Beyma 15P1200Nd

15" · 8 Ω · 1200 W · 97.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	45 Hz
Qts	0.316
Qes	0.33
Qms	7.73
Vas	84 L
Sd	855 cm²
Xmax	6.8 mm
Re	5.3 Ω
Bl	26.3 T·m
Mms	152.6 g
Pe	1200 W
Sensitivity	97.4 dB

Alignment hint

EBP	136 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 21 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 15P1200Nd/N	42 -3	0.313 =	84.7 +0.7	7.1 +0.3	96.8 -0.6	close		+
Beyma 15"P1000Fe V2	45 =	0.3 -0.02	80.7 -3.3	8 +1.2	98 +0.6	close		+
Beyma 15P1000Nd	45 =	0.347 +0.03	88 +4	6.7 -0.1	97.4 =	close	Xmax 6.7 mm < 6.8 mm: lower excursion-limited SPL	+
Beyma 15P1000FE	45 =	0.368 +0.05	85.9 +1.9	6.9 +0.1	97.1 -0.3	close		+
Beyma 15SW1300ND	44 -1	0.361 +0.04	89.6 +5.6	7.8 +1	97 -0.4	close		+
B&C 14 NDL 88	45 =	0.298 -0.02	102 +18	6.7 -0.1	98.8 +1.4	close	700 W vs 1200 W: lower power handling · Xmax 6.7 mm < 6.8 mm: lower excursion-limited SPL	+
B&C 15NA100	47 +2	0.28 -0.04	88 +4	10 +3.2	98 +0.6	close	800 W vs 1200 W: lower power handling	+
Dayton Audio PN395-8	44.1 -0.9	0.346 +0.03	96.8 +12.8	6.1 -0.7	97.2 -0.2	close	800 W vs 1200 W: lower power handling · Xmax 6.1 mm < 6.8 mm: lower excursion-limited SPL	+
RCF W390	46.4 +1.4	0.299 -0.02	87.7 +3.7	6 -0.8	100 +2.6	close	4 Ω vs 8 Ω: amp load changes · Xmax 6 mm < 6.8 mm: lower excursion-limited SPL	+
B&C 15 TBX 100 v2013	39 -6	0.307 -0.01	96 +12	6.9 +0.1	96.4 -1	close		+

Compare the closest 3 against the 15P1200Nd →

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.