Davis 39GCA15 v2024

15" · 8 Ω · 300 W · 96.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	26.3 Hz
Qts	0.333
Qes	0.349
Qms	7.29
Vas	347 L
Sd	892 cm²
Xmax	7.5 mm
Re	4.98 Ω
Bl	16.7 T·m
Mms	118.1 g
Pe	300 W
Sensitivity	96.6 dB

Alignment hint

EBP	75 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 98.9 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Davis 39GPA15	26.2 -0.1	0.338 +0.01	384 +37	7.5 =	97 +0.4	close		+
JBL 2216ND-1	27.6 +1.3	0.357 +0.02	378.4 +31.4	9.5 +2	96.8 +0.2	close		+
Davis 39GCA15	23.6 -2.7	0.33 =	402 +55	7.5 =	95.6 -1	close		+
JBL 2216ND (pour JBL 4367)	28.3 +2	0.376 +0.04	333 -14	9.5 +2	96.3 -0.3	close		+
TAD TL-1601 B	28 +1.7	0.342 +0.01	307 -40	6.8 -0.7	95.5 -1.1	close	200 W vs 300 W: lower power handling · Xmax 6.8 mm < 7.5 mm: lower excursion-limited SPL	+
TAD TL-1603	28 +1.7	0.342 +0.01	304 -43	6.8 -0.7	95.5 -1.1	close	200 W vs 300 W: lower power handling · Xmax 6.8 mm < 7.5 mm: lower excursion-limited SPL	+
PHL Audio 5510MNds	30 +3.7	0.324 -0.01	293 -54	8.7 +1.2	96.6 =	close		+
Beyma 15k200	27 +0.7	0.262 -0.07	345 -2	7.5 =	97 +0.4	close		+
Altec 3154	25 -1.3	0.322 -0.01	393.6 +46.6	6.4 -1.1	95 -1.6	close	Xmax 6.4 mm < 7.5 mm: lower excursion-limited SPL	+
Great Plains Audio 3154 GPA	25 -1.3	0.322 -0.01	393.6 +46.6	6.4 -1.1	95 -1.6	close	Xmax 6.4 mm < 7.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 39GCA15 v2024 →

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.