DD Audio subwoofers
Thiele/Small parameters of DD Audio subwoofers (6.5″, 8″, 10″, 12″, 15″, 18″, 21″) and a recommended sealed and ported box for every model, in a free sub box calculator.
99 models
| Model | Size | Voice coils | Fs, Hz | Qts | Vas, ft³ | Xmax, in | RMS, W |
|---|---|---|---|---|---|---|---|
| 506d D2 | 6.5″ | dual 2 Ω | 43.7 | 0.50 | 0.16 | 0.35 | 400 |
| 506d D4 | 6.5″ | dual 4 Ω | 43.7 | 0.50 | 0.16 | 0.35 | 400 |
| 508e D2 | 8″ | dual 2 Ω | 44 | 0.70 | 0.15 | 0.55 | 500 |
| 508e D4 | 8″ | dual 4 Ω | 44 | 0.70 | 0.15 | 0.55 | 500 |
| 608d D2 | 8″ | dual 2 Ω | 38.4 | 0.46 | 0.26 | 0.51 | 600 |
| 608f D2 | 8″ | dual 2 Ω | 38 | 0.47 | 0.26 | 0.71 | 1,000 |
| 608f D4 | 8″ | dual 4 Ω | 38 | 0.47 | 0.26 | 0.71 | 1,000 |
| 1508d D2 | 8″ | dual 2 Ω | 43.7 | 0.89 | 0.22 | 0.39 | 600 |
| 1508d D4 | 8″ | dual 4 Ω | 43.7 | 0.89 | 0.22 | 0.39 | 600 |
| 2008c ESP D2 | 8″ | dual 2 Ω | 28.9 | 0.60 | 0.69 | 0.67 | 600 |
| 2008c ESP D4 | 8″ | dual 4 Ω | 28.9 | 0.60 | 0.69 | 0.67 | 600 |
| 2508g ESP D2 | 8″ | dual 2 Ω | 42 | 0.56 | 0.16 | 0.79 | 1,200 |
| 2508g ESP D4 | 8″ | dual 4 Ω | 42 | 0.56 | 0.16 | 0.79 | 1,200 |
| SL608 D2 | 8″ | dual 2 Ω | 34 | 0.40 | 0.46 | 0.47 | 300 |
| SL608 D4 | 8″ | dual 4 Ω | 34 | 0.40 | 0.46 | 0.47 | 300 |
| 510d D2 | 10″ | dual 2 Ω | 30.3 | 0.42 | 0.97 | 0.39 | 400 |
| 510e D2 | 10″ | dual 2 Ω | 38 | 0.66 | 1.31 | 0.71 | 700 |
| 510e D4 | 10″ | dual 4 Ω | 38 | 0.66 | 1.31 | 0.71 | 700 |
| 610d D2 | 10″ | dual 2 Ω | 35 | 0.51 | 0.60 | 0.43 | 600 |
| 610f D2 | 10″ | dual 2 Ω | 34 | 0.42 | 1.20 | 0.87 | 1,000 |
| 610f D4 | 10″ | dual 4 Ω | 34 | 0.42 | 1.20 | 0.87 | 1,000 |
| 710g D2 | 10″ | dual 2 Ω | 34 | 0.33 | 0.47 | 1.02 | 1,800 |
| 710g D4 | 10″ | dual 4 Ω | 34 | 0.33 | 0.47 | 1.02 | 1,800 |
| 1010c D2 | 10″ | dual 2 Ω | 28.3 | 0.65 | 0.68 | 0.55 | 400 |
| 1010c D4 | 10″ | dual 4 Ω | 28.3 | 0.65 | 0.68 | 0.55 | 400 |
| 1010f D2 | 10″ | dual 2 Ω | 28.3 | 0.65 | 0.68 | 0.55 | 600 |
| 1010f D4 | 10″ | dual 4 Ω | 28.3 | 0.65 | 0.68 | 0.55 | 600 |
| 1510d D2 | 10″ | dual 2 Ω | 37.7 | 0.86 | 0.67 | 0.39 | 600 |
| 1510d D4 | 10″ | dual 4 Ω | 37.7 | 0.86 | 0.67 | 0.39 | 600 |
| 2510f D2 | 10″ | dual 2 Ω | 33.7 | 0.75 | 0.60 | 0.67 | 800 |
| 2510f D4 | 10″ | dual 4 Ω | 33.7 | 0.75 | 0.60 | 0.67 | 800 |
