DIY Super Cube full range speakers

audiophile36 · 24th August 2006, 02:22 AM

Since my room is so small I need small speakers,the OB's i made with the same 4" driver were nice but I wanted more bass so I built these babies! These cubes are strong down to 50hz with useable bass at 40hz according to my frequency test LP.To get bass reinforcement anywhere I place them I decided to place the port on the bottom of the cab.My stands have rubber isopads to allow the port to breath.The port is loaded with a 3" long pvc pipe.[IMG]

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Nanook · 24th August 2006, 02:25 AM

further details?

audiophile36 · 24th August 2006, 03:15 AM

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audiophile36 · 24th August 2006, 03:17 AM

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type · 24th August 2006, 03:29 AM

They look good. What drivers are you using? Is that your own cabinet design?

audiophile36 · 24th August 2006, 03:44 AM

Thanks for the complement.The drivers are unknown... I retrieved them from an old pair of speakers my father gave me.They have treated foam surrounds and a whizzer cone.On the back of the magnet it reads "9300/9900 4ohm".Yes, the enclosure is my own design.

audiophile36 · 24th August 2006, 04:00 AM

The cabinets are 8" square and have a 1-3/4" diameter port on the bottom center of the box which is loaded with a 3" long pvc pipe running up the center of the cabinet.I use a nice amount of fiberglass insulation on all sides and around the port tube just so the opening of the mouth is visible. I used Boiled Linseed oil for a classic hand rubbed oil finish.

Vikash · 24th August 2006, 10:51 AM

Looks very nice.

For future projects you may want to bear in mind a cube is a not ideal for standing waves, and neither is a square baffle with the driver centred for for baffle diffraction.

You also need a lot more breathing room for the port ideally.

Not trying to put a damper on things, they do look nice - but you could get even better results

audiophile36 · 24th August 2006, 06:42 PM

Thank's makes perfect sense.I will try another project the proper way and post my results.

tade · 24th August 2006, 07:05 PM

I like your experimentation!

24th August 2006, 02:22 AM	#1
audiophile36 diyAudio Member Join Date: Aug 2006 Location: South Euclid,Ohio	DIY Super Cube full range speakers Since my room is so small I need small speakers,the OB's i made with the same 4" driver were nice but I wanted more bass so I built these babies! These cubes are strong down to 50hz with useable bass at 40hz according to my frequency test LP.To get bass reinforcement anywhere I place them I decided to place the port on the bottom of the cab.My stands have rubber isopads to allow the port to breath.The port is loaded with a 3" long pvc pipe.[IMG][/IMG] __________________ If it sounds good it is good!

24th August 2006, 02:25 AM	#2
Nanook diyAudio Member Join Date: Feb 2004 Location: Chinook Country.Alberta	er ..ok.. further details? __________________ stew ☮ -"A sane man in an insane world appears insane."

24th August 2006, 03:15 AM	#3
audiophile36 diyAudio Member Join Date: Aug 2006 Location: South Euclid,Ohio	back of speaker [IMG][/IMG] __________________ If it sounds good it is good!

24th August 2006, 03:17 AM	#4
audiophile36 diyAudio Member Join Date: Aug 2006 Location: South Euclid,Ohio	system pic with Super Cubes [IMG][/IMG] __________________ If it sounds good it is good!

24th August 2006, 03:44 AM	#6
audiophile36 diyAudio Member Join Date: Aug 2006 Location: South Euclid,Ohio	Thanks for the complement.The drivers are unknown... I retrieved them from an old pair of speakers my father gave me.They have treated foam surrounds and a whizzer cone.On the back of the magnet it reads "9300/9900 4ohm".Yes, the enclosure is my own design. __________________ If it sounds good it is good!


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24th August 2006, 03:29 AM	#5
type diyAudio Member Join Date: Jul 2004 Location: Brooklyn, NY	They look good. What drivers are you using? Is that your own cabinet design?

24th August 2006, 04:00 AM	#7
audiophile36 diyAudio Member Join Date: Aug 2006 Location: South Euclid,Ohio	The cabinets are 8" square and have a 1-3/4" diameter port on the bottom center of the box which is loaded with a 3" long pvc pipe running up the center of the cabinet.I use a nice amount of fiberglass insulation on all sides and around the port tube just so the opening of the mouth is visible. I used Boiled Linseed oil for a classic hand rubbed oil finish. __________________ If it sounds good it is good!

24th August 2006, 10:51 AM	#8
Vikash diyAudio Moderator Emeritus Join Date: May 2003 Location: UK	Looks very nice. For future projects you may want to bear in mind a cube is a not ideal for standing waves, and neither is a square baffle with the driver centred for for baffle diffraction. You also need a lot more breathing room for the port ideally. Not trying to put a damper on things, they do look nice - but you could get even better results __________________ "The human mind is so constituted that it colours with its own previous conceptions any new notion that presents itself for acceptance." - J. Wilhelm. (But I still think mine sounds better than yours.)

24th August 2006, 06:42 PM	#9
audiophile36 diyAudio Member Join Date: Aug 2006 Location: South Euclid,Ohio	Thank's makes perfect sense.I will try another project the proper way and post my results. __________________ If it sounds good it is good!

24th August 2006, 07:05 PM	#10
tade diyAudio Member Join Date: Feb 2005 Location: Ralieigh nc	I like your experimentation!

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