Beyma 12"P80/Fe V2

12" · 8 Ω · 700 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	48 Hz
Qts	0.21
Qes	0.22
Qms	6.5
Vas	61 L
Sd	550 cm²
Xmax	7.5 mm
Re	5 Ω
Mms	68 g
Pe	700 W
Sensitivity	99 dB

Alignment hint

EBP	218 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 5.9 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
18 Sound 12ND940	49 +1	0.2 -0.01	64.8 +3.8	7.6 +0.1	100 +1	close		+
B&C 12CL76	48 =	0.21 =	59 -2	6 -1.5	98.5 -0.5	close	350 W vs 700 W: lower power handling · Xmax 6 mm < 7.5 mm: lower excursion-limited SPL	+
Oberton 12NB450	46.46 -1.54	0.204 -0.01	72.57 +11.57	7.75 +0.25	100 +1	close	500 W vs 700 W: lower power handling	+
RCF LF12P903	47 -1	0.23 +0.02	65 +4	7 -0.5	97.8 -1.2	close	500 W vs 700 W: lower power handling · Xmax 7 mm < 7.5 mm: lower excursion-limited SPL	+
18 Sound 12ND930	50 +2	0.21 =	70 +9	6.5 -1	98 -1	close	500 W vs 700 W: lower power handling · Xmax 6.5 mm < 7.5 mm: lower excursion-limited SPL	+
Beyma 12MC700Nd	51 +3	0.24 +0.03	58 -3	7 -0.5	99 =	close	Xmax 7 mm < 7.5 mm: lower excursion-limited SPL	+
Oberton 12B450	46.29 -1.71	0.235 +0.02	71.75 +10.75	7.75 +0.25	99 =	close	450 W vs 700 W: lower power handling	+
B&C 12NDL88	48 =	0.24 +0.03	57 -4	8 +0.5	97 -2	close	4 Ω vs 8 Ω: amp load changes	+
B&C 12NDL76	50 +2	0.2 -0.01	73 +12	7 -0.5	100 +1	close	400 W vs 700 W: lower power handling · Xmax 7 mm < 7.5 mm: lower excursion-limited SPL	+
B&C 12NDL88-4	48 =	0.24 +0.03	57 -4	8 +0.5	95.9 -3.1	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 12"P80/Fe V2 →

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.