P.Audio IMF-HP15W MKII

15" · 8 Ω · 300 W · 92.8 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	43 Hz
Qts	0.68
Qes	0.88
Qms	3.08
Vas	139.37 L
Sd	869 cm²
Xmax	3.5 mm
Re	6.39 Ω
Bl	14.4 T·m
Mms	105.75 g
Pe	300 W
Sensitivity	92.8 dB

Alignment hint

EBP	49 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 1714 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
SB Audience BIANCO-15OB350	41 -2	0.697 +0.02	134.8 -4.57	6.5 +3	93.4 +0.6	close		+
Fane SOVEREIGN 15-250	43 =	0.728 +0.05	144 +4.63	4.4 +0.9	94.6 +1.8	close		+
Selenium 15PW7	43 =	0.66 -0.02	152 +12.63	3 -0.5	93.6 +0.8	close	Xmax 3 mm < 3.5 mm: lower excursion-limited SPL	+
Zeuz 15400X	38.1 -4.9	0.662 -0.02	149.6 +10.23	5.1 +1.6	94.2 +1.4	close	150 W vs 300 W: lower power handling	+
Selenium 15B1	40 -3	0.752 +0.07	146 +6.63	3 -0.5	93.8 +1	close	Xmax 3 mm < 3.5 mm: lower excursion-limited SPL	+
Celestion BN15-400X	44.9 +1.9	0.59 -0.09	146.5 +7.13	4 +0.5	96.4 +3.6	usable		+
Selenium 38GPT12	42.2 -0.8	0.657 -0.02	185.7 +46.33	5 +1.5	95.8 +3	usable	200 W vs 300 W: lower power handling	+
SB Audience BIANCO-15MW200	44 +1	0.586 -0.09	153 +13.63	5.2 +1.7	96 +3.2	usable	200 W vs 300 W: lower power handling	+
P.Audio BM-15LF	47 +4	0.668 -0.01	123.4 -15.97	7.1 +3.6	96.5 +3.7	usable		+
Celestion BN15-300X	45.9 +2.9	0.603 -0.08	153.4 +14.03	4 +0.5	96.7 +3.9	usable		+

Compare the closest 3 against the IMF-HP15W MKII →

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.