KEF Unicore

[Ron Texas]

https://us.kef.com/uni-core?utm_sou... US&utm_campaign=Uni-Core Announcement 011421

Force cancelling low frequency driver to appear in a new product.

 

[thewas]

 

[Archsam]

Reminds me of the strange little nearfield speakers by Sony:

https://www.sony.com/electronics/speakers/sa-z1#acoustic

 

[bo_knows]

https://us.kef.com/uni-core?utm_source=newsletter&utm_medium=email&utm_content=GEEK OUT WITH US&utm_campaign=Uni-Core Announcement 011421

Force cancelling low frequency driver to appear in a new product.

So what do you think? Another subwoofer or a new speaker? White color drivers?

 

[Ron Texas]

So what do you think? Another subwoofer or a new speaker? White color drivers?

I think it will show up in a new speaker along with the Meta coaxial, but that guess is worth what you paid for it.

 

[bo_knows]

I think it will show up in a new speaker along with the Meta coaxial, but that guess is worth what you paid for it.

Time to daydream. I would like to see something like an LS50W II on steroids with a large enclosure to accommodate the new bass drivers. Make it go down to 35-30Hz and have DSP. Price it between 5-6$K.

 

[Soniclife]

Hard to see how it saves that much space except in very small speakers, and it will dictate the cabinet dimensions, I can only think something like a mini Blade, little bigger than an LS50, which sounds cool.

 

[stren]

Either
- for upgrading their existing subs
- for upgrading the blades to a new version with the meta driver too
- for a 60th anniversary product later this year - the LS60/LS60W, I'd prefer it to be called the mini blade.

 

[Ron Texas]

Time to daydream. I would like to see something like an LS50W II on steroids with a large enclosure to accommodate the new bass drivers. Make it go down to 35-30Hz and have DSP. Price it between 5-6$K.

How about something like the R3 with a slightly deeper cabinet? Mini-Blade, do you mean a switchblade? If it's just a sub, I will be disappointed.

"The saved space provides the drivers far more excursion than an equivalent-sized, force-cancelling design, unlocking more output and depth from much less space. This patent-pending technology smoothly delivers powerful and deep bass response while removing the space concerns that are often obstacles to premium subwoofer performance." From the news release, emphasis added.

 

[stren]

similar, but also not... the spider is far larger on the kef link. Makes me think sub?

 

[stren]

How about something like the R3 with a slightly deeper cabinet? Mini-Blade, do you mean a switchblade? If it's just a sub, I will be disappointed.

Like my poorly executed image editing - bookshelf version of blade with single pair of woofers

 

[q3cpma]

Imagine an R3 with those.

 

[bo_knows]

Like my poorly executed image editing - bookshelf version of blade with single pair of woofers

View attachment 106065

I would go for that if reasonably priced and they can extend the bass to 30Hz

 

[phoenixdogfan]

Don't know how this is different from their Rb400 sub. But would be interesting if they could use this for cardioid bass.

Perhaps pair it with a 12th generation uni-q with cabinet side vents and DSP and do a D & D type speaker for around $5k.

 

[jhaider]

Don’t forget that in a passive system you have to balance cabinet volume, efficiency, and extension. I don’t think KEF is into 70dB/2.83V/1m speakers, so to really allow higher bass SPL into a smaller volume an active design is required. So subwoofers or active speakers. It would be nice to see KEF launch actives that compete with Adam/Genelec/Neumann on design, but in home friendly cabinets. They will have to get over their current stupid allergy to grilles though.

 

[Doodski]

Wowow. KEF has really gotten aggressive with the engineering. It's like the KEF twin coupled cavity bass reproduction system with opposing phase cancellation steel rod between the woofer but way better.

 

[Chromatischism]

Don’t forget that in a passive system you have to balance cabinet volume, efficiency, and extension. I don’t think KEF is into 70dB/2.83V/1m speakers, so to really allow higher bass SPL into a smaller volume an active design is required. So subwoofers or active speakers. It would be nice to see KEF launch actives that compete with Adam/Genelec/Neumann on design, but in home friendly cabinets. They will have to get over their current stupid allergy to grilles though.

In-room, Buchardt managed 33 Hz, 88 dB sensitivity, and mid-90's SPL in a passive 365 x 180 x 240 mm cabinet, so it can be done. But that's a design for smaller rooms. If you want that in a larger room, you'll need a larger speaker.

 

[Chromatischism]

Wowow. KEF has really gotten aggressive with the engineering. It's like the KEF twin coupled cavity bass reproduction system with opposing phase cancellation steel rod between the woofer but way better.

It's just two woofers combined together and you'll pay a premium for it. You can get the same effect here but more output per dollar:

http://www.rythmikaudio.com/G22.html

Honestly I don't really care about force cancelling that much. I'd be fine with two separate woofers, however the designer deems to arrange them. Buchardt, Dutch & Dutch, Kii, etc have good designs.

 

[Lawhaus]

Something tells me it’s gonna be for a wireless speaker. Which would be dissappointing for me.

similar to https://www.bowerswilkins.com/formation/bass

 

[thewas]

In-room, Buchardt managed 33 Hz, 88 dB sensitivity, and mid-90's SPL in a passive 365 x 180 x 240 mm cabinet, so it can be done. But that's a design for smaller rooms. If you want that in a larger room, you'll need a larger speaker.

Mind you those 33 Hz is a in-room spec, KEF gives there also for example for their LS50 Meta Typical in-room bass response (-6dB) 26 Hz while its anechoic -6dB point is at 47 Hz.