SpeaKa 150/180

10" · 8 Ω · 150 W · 87.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	32 Hz
Qts	0.679
Qes	0.81
Qms	4.2
Vas	80.2 L
Sd	415.5 cm²
Xmax	4 mm
Re	7.16 Ω
Bl	11.5 T·m
Mms	74.7 g
Pe	150 W
Sensitivity	87.6 dB

Alignment hint

EBP	40 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 949.1 L

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 TS25-180D	34 +2	0.767 +0.09	73.5 -6.7	4 =	87 -0.6	close	90 W vs 150 W: lower power handling	+
Peerless SLS10 P830668 v2009	33 +1	0.591 -0.09	75.7 -4.5	5.8 +1.8	89.7 +2.1	close	70 W vs 150 W: lower power handling	+
Skytronic 902.214	34.3 +2.3	0.595 -0.08	70.2 -10	6.1 +2.1	87.7 +0.1	close		+
Kenford HW-1006	37 +5	0.787 +0.11	75 -5.2	4.7 +0.7	88.3 +0.7	usable		+
Oxygen ALIUM 253	34 +2	0.64 -0.04	73.4 -6.8	5.7 +1.7	91.6 +4	usable	4 Ω vs 8 Ω: amp load changes · 85 W vs 150 W: lower power handling	+
Sphynx SP-W10-SQP	35 +3	0.675 =	63 -17.2	3 -1	87.1 -0.5	usable	100 W vs 150 W: lower power handling · Xmax 3 mm < 4 mm: lower excursion-limited SPL	+
Peerless SLS10 P830668 v2012	32 =	0.545 -0.13	72.9 -7.3	5.7 +1.7	89.6 +2	usable	70 W vs 150 W: lower power handling	+
JL Audio 10IB4	37.5 +5.5	0.771 +0.09	82.9 +2.7	7 +3	89.6 +2	usable	100 W vs 150 W: lower power handling	+
Europsonic HP25-180	34 +2	0.777 +0.1	86.3 +6.1	3 -1	89.3 +1.7	usable	90 W vs 150 W: lower power handling · Xmax 3 mm < 4 mm: lower excursion-limited SPL	+
GRS 10SW-4	34 +2	0.634 -0.05	57.5 -22.7	6.3 +2.3	89.5 +1.9	usable		+

Compare the closest 3 against the 150/180 →

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.