Electro-Voice DL12BFH

12" · 8 Ω · 300 W · 100.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	60 Hz
Qts	0.307
Qes	0.317
Qms	9.611
Vas	55 L
Sd	500 cm²
Xmax	4 mm
Re	4.4 Ω
Bl	15.3 T·m
Mms	44.8 g
Pe	300 W
Sensitivity	100.3 dB

Alignment hint

EBP	189 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 12.8 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
RCF MB 12G300	61 +1	0.301 -0.01	57 +2	4.3 +0.3	100.1 -0.2	close		+
18 Sound 12NCX750	58 -2	0.296 -0.01	63 +8	4.6 +0.6	99.7 -0.6	close		+
Celestion NTR12-3018D	56.4 -3.6	0.295 -0.01	51.8 -3.2	3.9 -0.1	97.9 -2.4	close	Xmax 3.9 mm < 4 mm: lower excursion-limited SPL	+
RCF L 12L750	62 +2	0.271 -0.04	52 -3	3.5 -0.5	100.2 -0.1	close	Xmax 3.5 mm < 4 mm: lower excursion-limited SPL	+
RCF LF 12G300	54 -6	0.285 -0.02	55 =	4.6 +0.6	98.1 -2.2	close		+
RCF 12 CX251	60 =	0.266 -0.04	62 +7	3.7 -0.3	100.6 +0.3	close	Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+
RCF CX 12N251	60 =	0.266 -0.04	62 +7	3.7 -0.3	100.6 +0.3	close	Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+
Fane Colossus 12MB	55 -5	0.286 -0.02	56 +1	5.5 +1.5	98 -2.3	close		+
RCF L 12P530	56 -4	0.269 -0.04	59 +4	3.7 -0.3	99.8 -0.5	close	Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+
B&C 12 FW 64	55 -5	0.293 -0.01	64 +9	3.7 -0.3	99.1 -1.2	close	Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+

Compare the closest 3 against the DL12BFH →

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.