STX W.30.200.8.MC

12" · 8 Ω · 100 W · 91.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	31 Hz
Qts	0.622
Qes	0.79
Qms	2.93
Vas	148 L
Sd	510 cm²
Xmax	6.2 mm
Re	5.2 Ω
Bl	9.1 T·m
Mms	64.9 g
Pe	100 W
Sensitivity	91.3 dB

Alignment hint

EBP	39 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 506.2 L

EBP < 50: favours a sealed (closed) alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Focal 33H	29.4 -1.6	0.618 =	124.4 -23.6	7.5 +1.3	92.5 +1.2	close	4 Ω vs 8 Ω: amp load changes	+
Peerless SLS12 830669 v2012	31 =	0.536 -0.09	132.4 -15.6	6.1 -0.1	91.9 +0.6	close	Xmax 6.1 mm < 6.2 mm: lower excursion-limited SPL	+
Beyma 12BR70 v2014	31 =	0.497 -0.12	142 -6	6 -0.2	92.3 +1	close	Xmax 6 mm < 6.2 mm: lower excursion-limited SPL	+
Beyma 12BR70 v2015	31 =	0.497 -0.12	142 -6	6 -0.2	92.3 +1	close	Xmax 6 mm < 6.2 mm: lower excursion-limited SPL	+
Sphynx SP-W310PP	33 +2	0.618 =	182.8 +34.8	5 -1.2	91 -0.3	close	16 Ω vs 8 Ω: amp load changes · Xmax 5 mm < 6.2 mm: lower excursion-limited SPL	+
Monacor SP-302C	33 +2	0.607 -0.02	155 +7	5 -1.2	94.3 +3	close	4 Ω vs 8 Ω: amp load changes · Xmax 5 mm < 6.2 mm: lower excursion-limited SPL	+
Beyma 12"BR70	31 =	0.5 -0.12	142 -6	8 +1.8	93 +1.7	close		+
Visaton W300	32 +1	0.549 -0.07	190 +42	7 +0.8	92.2 +0.9	usable		+
Pioneer VINTAGE VERSION	25.7 -5.3	0.556 -0.07	134.2 -13.8	7.2 +1	92.1 +0.8	usable	4 Ω vs 8 Ω: amp load changes	+
Visaton TIW360DS 2x4 Ohms	30 -1	0.675 +0.05	114 -34	11.7 +5.5	92 +0.7	usable	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the W.30.200.8.MC →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.