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GRS 15SSW-4HE

15" · 8 Ω · 300 W · 89.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance8 Ω
Fs20.7 Hz
Qts0.487
Qes0.55
Qms4.27
Vas196.6 L
Sd819.4 cm²
Xmax9.5 mm
Re4.2 Ω
Bl16.8 T·m
Mms283 g
Pe300 W
Sensitivity89.8 dB

Alignment hint

EBP38 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 177.4 L

EBP < 50: favours a sealed (closed) 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
MTX Audio RT15-0420 -0.70.479 -0.01223 +26.410.3 +0.890.8 +1close4 Ω vs 8 Ω: amp load changes+
Dayton Audio UM15-22 ULTIMAX DVC19.5 -1.20.474 -0.01224.3 +27.79.5 =90.2 +0.4close4 Ω vs 8 Ω: amp load changes+
Oxygen AIR2 38022.7 +20.543 +0.06202.2 +5.611.5 +291.6 +1.8close4 Ω vs 8 Ω: amp load changes+
Powerbass M-150422 +1.30.442 -0.04181.7 -14.911 +1.587.7 -2.1close4 Ω vs 8 Ω: amp load changes+
Dayton Audio RSS390HF-4 v201519.5 -1.20.429 -0.06212 +15.412 +2.591.2 +1.4close4 Ω vs 8 Ω: amp load changes+
Sony XS-L151P522.2 +1.50.46 -0.03195.9 -0.77 -2.588.2 -1.6close4 Ω vs 8 Ω: amp load changes · Xmax 7 mm < 9.5 mm: lower excursion-limited SPL+
Hertz Audio ES380.124.2 +3.50.52 +0.03183 -13.69 -0.588.2 -1.6close4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL+
Rockford Fosgate P1S2-1523 +2.30.55 +0.06191.5 -5.19 -0.587.4 -2.4close2 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL+
Rockford Fosgate P1S4-1523 +2.30.55 +0.06191.5 -5.19 -0.587.3 -2.5usable4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL+
Dayton Audio DVC385-8820.9 +0.20.446 -0.04237 +40.411.1 +1.693.8 +4usable4 Ω vs 8 Ω: amp load changes+

Compare the closest 3 against the 15SSW-4HE →

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.