Boston Acoustics PRO 12 SLF

12" · 2 Ω · 200 W · 95.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	2 Ω
Fs	30 Hz
Qts	0.448
Qes	0.47
Qms	9.8
Vas	84 L
Sd	510 cm²
Xmax	6.8 mm
Re	1.6 Ω
Bl	8.9 T·m
Mms	122.2 g
Pe	200 W
Sensitivity	95.8 dB

Alignment hint

EBP	64 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 56.3 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
Ciare HSB322-22	35 +5	0.42 -0.03	83 -1	7.5 +0.7	95 -0.8	close	4 Ω vs 2 Ω: amp load changes	+
Magnat POWER BULL 300	33 +3	0.479 +0.03	82 -2	8.1 +1.3	93 -2.8	close	4 Ω vs 2 Ω: amp load changes	+
Morel PRIMO 12	28 -2	0.474 +0.03	85 +1	8 +1.2	91.5 -4.3	close	4 Ω vs 2 Ω: amp load changes	+
Magnat AD300	30 =	0.411 -0.04	72 -12	7.3 +0.5	92.8 -3	close	4 Ω vs 2 Ω: amp load changes	+
Tymphany LAT 500-04	28 -2	0.474 +0.03	81 -3	7.7 +0.9	91.6 -4.2	close	4 Ω vs 2 Ω: amp load changes	+
Magnat AD 300 Séries II	30 =	0.411 -0.04	72 -12	7.3 +0.5	92.6 -3.2	close	4 Ω vs 2 Ω: amp load changes	+
Rythmik Audio DS1200	26 -4	0.444 =	88 +4	8.8 +2	91.7 -4.1	usable	4 Ω vs 2 Ω: amp load changes	+
Nakamichi SP-W30S	27.8 -2.2	0.464 +0.02	92.3 +8.3	6.6 -0.2	91.3 -4.5	usable	4 Ω vs 2 Ω: amp load changes · Xmax 6.6 mm < 6.8 mm: lower excursion-limited SPL	+
Infinity 1230W	27.3 -2.7	0.437 -0.01	78.5 -5.5	7.9 +1.1	91 -4.8	usable	4 Ω vs 2 Ω: amp load changes	+
Infinity 1262W DVC	25 -5	0.457 +0.01	80.1 -3.9	6.5 -0.3	92.5 -3.3	usable	Xmax 6.5 mm < 6.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the PRO 12 SLF →

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.