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DLS SP12

12" · 2 Ω · 500 W · 100.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance2 Ω
Fs30.5 Hz
Qts0.237
Qes0.25
Qms4.42
Vas98.8 L
Sd452.3 cm²
Xmax9.1 mm
Re1.27 Ω
Bl8.8 T·m
Mms79.1 g
Pe500 W
Sensitivity100.5 dB

Alignment hint

EBP122 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 12.5 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
BMS 12S33028.6 -1.90.24 =85.5 -13.38 -1.196 -4.5usable8 Ω vs 2 Ω: amp load changes · Xmax 8 mm < 9.1 mm: lower excursion-limited SPL+
Fane FC-123F0134 +3.50.235 =110 +11.27.8 -1.396.1 -4.4usable8 Ω vs 2 Ω: amp load changes · Xmax 7.8 mm < 9.1 mm: lower excursion-limited SPL+
Beyma POWER 12 COMPETITION29 -1.50.27 +0.03122 +23.29 -0.195.1 -5.4usable8 Ω vs 2 Ω: amp load changes · Xmax 9 mm < 9.1 mm: lower excursion-limited SPL+
RCF L 12P30143 +12.50.219 -0.0297 -1.87.8 -1.398.6 -1.9usable8 Ω vs 2 Ω: amp load changes · Xmax 7.8 mm < 9.1 mm: lower excursion-limited SPL+
BMS 12S330 v201628.6 -1.90.24 =85.5 -13.38 -1.192.3 -8.2usable8 Ω vs 2 Ω: amp load changes · Xmax 8 mm < 9.1 mm: lower excursion-limited SPL+
Magnat SUB 300 SUPREME30 -0.50.289 +0.05110 +11.27.6 -1.595.5 -5usable4 Ω vs 2 Ω: amp load changes · 300 W vs 500 W: lower power handling · Xmax 7.6 mm < 9.1 mm: lower excursion-limited SPL+
BMS 12S30535 +4.50.265 +0.0382 -16.811 +1.995 -5.5usable8 Ω vs 2 Ω: amp load changes+
SICA 12SR3PL27.4 -3.10.27 +0.03103.1 +4.37 -2.194.8 -5.7usable4 Ω vs 2 Ω: amp load changes · Xmax 7 mm < 9.1 mm: lower excursion-limited SPL+
RCF L 12P30040 +9.50.242 +0.0181 -17.87.8 -1.396.7 -3.8usable8 Ω vs 2 Ω: amp load changes · Xmax 7.8 mm < 9.1 mm: lower excursion-limited SPL+
PHL Audio 4021 v201730 -0.50.281 +0.0496 -2.87 -2.193 -7.5usable8 Ω vs 2 Ω: amp load changes · Xmax 7 mm < 9.1 mm: lower excursion-limited SPL+

Compare the closest 3 against the SP12 →

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.