Tannoy 3138 vp

12" · 8 Ω · 250 W · 92.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	67 Hz
Qts	0.66
Qes	0.853
Qms	2.926
Vas	22.3 L
Sd	531 cm²
Xmax	0.4 mm
Re	5.47 Ω
Bl	16.4 T·m
Mms	99.9 g
Pe	250 W
Sensitivity	92.6 dB

Alignment hint

EBP	79 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 150.8 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
Europsonic TS30/600PRO-8 vp	60.8 -6.2	0.717 +0.06	36.9 +14.6	4 +3.6	93.2 +0.6	usable		+
Focal 33A	47.4 -19.6	0.575 -0.09	27.1 +4.8	3.8 +3.4	92.3 -0.3	usable	4 Ω vs 8 Ω: amp load changes	+
SB Audience 12MWN400D	66 -1	0.518 -0.14	31.1 +8.8	3.9 +3.5	95.8 +3.2	usable		+
Eminence THE TONKER 16	97 +30	0.581 -0.08	32.4 +10.1	0.8 +0.4	96.2 +3.6	usable	16 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling	+
ERS HP30/150E-8	60.4 -6.6	0.715 +0.05	45.9 +23.6	2.8 +2.4	93.2 +0.6	usable	150 W vs 250 W: lower power handling	+
Jensen JN12-100TR 8	72.4 +5.4	0.608 -0.05	48.7 +26.4	1 +0.6	97.2 +4.6	risky	100 W vs 250 W: lower power handling	+
Eminence THE GOVERNOR 16	103 +36	0.627 -0.03	32.8 +10.5	1.2 +0.8	96.9 +4.3	risky	16 Ω vs 8 Ω: amp load changes · 75 W vs 250 W: lower power handling	+
Isophon P30/37A vp	54.6 -12.4	0.555 -0.1	45 +22.7	1.4 +1	92.5 -0.1	risky	16 Ω vs 8 Ω: amp load changes · 25 W vs 250 W: lower power handling	+
Jensen JN12-100TR	72.4 +5.4	0.602 -0.06	48.7 +26.4	1 +0.6	97.3 +4.7	risky	100 W vs 250 W: lower power handling	+
Celestion G12M-65 CREAMBACK	74 +7	0.655 -0.01	52.7 +30.4	1.3 +0.9	97.7 +5.1	risky	25 W vs 250 W: lower power handling	+

Compare the closest 3 against the 3138 vp →

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.