Precision Devices PD 156 v2014

15" · 8 Ω · 650 W · 97.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	50.3 Hz
Qts	0.469
Qes	0.5
Qms	7.45
Vas	93.4 L
Sd	908 cm²
Xmax	5.7 mm
Re	5.69 Ω
Bl	21.1 T·m
Mms	124.1 g
Pe	650 W
Sensitivity	97.2 dB

Alignment hint

EBP	101 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 73.4 L

EBP > 100: favours a ported (bass-reflex) 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
PD PD 156 v2014	50.3 =	0.469 =	93.4 =	5.7 =	97.2 =	close		+
Beyma 15CM V2	49 -1.3	0.49 +0.02	104 +10.6	7 +1.3	97 -0.2	close	350 W vs 650 W: lower power handling	+
P.Audio E15-LF	50 -0.3	0.42 -0.05	92.17 -1.23	6 +0.3	95.9 -1.3	close		+
B&C 15FW88	49 -1.3	0.43 -0.04	103.7 +10.3	8 +2.3	98 +0.8	close		+
Beyma 15CMV2 v2021	49 -1.3	0.485 +0.02	104 +10.6	4.5 -1.2	96.7 -0.5	close	350 W vs 650 W: lower power handling · Xmax 4.5 mm < 5.7 mm: lower excursion-limited SPL	+
Eminence KAPPALITE 3015 LF-4	47 -3.3	0.468 =	118.6 +25.2	5.7 =	99.2 +2	close	4 Ω vs 8 Ω: amp load changes · 450 W vs 650 W: lower power handling	+
RCF L 15P540	50 -0.3	0.393 -0.08	100 +6.6	5.2 -0.5	98.4 +1.2	close	500 W vs 650 W: lower power handling · Xmax 5.2 mm < 5.7 mm: lower excursion-limited SPL	+
RCF LF 15G302 vp baptiste	56.8 +6.5	0.561 +0.09	87 -6.4	6 +0.3	97.1 -0.1	close		+
Beyma 15MCS500-8	46 -4.3	0.47 =	133.5 +40.1	6.5 +0.8	97.5 +0.3	close	500 W vs 650 W: lower power handling	+
Beyma 15LX60V2	42 -8.3	0.441 -0.03	105.5 +12.1	6.9 +1.2	96.3 -0.9	usable		+

Compare the closest 3 against the PD 156 v2014 →

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.