Monacor SP-250C

10" · 4 Ω · 100 W · 94.8 dB

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	35 Hz
Qts	0.409
Qes	0.47
Qms	3.15
Vas	96 L
Sd	353 cm²
Xmax	5 mm
Re	3.7 Ω
Bl	8.1 T·m
Mms	37.6 g
Pe	100 W
Sensitivity	94.8 dB

Alignment hint

EBP	74 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 48.3 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
Carpower SP-252C	35 =	0.409 =	96 =	5 =	94.8 =	close		+
Eminence LEGEND BP102	35 =	0.432 +0.02	91.2 -4.8	6.2 +1.2	92.7 -2.1	close	8 Ω vs 4 Ω: amp load changes	+
Eminence LEGEND BP102 4 Ohms	34.5 -0.5	0.385 -0.02	103.8 +7.8	6.2 +1.2	97 +2.2	close		+
Davis 25GC10R	37.2 +2.2	0.397 -0.01	80.9 -15.1	5.7 +0.7	93.5 -1.3	close	8 Ω vs 4 Ω: amp load changes	+
JBL LE10A	30 -5	0.41 =	101.9 +5.9	6.1 +1.1	92.5 -2.3	close	8 Ω vs 4 Ω: amp load changes · 60 W vs 100 W: lower power handling	+
Volt B250	31.7 -3.3	0.377 -0.03	104 +8	6 +1	92.8 -2	close	8 Ω vs 4 Ω: amp load changes	+
Davis 25SCA10T	41 +6	0.449 +0.04	91.3 -4.7	4.8 -0.2	93.4 -1.4	close	8 Ω vs 4 Ω: amp load changes · 60 W vs 100 W: lower power handling · Xmax 4.8 mm < 5 mm: lower excursion-limited SPL	+
SICA Z005780	31.7 -3.3	0.455 +0.05	92.6 -3.4	8.9 +3.9	93.5 -1.3	close		+
Focal 10V 6411	32.9 -2.1	0.378 -0.03	116.9 +20.9	7 +2	93.4 -1.4	usable	8 Ω vs 4 Ω: amp load changes	+
HiVi W10	35 =	0.368 -0.04	81.4 -14.6	6.2 +1.2	91.8 -3	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the SP-250C →

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.