Bose 38 CM CAR AUDIO vp

15" · 8 Ω · 250 W · 94.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	46 Hz
Qts	0.526
Qes	0.64
Qms	2.96
Vas	108.8 L
Sd	779.3 cm²
Xmax	4.5 mm
Re	7.2 Ω
Bl	17.5 T·m
Mms	93.8 g
Pe	250 W
Sensitivity	94.6 dB

Alignment hint

EBP	72 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 134.8 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
DAP Audio AB-15	46.7 +0.7	0.546 +0.02	122.3 +13.5	5.5 +1	95.4 +0.8	close		+
Beyma 15CMV2 v2021	49 +3	0.485 -0.04	104 -4.8	4.5 =	96.7 +2.1	close		+
Focal 38KXSPL	45.8 -0.2	0.55 +0.02	116.4 +7.6	5.5 +1	98 +3.4	close	4 Ω vs 8 Ω: amp load changes	+
Beyma 15CM V2	49 +3	0.49 -0.04	104 -4.8	7 +2.5	97 +2.4	close		+
LaVoce WSF152.50	46 =	0.505 -0.02	137 +28.2	4.7 +0.2	97.3 +2.7	close		+
Eminence DEFINIMAX 4015 LF	42 -4	0.5 -0.03	115.5 +6.7	9 +4.5	96 +1.4	close		+
Turbosound TS-15W300/8A	46 =	0.476 -0.05	130.2 +21.4	4.9 +0.4	97 +2.4	close		+
MCM Electronics 55-2993	44 -2	0.534 +0.01	123.2 +14.4	2.9 -1.6	95 +0.4	usable	120 W vs 250 W: lower power handling · Xmax 2.9 mm < 4.5 mm: lower excursion-limited SPL	+
MCM Electronics 55-2983	43 -3	0.465 -0.06	127.5 +18.7	4 -0.5	95.5 +0.9	usable	Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Celestion BL15-400X	54.2 +8.2	0.592 +0.07	110.9 +2.1	4.8 +0.3	97.3 +2.7	usable		+

Compare the closest 3 against the 38 CM CAR AUDIO vp →

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.