HPD315 Cabinet Design - diyAudio
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Old 19th March 2007, 12:42 PM   #1
inrank is offline inrank  United Kingdom
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Talking HPD315 Cabinet Design

what do you think about this design for my Tannoy 12" HPD315 Dual Concentrics, the volume is roundly the same as my Cheviots (60L) but in a 'monitor' style with integrated but removable stand which will hold the new crossovers when i get around to making them

Click the image to open in full size.

inspired by Avalon and simmilar speakers like...

Click the image to open in full size.

the main idea was to make an enclosure that is very different to the traditional style of Tannoys
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Old 19th March 2007, 03:12 PM   #2
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could you show me some detail infomation of this speaker? I see it's very beatiful. Is it a reflect or acoustic speaker? A
sensitivity of this? Thank you so much
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Old 19th March 2007, 03:14 PM   #3
inrank is offline inrank  United Kingdom
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well the tannoy HPD 315 driver is roughly 92dB on the woofer, not sure about the HF, in the cheviot cabinet it is an overall 89dB sensitivty, "Is it a reflect or acoustic speaker?" not sure what you mean by this, it will be front ported like the cheviot and the tannoy reference diy design.
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Old 19th March 2007, 03:47 PM   #4
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Quote:
Originally posted by inrank
..... "Is it a reflect or acoustic speaker?" not sure what you mean by this, it will be front ported like the cheviot and the tannoy reference diy design.
I think he means reflex or acoustic suspension.

I saw your post on the tannoy mailing list but couldn't access the links. I still can't see the first picture here. Maybe it will work later.

I must say that it's very refreshing to see someone move away from the usual box. Tannoy's often look very dated because of this. I personally own some humble 611 and love the unconventional shape of them.

I wonder if there will be any baffle step issues?

Best regards,
Martin.
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Old 19th March 2007, 03:51 PM   #5
inrank is offline inrank  United Kingdom
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hmmm, not sure why it isnt working.....
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File Type: jpg hpdesign1.jpg (21.8 KB, 184 views)
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Old 19th March 2007, 04:01 PM   #6
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Aahhh!

I'll definitely be watching this thread! I'd love to own some DMT's but they stil look rather 'boxy'.

Have you considered tapering the back panel to reduce standing waves and spread resonances? You might as well go the whole nine yards.

Regards,
Martin.
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Old 19th March 2007, 04:05 PM   #7
inrank is offline inrank  United Kingdom
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well i did think this (if i do go for this design, wont be starting for a while, got lots of uni work at the moment)

but this design might just be on the edge of my talent and skill for wood work, but yes, i did think about it.
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