Audiobahn AW120T

12" · 4 Ω · 500 W · 87.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	32.4 Hz
Qts	0.39
Qes	0.42
Qms	4.4
Vas	45 L
Sd	450 cm²
Xmax	9 mm
Re	3.3 Ω
Bl	15.7 T·m
Mms	153.7 g
Pe	500 W
Sensitivity	87.5 dB

Alignment hint

EBP	77 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 19.7 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
Pioneer TS-W126C(PREMIER)	32.6 +0.2	0.42 +0.03	55.614 +10.61	8.7 -0.3	88.4 +0.9	close	Xmax 8.7 mm < 9 mm: lower excursion-limited SPL	+
DLS ULTIMATE IRIDIUM 12	33.8 +1.4	0.386 =	49.2 +4.2	7 -2	88.8 +1.3	close	8 Ω vs 4 Ω: amp load changes · Xmax 7 mm < 9 mm: lower excursion-limited SPL	+
Ground Zero GZRW 12XS-AL	30 -2.4	0.395 +0.01	52 +7	8.9 -0.1	90.4 +2.9	close	Xmax 8.9 mm < 9 mm: lower excursion-limited SPL	+
B&C 12 FG 100	34 +1.6	0.362 -0.03	49 +4	9.5 +0.5	91 +3.5	close	8 Ω vs 4 Ω: amp load changes	+
Alpine SWR-12D2 vp	27 -5.4	0.441 +0.05	46 +1	10 +1	87.8 +0.3	close	8 Ω vs 4 Ω: amp load changes	+
B&C 12FG100	34 +1.6	0.36 -0.03	49 +4	10.3 +1.3	91 +3.5	close	8 Ω vs 4 Ω: amp load changes	+
Hifonics ZX1284	33 +0.6	0.38 -0.01	63 +18	9 =	89.2 +1.7	close		+
Hertz Audio HX 300	33 +0.6	0.47 +0.08	49.62 +4.62	14 +5	87.1 -0.4	close		+
MTX Audio TX612	27 -5.4	0.393 =	42.7 -2.3	9.7 +0.7	91 +3.5	close		+
TC Sounds LMS R12	28 -4.4	0.43 +0.04	39 -6	10.8 +1.8	87.7 +0.2	close		+

Compare the closest 3 against the AW120T →

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.