Tannoy K3808

15" · 8 Ω · 120 W · 101.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.162
Qes	0.19
Qms	1.1
Vas	249.2 L
Sd	770 cm²
Xmax	2.9 mm
Re	5.5 Ω
Bl	21 T·m
Mms	69 g
Pe	120 W
Sensitivity	101.1 dB

Alignment hint

EBP	184 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 13.8 L

EBP > 100: favours a ported (bass-reflex) 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
Yamaha JA-3882	38.1 +3.1	0.157 -0.01	253.1 +3.9	3.1 +0.2	99.1 -2	close	16 Ω vs 8 Ω: amp load changes	+
Beyma 15P80/ND v2015	33 -2	0.178 +0.02	250 +0.8	7.8 +4.9	100.9 -0.2	close		+
Beyma 15MI100 vp francis	38 +3	0.175 +0.01	217 -32.2	4.5 +1.6	101.2 +0.1	close		+
Fane COLOSSUS 15B	30 -5	0.156 -0.01	267 +17.8	4 +1.1	99.9 -1.2	close		+
Conrad CPA15-400	34.3 -0.7	0.186 +0.02	223 -26.2	4 +1.1	100.3 -0.8	close		+
JBL 2220H	37 +2	0.174 +0.01	297.3 +48.1	2.7 -0.2	102.7 +1.6	close	Xmax 2.7 mm < 2.9 mm: lower excursion-limited SPL	+
JBL 2220J	37 +2	0.174 +0.01	297.3 +48.1	2.7 -0.2	99 -2.1	usable	16 Ω vs 8 Ω: amp load changes · Xmax 2.7 mm < 2.9 mm: lower excursion-limited SPL	+
JBL E140	32 -3	0.183 +0.02	297.3 +48.1	3.6 +0.7	100.7 -0.4	usable		+
Peavey 1504 v1981	35 =	0.17 +0.01	312 +62.8	4 +1.1	104.4 +3.3	usable	4 Ω vs 8 Ω: amp load changes	+
Radian 2216 neo	36.8 +1.8	0.168 +0.01	184 -65.2	5.1 +2.2	100.6 -0.5	usable		+

Compare the closest 3 against the K3808 →

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.