Beyma 15G450/N v2015

15" · 8 Ω · 750 W · 97.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	44 Hz
Qts	0.342
Qes	0.36
Qms	7
Vas	106 L
Sd	880 cm²
Xmax	6.2 mm
Re	5.6 Ω
Bl	24 T·m
Mms	134 g
Pe	750 W
Sensitivity	97.5 dB

Alignment hint

EBP	122 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 32.4 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
Dayton Audio PN395-8	44.1 +0.1	0.346 =	96.8 -9.2	6.1 -0.1	97.2 -0.3	close	Xmax 6.1 mm < 6.2 mm: lower excursion-limited SPL	+
Celestion FTR15-4080HDX	40.5 -3.5	0.33 -0.01	104.3 -1.7	7.3 +1.1	96.8 -0.7	close		+
Beyma 15P1000Nd	45 +1	0.347 =	88 -18	6.7 +0.5	97.4 -0.1	close		+
Beyma 15G450	45 +1	0.32 -0.02	115 +9	6.2 =	98.5 +1	close		+
Beyma 15G450/N	45 +1	0.32 -0.02	115 +9	6.2 =	98.5 +1	close		+
the box 15LB100-8W	40.9 -3.1	0.334 -0.01	113.5 +7.5	5.5 -0.7	97.1 -0.4	close	500 W vs 750 W: lower power handling · Xmax 5.5 mm < 6.2 mm: lower excursion-limited SPL	+
B&C 15 NDL 88	45 +1	0.34 =	126 +20	6.6 +0.4	99.1 +1.6	close		+
PD PD 155N01	45 +1	0.313 -0.03	113.4 +7.4	5.7 -0.5	98 +0.5	close	Xmax 5.7 mm < 6.2 mm: lower excursion-limited SPL	+
Precision Devices PD 155N01	45 +1	0.313 -0.03	113.4 +7.4	5.7 -0.5	98 +0.5	close	Xmax 5.7 mm < 6.2 mm: lower excursion-limited SPL	+
Beyma 15SW1300ND	44 =	0.361 +0.02	89.6 -16.4	7.8 +1.6	97 -0.5	close		+

Compare the closest 3 against the 15G450/N v2015 →

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.