Dayton DVC385-88 in 3 cu ft box sealed

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Impressed with the sound from a smaller sealed sub I made, I want to try this sub. WinISD likes this 15" driver in a ~2.8 cu. ft. WinISD Pro says 3.2 cu.ft. (Qtc .71) and says SPL is 88 while specs say 90db. F3 in such a cab would be around 38Hz, which for my purposes is great.

My only other concern is that, with such a low Fs, the efficiency would be low. Lots of parameters needed for WinISD Pro are missing, so I can't see full performance.

Anyone measure this driver or have experience with it?

Specifications: (Note: All specifications are with voice coils connected in parallel) • Power handling: 350 watts RMS/per coil, 600 watts total • Voice coil diameter: 2" • Le: 1.82 mH • Impedance: 8 ohm per coil / 4 ohm total • Re: 2.8 ohms • Frequency range: 20-450 Hz • Magnet weight: 112 oz. • Fs: 19 Hz • SPL: 90 dB 1W/1m • Vas: 8.2 cu. ft. • Qms: 8.66 • Qes: 0.38 • Qts: 0.36 • Xmax: 15.1 mm • Dimensions: Overall Diameter: 15-1/8", Cutout Diameter: 13-7/8", Depth: 7-3/8", Magnet Diameter: 6-1/2".
 
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