Selenium 38GPT12 vp2

15" · 8 Ω · 200 W · 97.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	39.9 Hz
Qts	0.469
Qes	0.551
Qms	3.17
Vas	242.8 L
Sd	855.3 cm²
Xmax	5 mm
Re	5.9 Ω
Bl	13.4 T·m
Mms	67.1 g
Pe	200 W
Sensitivity	97.8 dB

Alignment hint

EBP	72 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 190.7 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
Eminence DELTA 15 LFA	39 -0.9	0.48 +0.01	241 -1.8	4.8 -0.2	97.5 -0.3	close	Xmax 4.8 mm < 5 mm: lower excursion-limited SPL	+
Eminence DELTA 15LFA	39 -0.9	0.48 +0.01	241 -1.8	4.8 -0.2	96 -1.8	close	Xmax 4.8 mm < 5 mm: lower excursion-limited SPL	+
DAS Audio 15P	40 +0.1	0.422 -0.05	233 -9.8	6 +1	98.2 +0.4	close		+
Visaton BGS 40 v2	40 +0.1	0.424 -0.04	263 +20.2	5.7 +0.7	98.2 +0.4	close		+
DAS Audio 15LM	40.4 +0.5	0.49 +0.02	206.6 -36.2	5 =	97.1 -0.7	close		+
P.Audio BM-15W	39.8 -0.1	0.473 =	200.1 -42.7	5 =	96.4 -1.4	close		+
Eminence DELTA 15 LFC	38.7 -1.2	0.47 =	221.6 -21.2	6 +1	100 +2.2	close	4 Ω vs 8 Ω: amp load changes	+
Eminence DELTA 15 LF-4	40 +0.1	0.488 +0.02	253.9 +11.1	6 +1	100.6 +2.8	close	4 Ω vs 8 Ω: amp load changes	+
Eminence DELTA 15LF-4	40 +0.1	0.49 +0.02	253.93 +11.13	5.97 +0.97	95 -2.8	close	4 Ω vs 8 Ω: amp load changes	+
Ardan PRO W-38 vp2	39.5 -0.4	0.51 +0.04	254.7 +11.9	4.5 -0.5	97 -0.8	close	Xmax 4.5 mm < 5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 38GPT12 vp2 →

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.