Ascilab C8C V1.1 Measurement Update

[Purité Audio]

Just the Orbit’s bass distorting, I am just not used to hearing distortion at the fairly low levels I was playing.
Keith

 

[CB89]

Better in which respect they appear to me to be doing pretty well.
Keith

Directivity and distortion.
It would be interesting to see how good the measurements would be for an "Ascilab Coax", but a classic 2- or 3-way loudspeaker would also be okay, of course to the usual high standard.
(Same applies to "Neumann Coax", but the price will never be around 1k).

@daniboun
That's precisely why it would be interesting to see what Ascilab can offer in comparison. Currently, there are inexpensive and very good passive loudspeakers, as well as very good active (& passive) loudspeakers in the high-price segment. There's still a gap in between for a new product.

 

[Purité Audio]

Directivity and distortion…
Uh huh
Keith

 

[illusonic]

Just the Orbit’s bass distorting, I am just not used to hearing distortion at the fairly low levels I was playing.
Keith

As harmonic distortion is always multiples of the actual bass tone, distortion will not cause one-note-bass. The latter is for example associated with high Q (peaky) resonance passive radiators.

 

[Purité Audio]

It was distortion at fairly low levels, this isn’t the Palmer Orbit thread.

Keith

 

[Everett T]

Is there a technical advantage to running a three different amps to power woofers, mid, tweeter? Would certainly be more cost effective to use one single larger amp?

Some companies like Genelec like to use class AB on the tweeter, and class D for the rest. As for a single amp, sometimes they can't procure single multichannel amp that meets their requirements, whether wattage, price, or they inventory one or more of them for other products (sorta falls under price as well).

 

[Everett T]

Directivity and distortion.
It would be interesting to see how good the measurements would be for an "Ascilab Coax", but a classic 2- or 3-way loudspeaker would also be okay, of course to the usual high standard.
(Same applies to "Neumann Coax", but the price will never be around 1k).

Other than vertical directivity improving, the measurements can't get much better for the AsciLab product range (except for the very top end H-DI and coax will have ssues too in that area), especially for the price and when used within their limits.

 

[Hart]

I wonder if Ascilab is working on a tower. They hit home runs with the stand mount speakers, wondering what they are capable of doing in a tower design. It seems like almost every tower is weak on bass as the narrow front can only fit a 5"-6 1/2" driver for the most part. Aerial Acoustics among others tried larger woofers mounted on the side. Are there design issues with using a woofer mounted on the side of a speaker? The speaker seems to contain enough volume for a larger woofer but maybe there are diffraction/room reflection issues, etc? A true 30-35 hz narrow tower would be really nice, if it is possible. Kef looks like they figured it out on their flagship speakers.

 

[Darkatomz]

I wonder if Ascilab is working on a tower. They hit home runs with the stand mount speakers, wondering what they are capable of doing in a tower design. It seems like almost every tower is weak on bass as the narrow front can only fit a 5"-6 1/2" driver for the most part. Aerial Acoustics among others tried larger woofers mounted on the side. Are there design issues with using a woofer mounted on the side of a speaker? The speaker seems to contain enough volume for a larger woofer but maybe there are diffraction/room reflection issues, etc? A true 30-35 hz narrow tower would be really nice, if it is possible. Kef looks like they figured it out on their flagship speakers.

The announced C8T is the tower speaker. Still eagerly awaiting news and updates, but measurements have been posted.

 

[CB89]

Other than vertical directivity improving, the measurements can't get much better for the AsciLab product range (except for the very top end H-DI and coax will have ssues too in that area), especially for the price and when used within their limits.

There's a misunderstanding. I didn't mean Ascilab, but Palmer. Ascilab can do better in terms of "directivity and distortion" opposite Palmer.

 

[daniboun]

Yes, this design is what permits the active crossovers to come after the amp

Crossover is made via the FusionAMP FA253 specially designed for three-way active speakers.
The Ncore modules inside are capable of delivering 2 x 250W RMS, which can also be bridged to form a 1 x 500W amplifier. A third NCore amplifier, delivering 1 x 100W RMS is dedicated for a tweeter.
It works exactly like is a NC252mp + NC100HF but with an additionnal DSP )

See attached diagram :

 

[Coltr@ne]

do you mean the master level on wake in HFD? if so, I left it at the default +7db for AES but when I switched to coax I had to bring it down to +3db as it was too loud otherwise

Can I ask a technician what that volume refers to? Also @AsciLab, why is it set to +7 dB and how and when should it be adjusted? Thanks

 

[AsciLab]

Please check this.

 

[traind]

Ironically, the phantom centre is never an issue, out of curiosity I've done everything from having the speakers point slightly ahead of me (very strong toe-in) to the speakers pointing outwards slightly towards the side walls (toe-out relative to front facing), the phantom centre changes in its sonic but character it's always there and distinct.

This is my experience too, rock solid center image. It was the first thing my son commented on as well, to the extent he almost thought I had some kind of center channel lol. I do not have the update yet but so far I have settled on a slight toe out (when zero toe is thought of as pointed directly at the listener). All degrees of toe out I tried have maintained the solid center image but the more I toe out the less 'forward' the center image is. That difference was very noticeable.

 

[pat355]

To make the update process easier and faster, we are preparing firmware files so that users can update the system themselves. We kindly ask for your patience until we share further details.

Thanks for testing again @amirm.

hi @AsciLab any ETA on the update? thanks!

 

[kharan]

This is my experience too, rock solid center image. It was the first thing my son commented on as well, to the extent he almost thought I had some kind of center channel lol. I do not have the update yet but so far I have settled on a slight toe out (when zero toe is thought of as pointed directly at the listener). All degrees of toe out I tried have maintained the solid center image but the more I toe out the less 'forward' the center image is. That difference was very noticeable.

I have them more or less straight ahead, and that makes me about 20° off axis. Works very well that way for me.

 

[Scrutable]

Same for me - facing straight ahead perpendicular to the front wall. Fantastic imaging. I am about 30 degrees off axis.

 

[markstein]

To make the update process easier and faster, we are preparing firmware files so that users can update the system themselves. We kindly ask for your patience until we share further details.

Thanks for testing again @amirm.

Dear @AsciLab team, may I ask when the V1.1 update is available for us end users?

 

[AsciLab]

Dear @AsciLab team, may I ask when the V1.1 update is available for us end users?

Hello. Sorry for late update.
I’m not familiar with coding, So I’ve been struggling to design auto update file. The shape is done and works but there are some errors. Would you please wait? We’ll share the update file soon.

 

[CtheArgie]

Hello. Sorry for late update.
I’m not familiar with coding, So I’ve been struggling to design auto update file. The shape is done and works but there are some errors. Would you please wait? We’ll share the update file soon.

I'm waiting too. Please provide an update that is NOT Windows dependent. Thanks.