Kenwood TRIO

15" · 8 Ω · 300 W · 97.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	27 Hz
Qts	0.27
Qes	0.34
Qms	1.3
Vas	350 L
Sd	824.5 cm²
Xmax	5 mm
Re	4.7 Ω
Bl	14.9 T·m
Mms	94.6 g
Pe	300 W
Sensitivity	97.4 dB

Alignment hint

EBP	79 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 59.7 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 40RCA15	27 =	0.282 +0.01	350 =	5 =	97.7 +0.3	close	200 W vs 300 W: lower power handling	+
Davis 40RCA15DF	27 =	0.282 +0.01	350 =	5 =	97.7 +0.3	close	200 W vs 300 W: lower power handling	+
Davis 40RCADF	27 =	0.282 +0.01	350 =	5 =	97.7 +0.3	close	200 W vs 300 W: lower power handling	+
Beyma 15k200	27 =	0.262 -0.01	345 -5	7.5 +2.5	97 -0.4	close		+
Beyma SM-115/K	27 =	0.253 -0.02	345 -5	8 +3	97.5 +0.1	close		+
Usher Audio 15HM Studio	27 =	0.28 +0.01	385 +35	5.9 +0.9	98 +0.6	close	150 W vs 300 W: lower power handling	+
Altec 4156-8A	29 +2	0.28 +0.01	353.7 +3.7	4.3 -0.7	98 +0.6	close	Xmax 4.3 mm < 5 mm: lower excursion-limited SPL	+
Monacor SPH-390TC vp1	22.7 -4.3	0.276 +0.01	351 +1	6.4 +1.4	97.3 -0.1	close	4 Ω vs 8 Ω: amp load changes · 150 W vs 300 W: lower power handling	+
Rockford Fosgate PWR-415	24 -3	0.283 +0.01	334 -16	6.2 +1.2	97.4 =	close	4 Ω vs 8 Ω: amp load changes	+
Usher Audio 15 HM	28.7 +1.7	0.299 +0.03	314.9 -35.1	5.5 +0.5	97.6 +0.2	close	150 W vs 300 W: lower power handling	+

Compare the closest 3 against the TRIO →

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.