Goldwood GW-215/4

15" · 4 Ω · 135 W · 88 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	29.6 Hz
Qts	1.861
Qes	2.435
Qms	7.889
Vas	291.6 L
Sd	823 cm²
Xmax	3 mm
Re	3.6 Ω
Bl	5.075 T·m
Mms	94.4 g
Pe	135 W
Sensitivity	88 dB

Alignment hint

EBP	12 · 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Goldwood GW-215/8	29.5 -0.1	1.952 +0.09	366.5 +74.9	3.5 +0.5	87.9 -0.1	close	8 Ω vs 4 Ω: amp load changes	+
GRS 15PF-8	29 -0.6	1.394 -0.47	265.9 -25.7	4 +1	87.7 -0.3	usable	8 Ω vs 4 Ω: amp load changes	+
DS18 BD-X154D	35 +5.4	1.719 -0.14	240 -51.6	6.1 +3.1	88.5 +0.5	usable	16 Ω vs 4 Ω: amp load changes	+
Carpower SP-382C	30 +0.4	1.279 -0.58	320 +28.4	3.5 +0.5	92.1 +4.1	usable		+
Goldwood GW-215/40/8	30.5 +0.9	1.087 -0.77	261.2 -30.4	3.5 +0.5	89.8 +1.8	usable	8 Ω vs 4 Ω: amp load changes	+
Mercuriale HTR 386 M0	32 +2.4	1.255 -0.61	428.8 +137.2	3.6 +0.6	91.6 +3.6	usable	8 Ω vs 4 Ω: amp load changes	+
Jinwey YDA-380-4	34.3 +4.7	1.186 -0.67	252.9 -38.7	3 =	93.9 +5.9	usable		+
Eminence ALPHA 15	41 +11.4	1.263 -0.6	260 -31.6	3.8 +0.8	94 +6	risky	8 Ω vs 4 Ω: amp load changes	+
Eminence ALPHA 15 A	41 +11.4	1.263 -0.6	260 -31.6	3.8 +0.8	94 +6	risky	8 Ω vs 4 Ω: amp load changes	+
Jinwey YDA-380-8	33.8 +4.2	0.922 -0.94	278.8 -12.8	3 =	92.3 +4.3	risky	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the GW-215/4 →

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.