DLS SP12
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 2 Ω |
| Fs | 30.5 Hz |
| Qts | 0.237 |
| Qes | 0.25 |
| Qms | 4.42 |
| Vas | 98.8 L |
| Sd | 452.3 cm² |
| Xmax | 9.1 mm |
| Re | 1.27 Ω |
| Bl | 8.8 T·m |
| Mms | 79.1 g |
| Pe | 500 W |
| Sensitivity | 100.5 dB |
Alignment hint
| EBP | 122 · 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
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| BMS 12S330 | 28.6 -1.9 | 0.24 = | 85.5 -13.3 | 8 -1.1 | 96 -4.5 | usable | 8 Ω vs 2 Ω: amp load changes · Xmax 8 mm < 9.1 mm: lower excursion-limited SPL | + |
| Fane FC-123F01 | 34 +3.5 | 0.235 = | 110 +11.2 | 7.8 -1.3 | 96.1 -4.4 | usable | 8 Ω vs 2 Ω: amp load changes · Xmax 7.8 mm < 9.1 mm: lower excursion-limited SPL | + |
| Beyma POWER 12 COMPETITION | 29 -1.5 | 0.27 +0.03 | 122 +23.2 | 9 -0.1 | 95.1 -5.4 | usable | 8 Ω vs 2 Ω: amp load changes · Xmax 9 mm < 9.1 mm: lower excursion-limited SPL | + |
| RCF L 12P301 | 43 +12.5 | 0.219 -0.02 | 97 -1.8 | 7.8 -1.3 | 98.6 -1.9 | usable | 8 Ω vs 2 Ω: amp load changes · Xmax 7.8 mm < 9.1 mm: lower excursion-limited SPL | + |
| BMS 12S330 v2016 | 28.6 -1.9 | 0.24 = | 85.5 -13.3 | 8 -1.1 | 92.3 -8.2 | usable | 8 Ω vs 2 Ω: amp load changes · Xmax 8 mm < 9.1 mm: lower excursion-limited SPL | + |
| Magnat SUB 300 SUPREME | 30 -0.5 | 0.289 +0.05 | 110 +11.2 | 7.6 -1.5 | 95.5 -5 | usable | 4 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 12S305 | 35 +4.5 | 0.265 +0.03 | 82 -16.8 | 11 +1.9 | 95 -5.5 | usable | 8 Ω vs 2 Ω: amp load changes | + |
| SICA 12SR3PL | 27.4 -3.1 | 0.27 +0.03 | 103.1 +4.3 | 7 -2.1 | 94.8 -5.7 | usable | 4 Ω vs 2 Ω: amp load changes · Xmax 7 mm < 9.1 mm: lower excursion-limited SPL | + |
| RCF L 12P300 | 40 +9.5 | 0.242 +0.01 | 81 -17.8 | 7.8 -1.3 | 96.7 -3.8 | usable | 8 Ω vs 2 Ω: amp load changes · Xmax 7.8 mm < 9.1 mm: lower excursion-limited SPL | + |
| PHL Audio 4021 v2017 | 30 -0.5 | 0.281 +0.04 | 96 -2.8 | 7 -2.1 | 93 -7.5 | usable | 8 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.