Klipsch K28E

12" · 4 Ω · 100 W · 96.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	35.1 Hz
Qts	0.441
Qes	0.63
Qms	1.47
Vas	152.7 L
Sd	613 cm²
Xmax	4 mm
Re	3 Ω
Bl	8.6 T·m
Mms	70.8 g
Pe	100 W
Sensitivity	96.5 dB

Alignment hint

EBP	56 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 97.2 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
Davis KIT ALBEDO	37.5 +2.4	0.459 +0.02	166 +13.3	5 +1	96.5 =	close	8 Ω vs 4 Ω: amp load changes	+
Supravox 285 GMF vp5	35 -0.1	0.372 -0.07	150 -2.7	4 =	95.4 -1.1	close	8 Ω vs 4 Ω: amp load changes · 70 W vs 100 W: lower power handling	+
Supravox 285 GMF vp6	35 -0.1	0.372 -0.07	150 -2.7	4 =	95.4 -1.1	close	8 Ω vs 4 Ω: amp load changes · 70 W vs 100 W: lower power handling	+
Eminence DELTALITE II 2512 v2	37 +1.9	0.386 -0.05	147 -5.7	4.9 +0.9	96.3 -0.2	close	8 Ω vs 4 Ω: amp load changes	+
LaVoce LBASS12-15	38 +2.9	0.48 +0.04	160.93 +8.23	4.7 +0.7	95.5 -1	close	8 Ω vs 4 Ω: amp load changes	+
Monacor SP-300PA	40 +4.9	0.435 -0.01	150 -2.7	3.3 -0.7	95.3 -1.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 3.3 mm < 4 mm: lower excursion-limited SPL	+
Infinity 1211W	35.1 =	0.397 -0.04	123.3 -29.4	4.5 +0.5	97 +0.5	close		+
Visaton BZ300 4 Ohms	36 +0.9	0.483 +0.04	129 -23.7	5 +1	95.7 -0.8	close		+
Faital PRO 12FE330	33 -2.1	0.45 +0.01	146.7 -6	8.32 +4.32	94 -2.5	close	8 Ω vs 4 Ω: amp load changes	+
Ardan PRO W-31	36.4 +1.3	0.382 -0.06	170.6 +17.9	4 =	95.3 -1.2	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the K28E →

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.