ATC PA75-234 BLCR

10" · 8 Ω · 75 W · 92.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	27 Hz
Qts	0.181
Qes	0.213
Qms	1.2
Vas	79 L
Sd	300 cm²
Xmax	4 mm
Re	5.4 Ω
Bl	15.4 T·m
Mms	55.5 g
Pe	75 W
Sensitivity	92.3 dB

Alignment hint

EBP	127 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 5.5 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
Fostex FW 220	29 +2	0.195 +0.01	76 -3	3.7 -0.3	92.5 +0.2	close	50 W vs 75 W: lower power handling · Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+
ATC SB75-234 LC vp #22307	26 -1	0.169 -0.01	70 -9	3.7 -0.3	91.6 -0.7	close	Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+
JBL LE111A	25 -2	0.175 -0.01	101.9 +22.9	4.8 +0.8	92.9 +0.6	close		+
Monacor SPH-250TC v2009	26 -1	0.25 +0.07	84 +5	4.5 +0.5	93.1 +0.8	usable	4 Ω vs 8 Ω: amp load changes	+
Monacor SPH-250TC v2011	26 -1	0.25 +0.07	84 +5	4.5 +0.5	93.1 +0.8	usable	4 Ω vs 8 Ω: amp load changes	+
Volt BM2500.4	32 +5	0.213 +0.03	73 -6	6.6 +2.6	93.3 +1	usable		+
Blaupunkt TSW 250	27 =	0.259 +0.08	67.8 -11.2	5.6 +1.6	92.3 =	usable	4 Ω vs 8 Ω: amp load changes	+
ATC SB75-234 LC	26 -1	0.224 +0.04	120 +41	5 +1	91.8 -0.5	usable		+
ATS Acoustics HG25 vp Double ferrite	29.8 +2.8	0.26 +0.08	94.2 +15.2	4 =	92.6 +0.3	usable		+
David Eden EC1060XS8	39 +12	0.18 =	78 -1	4.3 +0.3	99 +6.7	usable	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the PA75-234 BLCR →

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.