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-   -   Box volume D10G Hi-Vi. (http://www.diyaudio.com/forums/multi-way/146624-box-volume-d10g-hi-vi.html)

racoon 28th June 2009 07:31 AM

Box volume D10G Hi-Vi.
 
Hi There all.
Has anyone had success with the Hi-Vi D10G woofers?
Im looking at putting together a three way system with these drivers,and was looking at using a reflex box of 80 litres.
The other drivers are the 15w75 dynaudio for the middle range/or the D5G midbass unit in around 7litres sealed.
The tweeter is an mdt32 morel.
The crossover is a little tricky due to the sensitivity of the D5G...and the dyn for that matter also.
Has anyone got any thoughts on the box volume and port please.
Thankyou in advance.
Rod.

Dr_EM 28th June 2009 08:25 PM

I have these drivers. Since they have a low EBP, they are well suited to a closed box design. I was planning to use a sealed box with linkwitz transform, which may not even be required depending on room gain (-3db at 41Hz is the response in 80L).

Here is my thread on the subject:

http://www.diyaudio.com/forums/showt...270&highlight=

I have since changed to a smaller design and so never actually implemented the woofers (they are for sale in fact on here). I tried them in a dipole though and they perform rather well :)

racoon 29th June 2009 03:30 PM

Thankyou for the reply Doc:cool: .
On looking at what you did with the drivers,and the responce to my question,i thought i better have a good look at the D10G a whole lot closer.
I have found that there are two sets of numbers for this woofer on the net...one set the manufacturer claim and another from the States.
Anyway the EBP i caculated for the Swan/cum responce/Jaycar woofer sold in Australia =52. The American/cum parts express and others has an EBP of 46.3.
What the....is going on!!
The Australian import claims (Vb)(L) 65....with an (Fb)(Hz) 30Hz!!
and an (F3) -3db 32(Hz).
The American model claims a seald box (Vb) 75L....with an (F3) 40Hz!.
And the Chineze boast they now have consistancy in manufacturing!!!.
Rod.


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