Monacor SP-250PA v2017

10" · 8 Ω · 125 W · 91.7 dB

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	48 Hz
Qts	0.779
Qes	0.98
Qms	3.8
Vas	72 L
Sd	346 cm²
Xmax	4.3 mm
Re	6.9 Ω
Bl	7.4 T·m
Mms	25.6 g
Pe	125 W
Sensitivity	91.7 dB

Alignment hint

EBP	49 · sealed
Sealed Vb (Qtc ≈ 0.71)	Qts too high

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
Europsonic HP20/150C	45 -3	0.75 -0.03	75 +3	4.4 +0.1	90.3 -1.4	close	16 Ω vs 8 Ω: amp load changes · 75 W vs 125 W: lower power handling	+
Sphynx SP-W10-SONO	44 -4	0.809 +0.03	72 =	4 -0.3	90.4 -1.3	close	Xmax 4 mm < 4.3 mm: lower excursion-limited SPL	+
Sphynx SP-W250-PP	43 -5	0.794 +0.02	65.8 -6.2	4 -0.3	90.1 -1.6	close	80 W vs 125 W: lower power handling · Xmax 4 mm < 4.3 mm: lower excursion-limited SPL	+
Hyper Phase BF10R	45 -3	0.831 +0.05	78 +6	3.5 -0.8	90.8 -0.9	close	60 W vs 125 W: lower power handling · Xmax 3.5 mm < 4.3 mm: lower excursion-limited SPL	+
Kenford HW-1006	37 -11	0.787 +0.01	75 +3	4.7 +0.4	88.3 -3.4	usable		+
JL Audio 10IB4	37.5 -10.5	0.771 -0.01	82.9 +10.9	7 +2.7	89.6 -2.1	usable		+
Eminence LEGEND B810	52.1 +4.1	0.648 -0.13	66.4 -5.6	4.7 +0.4	88 -3.7	usable	32 Ω vs 8 Ω: amp load changes	+
Ciare HX255	43 -5	0.577 -0.2	75.9 +3.9	4.8 +0.5	93.2 +1.5	usable		+
Faital PRO 10FE200	55 +7	0.69 -0.09	61.7 -10.3	4.67 +0.37	96 +4.3	usable		+
Focal 27 F	43.7 -4.3	0.82 +0.04	45.5 -26.5	5.8 +1.5	92.8 +1.1	usable	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the SP-250PA v2017 →

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.