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For someone with more moderate listening habits than Amir
Yes, you are right.
96 decibels is unpleasant to my ears, to put it mildly.
92 continues SPL is max for me with movies.
For critical listening music around 80-85, but mostly 75..
I don't understand why Amir keep pushing this little speakers at 100+ DB when they are clearly not design for such use?
With noise-canceling headphones, I mean, what is the point?
Anyway nice response in room my is much warse.
 
I guess so then, i'm so happy with the output though it doesn't seem to bother me much after the adjustments. Pre-eq measurements dont look too far off but sound a lot worse to my weirdly. Ig so y axis is too zoomed out. Whatever the case, my mixes translate INSTANTLY to everything, so there's that. These are neutral enough to be studio monitors, PASSIVELY. That's insane!

And it's both funnily enough, i have a room mode at 40-48 hz, i turned it down but i turned up the 50-100 hz range. The better woofers of the C6B mean that i can do this and at my listening volumes, feel no issues at all. I tried sitting 2.5m away and turning it up and i still got scared before my speakers did. For someone with more moderate listening habits than Amir, these are mid to farfield kings I think, especially with subwoofers taking the load off the woofer.
I see you're listening in the near field, so I'm curious where you hear the voices coming from.
From middle or twitter?Or in the middle
I ask because the acoustic center of my towers is right in the middle of the midrange speaker.
I believe that is because they are crossed at 3 000Hz.
These are crossed much lower so I'm very interested.
 
I see you're listening in the near field, so I'm curious where you hear the voices coming from.
From middle or twitter?Or in the middle
I ask because the acoustic center of my towers is right in the middle of the midrange speaker.
I believe that is because they are crossed at 3 000Hz.
These are crossed much lower so I'm very interested.
i talked about it here, see if this answers your question
 
I don't understand why Amir keep pushing this little speakers at 100+ DB when they are clearly not design for such use?
You mean in measurements? If so, my standard is 86 to 96 for most speakers. If a speaker is too small, then I go below 86. And if it is more capable, I go to 102 dBSPL.

If you mean why I do that subjectively, I push speakers so that I know their breaking point. If it is lower than its competitors, then that is a good data point. Ditto if it is higher. Hardly anyone knows what peak SPL level they listen at anyway so your statement at some level doesn't make sense.
 
You mean in measurements? If so, my standard is 86 to 96 for most speakers. If a speaker is too small, then I go below 86. And if it is more capable, I go to 102 dBSPL.

If you mean why I do that subjectively, I push speakers so that I know their breaking point. If it is lower than its competitors, then that is a good data point. Ditto if it is higher. Hardly anyone knows what peak SPL level they listen at anyway so your statement at some level doesn't make sense.
I see thanks for clearing that up.
So I ask AI at what level people prefer to listen music and this is interesting "People's preferred music listening levels vary significantly, and many individuals may not even know the specific sound pressure levels (SPL) at which they listen.
Measurement Standards: In the context of audio reviews, standard measurement levels for speakers typically range from 86 to 96 decibels (dB), sometimes going up to 102 dB for more capable speakers or below 86 dB for very small ones.
Subjective Listening: Reviewers often push speakers to their breaking points during subjective listening tests to understand their performance limits relative to competitors.
General Public: The image text suggests that the general public is often unaware of the specific peak SPL levels they experience. Actual preferred levels depend on personal preference, the type of music, the environment, and concerns about hearing health. Safe listening levels are generally considered to be below 85 dB for extended periods.
Disclaimer: Prolonged exposure to loud noises (above 85 dB) can cause hearing damage.
This is why I can't hear anything above 12 000khz on one ear...
 
The low crossover is friggin UNREAL! This allows my bigger Ascilab C6B to sound NICER than my older Adam T5V at a similar distance. With my T5V I always felt like I heard lower frequencies lower and the higher frequencies higher, like if i closed my eyes it felt like 500-1500hz or something felt like it was at like, let's use a building's example, level 1 and upper frequencies were at level 2. But with my Ascilab C6B I didn't feel that issue much at 0.7m and it was actually GOOD at 0.8m!

If I were to use Neumann's ratings, the minimum distance would be 0.8m and the recommended distance should be 1m and beyond. Absurd piece of kit.

And the soundstage depth due to the constant radiation? My God. Everything is so consistently placed. I think I understand why people call Genelec and KEF "boring" or "clinical". It is SO perfect that it's boring.... Anyways back to the soundstage, it's kind of narrow on-axis but the good thing is you can just toe it out and get a WIDER soundstage with the same depth! Best of both worlds!?!?! Oh and despite not being a coaxial I can move my head back and forth, up and down and still get a nice sound.

Although I'd say I should give people a warning that the highs of this speaker are quite weird and disperse quite widely compared to others, as a result you might find that the sound is bright or something, i had to put in a little high shelf and everything is stupendously good now.

