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Adire Audio TEMPEST DVC 4 Ohms config

15" · 4 Ω · 500 W · 92.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance4 Ω
Fs18.8 Hz
Qts0.377
Qes0.4
Qms6.7
Vas317 L
Sd779 cm²
Xmax8.2 mm
Re3.5 Ω
Bl14.1 T·m
Mms192.3 g
Pe500 W
Sensitivity92.8 dB

Alignment hint

EBP47 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 125.9 L

EBP < 50: favours a sealed (closed) 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
Dayton Audio DCS385-417.5 -1.30.389 +0.01311 -69.3 +1.191.8 -1close300 W vs 500 W: lower power handling+
SB Acoustics SB42FHC75-622.5 +3.70.372 -0.01318 +110.1 +1.994 +1.2close8 Ω vs 4 Ω: amp load changes · 300 W vs 500 W: lower power handling+
Dayton Audio ST385-818.8 =0.317 -0.06301 -167.9 -0.391.2 -1.6close8 Ω vs 4 Ω: amp load changes · 300 W vs 500 W: lower power handling · Xmax 7.9 mm < 8.2 mm: lower excursion-limited SPL+
Oxygen ALIUM 38018 -0.80.3 -0.08322 +57.9 -0.393.3 +0.5close200 W vs 500 W: lower power handling · Xmax 7.9 mm < 8.2 mm: lower excursion-limited SPL+
Next Audio AL 3816 -2.80.369 -0.01347.7 +30.77.5 -0.791.2 -1.6close200 W vs 500 W: lower power handling · Xmax 7.5 mm < 8.2 mm: lower excursion-limited SPL+
Rythmik Audio DS150117.5 -1.30.315 -0.06295 -227.5 -0.792.9 +0.1close300 W vs 500 W: lower power handling · Xmax 7.5 mm < 8.2 mm: lower excursion-limited SPL+
Visaton TIW40023 +4.20.348 -0.03300 -1710.6 +2.493.3 +0.5close8 Ω vs 4 Ω: amp load changes · 300 W vs 500 W: lower power handling+
Dayton Audio RSS390HF-418 -0.80.423 +0.05281.8 -35.214 +5.891.1 -1.7usable+
TC Sounds TC2000 vp18 -0.80.323 -0.05267 -5014 +5.892.5 -0.3usable+
Dayton Audio DCS380-4 v201721.5 +2.70.434 +0.06267 -508.4 +0.293.7 +0.9usable250 W vs 500 W: lower power handling+

Compare the closest 3 against the TEMPEST DVC 4 Ohms config →

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.