Audio Nirvana CLASSIC 15 ALNICO

15" · 8 Ω · 80 W · 92.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	31.5 Hz
Qts	0.98
Qes	1.16
Qms	6.31
Vas	384.2 L
Sd	851 cm²
Xmax	1 mm
Re	7.2 Ω
Bl	9.1 T·m
Mms	67.5 g
Pe	80 W
Sensitivity	92.6 dB

Alignment hint

EBP	27 · sealed
Sealed Vb (Qtc ≈ 0.71)	Qts too high

EBP < 50: favours a sealed (closed) 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
Audio Nirvana SUPER 15 ALNICO	28.6 -2.9	0.954 -0.03	492.8 +108.6	1 =	92 -0.6	close		+
Altec 420A vp Daniel 2	27.6 -3.9	0.919 -0.06	413.4 +29.2	2.8 +1.8	93.1 +0.5	usable	25 W vs 80 W: lower power handling	+
Europsonic TS30/250D	34 +2.5	1.067 +0.09	402.5 +18.3	5.4 +4.4	92.7 +0.1	usable		+
Europsonic TS38/300D	28 -3.5	0.994 +0.01	382.6 -1.6	6 +5	90.3 -2.3	usable		+
Jinwey YDA-380-8	33.8 +2.3	0.922 -0.06	278.8 -105.4	3 +2	92.3 -0.3	usable		+
Mercuriale HTR 386 M0	32 +0.5	1.255 +0.27	428.8 +44.6	3.6 +2.6	91.6 -1	usable		+
Supravox 400-2000EXC_05V	25 -6.5	1.011 +0.03	434 +49.8	5 +4	90.9 -1.7	usable		+
Carpower SP-382C	30 -1.5	1.279 +0.3	320 -64.2	3.5 +2.5	92.1 -0.5	usable	4 Ω vs 8 Ω: amp load changes	+
Goldwood GW-215/40/8	30.5 -1	1.087 +0.11	261.2 -123	3.5 +2.5	89.8 -2.8	usable		+
Altec 420A vp Daniel 3	26.9 -4.6	0.694 -0.29	393.7 +9.5	2.8 +1.8	93.9 +1.3	usable	25 W vs 80 W: lower power handling	+

Compare the closest 3 against the CLASSIC 15 ALNICO →

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.