I first thought these speakers were slightly overpriced as they were priced the same as the KEF Q Concerto Meta where I live but face to face these look beautiful and they're built quite well imo. A decent chunk of your money goes to the design part. Although I must say that the ring around my left woofer came off when I was taking the stickers off, i just plopped it back and it's been perfect ever since, concerned me a lot initially but it's all good now.

Maybe I'm biased due to measurements which i had seen prior but they help me understand the differences I'm feeling between this, my T5V and my D3V.

View attachment 500988
If the C6B is this good at these close distances, i can't imagine how nice the F6Bs must be! Especially at 0.6-0.7m distances or something, i think that might be possible with the smaller speaker but it might be asking too much from it. I think Ascilab could take a dip into the desktop speaker space with a C5D, F5D or something like that, competing with the Adam D3V and Kanto Ora/Ora4 with 1 advantage that no one has, the constant directivity. Bigger speakers have it till 10k but that's it. Ascilab could dominate the market in different price points and managing costs and the small form factor could prove to be a fun challenge for them I think.

Whatever the case, bravo Ascilab, I'm someone who loves and respects KEF and was feeling like I might be making a mistake going for the C6B, but it was anything but. Still a bit pricey for me as I don't mind flimsier build and worse design for a lower price but I can totally understand the decision to not have something like that.

In short, these sound good, VERY good. So good that you'll find it boring as you won't have much to complain about or to "fix".
You mentionned KEF, did you experience any other speaker around the same price tag or was it your first "premium" hifi speaker ?
I hadnt heard much of the brand but they seem quite convincing, I would also use them mainly for nearfield, but curious of their output in a medium room for movies/musics too.
 
You mentionned KEF, did you experience any other speaker around the same price tag or was it your first "premium" hifi speaker ?
I hadnt heard much of the brand but they seem quite convincing, I would also use them mainly for nearfield, but curious of their output in a medium room for movies/musics too.
yeah my first and hopefully last purchase for a stereo. Near to midfield, the C6B is flawless if you don't expect sub frequencies
 
yes just a single sweep with both speakers, im not too knowledgeable on much else so i think this gives a decent idea. A few repeated measurements and an average would be nicer ig but this is good enough for me.
Thanks. Can't argue with the results.

I generally like the "moving mic method" - generally easier and more repeatable/consistent than averaging multiple measurements.

 
yeah my first and hopefully last purchase for a stereo. Near to midfield, the C6B is flawless if you don't expect sub frequencies
I already planned to get an SVS SB 1000 haha, so I think I'll be fine.
Do you think you can get the speaker delivered in early february if you (pre)order now ?
There is a retailer where I live (western europe) so I dont have to go through the ascilab website.

I'm graduating soon and would love to find out what a good stereo hifi is like !
 
Thanks. Can't argue with the results.

I generally like the "moving mic method" - generally easier and more repeatable/consistent than averaging multiple measurements.

yeah that was what i was thinking about but meh it's good enough, just wanted to help others by giving an in room response of a normal bedroom.
 
I already planned to get an SVS SB 1000 haha, so I think I'll be fine.
Do you think you can get the speaker delivered in early february if you (pre)order now ?
There is a retailer where I live (western europe) so I dont have to go through the ascilab website.

I'm graduating soon and would love to find out what a good stereo hifi is like !
well im not ascilab so i cant answer for them, you're better off asking them here or by email.

Properly calibrated SB1000 + this speaker should sound like a dream. Play with placement cus it matters a LOT. Hope you have fun my guy!
 
well im not ascilab so i cant answer for them, you're better off asking them here or by email.

Properly calibrated SB1000 + this speaker should sound like a dream. Play with placement cus it matters a LOT. Hope you have fun my guy!
Looking forward !
I'll try to remember to pass by on the forum to give my opinion if I'm not too busy enjoying my set up haha.
 
Are there experiences how different models sound compared to each other? I haven't found information on this.
According to @amirm s review the FR of the F6B is tilting down, giving it a "warmer signature". Erin found that the C6B has not as much "meat in the midrange" as the Audio First. And the C5B has a broad dip in the midrange region so I expect it to sound sort of recessesed there too.
Any opinions on this?
 
A C5B doesn't exist, where did you take that graphic from? Was it a planned model that was not released?
 
Ah ok, guess was a very early release no longer available.
 
These speakers are going to sound very close to identical. The F6B has a slight bass boost around 100Hz that is likely the most audible difference if no EQ is applied.

ascilab_compare.jpg
 
The F6B has a slight bass boost around 100Hz that is likely the most audible difference if no EQ is applied.
That might further explain the "warmer signature" Amir detected.

I had not visited spinorama.org before because I had no idea of it's functionality. But what a great tool that is! Pierre is really a wizard! Or at least a great programmer :)
 
Allow me one more question on Ascilab speakers in general. I would have to place them in front of windows. I'm not sure if it is a good idea to have the uncovered passive radiators on the back being exposed to direct sunlight all day, every day?
 
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