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Oxygen SPHERE 380

10" · 4 Ω · 330 W · 94.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size10"
Impedance4 Ω
Fs24 Hz
Qts0.421
Qes0.46
Qms4.98
Vas293 L
Sd330 cm²
Xmax7 mm
Re3.7 Ω
Bl5.3 T·m
Mms22.9 g
Pe330 W
Sensitivity94.8 dB

Alignment hint

EBP52 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 160.9 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Dynaudio 30W5424 =0.357 -0.06257 -367 =92.3 -2.5usable8 Ω vs 4 Ω: amp load changes · 210 W vs 330 W: lower power handling+
Aurum Cantus AC250MK223 -10.423 =235 -588 +190.2 -4.6usable8 Ω vs 4 Ω: amp load changes · 150 W vs 330 W: lower power handling+
Isophon BS 35-8 vp1224.6 +0.60.417 =365 +724.5 -2.593.1 -1.7usable8 Ω vs 4 Ω: amp load changes · 50 W vs 330 W: lower power handling · Xmax 4.5 mm < 7 mm: lower excursion-limited SPL+
JBL 127H25 +10.433 +0.01237.9 -55.14.8 -2.291.9 -2.9usable8 Ω vs 4 Ω: amp load changes · 50 W vs 330 W: lower power handling · Xmax 4.8 mm < 7 mm: lower excursion-limited SPL+
Aurum Cantus AC250F1D23 -10.444 +0.02184 -1098 +192 -2.8usable150 W vs 330 W: lower power handling+
Ciare HW25023 -10.486 +0.07275 -185 -290.8 -4usable8 Ω vs 4 Ω: amp load changes · 90 W vs 330 W: lower power handling · Xmax 5 mm < 7 mm: lower excursion-limited SPL+
Scan-Speak 25W/8565-0020 -40.407 -0.01229 -646.5 -0.589.8 -5usable8 Ω vs 4 Ω: amp load changes · 100 W vs 330 W: lower power handling · Xmax 6.5 mm < 7 mm: lower excursion-limited SPL+
Focal 10V 516J22.3 -1.70.39 -0.03180 -1137.5 +0.590.7 -4.1usable8 Ω vs 4 Ω: amp load changes · 150 W vs 330 W: lower power handling+
Isophon BS 35-8 vp0626.8 +2.80.479 +0.06259 -344.5 -2.592 -2.8usable8 Ω vs 4 Ω: amp load changes · 50 W vs 330 W: lower power handling · Xmax 4.5 mm < 7 mm: lower excursion-limited SPL+
Audax HD24S34KC24 =0.474 +0.05254 -394 -391 -3.8usable8 Ω vs 4 Ω: amp load changes · 60 W vs 330 W: lower power handling · Xmax 4 mm < 7 mm: lower excursion-limited SPL+

Compare the closest 3 against the SPHERE 380 →

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.