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University Sound C-15W-2S

15" · 8 Ω · 250 W · 109.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance8 Ω
Fs62.5 Hz
Qts0.157
Qes0.16
Qms10
Vas286 L
Sd853.3 cm²
Xmax3 mm
Re6.7 Ω
Bl19.5 T·m
Mms23.1 g
Pe250 W
Sensitivity109.1 dB

Alignment hint

EBP391 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 14.8 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
University Sound C-15W-2P62.5 =0.244 +0.09286 =3 =113.2 +4.1usable2 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling+
Audax PR380W050 -12.50.158 =189 -973.2 +0.2105.5 -3.6usable+
University Sound C-15W-1S58 -4.50.215 +0.06232 -543 =106.5 -2.6usable+
RCF L 15P/0259 -3.50.272 +0.12266 -203.8 +0.8105.4 -3.7usable+
Peavey 1504 v198135 -27.50.17 +0.01312 +264 +1104.4 -4.7usable4 Ω vs 8 Ω: amp load changes+
JBL 2220H37 -25.50.174 +0.02297.3 +11.32.7 -0.3102.7 -6.4usable100 W vs 250 W: lower power handling · Xmax 2.7 mm < 3 mm: lower excursion-limited SPL+
Yamaha JA-388238.1 -24.40.157 =253.1 -32.93.1 +0.199.1 -10usable16 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling+
JBL E13040 -22.50.188 +0.03297.3 +11.32.5 -0.5102.6 -6.5usable150 W vs 250 W: lower power handling · Xmax 2.5 mm < 3 mm: lower excursion-limited SPL+
Tannoy K380835 -27.50.162 +0.01249.2 -36.82.9 -0.1101.1 -8risky120 W vs 250 W: lower power handling · Xmax 2.9 mm < 3 mm: lower excursion-limited SPL+
University Sound C-15W-1P58 -4.50.32 +0.16232 -543 =110.9 +1.8risky2 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling+

Compare the closest 3 against the C-15W-2S →

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.