Audio Nirvana CLASSIC 10 ALNICO

10" · 8 Ω · 45 W · 93.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	40.6 Hz
Qts	0.559
Qes	0.63
Qms	4.93
Vas	124.6 L
Sd	344 cm²
Xmax	1.3 mm
Re	7.2 Ω
Bl	7.7 T·m
Mms	20.5 g
Pe	45 W
Sensitivity	93.7 dB

Alignment hint

EBP	64 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 207.6 L

EBP 50-100: works in either a sealed or ported 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
Europsonic HP25/100 vp	36.6 -4	0.552 -0.01	124.4 -0.2	5.5 +4.2	91.6 -2.1	usable		+
Audax HT240A0	42 +1.4	0.49 -0.07	101 -23.6	2.4 +1.1	93.4 -0.3	usable		+
SEAS 25F-WBC vp2 Gils	35.1 -5.5	0.58 +0.02	129.6 +5	4 +2.7	90.1 -3.6	usable	16 Ω vs 8 Ω: amp load changes	+
18 Sound D-103	40.6 =	0.522 -0.04	93.7 -30.9	6 +4.7	92.5 -1.2	usable		+
Fostex FP 253 N	37 -3.6	0.429 -0.13	141 +16.4	1.9 +0.6	94.4 +0.7	usable		+
SEAS 25F-WBC vp1 Gils	35.1 -5.5	0.58 +0.02	129.6 +5	6 +4.7	90.1 -3.6	usable	16 Ω vs 8 Ω: amp load changes	+
Blaupunkt ACS1020	38 -2.6	0.562 =	82.1 -42.5	3.8 +2.5	95.1 +1.4	usable	4 Ω vs 8 Ω: amp load changes	+
Sonido SCW-250	37 -3.6	0.399 -0.16	125 +0.4	3 +1.7	94.3 +0.6	usable	30 W vs 45 W: lower power handling	+
Sonido SWR-250	37 -3.6	0.399 -0.16	146 +21.4	1.8 +0.5	94.1 +0.4	usable	15 W vs 45 W: lower power handling	+
Cube F10 SELECT	30 -10.6	0.567 +0.01	121 -3.6	4.6 +3.3	90.2 -3.5	usable	25 W vs 45 W: lower power handling	+

Compare the closest 3 against the CLASSIC 10 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.