Peerless 830656 Manufacturer’s Specs Peerless 830656 RAW Frequency ResponsePorted Box=13L | Baffle Width=8-1/2″ Peerless 830656 Thiele & Small Parameters Sealed Box=8.5 liters | F3=80Hz Ported Box=10 liters | F3=55Hz Ported… Read more >
April 30, 2020 Drivers Thiele & Small, HIFI DRIVERS Read more >
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 >
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 >
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 >
Dayton SD215A-88 DVC Thiele & Small Voice Coils wired in Parallel (4Ω) Ported Box 40 liters. F3=33Hz Ported Box 27 liters. F3=40Hz Ported Box 24 liters. F3=40Hz Bandpass Box 25… Read more >
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 >
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 >
Vifa PL26WR09-08 Premium Line 10″ Subwoofer Thiele/Small Parameters Bandpass Box 55 liters. Fb=55Hz, Q=0.97 Bandpass Box 55 liters. Fb=60Hz, Q=0.97 Bandpass Box 75 liters. Fb=54Hz, Q=0.88 Sealed Box 75 liters…. Read more >
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 >
Dayton SD215A-88 DVC 8″ Subwoofer Thiele/Small Parameters First order of the day is to measure the T/S. They are not exactly the same as Dayton’s but at least, they are… Read more >