SEAS KingRo4y MK3 Kit

[jurajc]

Hi, can I have these beautiful speakers near the wall on a table next to my computer, with the subwoofer on top?

 

[somebodyelse]

Nobody's going to stop you, but you haven't provided enough information for anyone to judge whether it's a good idea or not.

 

[jurajc]

I only ask because I sit quite low and the center of the full-range speaker would be about 20 cm above ear height. Ideally, I would like it to fit horizontally, but I don't know if it can be done that way.

 

[somebodyelse]

If you're doing it to get the tweeter closer to ear level that should be fine.

 

[jurajc]

Thank you, and can they be 5-10 cm from the back wall?

 

[somebodyelse]

Yes, although you'll want a measurement mic to check the response, and maybe some absorption behind. You can then measure the LF boost from being close to the wall and compensate for it in the EQ configuration when you're doing the room correction. This is a more accurate equivalent to the switches in the back of powered monitors that offer a generic setting for different speaker placements.

 

[T3M3]

This is my project. I wanted high quality DIY floor speakers. As it turns up, you can make KingRO4Y just like that.
They sound great, 1.5m away.
My listening room has about 250ms delay, it is quite heavily acoustically treated.
Stereo image is wide, but not the widest i have heard.
You can move your head, but if they are more near, you can hear some changes in the stereo image and phase, so that is why 1.5 m is optimal for my room.
It sounds very neutral too.
I use those 10" woofers mainly for midbass, and i cut everything off below 60Hz.
I use FA 503 so i can have double drivers in 2 ohm. Amplifier noise is not problem, because i have them in other room.
On the top i find it very practical to have aiming groove And the bottom lights are because why not
Room corrections i make with miniDSP, it is easier and you can do it while listening.
I think that this is ultimate DIY speaker, and very nice to listen to.
It does not have any serious defiencies, and long lasting listening is not problem even higher volumes.

 

[Gremlins]

Congrats, very interesting build!!
Placing amps far away and connecting speakers the way you did is a good idea

Regarding bass ... Don't you have too much speakers on wall?? I wonder what does its adds up to have soo many?

 

[T3M3]

Congrats, very interesting build!!
Placing amps far away and connecting speakers the way you did is a good idea

Regarding bass ... Don't you have too much speakers on wall?? I wonder what does its adds up to have soo many?

Thanks for comments!

My original point is that you can use KingRO4Y self standing floor speaker even with big subs,
and they work exceptionally good even when you use bass drivers as midbasses.

I am a bit confused, what do you mean by too much?
If you want top quality bass sound, I would argue that nothing beats the surface area of subwoofers.
But I think that is totally other topic then

 

[Gremlins]

I see 16 woofers on wall, at some point, what does it change if only 4 were on wall Vs 16 for example at an average listening level of lets say 80db
I understand SPL would be much higher, but useless in a room

I would be really curious to listen that set up/room

 

[T3M3]

I see 16 woofers on wall, at some point, what does it change if only 4 were on wall Vs 16 for example at an average listening level of lets say 80db
I understand SPL would be much higher, but useless in a room

I would be really curious to listen that set up/room

Main reasons are super effortless sound, clarity, precise transients and musical feeling. And the way they fit in the system, with almost no feeling of being separate subwoofers.
Of course you can make 120dB, but it is not the point here.
I have had 4, 8 and 16 drivers. I have had open baffle, reflex cabinets and closed. I have had so many different placement setups with this room in 10 years. Corners, floor, up, behind and sides and so on.
4 is good, but you can hear standing waves across the room (walking around hundreds of times) and you can hear them a bit as subwoofers, not fully part of the music. So i think with 4 I had the problem to melt them inside the sound, they were a bit separate from it. 8 went better, but 16 really blows your mind.
It creates the wall of bass. But you should not compare to that in basic movie theaters, they make just high SPL,low rumbles rarely good musical sound.
Having wall of bass you actually hear much less standing wave positions, and they exist mainly in the middle of the my room, and everywhere else the sound is just there. I am not acoustic engineer, so i can't explain the mechanism of that. In the listening point there is quite optimal bass, easy to fiddle with DSP and no need to think too much abt standing waves. Of course room adds it own charasteristics too.
I think it has something to do with the relativity to the room size, when it reaches certain point of surface area.
It creates same kind of immersive feeling being inside in the music like good stereo image does for spatial awareness.
The drivers barely move at 80dB. They have ideal volume in the close cabinet and movement is minimal, so distorsion or other mass moving problems goes minimal. Drivers work in the ideal conditions then. I have never liked the idea of drivers moving like crazy, there is too much inertia to move and problems starts with that.
They hardly vibrate anything with mass in the room, but at the same time you feel the air vibrating listening high volumes. SPL depends fully how you turn your volume up. If there is recording with no bass, they don't add anything in it, they stand silent. One amazing thing is, that the sound stays the same at low and at high volumes. And there are no limits what kind of music i can listen to, it might be Bass Mekanik, hardcore techno or lightest jazz. Anything goes whith these. And you really can hear the full range of bass, even when you listen so low volumest that you barely can hear it.

