Morel subwoofers

Thiele/Small parameters of Morel subwoofers (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

23 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W
Primo 804 (SVC 4 ohm)	8″	4 Ω	45	0.59	0.44	0.31	200
Primo SL PSL 84 (SVC 4 ohm)	8″	4 Ω	37	0.53	0.33	0.39	250
Ultimo 802 (SVC 2 ohm)	8″	2 Ω	37	0.40	0.60	0.49	800
Ultimo 804 (SVC 4 ohm) !	8″	4 Ω	40	0.40	0.69	0.49	800
Ultimo Titanium 802 (SVC 2 ohm)	8″	2 Ω	39	0.61	0.60	—	—
Ultimo Titanium 804 (SVC 4 ohm)	8″	4 Ω	39	0.53	0.57	—	—
Primo 104 (SVC 4 ohm)	10″	4 Ω	35	0.43	1.41	0.31	250
Primo SL PSL 104 (SVC 4 ohm)	10″	4 Ω	30	0.52	0.93	0.39	300
Ultimo 102 (SVC 2 ohm)	10″	2 Ω	27	0.39	1.67	0.49	1,000
Ultimo 104 (SVC 4 ohm) !	10″	4 Ω	29	0.42	1.22	0.49	1,000
Ultimo PowerSlim PS104D (DVC 4+4 ohm)	10″	dual 4 Ω	29.1	0.72	0.88	0.31	600
Ultimo SC 102 (SVC 2 ohm)	10″	2 Ω	33	0.38	1.48	0.37	600
Ultimo SC 104 (SVC 4 ohm)	10″	4 Ω	29	0.35	1.77	0.37	600
Ultimo Titanium 102 (SVC 2 ohm)	10″	2 Ω	24	0.51	2.33	—	—
Ultimo Titanium 104 (SVC 4 ohm)	10″	4 Ω	24	0.37	3.00	—	—
Primo 124 (SVC 4 ohm)	12″	4 Ω	32	0.52	2.12	0.31	300
Ultimo 122 (SVC 2 ohm)	12″	2 Ω	26.4	0.44	2.59	0.49	1,000
Ultimo 124 (SVC 4 ohm)	12″	4 Ω	26	0.42	2.61	0.49	1,000
Ultimo PowerSlim PS124D (DVC 4+4 ohm)	12″	dual 4 Ω	24	0.59	1.74	0.31	700
Ultimo SC 122 (SVC 2 ohm)	12″	2 Ω	27.5	0.46	2.43	0.37	600
Ultimo SC 124 (SVC 4 ohm)	12″	4 Ω	28	0.41	2.13	0.37	600
Ultimo Titanium 122 (SVC 2 ohm)	12″	2 Ω	24	0.54	4.13	—	—
Ultimo Titanium 124 (SVC 4 ohm)	12″	4 Ω	24	0.46	3.64	—	—

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