Monacor SPH-380TC série

15" · 8 Ω · 250 W · 91.9 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	21.5 Hz
Qts	0.279
Qes	0.31
Qms	2.81
Vas	275 L
Sd	845 cm²
Xmax	7.4 mm
Re	7.2 Ω
Bl	25 T·m
Mms	199.4 g
Pe	250 W
Sensitivity	91.9 dB

Alignment hint

EBP	69 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 50.7 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
Dayton Audio ST385-8	18.8 -2.7	0.317 +0.04	301 +26	7.9 +0.5	91.2 -0.7	close		+
Rythmik Audio DS1501	17.5 -4	0.315 +0.04	295 +20	7.5 +0.1	92.9 +1	usable	4 Ω vs 8 Ω: amp load changes	+
Oxygen ALIUM 380	18 -3.5	0.3 +0.02	322 +47	7.9 +0.5	93.3 +1.4	usable	4 Ω vs 8 Ω: amp load changes	+
Focal 38VX	22.3 +0.8	0.279 =	347 +72	8.2 +0.8	96.9 +5	usable	4 Ω vs 8 Ω: amp load changes	+
Monacor SPH-390TC 4 Ohms	23 +1.5	0.277 =	284 +9	5.8 -1.6	96.7 +4.8	usable	4 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling · Xmax 5.8 mm < 7.4 mm: lower excursion-limited SPL	+
Monacor SPH-390TC 4 Ohms v2017	23 +1.5	0.277 =	284 +9	5.8 -1.6	96.7 +4.8	usable	4 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling · Xmax 5.8 mm < 7.4 mm: lower excursion-limited SPL	+
Audiotechnology FLEXUNIT 15 F 102 25 10 KAP	22 +0.5	0.29 +0.01	410 +135	8.6 +1.2	93.5 +1.6	usable		+
TC Sounds TC2000 vp	18 -3.5	0.323 +0.04	267 -8	14 +6.6	92.5 +0.6	usable	4 Ω vs 8 Ω: amp load changes	+
Peerless SLS15	24.1 +2.6	0.268 -0.01	321.5 +46.5	6.4 -1	94.8 +2.9	usable	Xmax 6.4 mm < 7.4 mm: lower excursion-limited SPL	+
Visaton TIW400	23 +1.5	0.348 +0.07	300 +25	10.6 +3.2	93.3 +1.4	usable		+

Compare the closest 3 against the SPH-380TC série →

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.