my new cabinet for two 8" woofer

denbo123 · 14th May 2009, 01:08 AM

How do you think of the cabinet?
Cabinet size: 1680mm (H) x 250mm(W) x 320mm(D)
woofer: 8 inch x 2 pieces
mid: Seas H1304 X 2 pieces
tweeter: Fountek NEO CD3.5H

denbo123 · 14th May 2009, 01:13 AM

photo 2

denbo123 · 14th May 2009, 01:19 AM

The 8 inch kelvar woofer T/S parameter (used LMS for measurement).

Fo: 30.4576 Hz
Zmax: 97.2938 ohm
Sd: 0.0216 sqM
BL: 13.4758 TM
SPL: 85.8776 dB
Qms: 5.2119
Qes: 0.3731
Qts: 0.3482
Vas: 33.2111 Liter
Cms: 501.2736 uM/N
Mms: 54.4718 g
Mmd: 52.6465 g
Levc: 1.0128 mH Rem 8.1688 @1kHz
Levc: 0.1465 mH Rem 38.5210 @ 20kHz
Krm: 88.2776 m ohm Erm: 0.5177
Kxm: 286.0775 mH Exm: 0.3547

the woofer cabinet volume is 26 Liter, Fb is 35Hz.

denbo123 · 14th May 2009, 01:28 AM

the woofer was designed and made by myself since the good woofer are expensive.

denbo123 · 14th May 2009, 01:31 AM

The kelvar cone.

DcibeL · 14th May 2009, 01:35 AM

Very nice cabinet indeed! And an impressive looking woofer.

Surely there was a higher cost of designing and manufacturing your own woofer, than purchasing one?

denbo123 · 14th May 2009, 01:36 AM

the magnet size: 120mm x 60mm x 20mm
the plate thickness: 8mm
the voice coile winding length: 19mm

denbo123 · 14th May 2009, 01:39 AM

the Magnetic Circuit parts

denbo123 · 14th May 2009, 01:52 AM

Hi DcibeL, I only made 6 pieces.

14th May 2009, 01:35 AM	#6
DcibeL diyAudio Member Join Date: May 2003 Location: Saskatchewan	Very nice cabinet indeed! And an impressive looking woofer. Surely there was a higher cost of designing and manufacturing your own woofer, than purchasing one? __________________ The power of Science compels you!

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