Helix subwoofers

Thiele/Small parameters of Helix subwoofers (6.5″, 8″, 10″, 12″) and a recommended sealed and ported box for every model, in a free sub box calculator.

Search Size Voice coils Ω per coil Qts

22 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W
IK W6-DVC2 (2x2 Ohm)	6.5″	dual 2 Ω	50	0.30	0.19	0.24	150
IK W6-SVC2 (1x2 Ohm)	6.5″	2 Ω	48	0.30	0.40	0.24	150
IK S8-DVC2 (2x2 Ohm)	8″	dual 2 Ω	43	0.51	0.39	0.24	300
IK S8-SVC2 (1x2 Ohm)	8″	2 Ω	43	0.50	0.39	0.24	300
IK W8-DVC2 (2x2 Ohm)	8″	dual 2 Ω	37	0.41	0.60	0.31	300
IK W8-SVC2 (1x2 Ohm)	8″	2 Ω	37	0.44	0.47	0.31	300
IQ W8-DVC2 (2x2 Ohm)	8″	dual 2 Ω	43	0.45	0.30	0.47	750
K 8W-SVC2 (1x2 Ohm)	8″	2 Ω	37	0.44	0.47	0.31	300
IK S10-DVC2 (2x2 Ohm)	10″	dual 2 Ω	34	0.46	1.20	0.24	300
IK S10-SVC2 (1x2 Ohm)	10″	2 Ω	37	0.50	0.92	0.24	300
IK W10-DVC2 (2x2 Ohm)	10″	dual 2 Ω	36	0.39	1.20	0.31	300
IK W10-SVC2 (1x2 Ohm)	10″	2 Ω	32	0.41	0.88	0.31	300
IQ W10-DVC2 (2x2 Ohm)	10″	dual 2 Ω	38	0.43	0.74	0.47	750
K 10S-DVC2 (2x2 Ohm)	10″	dual 2 Ω	34	0.46	1.20	0.24	300
K 10W-SVC2 (1x2 Ohm)	10″	2 Ω	32	0.41	0.88	0.31	300
IK S12-DVC2 (2x2 Ohm)	12″	dual 2 Ω	36	0.47	1.41	0.31	300
IK S12-SVC2 (1x2 Ohm)	12″	2 Ω	34	0.46	1.31	0.31	300
IK W12-DVC2 (2x2 Ohm)	12″	dual 2 Ω	32	0.41	2.33	0.31	300
IK W12-SVC2 (1x2 Ohm) !	12″	2 Ω	31	0.48	1.87	0.31	300
IQ W12-DVC2 (2x2 Ohm)	12″	dual 2 Ω	36	0.48	1.24	0.47	750
K 12W-SVC2 (1x2 Ohm) !	12″	2 Ω	31	0.48	1.87	0.31	300
Q 12W (2x2 Ohm)	12″	dual 2 Ω	35	0.38	0.87	0.55	1,000

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