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Dayton Audio UM15-22 ULTIMAX DVC

15" · 4 Ω · 800 W · 90.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance4 Ω
Fs19.5 Hz
Qts0.474
Qes0.59
Qms2.4
Vas224.3 L
Sd814.6 cm²
Xmax9.5 mm
Re3.4 Ω
Bl14 T·m
Mms276.3 g
Pe800 W
Sensitivity90.2 dB

Alignment hint

EBP33 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 183 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
MTX Audio RT15-0420 +0.50.479 +0.01223 -1.310.3 +0.890.8 +0.6close300 W vs 800 W: lower power handling+
GRS 15SSW-4HE20.7 +1.20.487 +0.01196.6 -27.79.5 =89.8 -0.4close8 Ω vs 4 Ω: amp load changes · 300 W vs 800 W: lower power handling+
Dayton Audio RSS390HF-4 v201519.5 =0.429 -0.04212 -12.312 +2.591.2 +1close500 W vs 800 W: lower power handling+
Dayton Audio DVC385-8820.9 +1.40.446 -0.03237 +12.711.1 +1.693.8 +3.6close350 W vs 800 W: lower power handling+
Dayton Audio DCS380-422.9 +3.40.504 +0.03233.9 +9.68.4 -1.192.9 +2.7usable250 W vs 800 W: lower power handling · Xmax 8.4 mm < 9.5 mm: lower excursion-limited SPL+
Oxygen AIR2 38022.7 +3.20.543 +0.07202.2 -22.111.5 +291.6 +1.4usable400 W vs 800 W: lower power handling+
Dayton Audio IB385-821.5 +20.588 +0.11248.9 +24.612.4 +2.989.8 -0.4usable8 Ω vs 4 Ω: amp load changes · 350 W vs 800 W: lower power handling+
Dayton Audio RSS390HF-418 -1.50.423 -0.05281.8 +57.514 +4.591.1 +0.9usable500 W vs 800 W: lower power handling+
Powerbass M-150422 +2.50.442 -0.03181.7 -42.611 +1.587.7 -2.5usable425 W vs 800 W: lower power handling+
Hertz Audio ES38024 +4.50.52 +0.05220 -4.39 -0.593.7 +3.5usable450 W vs 800 W: lower power handling · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL+

Compare the closest 3 against the UM15-22 ULTIMAX DVC →

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.