LaVoce WAF122.50
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 59 Hz |
| Qts | 0.365 |
| Qes | 0.39 |
| Qms | 5.8 |
| Vas | 47 L |
| Sd | 544 cm² |
| Xmax | 4 mm |
| Re | 5.7 Ω |
| Bl | 18.7 T·m |
| Mms | 64.2 g |
| Pe | 350 W |
| Sensitivity | 97.4 dB |
Alignment hint
| EBP | 151 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 17.1 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 |
|---|---|---|---|---|---|---|---|---|
| RCF L 12P540 | 59 = | 0.349 -0.02 | 45 -2 | 4.3 +0.3 | 97.6 +0.2 | close | + | |
| RCF L12P520 | 65 +6 | 0.37 +0.01 | 47 = | 4 = | 97 -0.4 | close | 125 W vs 350 W: lower power handling | + |
| PD PD 124NR1 | 58 -1 | 0.354 -0.01 | 49 +2 | 7.4 +3.4 | 97.3 -0.1 | close | + | |
| Precision Devices PD 124NR1 | 58 -1 | 0.354 -0.01 | 49 +2 | 7.4 +3.4 | 97.3 -0.1 | close | + | |
| Turbosound TS-12W350/8W | 55 -4 | 0.347 -0.02 | 49 +2 | 4 = | 96.9 -0.5 | close | + | |
| SB Audience NERO-12MWN400D | 55 -4 | 0.387 +0.02 | 48.3 +1.3 | 3.9 -0.1 | 96.8 -0.6 | close | Xmax 3.9 mm < 4 mm: lower excursion-limited SPL | + |
| 18 Sound 12NTLW2500 | 60 +1 | 0.38 +0.02 | 45 -2 | 7.6 +3.6 | 98.5 +1.1 | close | + | |
| Beyma 12MC500 | 57 -2 | 0.373 +0.01 | 54.9 +7.9 | 5.5 +1.5 | 97.8 +0.4 | close | + | |
| 18 Sound 12W700 | 58 -1 | 0.36 -0.01 | 55 +8 | 6.5 +2.5 | 98 +0.6 | close | + | |
| HH Electronics B12L | 64 +5 | 0.382 +0.02 | 44.8 -2.2 | 3.4 -0.6 | 97.4 = | close | 200 W vs 350 W: lower power handling · Xmax 3.4 mm < 4 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the WAF122.50 →
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.