Monacor SP-12/100PA v2

12" · 8 Ω · 100 W · 96.4 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	52.5 Hz
Qts	0.481
Qes	0.52
Qms	6.34
Vas	81.6 L
Sd	539.1 cm²
Xmax	3.4 mm
Re	6.5 Ω
Bl	13.8 T·m
Mms	45.9 g
Pe	100 W
Sensitivity	96.4 dB

Alignment hint

EBP	101 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 70.3 L

EBP > 100: favours a ported (bass-reflex) 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
Monacor SP-12/100PA v4	52.5 =	0.462 -0.02	77.3 -4.3	3.3 -0.1	96.4 =	close	Xmax 3.3 mm < 3.4 mm: lower excursion-limited SPL	+
Davis 31TCA12 vn2	51.8 -0.7	0.484 =	78.4 -3.2	4.6 +1.2	96 -0.4	close		+
Davis 31TCA12 vp2015 n1	51.8 -0.7	0.484 =	78.4 -3.2	4.6 +1.2	96 -0.4	close		+
Davis 31TCA12 N1	51.1 -1.4	0.479 =	84.1 +2.5	4.7 +1.3	96.1 -0.3	close		+
Monacor SP-12/100PA v1	53.3 +0.8	0.472 -0.01	74.8 -6.8	3.3 -0.1	96.4 =	close	Xmax 3.3 mm < 3.4 mm: lower excursion-limited SPL	+
Monacor SPA-112PA	53 +0.5	0.497 +0.02	77 -4.6	4 +0.6	97.1 +0.7	close		+
LaVoce FBASS12-20	53 +0.5	0.46 -0.02	75.41 -6.19	4.3 +0.9	97 +0.6	close		+
RCF L 12/565	55 +2.5	0.497 +0.02	75 -6.6	3.8 +0.4	97.3 +0.9	close		+
Faital PRO 12PR330	52 -0.5	0.49 +0.01	76.3 -5.3	7.27 +3.87	97 +0.6	close	16 Ω vs 8 Ω: amp load changes	+
Davis 31TCA12 vp2015 n2	48.5 -4	0.471 -0.01	85.1 +3.5	4.9 +1.5	95.6 -0.8	close		+

Compare the closest 3 against the SP-12/100PA v2 →

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.