Supravox 400-2000EXC_11V

15" · 8 Ω · 120 W · 96.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	25 Hz
Qts	0.308
Qes	0.317
Qms	11.49
Vas	433 L
Sd	855 cm²
Xmax	5 mm
Re	6.5 Ω
Bl	17.6 T·m
Mms	95.9 g
Pe	120 W
Sensitivity	96.2 dB

Alignment hint

EBP	79 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 101.4 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
Supravox 400 GMF	26 +1	0.319 +0.01	489 +56	5 =	97 +0.8	close		+
Davis 40RCA15 vp2	26.6 +1.6	0.309 =	410 -23	5 =	98.6 +2.4	close		+
Altec 3154	25 =	0.322 +0.01	393.6 -39.4	6.4 +1.4	95 -1.2	close		+
Great Plains Audio 3154 GPA	25 =	0.322 +0.01	393.6 -39.4	6.4 +1.4	95 -1.2	close		+
Great Plains Audio 515-8C GPA	27.8 +2.8	0.299 -0.01	422.5 -10.5	4.7 -0.3	97.6 +1.4	close	75 W vs 120 W: lower power handling · Xmax 4.7 mm < 5 mm: lower excursion-limited SPL	+
AE Speakers TD15X 8 Ohms	23.2 -1.8	0.287 -0.02	467 +34	7 +2	96.3 +0.1	close		+
Great Plains Audio 604E-II v2012	26.2 +1.2	0.301 -0.01	415.2 -17.8	3.8 -1.2	96.1 -0.1	close	Xmax 3.8 mm < 5 mm: lower excursion-limited SPL	+
Supravox 400-2000	23 -2	0.272 -0.04	450 +17	5 =	95.8 -0.4	close		+
Davis 39GCA15	23.6 -1.4	0.33 +0.02	402 -31	7.5 +2.5	95.6 -0.6	close		+
Focal 15VX	24 -1	0.286 -0.02	380 -53	6 +1	95.3 -0.9	close		+

Compare the closest 3 against the 400-2000EXC_11V →

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.