Precision Devices PD 2450

25" · 8 Ω · 1000 W · 100.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	25"
Impedance	8 Ω
Fs	30.5 Hz
Qts	0.333
Qes	0.35
Qms	6.89
Vas	565.4 L
Sd	2248 cm²
Xmax	7.6 mm
Re	5.58 Ω
Bl	32.3 T·m
Mms	341.6 g
Pe	1000 W
Sensitivity	100.1 dB

Alignment hint

EBP	87 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 161.1 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
PD PD 2450	30.5 =	0.333 =	565.4 =	7.6 =	100.1 =	close		+
PD PDN 2450	32 +1.5	0.362 +0.03	459.7 -105.7	6.9 -0.7	99.5 -0.6	close	Xmax 6.9 mm < 7.6 mm: lower excursion-limited SPL	+
Precision Devices PDN 2450	32 +1.5	0.362 +0.03	459.7 -105.7	6.9 -0.7	99.5 -0.6	close	Xmax 6.9 mm < 7.6 mm: lower excursion-limited SPL	+
PD PD 24603BR	34 +3.5	0.31 -0.02	355 -210.4	7.1 -0.5	100.2 +0.1	usable	Xmax 7.1 mm < 7.6 mm: lower excursion-limited SPL	+
Precision Devices PD 24603BR	34 +3.5	0.31 -0.02	355 -210.4	7.1 -0.5	100.2 +0.1	usable	Xmax 7.1 mm < 7.6 mm: lower excursion-limited SPL	+
Celestion TSQ2460	27 -3.5	0.301 -0.03	344.5 -220.9	9.4 +1.8	99.4 -0.7	usable	4 Ω vs 8 Ω: amp load changes	+
Stereo Integrity HS-24 MKII	18.6 -11.9	0.39 +0.06	553.7 -11.7	15.9 +8.3	95.7 -4.4	usable	4 Ω vs 8 Ω: amp load changes	+
Stereo Integrity SHS-24	27 -3.5	0.4 +0.07	193 -372.4	7.9 +0.3	97.5 -2.6	risky	4 Ω vs 8 Ω: amp load changes	+
Stereo Integrity IB-24 D2 DVC	20 -10.5	0.545 +0.21	595 +29.6	15.8 +8.2	94.5 -5.6	risky	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the PD 2450 →

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.