Beyma 12"MI100

12" · 8 Ω · 450 W · 100 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	58 Hz
Qts	0.22
Qes	0.23
Qms	5.5
Vas	64 L
Sd	530 cm²
Xmax	3 mm
Re	6.3 Ω
Mms	47 g
Pe	450 W
Sensitivity	100 dB

Alignment hint

EBP	252 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 6.9 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 12MI100	58 =	0.221 =	64 =	4.2 +1.2	100.4 +0.4	close		+
JBL 2020 H	60 +2	0.228 +0.01	65 +1	4 +1	101.9 +1.9	close		+
JBL 2020H	60 +2	0.228 +0.01	65 +1	4 +1	101.9 +1.9	close		+
PD PDN 12MH25	58.2 +0.2	0.211 -0.01	58.7 -5.3	2.6 -0.4	100.6 +0.6	close	300 W vs 450 W: lower power handling · Xmax 2.6 mm < 3 mm: lower excursion-limited SPL	+
Precision Devices PDN 12MH25	58.2 +0.2	0.211 -0.01	58.7 -5.3	2.6 -0.4	100.6 +0.6	close	300 W vs 450 W: lower power handling · Xmax 2.6 mm < 3 mm: lower excursion-limited SPL	+
18 Sound 12ND830	58 =	0.24 +0.02	63 -1	6.5 +3.5	99 -1	close	4 Ω vs 8 Ω: amp load changes	+
RCF MB 12N351	55 -3	0.201 -0.02	61 -3	4.7 +1.7	100.4 +0.4	close		+
Monacor SP-30A/250PA	52 -6	0.239 +0.02	62 -2	3.4 +0.4	99.1 -0.9	close	250 W vs 450 W: lower power handling	+
JBL M121-8	60 +2	0.235 +0.01	70.8 +6.8	3.6 +0.6	101.7 +1.7	close	300 W vs 450 W: lower power handling	+
B&C 12 CXN 88	50 -8	0.224 =	59 -5	4 +1	99.1 -0.9	close		+

Compare the closest 3 against the 12"MI100 →

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.