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Altec 414 Z

12" · 16 Ω · 150 W · 96.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance16 Ω
Fs32 Hz
Qts0.219
Qes0.23
Qms4.39
Vas263 L
Sd511 cm²
Xmax4 mm
Re11.4 Ω
Bl18.5 T·m
Mms34.4 g
Pe150 W
Sensitivity96.2 dB

Alignment hint

EBP139 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 27.9 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Great Plains Audio 414-8B (16B)25.6 -6.40.22 =263.1 +0.14 =95.3 -0.9close8 Ω vs 16 Ω: amp load changes+
Altec 414-8C30.2 -1.80.204 -0.02230.2 -32.84 =97.5 +1.3close8 Ω vs 16 Ω: amp load changes+
Audax PR330M028 -40.269 +0.05264 +14 =96.5 +0.3close8 Ω vs 16 Ω: amp load changes+
Altec 414-8E30.3 -1.70.195 -0.02224 -394 =97.9 +1.7close8 Ω vs 16 Ω: amp load changes+
Monacor SP-330PAX33 +10.238 +0.02190 -734.5 +0.597.4 +1.2usable8 Ω vs 16 Ω: amp load changes+
Audax LFP50224 -80.208 -0.01267 +43.5 -0.595.4 -0.8usable8 Ω vs 16 Ω: amp load changes · Xmax 3.5 mm < 4 mm: lower excursion-limited SPL+
Audax PR33SM15024 -80.208 -0.01267 +43.5 -0.595.4 -0.8usable8 Ω vs 16 Ω: amp load changes · Xmax 3.5 mm < 4 mm: lower excursion-limited SPL+
EMS LB1234 +20.214 -0.01200 -633 -195.8 -0.4usable40 W vs 150 W: lower power handling · Xmax 3 mm < 4 mm: lower excursion-limited SPL+
EMS LB12 MKII34 +20.214 -0.01200 -633 -195.8 -0.4usable40 W vs 150 W: lower power handling · Xmax 3 mm < 4 mm: lower excursion-limited SPL+
Audax PR330M0 v201426 -60.203 -0.02208 -554 =95.6 -0.6usable8 Ω vs 16 Ω: amp load changes+

Compare the closest 3 against the 414 Z →

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.