically, or realized in the lab, in a manner that was not practical as a real-world device. The two methods that have at least suggested a possibility of overturning Hofmann’s Iron law, (where it is known that to have an improvement in any one of efficiency, bass bandwidth, or enclosure volume requires a commensurate compromise in one or both of the remaining parameters) have been that of a stabilized vacuum enclosure, or a negative spring applied to the woofer diaphragm, to offset the stiffness of the enclosure air spring."
A wise man once said it is easier to ask forgiveness than permission.
Hi honey, I’m home!
Honey?
Honey?
Hi honey, I’m home!
Honey?
Honey?
Why was I gone so long?
Well honey I, well you know, it has to come from Texas if you want real barbecue and since I love you so much, only the best will do.
Ummm honey, why are you looking at me like that?
Well honey I, well you know, it has to come from Texas if you want real barbecue and since I love you so much, only the best will do.
Ummm honey, why are you looking at me like that?
Doesn't this driver basically just mimick a ported box alignment with a very low tuning frequency? It just doesn't sound that revolutionary when you strip away all the marketing and fancy wording. There's no free lunch to be had here and its just another portable POS Bluetooth speaker.
Nope. The design of the driver makes it behave like a normal driver of the same size installed in a much larger box, if I've got the technical details correct. if that's true, it also means that its efficiency at low frequencies will be noticeably higher than a standard driver in the same size box, ported or otherwise.
Just received an email explaining there are further delays. What they first said was late spring, now they say late summer.
Yeah, trying to do an 'end run' around Mother Nature tends to be a time consuming exercise in futility. 
Except that many persons have heard the final product. There seems to be a similiar 'Wow' about these things.
They are apparently having production problems.
There is a backlog of ordered parts.
They expect good sales so want to be ready for it and not leave some people in the lurch once they start the promotion.
Personally, I don't care about any iron law being broken. If these things go up against other top units in the field and have an extended battery life, neither the technology nor the claims matter to me.
7 hours of decent sound (read: lot's of boom boom) between charges will make these things fly off the shelf. I expect the initial rush to be something we hear about in many circles. There might actually be some substance to all the hype.
We'll see. I'm in no hurry. Heck, I had to move out of my old place and get a new one as there was no room for me to live with all the gear. I don't exactly need this little box but am excited by the thought of it nonetheless.
They are apparently having production problems.
There is a backlog of ordered parts.
They expect good sales so want to be ready for it and not leave some people in the lurch once they start the promotion.
Personally, I don't care about any iron law being broken. If these things go up against other top units in the field and have an extended battery life, neither the technology nor the claims matter to me.
7 hours of decent sound (read: lot's of boom boom) between charges will make these things fly off the shelf. I expect the initial rush to be something we hear about in many circles. There might actually be some substance to all the hype.
We'll see. I'm in no hurry. Heck, I had to move out of my old place and get a new one as there was no room for me to live with all the gear. I don't exactly need this little box but am excited by the thought of it nonetheless.
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Are they using the attractive force of permanent magnets to counter the "air spring" imposed by the enclosed volume of air? Achieving a sort of servo-assistance for the voice-coil, similar to what's found on your car's brake pedal? This sounds inherently unstable, and very tricky to implement accurately. I would think this would be a classic case for motional feedback. Clever though...
Cal:
Where? Didn't see any but tech articles. Me neither, but odds are it won't/don't, though doesn't mean it can't be a step up in performance. Ditto, always up for new twists to old ones. 😉
Where? Didn't see any but tech articles. Me neither, but odds are it won't/don't, though doesn't mean it can't be a step up in performance. Ditto, always up for new twists to old ones. 😉
it was informally shown at CES and debuted at SXSW.
Any way you slice it, it has caught my attention. I am not trying to defend it, but am hoping to get one to see for myself. I expect to wait a while as I won’t buy sight unseen, and have not heard about how I can have a listen here north of the border.
Any way you slice it, it has caught my attention. I am not trying to defend it, but am hoping to get one to see for myself. I expect to wait a while as I won’t buy sight unseen, and have not heard about how I can have a listen here north of the border.