Ascilab Owners – Ask Questions, Share Feedback

[Mort]

Do we know the beamwidth / directivity of the C8C / BX8C (hate that name, it's deserves better).

I have it in my head that they are controlled and on the narrow side.

 

[kharan]

Do we know the beamwidth / directivity of the C8C / BX8C (hate that name, it's deserves better).

I have it in my head that they are controlled and on the narrow side.

Yes, there are links in the OP of the big ascilab thread.

 

[Mort]

Yes, there are links in the OP of the big ascilab thread.

Looks like 60 deg at 1k. Link. Medium narrow

 

[MarkS]

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.

I believe that the woofer ring is designed to be user removable so that it can be replaced by the optional woofer grille.

 

[ScottySmallsMom]

there are nifty little magnets holding the rings in place, swappable with the grilles

 

[Langestijn]

Hi all, I received my C6B speakers and I'm verrrrry impressed by the sound quality. I've got Kali in-8's which I already thought were very good, but the Ascilab speakers are next level in soundstage and in the treble region imo. The IN-8's do seem to move a bit more bass, but I didn't try the speakers out side-to-side so I can't be sure.

A small but annoying thing though, and I'm curious if anyone else also had this problem or knows how to fix it: I ordered the woofer grills (with 4 small magnets on the backside). And I tried to fit them on the speakers, but they won't stick... at all... Well, to be fair it does seem to grab on one magnet verrrrry slightly but the grills hang askew this way. See image below. And when I put a song on that's a bit more bass-heavy the grills fall off again.
Maybe there is something extra i need to do instead of just trying to stick them on right from the packaging? I don't know.
Please let me know if someone else also use the (additional) woofer grills of the C6B speakers, these ones to be exact: https://www.audiophonics.fr/en/passive-speakers-and-subwoofer/ascilab-black-grille-c6b-p-20949.html

 

[Purité Audio]

Have you removed the trim rings?
Keith

 

[Langestijn]

Ahhah, just did that. And the grills fit to the trim rings with the magnets. But when i try to put the whole thing back, it just falls back out. Thanks so far though!

Or is that just the way it should be?

 

[Purité Audio]

It’s either not both.
Keith

 

[Langestijn]

Aaaah, thanks again. I just imagined the magnets of the grills would grab more securely

 

[AsciLab]

Ahhah, just did that. And the grills fit to the trim rings with the magnets. But when i try to put the whole thing back, it just falls back out. Thanks so far though!

To attach the grille, please remove the trim ring first and then mount the grille onto the C6B.
When attaching it, rotate the grille so that the magnets align with the nuts used to secure the woofer; it should then attach without any issues.
If you experience any inconvenience or have any questions while using the product, please feel free to contact us at any time via ASR messages or at [email protected].
Thank you for using our product and for taking the time to share your feedback.

 

[jEDGEc0m]

To attach the grille, please remove the trim ring first and then mount the grille onto the C6B.
When attaching it, rotate the grille so that the magnets align with the nuts used to secure the woofer; it should then attach without any issues.
If you experience any inconvenience or have any questions while using the product, please feel free to contact us at any time via ASR messages or at [email protected].
Thank you for using our product and for taking the time to share your feedback.

I notice from @Langestijn photos of C6B that there appears to be soft material (maybe felt?) in the cabinet recess between the magnetic trim ring or grille.

I have F6B and notice that there isn't that ring of soft material behind the edge of the grille.

I have also noticed that with sine tones, when testing for resonances of room/speaker, the grille can sometimes resonate audibly at just the right frequency - seeing that material on the C6B makes me wonder if it has been installed on the C6B for the purpose of reducing any audible vibration of trim ring/grille..?

Can you comment?

If the material is for the purpose of reducing audible grille resonance, I might like to add similar material to the inside of my F6B grilles.

If so, can you suggest a material, and/or what thickness of material might be optimal?

 

[AsciLab]

I notice from @Langestijn photos of C6B that there appears to be soft material (maybe felt?) in the cabinet recess between the magnetic trim ring or grille.

I have F6B and notice that there isn't that ring of soft material behind the edge of the grille.

I have also noticed that with sine tones, when testing for resonances of room/speaker, the grille can sometimes resonate audibly at just the right frequency - seeing that material on the C6B makes me wonder if it has been installed on the C6B for the purpose of reducing any audible vibration of trim ring/grille..?

Can you comment?

If the material is for the purpose of reducing audible grille resonance, I might like to add similar material to the inside of my F6B grilles.

If so, can you suggest a material, and/or what thickness of material might be optimal?

For the C6B, a lightweight trim ring made of thin plastic is used. To eliminate noise caused by vibration, a cloth tape is wrapped around the woofer-side frame.
In the case of the F6B, since there is no trim ring, this process is omitted. However, if grille vibration occurs at high volume levels, you can add cloth tape to the contact area between the trim ring and the woofer frame.