| 3010b ESP D2 | 10″ | dual 2 Ω | 29.6 | 0.39 | 0.98 | 0.69 | 800 |
| 3010b ESP D4 | 10″ | dual 4 Ω | 29.6 | 0.39 | 0.98 | 0.69 | 800 |
| 3510i D2 | 10″ | dual 2 Ω | 43.7 | 0.60 | 0.55 | 0.69 | 1,200 |
| 9510L ESP D1 | 10″ | dual 1 Ω | 34.3 | 0.37 | 0.72 | 1.26 | 2,500 |
| 9510L ESP D2 | 10″ | dual 2 Ω | 34.3 | 0.37 | 0.72 | 1.26 | 2,500 |
| SL610 D2 | 10″ | dual 2 Ω | 29 | 0.37 | 0.95 | 0.75 | 600 |
| SL610 D4 | 10″ | dual 4 Ω | 29 | 0.37 | 0.95 | 0.75 | 600 |
| SL710 D2 | 10″ | dual 2 Ω | 41 | 0.57 | 0.41 | 0.75 | 1,000 |
| SL710 D4 | 10″ | dual 4 Ω | 41 | 0.57 | 0.41 | 0.75 | 1,000 |
| VO-WN710 D2 | 10″ | dual 2 Ω | 40 | 0.39 | 0.36 | 0.47 | 1,200 |
| VO-WN710 D4 | 10″ | dual 4 Ω | 40 | 0.39 | 0.36 | 0.47 | 1,200 |
| 212e D4 | 12″ | dual 4 Ω | 37 | 0.65 | 1.31 | 0.39 | 350 |
| 512e D2 | 12″ | dual 2 Ω | 33 | 0.64 | 1.07 | 0.71 | 700 |
| 512e D4 | 12″ | dual 4 Ω | 33 | 0.64 | 1.07 | 0.71 | 700 |
| 612d D2 | 12″ | dual 2 Ω | 33.7 | 0.61 | 1.56 | 0.51 | 600 |
| 612f D2 | 12″ | dual 2 Ω | 31 | 0.41 | 2.87 | 0.87 | 1,000 |
| 612f D4 | 12″ | dual 4 Ω | 31 | 0.41 | 2.87 | 0.87 | 1,000 |
| 712d D2 | 12″ | dual 2 Ω | 28.3 | 0.43 | 1.40 | 0.55 | 1,200 |
| 712g D2 | 12″ | dual 2 Ω | 32 | 0.43 | 0.90 | 1.18 | 2,000 |
| 712g D4 | 12″ | dual 4 Ω | 32 | 0.43 | 0.90 | 1.18 | 2,000 |
| 812f D1 | 12″ | dual 1 Ω | 34 | 0.55 | 0.67 | 1.22 | 2,500 |
| 812f D2 | 12″ | dual 2 Ω | 34 | 0.55 | 0.67 | 1.22 | 2,500 |
| 1012c D2 | 12″ | dual 2 Ω | 28 | 0.71 | 1.95 | 0.55 | 400 |
| 1012c D4 | 12″ | dual 4 Ω | 28 | 0.71 | 1.95 | 0.55 | 400 |
| 1012f D2 | 12″ | dual 2 Ω | 28 | 0.71 | 1.95 | 0.55 | 600 |
| 1012f D4 | 12″ | dual 4 Ω | 28 | 0.71 | 1.95 | 0.55 | 600 |
| 1512d D2 | 12″ | dual 2 Ω | 41.7 | 1.16 | 0.77 | 0.39 | 600 |
| 1512d D4 | 12″ | dual 4 Ω | 41.7 | 1.16 | 0.77 | 0.39 | 600 |
| 2512f D2 | 12″ | dual 2 Ω | 31.6 | 0.80 | 1.54 | 0.67 | 800 |
| 3012b ESP D2 | 12″ | dual 2 Ω | 26.2 | 0.42 | 2.62 | 0.69 | 800 |
| 3012b ESP D4 | 12″ | dual 4 Ω | 26.2 | 0.42 | 2.62 | 0.69 | 800 |
| 3512i ESP D2 | 12″ | dual 2 Ω | 41.7 | 0.71 | 0.80 | 0.69 | 1,200 |
| 9512L ESP D1 | 12″ | dual 1 Ω | 37.7 | 0.66 | 0.93 | 1.26 | 2,500 |
| 9912c D1 | 12″ | dual 1 Ω | 31.6 | 0.35 | 0.83 | 1.26 | 3,200 |
| 9912c D2 | 12″ | dual 2 Ω | 31.6 | 0.35 | 0.83 | 1.26 | 3,200 |
