Supravox 400-2000EXC_14V

15" · 8 Ω · 120 W · 97.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	25 Hz
Qts	0.214
Qes	0.219
Qms	9.935
Vas	439 L
Sd	855 cm²
Xmax	5 mm
Re	6.5 Ω
Bl	21 T·m
Mms	94.6 g
Pe	120 W
Sensitivity	97.8 dB

Alignment hint

EBP	114 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 44.3 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
Supravox 400-2000EXC_13V	25 =	0.236 +0.02	438 -1	5 =	97.4 -0.4	close		+
Supravox 400-2000EXC_15V	25 =	0.196 -0.02	429 -10	4.9 -0.1	98.1 +0.3	close	Xmax 4.9 mm < 5 mm: lower excursion-limited SPL	+
Fostex L 470	25 =	0.203 -0.01	457 +18	4.2 -0.8	98 +0.2	close	Xmax 4.2 mm < 5 mm: lower excursion-limited SPL	+
JBL 2234H	23 -2	0.222 +0.01	458.7 +19.7	5.1 +0.1	96.7 -1.1	close		+
Davis 40RCA15 vp3	26.2 +1.2	0.218 =	380.7 -58.3	5 =	98.6 +0.8	close		+
Supravox 400 GN-A	23 -2	0.196 -0.02	448 +9	5 =	97.2 -0.6	close		+
Fluxmag 1504B	22.5 -2.5	0.224 +0.01	433.8 -5.2	7.3 +2.3	97 -0.8	close		+
Audax PR380M2 v2009	25 =	0.191 -0.02	380 -59	5.5 +0.5	98.2 +0.4	close		+
Altec 604-2	27.1 +2.1	0.213 =	446 +7	3.8 -1.2	98.6 +0.8	close	Xmax 3.8 mm < 5 mm: lower excursion-limited SPL	+
Altec 604-E	27.1 +2.1	0.213 =	446 +7	3.8 -1.2	98.6 +0.8	close	Xmax 3.8 mm < 5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 400-2000EXC_14V →

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.