Timpano subwoofers

Thiele/Small parameters of Timpano subwoofers (10″, 12″, 15″) and a recommended sealed and ported box for every model, in a free sub box calculator.

Size

Voice coils

Ω per coil

Qts

11 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W	Box, ft³ · Hz
10″ 3 models
TPT-T1000-10 D4	10″	dual 4 Ω	38	0.61	0.45	0.55	1,000	Sealed 0.64 Ported 0.85 · 46
TPT-T1500-10 D4	10″	dual 4 Ω	43	0.59	0.33	0.63	1,600	Sealed 0.49 Ported 0.85 · 46
TPT-T2500-10 D2	10″	dual 2 Ω	44	0.71	0.41	0.93	2,000	Sealed 0.81 Ported 0.85 · 46
12″ 5 models
TPT-T1000-12 D4	12″	dual 4 Ω	32	0.66	1.39	0.55	1,200	Sealed 1.73 Ported 1.20 · 34
TPT-T1500-12 D4	12″	dual 4 Ω	37	0.57	1.07	0.63	1,600	Sealed 1.13 Ported 1.20 · 34
TPT-T2500-12 D4	12″	dual 4 Ω	39	0.83	0.93	0.93	2,500	Sealed 1.73 Ported 1.20 · 34
TPT-T3500-12 D2	12″	dual 2 Ω	35	0.51	0.92	1.14	3,500	Sealed 0.71 Ported 1.20 · 34
TPT-TSUB12 D4	12″	dual 4 Ω	45	1.11	0.81	0.59	800	Sealed 1.62 Ported 1.20 · 34
15″ 3 models
TPT-T1500-15 D4	15″	dual 4 Ω	36	0.75	2.23	0.63	1,600	Sealed 2.83 Ported 1.98 · 34
TPT-T2500-15 D4	15″	dual 4 Ω	35	1.01	2.37	0.93	2,500	Sealed 2.83 Ported 1.98 · 34
TPT-T3500-15 D2	15″	dual 2 Ω	30	0.50	2.67	1.14	3,500	Sealed 1.66 Ported 2.15 · 33

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.