 

[Gremlins]

Thanks for sharing
Still without being at your place, its complicated to understand the feeling

Example, i see 16 woofers for bass , but only 2 tinh coaxial for mediums and highs .. its complicated to understand

Next step then would be to have couple more coaxials?

 

[T3M3]

Thanks for sharing
Still without being at your place, its complicated to understand the feeling

Example, i see 16 woofers for bass , but only 2 tinh coaxial for mediums and highs .. its complicated to understand

Next step then would be to have couple more coaxials?

Bass frequencies have long wavelength, so in typical room subwoofers behave more or less omnidirectionally. And human brains understand bass with phase differencies and higher frequencies with volume and time differencies between ears. I remember learning this from some neuroscience book, my understanding and remembering might be little bit approximation. Usually above 60-100Hz there will be more directional wave character in sound. So there is no need to make directional stereo subwoofers and no need to make sound wall higher than mid bass. I call it the wall of bass, because it certainly feels like it. I can't explain it with not my native language in short very deeply. Someone else might have better answers. But if you ever get to experience huge surface area of low bass, i really recommend to listen Maybe it is not necessary to say this, because i have never met a person not wanting to listen more

 

[Alex333]

If anyone is interested, I’m currently selling 4 of these woofers as a set. I originally built the speakers with dual woofers. I’m selling them because I managed to get the black version and would now like to sell the silver woofers instead.

4 pieces available, no scratches or damage, and they work perfectly without any issues.

Price: 1100€ + shipping + PayPal fees
Location: Germany/Worldwide shipping possible!

Shipping within Germany for all 4 units: €75.96
(+ PayPal fees if paid via PayPal Goods & Services)

 

[Herokazz]

Hi all

Does anyone know someone who has these speakers in Denmark, preferably Copenhagen area?
I would like to buy this person a cup of coffee if I could get a listen before I put in the order

Kasper

 

[Gremlins]

Hi all

Does anyone know someone who has these speakers in Denmark, preferably Copenhagen area?
I would like to buy this person a cup of coffee if I could get a listen before I put in the order

Kasper

To be honest, you can build them closed eyes and be as happy as one can be listening these speakers, they are that good
Why:
The build in DSP and 15 bands EQ will allow you to tailor the sound to YOUR liking. I mean, if you fancy a little warmth, you can get it. If you fancy hyper detail you can it, of you fancy what ever type of sound you can tailor it
You can save 3 preset
I tailored these speakers with 3 preset that i select depending of m'y mood

Bass is phenomenal due to the bass wofer that is normally used in subwoofers.
Coaxial SEAS is a very very good unit, nicelu build and finish and it gives you that point source

 

[Herokazz]

To be honest, you can build them closed eyes and be as happy as one can be listening these speakers, they are that good
Why:
The build in DSP and 15 bands EQ will allow you to tailor the sound to YOUR liking. I mean, if you fancy a little warmth, you can get it. If you fancy hyper detail you can it, of you fancy what ever type of sound you can tailor it
You can save 3 preset
I tailored these speakers with 3 preset that i select depending of m'y mood

Bass is phenomenal due to the bass wofer that is normally used in subwoofers.
Coaxial SEAS is a very very good unit, nicelu build and finish and it gives you that point source

Thanks. Ok yeah I am probably going to go for it in any case. But would still be nice and fun if there was someone nearby that had them.

 

[Gremlins]

Thanks. Ok yeah I am probably going to go for it in any case. But would still be nice and fun if there was someone nearby that had them.

I understand your view
You might have better chances to reach an owner in your country audio forums though

That said, this DIY is full range with tailoring options as bonus. Woofer and coaxial are of very high standard , it made me a nice and happy suprise when i did unboxing, understanding where my money went
The hypex fusion are good units too
Making the wooden case is also a joy and really not that hard afterall
For a better finish, go to a local car painter and drop him few hundreds to get that nice Audi daytona grey polish .
I would recomend you look at cars you like the color, get the plate 'umber and car model,bthe painter will bé in a position to get thé color code

 

[diyhobby]

Bass frequencies have long wavelength, so in typical room subwoofers behave more or less omnidirectionally. And human brains understand bass with phase differencies and higher frequencies with volume and time differencies between ears. I remember learning this from some neuroscience book, my understanding and remembering might be little bit approximation. Usually above 60-100Hz there will be more directional wave character in sound. So there is no need to make directional stereo subwoofers and no need to make sound wall higher than mid bass. I call it the wall of bass, because it certainly feels like it. I can't explain it with not my native language in short very deeply. Someone else might have better answers. But if you ever get to experience huge surface area of low bass, i really recommend to listen Maybe it is not necessary to say this, because i have never met a person not wanting to listen more

Can you share the wall of bass what drivers and build is it OB or Closed