the box Speaker 10-250/8-A

10" · 8 Ω · 250 W · 95.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	56.8 Hz
Qts	0.38
Qes	0.4
Qms	7.56
Vas	33.3 L
Sd	350 cm²
Xmax	4 mm
Re	5.8 Ω
Bl	14.5 T·m
Mms	40.5 g
Pe	250 W
Sensitivity	95.2 dB

Alignment hint

EBP	142 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 13.5 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
B&C 10 CL 51 v2024	58 +1.2	0.375 -0.01	36 +2.7	3.9 -0.1	96.1 +0.9	close	150 W vs 250 W: lower power handling · Xmax 3.9 mm < 4 mm: lower excursion-limited SPL	+
B&C 10CL51	58 +1.2	0.38 =	36 +2.7	5.5 +1.5	96 +0.8	close	150 W vs 250 W: lower power handling	+
Monacor SP-10A/300PA	55 -1.8	0.357 -0.02	34 +0.7	3.8 -0.2	94.6 -0.6	close	Xmax 3.8 mm < 4 mm: lower excursion-limited SPL	+
Ciare PFXI10.50W	58 +1.2	0.374 -0.01	38.5 +5.2	4.4 +0.4	96 +0.8	close		+
Faital PRO 10FE400	60 +3.2	0.41 +0.03	33.6 +0.3	5.62 +1.62	95 -0.2	close	4 Ω vs 8 Ω: amp load changes	+
B&C 10 CL 51	60 +3.2	0.394 +0.01	31 -2.3	3.7 -0.3	95.7 +0.5	close	150 W vs 250 W: lower power handling · Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+
Sica 10 Fe 2.5 CP	57 +0.2	0.37 -0.01	39.7 +6.4	4 =	96.3 +1.1	close		+
Faital PRO 10PR330	60 +3.2	0.36 -0.02	32.9 -0.4	7.27 +3.27	95 -0.2	close	16 Ω vs 8 Ω: amp load changes	+
SICA 10 FE 2.5 CP v2017	57 +0.2	0.365 -0.02	39.7 +6.4	4 =	96.3 +1.1	close		+
Jensen SMOOTH BS 10N/250A	58 +1.2	0.429 +0.05	30.9 -2.4	4.7 +0.7	95.1 -0.1	close		+

Compare the closest 3 against the Speaker 10-250/8-A →

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.