Davis 39RCA15

15" · 8 Ω · 200 W · 95.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	33.7 Hz
Qts	0.612
Qes	0.69
Qms	5.45
Vas	258 L
Sd	804 cm²
Xmax	4 mm
Re	5.29 Ω
Bl	11.3 T·m
Mms	78.6 g
Pe	200 W
Sensitivity	95.3 dB

Alignment hint

EBP	49 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 770.2 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Beyma CM15/T	34 +0.3	0.615 =	293 +35	3.5 -0.5	95.4 +0.1	close	Xmax 3.5 mm < 4 mm: lower excursion-limited SPL	+
Sphynx SP-W15-PRO	32 -1.7	0.616 =	273 +15	4 =	92.8 -2.5	close	16 Ω vs 8 Ω: amp load changes · 150 W vs 200 W: lower power handling	+
Celestion BN15-400X v2018	35.1 +1.4	0.527 -0.08	253 -5	4 =	96.5 +1.2	close		+
Kenford PA380 vp	34 +0.3	0.522 -0.09	260 +2	3.5 -0.5	95.6 +0.3	close	Xmax 3.5 mm < 4 mm: lower excursion-limited SPL	+
Selenium 15PW3	37 +3.3	0.61 =	274 +16	3 -1	94.9 -0.4	close	Xmax 3 mm < 4 mm: lower excursion-limited SPL	+
PRV Audio 15W 700	31.7 -2	0.625 +0.01	308.1 +50.1	6.9 +2.9	94.7 -0.6	close		+
Stromberg-Carlson RF 484 vp2	31 -2.7	0.598 -0.01	294.9 +36.9	4 =	92.7 -2.6	close	150 W vs 200 W: lower power handling	+
Skytronic 902.439	30 -3.7	0.601 -0.01	230 -28	4 =	92.5 -2.8	close		+
Eminence BETA 15	35 +1.3	0.585 -0.03	334.6 +76.6	4 =	96.6 +1.3	close		+
Eminence BETA 15A	35 +1.3	0.585 -0.03	334.6 +76.6	4 =	96.6 +1.3	close		+

Compare the closest 3 against the 39RCA15 →

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.