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Lii Crystal 10 Fkagship Speakers compared to... (Read 1527 times)
SugarBear
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Lii Crystal 10 Fkagship Speakers compared to...
01/04/20 at 19:28:59
 
I could not find a forum for these speakers, so I posted here. I really would like a pair of the Open Baffle 15’s, but the wife has let it be known I’d never have a moments peace if I put them in our house... I like peace. Anyway, the Crystal 10’s are obviously going to have different characteristics since they’re put there driver in a box, could someone give a general idea of what they are strong at compared to the 16 Open Baffles?

Also can someone comment on the build quality and finish?
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Alex
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Re: Lii Crystal 10 Fkagship Speakers
Reply #1 - 01/05/20 at 19:59:11
 
I have the Lii Audio Fast 10 which is the predecessor to Crystal 10 and it really sounds good. I built... or I’m building an enclosure with the following measurements: 33” tall x17”long x14 width. The sides curve out 2.5 inches. I’m currently testing different ports in a cheap front panel to determine how many ports I want.  I’m using Baltic birch wood except for the front because of testing purposes. No need to drill test ports on the front baffles with the real wood. Here’s a link with pictures of my build.
https://www.diyaudio.com/forums/attachments/full-range/793859d1573423329-audio-n....

By the way, there are two forums out there where a person built an enclosure for the Crystal 10.

https://www.lencoheaven.net/forum/index.php?topic=31054.90
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Steve Deckert
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If the 1st watt
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Re: Lii Crystal 10 Flagship Speakers
Reply #2 - 01/06/20 at 02:26:48
 

The low bass extension is what these speakers have over the large open baffles. Also, the midrange and top end is more nuanced.
Cabinet build quality is very good. Veneer work is a B+ which we feel is more than reasonable considering the price. If these speakers were made in the USA, the cost would be multiplied by four at which point you would expect absolute perfection.

Steve
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Steve Deckert
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If the 1st watt
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Re: Lii Crystal 10 Fkagship Speakers
Reply #3 - 01/06/20 at 02:59:22
 

As a followup to the bass performance... you will hear me talk about this a lot with reference to this speaker and it's not because that's it's main sales feature - not by a long shot.  What it IS though, is a unique bass performance that you're not going to get out of a subwoofer or most large multi-driver hi-fi speakers of today. Let me expand on this a bit...

When you want good bass, there is no substitute for a large cabinet.  

Subwoofers you buy at the store are basically the opposite of that. They are in contrast a small box, a woofer that moves in and out so far you can see it from across the room, lots of power to drive it thus requiring solid state amplification to keep it affordable and a crossover component. This approach has been and always will be a bandaid on what we can think of as a wounded sound by speakers too small to have any real bass on their own.

A large cabinet means a large cabinet per driver.

Shoving 4 woofers in a large tower doesn't count. That's because each woofer divides the box volume by four making it exactly the same as a stack of small subwoofers in small boxes. A large cabinet is to the driver what a cathedral is to a pipe organ. What would a pipe organ sound like dismantled and re-assembled in your listening room? It's the same thing.

To require a large box to hit the resonance point of a driver means that the driver is not going to be moving much to create that huge deep bass, while in contrast the comparatively tiny subwoofer cube driver is going to have to flop all over the place just to keep up.  

The 100dB efficiency you get in the large enclosure means that you get deep, low, powerful and effortless bass without noticeable cone movement. It is the most realistic, cohesive bass you can hear from a loudspeaker for home use.  

In the USA, speakers like this are no longer popular because it's 1950 technology, too big, hard to market in the flashy world of multi-driver loudspeakers, and because every generation is convinced they're smarter than the last generation, few people have even heard such a thing. That said, I can tell you the only thing that has happened since the 1950's in hi-fi is that it is has shrunk and developed it's own fashion industry element that drives the price up.  I mean if you're going to spend upwards of $150,000 on a pair of speakers, it goes without saying they are going to be big, but at the same time, someone might laugh at you if it only has one driver, so you can be pretty sure it's going to have as many as will fit.

Steve

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GroovySauce
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Re: Lii Crystal 10 Fkagship Speakers compared to...
Reply #4 - 01/07/20 at 11:39:29
 
I have not heard the F-15's nor the C10 flagship box. I did get a simple quarter wave box made and put the Crystal 10's in.

I got the design from Leon Huijgen which is available on Lii Audio's website. I added a little more bracing and the cabinet is still very reverberant. If I was to make it again I would add more bracing. The MDF here in The Philippines seems to be less dense than when I was used to in the USA, that might have a little to do with it also. I would also add a lot of a No-Rez type product as well.

Even with that I'm really impressed with how good the speakers sound! Due to the design it drops like a stone at 60hz.

If the C10 box sounds as good or better in the midrange with the full bass extension I would say it's a killer set of speakers.


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Tooppy
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Re: Lii Crystal 10 Fkagship Speakers compared to...
Reply #5 - 01/11/20 at 18:34:43
 
Quote:
As a followup to the bass performance... you will hear me talk about this a lot with reference to this speaker and it's not because that's it's main sales feature - not by a long shot.  What it IS though, is a unique bass performance that you're not going to get out of a subwoofer or most large multi-driver hi-fi speakers of today. Let me expand on this a bit...

When you want good bass, there is no substitute for a large cabinet.  

Subwoofers you buy at the store are basically the opposite of that. They are in contrast a small box, a woofer that moves in and out so far you can see it from across the room, lots of power to drive it thus requiring solid state amplification to keep it affordable and a crossover component. This approach has been and always will be a bandaid on what we can think of as a wounded sound by speakers too small to have any real bass on their own.

A large cabinet means a large cabinet per driver.

Shoving 4 woofers in a large tower doesn't count. That's because each woofer divides the box volume by four making it exactly the same as a stack of small subwoofers in small boxes. A large cabinet is to the driver what a cathedral is to a pipe organ. What would a pipe organ sound like dismantled and re-assembled in your listening room? It's the same thing.

To require a large box to hit the resonance point of a driver means that the driver is not going to be moving much to create that huge deep bass, while in contrast the comparatively tiny subwoofer cube driver is going to have to flop all over the place just to keep up.  

The 100dB efficiency you get in the large enclosure means that you get deep, low, powerful and effortless bass without noticeable cone movement. It is the most realistic, cohesive bass you can hear from a loudspeaker for home use.  

In the USA, speakers like this are no longer popular because it's 1950 technology, too big, hard to market in the flashy world of multi-driver loudspeakers, and because every generation is convinced they're smarter than the last generation, few people have even heard such a thing. That said, I can tell you the only thing that has happened since the 1950's in hi-fi is that it is has shrunk and developed it's own fashion industry element that drives the price up.  I mean if you're going to spend upwards of $150,000 on a pair of speakers, it goes without saying they are going to be big, but at the same time, someone might laugh at you if it only has one driver, so you can be pretty sure it's going to have as many as will fit.

Steve


Absolutely right and well said ! Big drivers, big bass, big sound stage!
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André
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Re: Lii Crystal 10 Fkagship Speakers compared to...
Reply #6 - 04/13/20 at 10:27:00
 
Hi

This is my first post in this forum   Smiley

I'm thinking to buy a pair of the Crystal 10 flagship speakers with the big cabinets.

However I'm just wondering if there are any negative things to say about these speakers or if all is good?

Will it be enough with only 2 watts to get punchy and dynamic bass and sound with these? My living room is about 25 square meters so I guess they will be loud enough  :)

How about the sound signature. How will you characterize it?

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