SB Acoustics SB23MFCL45-4, 8" Polypropylene Cone Sub Woofer - 4 ohm

I have tried matching up many subwoofers to a pair of 4" full range satellite speakers. The list includes 8" Dayton RSS HO and HF and a 10" Peerless XXLS. I prefer the sound of this SB over the rest. It really does the range of 50-100 hz right. Other subwoofers sound strained above 80hz and may do better under 40hz, but for music listening this SB is best.

Used this driver for a 2.1 desktop setup and I am very satisfied with the drivers performance. Blends naturally with desktop speakers and has a usable and clean response down into the mid 20s. For a larger room I suspect this would play well into the 30s but run out of gas any lower.

Build a 13" cube out of 3/4" birch ply lined with a single layer of 3" rockwool insulation. Paired this with a 10" Dayton Audio Reference Series passive radiator and a Dayton Audio 250w DSP plate amp. I ran 2 weights on the radiator which gave box of about a tuning of 26Hz. Model showed an F3 of 43Hz and an F6 of 27Hz. With DSP in the plate amp and a 80Hz HPF I was able to get an in room response of 26HZ - 90Hz +/- 3db.

Overall I am really impressed with this driver and it's ability to play very cleanly blend with my speakers with a small footprint.

One note, I did experience the rubber surround separating from the basket after about 10-15 hours of play time. I was able to repair using Goop adhesive and have not had any other issues since.