Focal 27 H

10" · 4 Ω · 200 W · 93.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	46.6 Hz
Qts	0.499
Qes	0.53
Qms	8.47
Vas	30.4 L
Sd	346.4 cm²
Xmax	5 mm
Re	3.1 Ω
Bl	10.5 T·m
Mms	64.5 g
Pe	200 W
Sensitivity	93.7 dB

Alignment hint

EBP	88 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 30.2 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
LaVoce SSF102.50L V2	44 -2.6	0.493 -0.01	30.7 +0.3	7.1 +2.1	90.3 -3.4	close	8 Ω vs 4 Ω: amp load changes	+
LaVoce SSF102.40 4 Ohms	43 -3.6	0.56 +0.06	30 -0.4	5.7 +0.7	92.2 -1.5	close		+
LaVoce SSF102.50L	50 +3.4	0.475 -0.02	25.6 -4.8	5.7 +0.7	91.4 -2.3	close	8 Ω vs 4 Ω: amp load changes	+
Zeuz 10500X	48.4 +1.8	0.445 -0.05	34.6 +4.2	4.3 -0.7	94.5 +0.8	close	Xmax 4.3 mm < 5 mm: lower excursion-limited SPL	+
Audison AV10	41 -5.6	0.539 +0.04	30.7 +0.3	7 +2	90.4 -3.3	usable		+
PHL Audio 3002 v2010	48.6 +2	0.436 -0.06	29 -1.4	4 -1	92.3 -1.4	usable	8 Ω vs 4 Ω: amp load changes · Xmax 4 mm < 5 mm: lower excursion-limited SPL	+
JBL GT2-10	43.9 -2.7	0.572 +0.07	37.9 +7.5	5.7 +0.7	93.2 -0.5	usable		+
LaVoce SSF102.50L vp	48 +1.4	0.544 +0.05	26 -4.4	6.3 +1.3	90.3 -3.4	usable	8 Ω vs 4 Ω: amp load changes	+
Goldwood GW-10PC/4	43.1 -3.5	0.404 -0.09	32.7 +2.3	4.8 -0.2	92.9 -0.8	usable	Xmax 4.8 mm < 5 mm: lower excursion-limited SPL	+
SICA PL10B25S	57.6 +11	0.438 -0.06	30.9 +0.5	4.8 -0.2	94.9 +1.2	usable	8 Ω vs 4 Ω: amp load changes · Xmax 4.8 mm < 5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 27 H →

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.