Monacor SPH-390TC vp

15" · 4 Ω · 150 W · 96.2 dB

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	24 Hz
Qts	0.325
Qes	0.348
Qms	4.915
Vas	297 L
Sd	850 cm²
Xmax	6.2 mm
Re	3.6 Ω
Bl	15.3 T·m
Mms	150 g
Pe	150 W
Sensitivity	96.2 dB

Alignment hint

EBP	69 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 79.5 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
Magnat SUPREME 3800	25 +1	0.31 -0.02	271 -26	8.6 +2.4	97.3 +1.1	close		+
TAD TL-1603	28 +4	0.342 +0.02	304 +7	6.8 +0.6	95.5 -0.7	close	8 Ω vs 4 Ω: amp load changes	+
TAD TL-1601 B	28 +4	0.342 +0.02	307 +10	6.8 +0.6	95.5 -0.7	close	8 Ω vs 4 Ω: amp load changes	+
Davis 39GCA15 v2024	26.3 +2.3	0.333 +0.01	347 +50	7.5 +1.3	96.6 +0.4	close	8 Ω vs 4 Ω: amp load changes	+
TAD TL-1601 C	28 +4	0.309 -0.02	304 +7	5.6 -0.6	96 -0.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 5.6 mm < 6.2 mm: lower excursion-limited SPL	+
PHL Audio 5510MNds	30 +6	0.324 =	293 -4	8.7 +2.5	96.6 +0.4	close	8 Ω vs 4 Ω: amp load changes	+
Rockford Fosgate PWR-415	24 =	0.283 -0.04	334 +37	6.2 =	97.4 +1.2	close		+
Focal 15WX	24.4 +0.4	0.353 +0.03	318.9 +21.9	6 -0.2	93.5 -2.7	close	8 Ω vs 4 Ω: amp load changes · Xmax 6 mm < 6.2 mm: lower excursion-limited SPL	+
Focal AUDIOM 15WX	24.4 +0.4	0.353 +0.03	318.9 +21.9	6 -0.2	93.5 -2.7	close	8 Ω vs 4 Ω: amp load changes · Xmax 6 mm < 6.2 mm: lower excursion-limited SPL	+
TAD TL-1601 A	28 +4	0.306 -0.02	304 +7	5.5 -0.7	96 -0.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 5.5 mm < 6.2 mm: lower excursion-limited SPL	+

Compare the closest 3 against the SPH-390TC vp →

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.