Thruster THW835 I don’t normally buy subwoofers but when I came across this Thruster in Parts-Express BUYOUT, I couldn’t resist. It has a Qts of 0.28. Now, that’s one Qts… Read more >
michael chua
April 19, 2023
Drivers Thiele & Small, HIFI DRIVERSSubwoofer, Thruster, THW835, Woofer
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Thiele & Small Parameters Peerless 830656 RAW Frequency ResponsePorted Box=13L | Baffle Width=8-1/2″ Thiele & Small Parameters (before Break-in) Ported Box=13 liters • Fb=50Hz (Manufacturer’s T/S) Ported Box=13 liters •… Read more >
michael chua
April 30, 2020
Drivers Thiele & Small, HIFI DRIVERS830656, Peerless, SDS, Subwoofer
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10″ Pyramid Gold 25L Bandpass Subwoofer This Pyramid Gold is a 10″ car subwoofer that I bought way back in the 90s. It’s probably about 20 odd years now. All… Read more >
michael chua
December 25, 2018
ProjectsBandpass, Pyramid, Subwoofer, Vintage
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Toucan The Toucan is a compact 25 Liters Bandpass Subwoofer based on an 8″ Dayton SD215A-88 DVC Subwoofer. I tested the SD215A in a Bass Relfex and a Sealed Box… Read more >
michael chua
December 25, 2018
ProjectsBandpass, Dayton, SD215, Subwoofer
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Albatross I’ve always been uncomfortable with the Dayton DA270-8 woofer. I tried it in a ported and sealed box but to no avail. While it does deliver on the low… Read more >
michael chua
July 22, 2018
Projects10", Aluminum Cone, Bandpass, DA270, Dayton, Subwoofer
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Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Voice Coils wired in Parallel (4Ω) Ported Box=20 liters • Fb=35Hz (Manufacturer’s T/S) Ported Box=20 liters • Fb=35Hz (DATS T/S)… Read more >
michael chua
June 12, 2018
Drivers Thiele & Small, HIFI DRIVERS8", Dayton, SD215A, Subwoofer
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Update – May 21, 2018 The Crow Bandpass Subwoofer can be used with the normal Unshielded Silver Flute W17RC38-08. The Red plot above is with the Unshielded W17. There’s not… Read more >
michael chua
May 17, 2018
Projects6.5", Bandpass, Silver Flute, Subwoofer, W17RC38
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Tymphany Vifa NE265W-04 10″ Subwoofer Thiele/Small Parameters Delta Mass 140 grams Vifa NE265W-04 Free Air and 140 grams added mass Vifa NE265W-04 in 25L Ported Box (F3=40Hz) Vifa NE265W-04 in… Read more >
michael chua
August 23, 2017
HIFI DRIVERSNE265W, Peerless, Subwoofer, Thiele&Small, Vifa
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Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Sealed Box=35 liters • F3=50Hz • Q=0.79 (Manufacturer’s T/S) Sealed Box=35 liters • F3=48Hz • Q=0.97 (DATS T/S) Sealed Box=35… Read more >
michael chua
August 19, 2017
HIFI DRIVERSHome Theater, PL26WR09, Subwoofer, Thiele&Small, Vifa
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The plot above is of my Dayton SD215A-88 DVC Subwoofer in a 4th order Bandpass box. This is the natural acoustic response taken with the mic at the mouth of… Read more >
michael chua
August 19, 2017
ArticlesBandpass, Dayton, SD215A-88, Subwoofer
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