We are leaving a link below to a representative cloth tape product.

VERSAF Wire Harness Automotive Cloth Tape - Adhesive High Noise Resistance Heat Proof Chemical Fiber Fabric Electrical Tape for Wrapping Wiring Harness/Insulation/Car Engine (0.75″82′Pack of 1 Piece): Amazon.com: Industrial & Scientific

VERSAF Wire Harness Automotive Cloth Tape - Adhesive High Noise Resistance Heat Proof Chemical Fiber Fabric Electrical Tape for Wrapping Wiring Harness/Insulation/Car Engine (0.75″82′Pack of 1 Piece): Amazon.com: Industrial & Scientific

www.amazon.com

 

[jEDGEc0m]

For the C6B, a lightweight trim ring made of thin plastic is used. To eliminate noise caused by vibration, a cloth tape is wrapped around the woofer-side frame.
In the case of the F6B, since there is no trim ring, this process is omitted. However, if grille vibration occurs at high volume levels, you can add cloth tape to the contact area between the trim ring and the woofer frame.

We are leaving a link below to a representative cloth tape product.

VERSAF Wire Harness Automotive Cloth Tape - Adhesive High Noise Resistance Heat Proof Chemical Fiber Fabric Electrical Tape for Wrapping Wiring Harness/Insulation/Car Engine (0.75″82′Pack of 1 Piece): Amazon.com: Industrial & Scientific

VERSAF Wire Harness Automotive Cloth Tape - Adhesive High Noise Resistance Heat Proof Chemical Fiber Fabric Electrical Tape for Wrapping Wiring Harness/Insulation/Car Engine (0.75″82′Pack of 1 Piece): Amazon.com: Industrial & Scientific

www.amazon.com

Thank you very much for the prompt reply and specific suggested material.

As some extra info from my end - the vibration I have heard with the grille is almost entirely theoretical - occurs only at a very narrow frequency range and only one time have I heard it while listening to actual audio material - it's basically a non-issue, but this minor modification seems harmless. thanks again.

 

[Coltr@ne]

@AsciLab
Can you specify what operating modes the C8Cs have with the sub, and how to change them? Do you need to connect them to the PC?

 

[Jiraya369]

Just got my UMIK-1 and measured the response of my C6B. I intentionally put in a peak filter at 480 hz with a wide q as i felt the midrange was a bit boomy. I have loads of things on my desk all the time so maybe that was it as well. I particularly like the little dip in the mids, 500-1khz, fatigue free listening. And I put in a high shelf to turn down the highs above 15khz and some peaks in the bass to boost it. Based on these measurements my ears werent completely lying to me, i like a little laid back sound

When seeing measurements of floorstanders it's hard to believe that a comparatively little bookshelf is producing these sounds. Was thinking of getting a sub at first but im mostly listening to music and the speakers are doing fine for most musical frequencies and where the room is being a pain, is where i would've put the crossover, the null at 80-100 hz.

I did some loudness tests and found out i'm usually listening at 75-82 db at 1.2m and 88 db loudness is where i start to feel quite uncomfortable. Based on this i'd say for anyone in the nearfield, and especially with a subwoofer, the F6Bs absolutely is near endgame if not proper endgame.

Only problem with Ascilab is that they can't produce enough of these speakers

 

[Marin]

i felt the midrange was a bit boomy

This is a surefire reinforcement from the table.
Nice bass extension.
Is boost in 50Hz range room mode or EQ?

 

[jEDGEc0m]

View attachment 502077Just got my UMIK-1 and measured the response of my C6B. I intentionally put in a peak filter at 480 hz with a wide q as i felt the midrange was a bit boomy. I have loads of things on my desk all the time so maybe that was it as well. I particularly like the little dip in the mids, 500-1khz, fatigue free listening. And I put in a high shelf to turn down the highs above 15khz and some peaks in the bass to boost it. Based on these measurements my ears werent completely lying to me, i like a little laid back sound

When seeing measurements of floorstanders it's hard to believe that a comparatively little bookshelf is producing these sounds. Was thinking of getting a sub at first but im mostly listening to music and the speakers are doing fine for most musical frequencies and where the room is being a pain, is where i would've put the crossover, the null at 80-100 hz.

I did some loudness tests and found out i'm usually listening at 75-82 db at 1.2m and 88 db loudness is where i start to feel quite uncomfortable. Based on this i'd say for anyone in the nearfield, and especially with a subwoofer, the F6Bs absolutely is near endgame if not proper endgame.

Only problem with Ascilab is that they can't produce enough of these speakers

Out of interest, is that single point sweep measurement? Both speakers playing?

 

[Jiraya369]

Out of interest, is that single point sweep measurement? Both speakers playing?

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.

 

[Jiraya369]

This is a surefire reinforcement from the table.
Nice bass extension.
Is boost in 50Hz range room mode or EQ?

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.