| SL612 D2 | 12″ | dual 2 Ω | 27 | 0.41 | 2.41 | 0.75 | 600 |
| SL612 D4 | 12″ | dual 4 Ω | 27 | 0.41 | 2.41 | 0.75 | 600 |
| SL712 D2 | 12″ | dual 2 Ω | 29 | 0.56 | 1.38 | 0.75 | 1,000 |
| SL712 D4 | 12″ | dual 4 Ω | 29 | 0.56 | 1.38 | 0.75 | 1,000 |
| VO-W712 D2 | 12″ | dual 2 Ω | 40.9 | 0.47 | 0.62 | 0.47 | 1,200 |
| VO-W712 D4 | 12″ | dual 4 Ω | 40.9 | 0.47 | 0.62 | 0.47 | 1,200 |
| 615d D2 | 15″ | dual 2 Ω | 26.9 | 0.68 | 4.04 | 0.51 | 600 |
| 615e D2 | 15″ | dual 2 Ω | 33.6 | 0.47 | 2.91 | 0.59 | 800 |
| 615e D4 | 15″ | dual 4 Ω | 33.6 | 0.47 | 2.91 | 0.59 | 800 |
| 715d D2 | 15″ | dual 2 Ω | 31.6 | 0.54 | 2.48 | 0.63 | 1,200 |
| 715f D2 | 15″ | dual 2 Ω | 30.3 | 0.63 | 2.21 | 0.87 | 1,500 |
| 715f D4 | 15″ | dual 4 Ω | 30.3 | 0.63 | 2.21 | 0.87 | 1,500 |
| 815f D1 | 15″ | dual 1 Ω | 34 | 0.61 | 2.21 | 1.22 | 2,500 |
| 815f D2 | 15″ | dual 2 Ω | 34 | 0.61 | 2.21 | 1.22 | 2,500 |
| 3015b ESP D2 | 15″ | dual 2 Ω | 35.7 | 0.60 | 2.48 | 0.69 | 800 |
| 3015b ESP D4 | 15″ | dual 4 Ω | 35.7 | 0.60 | 2.48 | 0.69 | 800 |
| 3515i ESP D2 | 15″ | dual 2 Ω | 41 | 0.88 | 2.01 | 0.69 | 1,200 |
| 9515k ESP D1 | 15″ | dual 1 Ω | 39 | 0.67 | 1.87 | 0.87 | 2,000 |
| 9515k ESP D2 | 15″ | dual 2 Ω | 39 | 0.67 | 1.87 | 0.87 | 2,000 |
| 9515L ESP D1 | 15″ | dual 1 Ω | 39 | 0.67 | 1.87 | 1.26 | 2,500 |
| 9915b ESP D2 | 15″ | dual 2 Ω | 34.3 | 0.40 | 1.92 | 0.87 | 2,500 |
| 9915c D1 | 15″ | dual 1 Ω | 34.3 | 0.40 | 1.92 | 1.26 | 3,200 |
| 9915c D2 | 15″ | dual 2 Ω | 34.3 | 0.40 | 1.92 | 1.26 | 3,200 |
| SL715 D2 | 15″ | dual 2 Ω | 27.7 | 0.65 | 1.94 | — | 1,000 |
| SL715 D4 | 15″ | dual 4 Ω | 27.7 | 0.65 | 1.94 | — | 1,000 |
| 818f D1 | 18″ | dual 1 Ω | 27 | 0.79 | 5.48 | 1.22 | 2,500 |
| 818f D2 | 18″ | dual 2 Ω | 27 | 0.79 | 5.48 | 1.22 | 2,500 |
| 3518i ESP D2 | 18″ | dual 2 Ω | 28.9 | 0.82 | 5.16 | 0.69 | 1,200 |
| 9518L ESP D1 | 18″ | dual 1 Ω | 31 | 0.72 | 3.46 | 1.26 | 2,500 |
| 9918b ESP D2 ! | 18″ | dual 2 Ω | 26.2 | 0.42 | 5.72 | 0.87 | 2,500 |
| 9918c D1 ! | 18″ | dual 1 Ω | 26.2 | 0.42 | 5.72 | 1.26 | 3,200 |
| 9918c D2 ! | 18″ | dual 2 Ω | 26.2 | 0.42 | 5.72 | 1.26 | 3,200 |
| 9921c D1 | 21″ | dual 1 Ω | 26.2 | 0.47 | 5.72 | 1.26 | 3,200 |
Click a column header to sort. “!” means the model’s published specs don’t add up; details are on its page.