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GRS 15PF-8

15" · 8 Ω · 150 W · 87.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance8 Ω
Fs29 Hz
Qts1.394
Qes1.92
Qms5.09
Vas265.9 L
Sd851 cm²
Xmax4 mm
Re7.21 Ω
Bl8.9 T·m
Mms115 g
Pe150 W
Sensitivity87.7 dB

Alignment hint

EBP15 · sealed
Sealed Vb (Qtc ≈ 0.71)Qts too high

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
Goldwood GW-215/40/830.5 +1.51.087 -0.31261.2 -4.73.5 -0.589.8 +2.1usableXmax 3.5 mm < 4 mm: lower excursion-limited SPL+
Carpower SP-382C30 +11.279 -0.11320 +54.13.5 -0.592.1 +4.4usable4 Ω vs 8 Ω: amp load changes · Xmax 3.5 mm < 4 mm: lower excursion-limited SPL+
DS18 BD-X154D35 +61.719 +0.33240 -25.96.1 +2.188.5 +0.8usable16 Ω vs 8 Ω: amp load changes+
Goldwood GW-215/429.6 +0.61.861 +0.47291.6 +25.73 -188 +0.3usable4 Ω vs 8 Ω: amp load changes · Xmax 3 mm < 4 mm: lower excursion-limited SPL+
Goldwood GW-215/829.5 +0.51.952 +0.56366.5 +100.63.5 -0.587.9 +0.2usableXmax 3.5 mm < 4 mm: lower excursion-limited SPL+
Eminence ALPHA 1541 +121.263 -0.13260 -5.93.8 -0.294 +6.3usableXmax 3.8 mm < 4 mm: lower excursion-limited SPL+
Eminence ALPHA 15 A41 +121.263 -0.13260 -5.93.8 -0.294 +6.3usableXmax 3.8 mm < 4 mm: lower excursion-limited SPL+
Mercuriale HTR 386 M032 +31.255 -0.14428.8 +162.93.6 -0.491.6 +3.9usableXmax 3.6 mm < 4 mm: lower excursion-limited SPL+
Jinwey YDA-380-434.3 +5.31.186 -0.21252.9 -133 -193.9 +6.2usable4 Ω vs 8 Ω: amp load changes · Xmax 3 mm < 4 mm: lower excursion-limited SPL+
Europsonic TS38/300D28 -10.994 -0.4382.6 +116.76 +290.3 +2.6usable+

Compare the closest 3 against the 15PF-8 →

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.