LaVoce NBASS12-30-8
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 46 Hz |
| Qts | 0.291 |
| Qes | 0.3 |
| Qms | 9.5 |
| Vas | 68.8 L |
| Sd | 531 cm² |
| Xmax | 4 mm |
| Re | 5.4 Ω |
| Bl | 18.9 T·m |
| Mms | 68.8 g |
| Pe | 400 W |
| Sensitivity | 97.2 dB |
Alignment hint
| EBP | 153 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 14 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 |
|---|---|---|---|---|---|---|---|---|
| Ciare NDC 12-3 | 45.5 -0.5 | 0.285 -0.01 | 73.6 +4.8 | 5.4 +1.4 | 97 -0.2 | close | + | |
| Fane CRESCENDO 12MB | 50 +4 | 0.295 = | 67 -1.8 | 4.3 +0.3 | 97.8 +0.6 | close | 300 W vs 400 W: lower power handling | + |
| LaVoce WSN122.50-4 | 49 +3 | 0.29 = | 64.43 -4.37 | 5.3 +1.3 | 97 -0.2 | close | 4 Ω vs 8 Ω: amp load changes · 250 W vs 400 W: lower power handling | + |
| Eminence LA12850 | 46 = | 0.312 +0.02 | 66.1 -2.7 | 5 +1 | 96.4 -0.8 | close | + | |
| Precision Devices PD 123C01 | 46 = | 0.314 +0.02 | 66.8 -2 | 5.6 +1.6 | 96.4 -0.8 | close | + | |
| RCF MB 12X301 | 50 +4 | 0.29 = | 70 +1.2 | 5.9 +1.9 | 98.3 +1.1 | close | + | |
| Elder Audio 12LB075-8N | 52 +6 | 0.3 +0.01 | 66.8 -2 | 4 = | 98 +0.8 | close | 300 W vs 400 W: lower power handling | + |
| LaVoce NBASS12-30 | 46 = | 0.26 -0.03 | 68.63 -0.17 | 6.6 +2.6 | 97.5 +0.3 | close | + | |
| LaVoce WAF123.03 | 50 +4 | 0.287 = | 70 +1.2 | 5.5 +1.5 | 99 +1.8 | close | + | |
| McCauley 6234 | 50 +4 | 0.297 +0.01 | 60 -8.8 | 4.2 +0.2 | 97.8 +0.6 | close | 300 W vs 400 W: lower power handling | + |
Compare the closest 3 against the NBASS12-30-8 →
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.