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Cylindrical Vs Box Enclosure

Luxman Amplifiers India

bijinmb

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May 1, 2012
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Location
Cochin
Can anybody got experience in building cylindrical enclosure loudspeaker design?

Please provide your experience on building such designs parameters like

1. The challenges you have faced?
2. Acoustic property?
3. Tuning for low frequency?
4. Resonance?
5. Damping?
6. Minimizing Standing waves?
7. Driver alignment.
8. Sealed or vented design.
9. Tight volume constraint design.
10. Improving efficiency.
11. Disadvantages as well.
 

soundnovice

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Sep 8, 2010
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475
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43
Location
Bangalore
Can anybody got experience in building cylindrical enclosure loudspeaker design?

Please provide your experience on building such designs parameters like

1. The challenges you have faced?
2. Acoustic property?
3. Tuning for low frequency?
4. Resonance?
5. Damping?
6. Minimizing Standing waves?
7. Driver alignment.
8. Sealed or vented design.
9. Tight volume constraint design.
10. Improving efficiency.
11. Disadvantages as well.

try to contact HFV member goldyrathore. i remember he has done cylindrical enclosure for woofer using flexi-wood
 

gobble

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Sep 23, 2008
Messages
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Points
113
Location
Bangalore
I hope the OP will not consider it OT to extend the same question to triangular enclosures? Isosceles vs Equilateral?

Why was the OP only thinking in circles? ;):eek:hyeah:

--G
 

bijinmb

Well-Known Member
Joined
May 1, 2012
Messages
261
Points
93
Location
Cochin
@soundnovice
I have made the cylinder and all, but its a diff. story when i placed the drivers for testing purpose. So thought just to ask in HFV to improve further.
 

Flash

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Jul 13, 2011
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Location
Bombay / Pune
My Next Cylindrical Sub Design :eek:hyeah::eek:hyeah::eek:hyeah:
 

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bijinmb

Well-Known Member
Joined
May 1, 2012
Messages
261
Points
93
Location
Cochin
I am building with HDPE (High density polyethylene) pipe having 18mm thickness which i found best material for doing this. But i just want to know whether we need to do any special arrangement inside the enclosure like damping etc because i personally think standing wave will be bit more in cylindrical design...
 

soundnovice

Active Member
Joined
Sep 8, 2010
Messages
475
Points
43
Location
Bangalore
I am building with HDPE (High density polyethylene) pipe having 18mm thickness which i found best material for doing this. But i just want to know whether we need to do any special arrangement inside the enclosure like damping etc because i personally think standing wave will be bit more in cylindrical design...

i think damping will be necessary. have a look at Linkwitz's Pluto. also at below link which is clone of Pluto.
Gainphile: Linkwitz Pluto ... sewer pipe omni-directional loudspeakers
 

bijinmb

Well-Known Member
Joined
May 1, 2012
Messages
261
Points
93
Location
Cochin
Anybody have any links or any information regarding the adv. and dis. adv.or cylindrical enclosure? Mainly need the engineering details which we can collect altogether and post, so others might find it useful in the future as well.
 

GeorgeO

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Jul 14, 2009
Messages
4,318
Points
113
Location
Cooke Town Bangalore
Bijin if you do some research using "sonotube subwoofers" as astarting point you might find a lot of info w.r.t to subwoofers. I dont think there are too many commercial designs apart from Linkwitz' designs that use cylindrical enclosures.
 
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