Avatar subwoofers

Thiele/Small parameters of Avatar subwoofers (12″, 15″, 18″) and a recommended sealed and ported box for every model, in a free sub box calculator.

Search Size Voice coils Ω per coil Qts

14 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W
Doomsday 12 D1	12″	dual 1 Ω	30	0.35	0.64	0.79	3,500
Doomsday 12 D2	12″	dual 2 Ω	31	0.41	0.62	0.79	3,500
SST-12	12″	4 Ω	37.4	0.51	1.68	0.55	300
SST-312 D2	12″	dual 2 Ω	38.1	0.50	1.03	0.59	1,000
Volcano 12 D1	12″	dual 1 Ω	30	0.49	0.93	0.98	2,500
Volcano 12 D2	12″	dual 2 Ω	31	0.54	0.90	0.98	2,500
Doomsday 15 D1	15″	dual 1 Ω	30	0.41	1.73	0.79	3,500
Doomsday 15 D2	15″	dual 2 Ω	31	0.52	1.68	0.79	3,500
SST-15	15″	4 Ω	32.6	0.71	3.95	0.55	300
SST-315 D2	15″	dual 2 Ω	35.3	0.61	2.40	0.59	1,000
Volcano 15 D1	15″	dual 1 Ω	29	0.49	1.72	0.98	2,500
Volcano 15 D2	15″	dual 2 Ω	30	0.52	1.68	0.98	2,500
Doomsday 18 D1	18″	dual 1 Ω	29	0.45	2.70	0.79	3,500
Doomsday 18 D2	18″	dual 2 Ω	30	0.49	2.67	0.79	3,500

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