Electro-Voice SP12C

12" · 8 Ω · 50 W · 96.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	45 Hz
Qts	0.665
Qes	0.75
Qms	5.9
Vas	167.1 L
Sd	535 cm²
Xmax	4 mm
Re	5.5 Ω
Bl	7.9 T·m
Mms	30 g
Pe	50 W
Sensitivity	96.7 dB

Alignment hint

EBP	60 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 1279 L

EBP 50-100: works in either a sealed or ported 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
Supravox 285-2000EXC_06V	53 +8	0.639 -0.03	154 -13.1	4 =	98.2 +1.5	close		+
Pioneer TS-A2503i vp	41 -4	0.579 -0.09	162 -5.1	5 +1	98.2 +1.5	close	4 Ω vs 8 Ω: amp load changes	+
Monacor SP-302E	39 -6	0.722 +0.06	141 -26.1	4 =	95.3 -1.4	usable	4 Ω vs 8 Ω: amp load changes	+
AE Speakers LO12-D8 v2016	41.9 -3.1	0.67 +0.01	117.9 -49.2	7.4 +3.4	97.1 +0.4	usable	4 Ω vs 8 Ω: amp load changes	+
Fane 12 W vp	53.6 +8.6	0.598 -0.07	160 -7.1	5 +1	99.2 +2.5	usable		+
Cabasse 30BZ18 v2	38.5 -6.5	0.747 +0.08	154.7 -12.4	4 =	92.8 -3.9	usable		+
AE Speakers LO12-D16	41.9 -3.1	0.67 +0.01	119.7 -47.4	7.4 +3.4	94.1 -2.6	usable		+
Lanzar VW124/12D	40 -5	0.763 +0.1	147.4 -19.7	10 +6	95.5 -1.2	usable	4 Ω vs 8 Ω: amp load changes	+
Technysound TS 30/300 vp	44 -1	0.929 +0.26	178 +10.9	4 =	94.4 -2.3	usable		+
Audax PR300T0	48 +3	0.824 +0.16	142 -25.1	3.5 -0.5	95.4 -1.3	usable	Xmax 3.5 mm < 4 mm: lower excursion-limited SPL	+

Compare the closest 3 against the SP12C →

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.