AE Speakers IB15

15" · 8 Ω · 300 W · 87.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	16 Hz
Qts	0.7
Qes	0.78
Qms	6.8
Vas	439 L
Sd	830 cm²
Xmax	9.3 mm
Re	5.5 Ω
Bl	12.4 T·m
Mms	217.7 g
Pe	300 W
Sensitivity	87.2 dB

Alignment hint

EBP	21 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 21511 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
AE Speakers IB15-8	16 =	0.7 =	439 =	9.3 =	87.2 =	close		+
AE Speakers IB15HT-8	16 =	0.7 =	440 +1	9 -0.3	87.2 =	close	Xmax 9 mm < 9.3 mm: lower excursion-limited SPL	+
AE Speakers IB15HT 8 Ohms	16 =	0.7 =	440 +1	9 -0.3	87.2 =	close	Xmax 9 mm < 9.3 mm: lower excursion-limited SPL	+
AE Speakers IB15HT 4 Ohms	16 =	0.7 =	440 +1	9 -0.3	90.3 +3.1	close	4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.3 mm: lower excursion-limited SPL	+
AE Speakers IB15AU-8	20.4 +4.4	0.619 -0.08	387 -52	9 -0.3	90.4 +3.2	usable	Xmax 9 mm < 9.3 mm: lower excursion-limited SPL	+
Rythmik Audio DS1510	15.4 -0.6	0.472 -0.23	430 -9	10 +0.7	90.9 +3.7	usable	4 Ω vs 8 Ω: amp load changes	+
Visaton TIW400 DS 2x4 Ohms	21 +5	0.787 +0.09	422 -17	15.6 +6.3	91.9 +4.7	usable	4 Ω vs 8 Ω: amp load changes	+
AE Speakers IB15AU-4	20.4 +4.4	0.619 -0.08	387 -52	9 -0.3	93.5 +6.3	usable	4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.3 mm: lower excursion-limited SPL	+
Rockford Fosgate P2D4-15	20.9 +4.9	0.655 -0.04	219.6 -219.4	11.3 +2	87.3 +0.1	usable		+
Hertz Audio DS 38.3	23 +7	0.65 -0.05	244 -195	9 -0.3	87.9 +0.7	usable	4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.3 mm: lower excursion-limited SPL	+

Compare the closest 3 against the IB15 →

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.