Gladen subwoofers

Thiele/Small parameters of Gladen subwoofers (6.5″, 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

43 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W
RS-X 6.5 (SVC 4 ohm)	6.5″	4 Ω	54.9	0.62	0.14	—	250
Sigma SSW065 (DVC 2 ohm)	6.5″	dual 2 Ω	56	0.53	0.09	0.33	200
Gamma GS08-Slim (DVC 2 ohm) !	8″	dual 2 Ω	43.4	0.57	0.22	—	200
RS 08 (SVC 4 ohm)	8″	4 Ω	39.6	0.50	0.64	—	175
RS 08 EXTREME (SVC 2 ohm)	8″	2 Ω	36.3	0.37	0.75	—	200
RS-X 08 (SVC 4 ohm)	8″	4 Ω	43	0.64	0.32	—	250
RS-X 08 Slim D2 (DVC 2 ohm)	8″	dual 2 Ω	44	0.58	0.45	0.31	225
Sigma SSW08 (DVC 2 ohm)	8″	dual 2 Ω	57	0.50	0.14	0.33	350
Sigma SSWX08 Extreme (DVC 2 ohm)	8″	dual 2 Ω	44	0.50	0.14	0.47	450
SQX 08 (SVC 4 ohm)	8″	4 Ω	45.9	0.49	0.47	0.31	250
Zeta 08 (DVC 2 ohm)	8″	dual 2 Ω	21	0.30	1.05	0.43	200
Aerospace 10 (SVC 4 ohm)	10″	4 Ω	34.5	0.57	1.21	0.59	400
Alpha 10 (SVC 4 ohm)	10″	4 Ω	37	0.49	1.34	0.14	150
Gamma GS10-Slim (DVC 2 ohm) !	10″	dual 2 Ω	35.6	0.50	0.62	—	300
M 10 (SVC 4 ohm)	10″	4 Ω	31.3	0.37	2.25	—	200
Pro 10 (SVC 4 ohm)	10″	4 Ω	31.4	0.52	1.21	0.59	500
RS 10 (SVC 4 ohm)	10″	4 Ω	31.2	0.33	1.80	—	250
RS-X 10 (SVC 4 ohm)	10″	4 Ω	35.6	0.45	0.98	—	300
RS-X 10 Slim D2 (DVC 2 ohm)	10″	dual 2 Ω	42	0.58	0.83	0.39	250
Sigma SSW10 (DVC 2 ohm)	10″	dual 2 Ω	36	0.47	0.65	0.45	450
Sigma SSWX10 Extreme (DVC 2 ohm) !	10″	dual 2 Ω	31	0.48	0.46	0.59	700
SQX 10 (SVC 4 ohm) !	10″	4 Ω	38.8	0.39	0.87	0.39	350
Zero 10 Pro (SVC 4 ohm)	10″	4 Ω	30	0.46	1.67	0.49	400
Zeta 10 (DVC 2 ohm)	10″	dual 2 Ω	26.5	0.78	1.03	0.45	300
Gamma GS12-Slim (DVC 2 ohm) !	12″	dual 2 Ω	26.5	0.45	2.17	—	500
M 12 (SVC 4 ohm)	12″	4 Ω	29.2	0.37	3.96	—	300
RS 12 (SVC 4 ohm)	12″	4 Ω	26.3	0.40	3.73	—	400
RS 12 FA Free-Air (SVC 4 ohm)	12″	4 Ω	28.1	0.53	3.26	—	400
RS-X 12 (SVC 4 ohm)	12″	4 Ω	31.4	0.45	2.24	—	500
RS-X 12 Slim (SVC 4 ohm)	12″	4 Ω	35	0.57	2.53	0.28	—
Sigma SSW12 (DVC 2 ohm)	12″	dual 2 Ω	36	0.53	1.27	0.45	500
Sigma SSWX12 Extreme (DVC 2 ohm)	12″	dual 2 Ω	32	0.49	1.00	0.59	800
SPL 12 (DVC)	12″	dual 1 Ω	38.8	0.40	0.89	0.79	1,800
SQL 12 (SVC 4 ohm)	12″	4 Ω	35.8	0.34	1.12	0.59	1,100
SQL 12 Extreme (SVC 2 ohm)	12″	2 Ω	33	0.35	1.27	0.59	1,300
SQX 12 Extreme (SVC 2 ohm)	12″	2 Ω	30	0.32	1.70	0.55	750
Zero 12 Pro (SVC 4 ohm)	12″	4 Ω	27	0.38	3.31	0.49	500
M 15 (SVC 4 ohm)	15″	4 Ω	27.6	0.49	6.31	—	400
RS 15 FA Free-Air (SVC 4 ohm)	15″	4 Ω	27.6	0.54	4.76	—	450
SPL 15 (DVC)	15″	dual 1 Ω	37.8	0.44	1.72	0.79	2,200
SQL 15 (SVC 4 ohm)	15″	4 Ω	35.5	0.51	2.85	0.59	1,200
SQL 15 Extreme (SVC 2 ohm)	15″	2 Ω	35	0.51	2.41	0.59	1,400
SQX 15 Extreme (SVC 2 ohm)	15″	2 Ω	35.5	0.53	2.85	—	850

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