Beyma 12 P1000/Nd

12" · 8 Ω · 900 W · 96 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	47 Hz
Qts	0.26
Qes	0.27
Qms	7.9
Vas	49 L
Sd	550 cm²
Xmax	8 mm
Re	5.1 Ω
Mms	100 g
Pe	900 W
Sensitivity	96 dB

Alignment hint

EBP	174 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 7.7 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 12P1000ND	47 =	0.26 =	49 =	8 =	94.6 -1.4	close	450 W vs 900 W: lower power handling	+
RCF LF12X401	45 -2	0.27 +0.01	50 +1	9 +1	96.5 +0.5	close		+
Beyma 12SW1300ND	45 -2	0.264 =	45 -4	7 -1	95.9 -0.1	close	Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
Sica 12 K 4 PL	48.5 +1.5	0.25 -0.01	47.4 -1.6	7 -1	97.1 +1.1	close	Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
B&C 12NDL88-4	48 +1	0.24 -0.02	57 +8	8 =	95.9 -0.1	close	4 Ω vs 8 Ω: amp load changes · 700 W vs 900 W: lower power handling	+
B&C 12NDL88	51 +4	0.27 +0.01	52 +3	8 =	98 +2	close	700 W vs 900 W: lower power handling	+
Faital PRO 12FX600	48 +1	0.24 -0.02	44.4 -4.6	9.9 +1.9	97 +1	close	700 W vs 900 W: lower power handling	+
B&C 12PS100	44 -3	0.27 +0.01	47 -2	8 =	93 -3	close	700 W vs 900 W: lower power handling	+
B&C 12NDL88	48 +1	0.24 -0.02	57 +8	8 =	97 +1	close	4 Ω vs 8 Ω: amp load changes · 700 W vs 900 W: lower power handling	+
Beyma 12"LEX1300Nd	45 -2	0.24 -0.02	43 -6	11 +3	96 =	close		+

Compare the closest 3 against the 12 P1000/Nd →

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.