Ciare NDC 12-3
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45.5 Hz |
| Qts | 0.285 |
| Qes | 0.29 |
| Qms | 16.06 |
| Vas | 73.6 L |
| Sd | 535 cm² |
| Xmax | 5.4 mm |
| Re | 6.03 Ω |
| Bl | 19.9 T·m |
| Mms | 66.7 g |
| Pe | 400 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 157 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 14.3 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 12W750 | 49 +3.5 | 0.28 = | 73 -0.6 | 8 +2.6 | 97 = | close | + | |
| Beyma 12G40 | 44 -1.5 | 0.292 +0.01 | 81 +7.4 | 6 +0.6 | 96.8 -0.2 | close | + | |
| Faital PRO 12FH520 | 50 +4.5 | 0.29 +0.01 | 73.7 +0.1 | 7.25 +1.85 | 98 +1 | close | + | |
| Beyma 12"G40 | 44 -1.5 | 0.3 +0.02 | 81 +7.4 | 7 +1.6 | 97 = | close | + | |
| LaVoce WSN122.50-4 | 49 +3.5 | 0.29 +0.01 | 64.43 -9.17 | 5.3 -0.1 | 97 = | close | 4 Ω vs 8 Ω: amp load changes · 250 W vs 400 W: lower power handling · Xmax 5.3 mm < 5.4 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH530 | 45 -0.5 | 0.26 -0.02 | 74.1 +0.5 | 7.5 +2.1 | 98 +1 | close | + | |
| RCF MB 12X301 | 50 +4.5 | 0.29 +0.01 | 70 -3.6 | 5.9 +0.5 | 98.3 +1.3 | close | + | |
| LaVoce NBASS12-30 | 46 +0.5 | 0.26 -0.02 | 68.63 -4.97 | 6.6 +1.2 | 97.5 +0.5 | close | + | |
| BMS 12N620 | 44.7 -0.8 | 0.25 -0.03 | 72.7 -0.9 | 5.5 +0.1 | 98 +1 | close | + | |
| Faital PRO 12FH510 | 45 -0.5 | 0.25 -0.03 | 75.2 +1.6 | 7.5 +2.1 | 97 = | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the NDC 12-3 →
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.