LaVoce NBASS15-30

15" · 8 Ω · 400 W · 98.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	42 Hz
Qts	0.36
Qes	0.38
Qms	8.56
Vas	143.06 L
Sd	855 cm²
Xmax	6.6 mm
Re	5.1 Ω
Bl	19.2 T·m
Mms	102.1 g
Pe	400 W
Sensitivity	98.5 dB

Alignment hint

EBP	111 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 50.1 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
Faital PRO 15FH500 vp3	40.8 -1.2	0.343 -0.02	141.8 -1.26	6.7 +0.1	98.2 -0.3	close		+
LaVoce WAF153.00	43 +1	0.374 +0.01	146 +2.94	6.5 -0.1	99 +0.5	close	Xmax 6.5 mm < 6.6 mm: lower excursion-limited SPL	+
Oberton 15NCX	43.7 +1.7	0.361 =	138.5 -4.56	6.1 -0.5	98.8 +0.3	close	Xmax 6.1 mm < 6.6 mm: lower excursion-limited SPL	+
MC Kenzie C15.500BS	45 +3	0.35 -0.01	145 +1.94	6.5 -0.1	98.8 +0.3	close	Xmax 6.5 mm < 6.6 mm: lower excursion-limited SPL	+
Beyma 15MC700	41 -1	0.352 -0.01	153 +9.94	7.4 +0.8	97.7 -0.8	close		+
Eminence KAPPA PRO 15 LF	46 +4	0.373 +0.01	142.2 -0.86	6.7 +0.1	98.9 +0.4	close		+
B&C 15CL76	42 =	0.33 -0.03	135 -8.06	7 +0.4	98.5 =	close		+
RCF L 15P542K	45 +3	0.355 -0.01	146 +2.94	6.2 -0.4	98 -0.5	close	Xmax 6.2 mm < 6.6 mm: lower excursion-limited SPL	+
Faital PRO 15FH500 vp2	40 -2	0.335 -0.02	146.9 +3.84	6.7 +0.1	98.3 -0.2	close		+
Beyma 15MCB700	44 +2	0.34 -0.02	148 +4.94	7 +0.4	99 +0.5	close		+

Compare the closest 3 against the NBASS15-30 →

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.