Crossfire subwoofers

Thiele/Small parameters of Crossfire subwoofers (8″, 10″, 12″, 15″) and a recommended sealed and ported box for every model, in a free sub box calculator.

Search Size Voice coils Ω per coil Qts

12 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W
C7 8D1	8″	dual 1 Ω	48	0.28	0.15	0.39	1,000
C7 8D2	8″	dual 2 Ω	49	0.27	0.15	0.39	1,000
C3 10Dv2	10″	dual 4 Ω	42	0.76	0.30	0.43	250
C7 10D1	10″	dual 1 Ω	39	0.44	0.35	0.57	1,200
C7 10D2	10″	dual 2 Ω	40	0.36	0.35	0.57	1,200
C7 12D1	12″	dual 1 Ω	35	0.44	0.88	0.63	1,200
C7 12D2	12″	dual 2 Ω	36	0.40	0.88	0.63	1,200
C312D2-V3	12″	dual 2 Ω	28	0.44	2.07	0.47	400
C312D4-V3	12″	dual 4 Ω	29	0.46	2.04	0.47	400
BMF1528	15″	dual 4 Ω	23.5	0.69	5.29	0.55	375
C7 15D1	15″	dual 1 Ω	31	0.47	2.44	0.67	1,200
C7 15D2	15″	dual 2 Ω	32	0.47	2.44	0.67	1,200

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