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Multi-Way Conventional loudspeakers with crossovers

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Old 29th June 2005, 10:13 AM   #251
ssSai is offline ssSai  India
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Hey guys I dont see the DPL12 on the AdireAudio site anymore

Is it dead? If so, what have they replaced it with?

If its dead then I really feel like


I am dead sure that there would be a thread discussing the alternatives given the DPL12's absence.

Please help.
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Old 3rd August 2005, 05:14 AM   #252
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Hello all,
I am back from holidays and finally finished my folded TQWT for the new old stock JBL 40's (10 cm). The Rutter spreadsheet for calculating box and tube dimentions was the basis for my design. It is a good tool for gross measurements.

As was suggested here, the bass response on these little gems is fantastic, but the high-mids and highs are not as good as would have wanted. Maybe my early years playing in loud rock bands destroyed my high end hearing.

Anyway, I am very pleased with the early results without any stuffing. They are a little boxy on the low end, but from what I understand this can be controlled with sound absorbing material in the top end of the tube. Any suggestions here (I remember reading some earlier posts on materials to use in India). Some purists say "no stuffing" but I am not sure this is advisible, as I understand that this process can also help out the mid and highs eminating through the front of the driver. Any advise would be appreciated.

Here is a picture of the product: LxWxH = 8"x7"x21"

Cheers, Stuart
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Old 3rd August 2005, 06:28 AM   #253
Vivek is offline Vivek  India
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Good show Stuart. What kind of finishing have you done for the boxes. They look elegant.
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Old 3rd August 2005, 02:57 PM   #254
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Hi,
Thanks for the compliment. I have to agree. They look very good in my living area. My wife likes them too!!

The finish is some Thai manufactured spray paint (seems to be an oddity in New Delhi) that I finally found in a small but well stocked paint shop. It took two cans of Flat Black. That there is no shine at all, from a distance you can't even make out the corners and seams. A strange optical illusion.

CHeers.
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Old 3rd August 2005, 03:02 PM   #255
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nice one...
what is lacking in the indian scenario is that we dont get to see hear what fellow diyers here have done..!!

Hey btw..!! y dont you try using some cheapo tweters with it...

ajju.
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Old 3rd August 2005, 05:38 PM   #256
Vivek is offline Vivek  India
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Ajju, where are you? Not seen, not heard for a long time.
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Old 4th August 2005, 03:07 AM   #257
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Hi Ajju,

I just might do a tweeter addition but I would be giving up my personal goal to make a speakers without a crossovers. Are there stand-alone tweeters available in India that can be hooked via "B" channel on my amplifier? Any other ideas?

I think I will get better high end response from my recently purchased FE103E's.

Stuart
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Old 4th August 2005, 04:41 AM   #258
navin is offline navin  India
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my last speaker left channel.
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Old 4th August 2005, 05:23 AM   #259
Vivek is offline Vivek  India
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Navin, which drivers are those?
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Old 4th August 2005, 05:31 AM   #260
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Dont ask mate...!!
Now im here...yet to dust the projects...!!
are you done with ur MtM's ...? photos...response..???

Btw...guys
I've got an LCR meter...good advertised precision..
so anyone needing to do good crossovers, match components etc are always welcome to use it...

Naveen, more of those pics...

ajju
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