I've been impressed with the speaker's versatility - I've run it in sealed boxes as small as 1.0 CF, and ported boxes as large as 3.4 CF, always with satisfactory results. A note for those who might build large ported boxes, you will need a very long port to achieve proper tuning. The port in my 3.4 CF slot-ported box is 48" long to achieve the desired 28 Hz. tuning. Anyone complaining about Yonkers Super Mobile Mechanic

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Now, 3 years later I have finally gotten my new setup going. I have been extremely pleased with Soundstream in the past, so I decided to stick with the tried and true. I managed to get a hold of four brand new, factory sealed 2000 model SPL12s on eBay for $100 a piece (these are the flat dust cone models). I also got a good deal on a Soundstream Class A 10.2. mobile truck engine repair

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