AE Speakers TD12M

12" · 8 Ω · 500 W · 97.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	38.1 Hz
Qts	0.25
Qes	0.273
Qms	2.988
Vas	140 L
Sd	531 cm²
Xmax	6 mm
Re	6.6 Ω
Bl	16.9 T·m
Mms	49.4 g
Pe	500 W
Sensitivity	97.3 dB

Alignment hint

EBP	140 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 20 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
Beyma SM112/N	38 -0.1	0.27 +0.02	138 -2	7.3 +1.3	97.2 -0.1	close		+
Dayton Audio APOLLO 12N	38 -0.1	0.261 +0.01	128.1 -11.9	6.8 +0.8	96.4 -0.9	close		+
RCF L 12P400K	34 -4.1	0.241 -0.01	130 -10	6 =	96.3 -1	close	200 W vs 500 W: lower power handling	+
Beyma 12CXA400FE	42 +3.9	0.251 =	119 -21	6 =	98.1 +0.8	close		+
RCF L12P400K	33.7 -4.4	0.25 =	130 -10	6 =	94.7 -2.6	close	200 W vs 500 W: lower power handling	+
Eminence KAPPA PRO 12	37 -1.1	0.241 -0.01	121 -19	4.8 -1.2	97.5 +0.2	close	Xmax 4.8 mm < 6 mm: lower excursion-limited SPL	+
RCF L12/554K	40.3 +2.2	0.23 -0.02	130 -10	5 -1	97.5 +0.2	close	150 W vs 500 W: lower power handling · Xmax 5 mm < 6 mm: lower excursion-limited SPL	+
Eminence Kappa Pro-12A	37 -1.1	0.24 -0.01	121 -19	4.8 -1.2	97.1 -0.2	close	Xmax 4.8 mm < 6 mm: lower excursion-limited SPL	+
McCauley B1240	38 -0.1	0.286 +0.04	110 -30	6.5 +0.5	96.3 -1	close	350 W vs 500 W: lower power handling	+
RCF L 12/544	40 +1.9	0.224 -0.03	130 -10	4.9 -1.1	98.7 +1.4	usable	150 W vs 500 W: lower power handling · Xmax 4.9 mm < 6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the TD12M →

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.