help to identify the woofer

anli · 29th May 2005, 01:50 PM

I have Yamaha AX10 professional loudspeakers. I'd want to identify woofers in use. They are 10", 4 screws. The magnet (which is not small) has a writing: "B10-120 100W 8<omega>". Probably, the main sign to identify is the cone. The cone (is done from paper, has dark gray color) is corrugated. An anti-dust cap has about 57mm diameter.

P.S. Probably, I mast add the cone is corrugated concentrically.

Thanks in advance!
Andrew

anli · 29th May 2005, 04:19 PM

I have placed pictures here (sorry, quality isn't the best, pictures were done with a mobile phone):

http://gaydenko.com/woofer/

bombardon73 · 29th May 2005, 05:54 PM

Why do you need to identify them? Do you want to know it's parameters?

anli · 29th May 2005, 06:00 PM

Yes (Thiele-Small parameters). On the other hand, I'd want to know what I have bought (it is Yamaha AX10 pro loudspeakers) :-)

Have you some ideas?

bombardon73 · 29th May 2005, 06:06 PM

I really don't have a clue what these woofers TS-parameters could be.
If you would have lived nearby I could have measured them.
You could try and mail yamaha about it, but I doubt that they will give you a response.

anli · 29th May 2005, 06:17 PM

I have emailed to Yamaha and have got the answer like "which parameters" and "why" :-) Nevertheless, I still have hope to get an answer.

I think, Yamaha AX series is rather spreaded in Europe, and more experienced users know what they have.

anli · 30th May 2005, 07:28 PM

After long googling in the internet I have concluded the driver is made by Celestion (my Yamaha dealer has the same opinion). OTOH I have not found the driver at the Celestion website. I have mailed them a request. Will see :-)

Are there situation when speaker makers produces some models for some concrete firms - not for common/public sale?

bombardon73 · 30th May 2005, 09:23 PM

Quote:

Anli wrote: Are there situation when speaker makers produces some models for some concrete firms - not for common/public sale?

Yup, there are lots of speakers that can't be bought by the DIY community.

anli · 30th May 2005, 09:44 PM

Are there some rules (or, saying softer, etiquette) at such situations? Must/May loudspeakers makers supply some info about drivers?

I don't intend to insist on my rights (if I have them), just want to know common situation between loudspeakers makers and customers. I dont want to be impolite with my email-requests.

bombardon73 · 30th May 2005, 11:13 PM

Well, I think you have the right to ask for the technical details of the speakers that are used. See it this way, if the speaker was broken you may want to replace it. But then you really need to know the TS-Parameters to get as close to the original speaker as possible.
The manufacturer doesn't have to give you the details if he doesn't want to, but he may.

29th May 2005, 01:50 PM	#1
anli diyAudio Member Join Date: Oct 2004	help to identify the woofer I have Yamaha AX10 professional loudspeakers. I'd want to identify woofers in use. They are 10", 4 screws. The magnet (which is not small) has a writing: "B10-120 100W 8<omega>". Probably, the main sign to identify is the cone. The cone (is done from paper, has dark gray color) is corrugated. An anti-dust cap has about 57mm diameter. P.S. Probably, I mast add the cone is corrugated concentrically. Thanks in advance! Andrew

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29th May 2005, 04:19 PM	#2
anli diyAudio Member Join Date: Oct 2004	I have placed pictures here (sorry, quality isn't the best, pictures were done with a mobile phone): http://gaydenko.com/woofer/

29th May 2005, 05:54 PM	#3
bombardon73 diyAudio Member Join Date: Oct 2004	Why do you need to identify them? Do you want to know it's parameters?

29th May 2005, 06:00 PM	#4
anli diyAudio Member Join Date: Oct 2004	Yes (Thiele-Small parameters). On the other hand, I'd want to know what I have bought (it is Yamaha AX10 pro loudspeakers) :-) Have you some ideas?

29th May 2005, 06:06 PM	#5
bombardon73 diyAudio Member Join Date: Oct 2004	I really don't have a clue what these woofers TS-parameters could be. If you would have lived nearby I could have measured them. You could try and mail yamaha about it, but I doubt that they will give you a response.

29th May 2005, 06:17 PM	#6
anli diyAudio Member Join Date: Oct 2004	I have emailed to Yamaha and have got the answer like "which parameters" and "why" :-) Nevertheless, I still have hope to get an answer. I think, Yamaha AX series is rather spreaded in Europe, and more experienced users know what they have.

30th May 2005, 07:28 PM	#7
anli diyAudio Member Join Date: Oct 2004	After long googling in the internet I have concluded the driver is made by Celestion (my Yamaha dealer has the same opinion). OTOH I have not found the driver at the Celestion website. I have mailed them a request. Will see :-) Are there situation when speaker makers produces some models for some concrete firms - not for common/public sale?

30th May 2005, 09:44 PM	#9
anli diyAudio Member Join Date: Oct 2004	Are there some rules (or, saying softer, etiquette) at such situations? Must/May loudspeakers makers supply some info about drivers? I don't intend to insist on my rights (if I have them), just want to know common situation between loudspeakers makers and customers. I dont want to be impolite with my email-requests.

30th May 2005, 11:13 PM	#10
bombardon73 diyAudio Member Join Date: Oct 2004	Well, I think you have the right to ask for the technical details of the speakers that are used. See it this way, if the speaker was broken you may want to replace it. But then you really need to know the TS-Parameters to get as close to the original speaker as possible. The manufacturer doesn't have to give you the details if he doesn't want to, but he may.