Zetta Audio subwoofers

Thiele/Small parameters of Zetta Audio subwoofers (8″–15″) and a recommended sealed and ported box for every model, in a free sub box calculator.

Size

Voice coils

Ω per coil

Qts

17 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W	Box, ft³ · Hz
8″ 2 models
L-8 300	8″	4 Ω	38	0.41	0.52	0.37	300	Sealed 0.28 Ported 0.49 · 49
M-8 450	8″	4 Ω	39	0.47	0.31	0.46	450	Sealed 0.28 Ported 0.49 · 49
10″ 5 models
L-10 300	10″	4 Ω	36	0.44	1.31	0.37	300	Sealed 0.57 Ported 1.06 · 38
M-10 450	10″	4 Ω	33	0.46	0.85	0.46	450	Sealed 0.46 Ported 0.78 · 40
S-10 700	10″	4 Ω	34	0.41	0.69	0.46	700	Sealed 0.46 Ported 0.78 · 45
V-10 900 (4+4 Ohm)	10″	dual 4 Ω	33.6	0.51	0.58	0.67	900	Sealed 0.48 Ported 0.78 · 45
V-10 EVO 1100	10″	dual 4 Ω	37	0.36	0.39	0.71	1,100	Sealed 0.51 Ported 1.48 · 38
12″ 9 models
M-12 450	12″	4 Ω	31	0.70	1.38	0.46	450	Sealed 1.80 Ported 1.24 · 34
S-12 700 (4 Ohm)	12″	4 Ω	33	0.51	1.25	0.46	700	Sealed 0.88 Ported 1.20 · 34
V-12 950 (4 Ohm)	12″	4 Ω	31	0.45	1.29	0.57	950	Sealed 0.74 Ported 1.27 · 34
V-12 950 (4+4 Ohm)	12″	dual 4 Ω	30	0.56	1.24	0.67	950	Sealed 1.24 Ported 1.27 · 33
V-12 EVO 1100	12″	dual 4 Ω	25	0.32	1.59	0.71	1,100	Sealed 0.71 Ported 2.26 · 30
V-12 EVO 1200	12″	dual 4 Ω	26.5	0.35	1.52	0.76	1,200	Sealed 0.74 Ported 2.30 · 30
X-12 1500	12″	dual 4 Ω	33.5	0.43	1.08	0.61	1,500	Sealed 0.74 Ported 1.27 · 34
X-12 EVO 1600	12″	dual 4 Ω	27	0.32	1.59	0.71	1,600	Sealed 0.71 Ported 2.30 · 30
X-12 EVO 1800	12″	dual 4 Ω	31.5	0.39	1.01	0.74	1,800	Sealed 0.74 Ported 2.30 · 34
15″ 1 model
V-15 1300	15″	dual 4 Ω	35	0.52	1.91	0.63	1,300	Sealed 1.38 Ported 1.98 · 34

Click a column header to sort. “!” means the model’s published specs don’t add up; details are on its page.

Qts: under 0.4 — ported 0.4–0.6 — either over 0.6 — sealed · “Box” — recommended sealed and ported net volume and ported tuning.