Acoustique Service Full Range

eclerj · 7th March 2010, 01:12 PM

Hello,

I want to show you the great french speaker full range Acoustique Service.

* S.A.R.L. ACOUSTIQUE SERVICES *

I just have listened this speaker in MHP:
MHP (la Maison du Haut-Parleur) : concepteur français de kits d'enceintes pour la HI-FI et le Home Cinéma...

The listening was great in all the music style, and so great with the acoustic guitar (dynamic and clear sound)...

They will be probably my future project...

Regards.

Rick J. B. · 7th March 2010, 02:33 PM

Interesting, I noticed on the kits page a diagram of an enclosure for either a full range driver or a coax speaker that is both a front and back horn. It would certainly be interesting to see the complete plans for that cabinet.

http://translate.googleusercontent.c...DWRmEZl_x5MI6w

So, eclerj, which driver & cabinet are you planning to use?

Rick

planet10 · 7th March 2010, 03:07 PM

The efficency on the 13 cm driver looks optimistic (greater than the 17 & 21 cm)

Otherwise they look interesting.

dave

eclerj · 7th March 2010, 07:06 PM

hello,

> Rick: I think use the AM 21 LB 25 ALBC,

I have just contacted de manufacturer this evening fore more spécifications and originals plane.

Before started this project i must finish the actual lol....

There is only the paint for the actual project.

Regards

eclerj · 7th March 2010, 07:16 PM

MHP (la Maison du Haut-Parleur) : concepteur français de kits d'enceintes pour la HI-FI et le Home Cinéma...

eclerj · 7th March 2010, 07:20 PM

Haut parleur large bande 21 cm Acoustique Service

InclinedPlane · 7th March 2010, 07:39 PM

The drivers remind me of Davis Acoustics for some reason.

eclerj · 7th March 2010, 07:50 PM

Witch reason?

kevinkr · 07:55 PM

A very interesting driver, quite expensive though - in that price range there are probably a few Fostex to consider as well.

I'm wondering about the copper plated aluminum voice coil, that's somewhat unusual I think. The other comments about the VC are a bit over the top..

Also not sure why they are so proud of their basic paper formulation.. The basket design looks nice, and should be good from the standpoint of diffraction off of the supports. The spider looks nice and large. I would guess the pleated surround is fine with an xmax of 2.25mm and probably helps control things going on towards the edge of the cone?

The mid range suck out between 4 - 8kHz concerns me a lot - seems rather excessive both on axis and 30 degrees off, that's going to be audible IMHO..

Depending on box design some sort of BSC, zobel and some correction for that mid range suck out are probably advisable.

What sort of box are you considering? The recommended design probably will not extract the best performance of which this driver is capable.

I'm just finishing up my Half Chili Changs based on the Fostex FE167 and have had to deal with some similar issues, hence my comments.

(I'm still inexperienced so if more experienced members contradict me I would take my comments with a grain of salt.)

eclerj · 7th March 2010, 07:54 PM

I think use the original plane of manufacturer. (Bass-reflex)

7th March 2010, 01:12 PM	#1
eclerj diyAudio Member Join Date: Jan 2010	Acoustique Service Full Range Hello, I want to show you the great french speaker full range Acoustique Service. * S.A.R.L. ACOUSTIQUE SERVICES * I just have listened this speaker in MHP: MHP (la Maison du Haut-Parleur) : concepteur français de kits d'enceintes pour la HI-FI et le Home Cinéma... The listening was great in all the music style, and so great with the acoustic guitar (dynamic and clear sound)... They will be probably my future project... Regards.

7th March 2010, 03:07 PM	#3
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	The efficency on the 13 cm driver looks optimistic (greater than the 17 & 21 cm) Otherwise they look interesting. dave __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

7th March 2010, 07:39 PM	#7
InclinedPlane diyAudio Member Join Date: Jan 2007 Location: Maine	The drivers remind me of Davis Acoustics for some reason. __________________ I must confess my favorite music is that made by the Rolls Royce Merlin.

7th March 2010, 07:50 PM	#9
kevinkr diyAudio Moderator Join Date: Sep 2004 Location: Boston, Massachusetts Blog Entries: 6	A very interesting driver, quite expensive though - in that price range there are probably a few Fostex to consider as well. I'm wondering about the copper plated aluminum voice coil, that's somewhat unusual I think. The other comments about the VC are a bit over the top.. Also not sure why they are so proud of their basic paper formulation.. The basket design looks nice, and should be good from the standpoint of diffraction off of the supports. The spider looks nice and large. I would guess the pleated surround is fine with an xmax of 2.25mm and probably helps control things going on towards the edge of the cone? The mid range suck out between 4 - 8kHz concerns me a lot - seems rather excessive both on axis and 30 degrees off, that's going to be audible IMHO.. Depending on box design some sort of BSC, zobel and some correction for that mid range suck out are probably advisable. What sort of box are you considering? The recommended design probably will not extract the best performance of which this driver is capable. I'm just finishing up my Half Chili Changs based on the Fostex FE167 and have had to deal with some similar issues, hence my comments. (I'm still inexperienced so if more experienced members contradict me I would take my comments with a grain of salt.) __________________ www.kta-hifi.net Last edited by kevinkr; 7th March 2010 at 07:55 PM.

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7th March 2010, 02:33 PM	#2
Rick J. B. diyAudio Member Join Date: Dec 2006	Interesting, I noticed on the kits page a diagram of an enclosure for either a full range driver or a coax speaker that is both a front and back horn. It would certainly be interesting to see the complete plans for that cabinet. http://translate.googleusercontent.c...DWRmEZl_x5MI6w So, eclerj, which driver & cabinet are you planning to use? Rick

7th March 2010, 07:06 PM	#4
eclerj diyAudio Member Join Date: Jan 2010	hello, > Rick: I think use the AM 21 LB 25 ALBC, I have just contacted de manufacturer this evening fore more spécifications and originals plane. Before started this project i must finish the actual lol.... There is only the paint for the actual project. Regards

7th March 2010, 07:16 PM	#5
eclerj diyAudio Member Join Date: Jan 2010	MHP (la Maison du Haut-Parleur) : concepteur français de kits d'enceintes pour la HI-FI et le Home Cinéma...

7th March 2010, 07:20 PM	#6
eclerj diyAudio Member Join Date: Jan 2010	Haut parleur large bande 21 cm Acoustique Service

7th March 2010, 07:54 PM	#10
eclerj diyAudio Member Join Date: Jan 2010	I think use the original plane of manufacturer. (Bass-reflex)

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