B&C 12FW64
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 55 Hz |
| Qts | 0.29 |
| Qes | 0.32 |
| Qms | 3.5 |
| Vas | 64 L |
| Sd | 522 cm² |
| Xmax | 5 mm |
| Re | 5.2 Ω |
| Bl | 15.5 T·m |
| Mms | 47 g |
| Pe | 250 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 172 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 12.9 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 |
|---|---|---|---|---|---|---|---|---|
| Master Audio HPLSN12-500 | 52 -3 | 0.283 -0.01 | 65 +1 | 5 = | 97.7 -0.3 | close | + | |
| Fane Colossus 12MB | 55 = | 0.286 = | 56 -8 | 5.5 +0.5 | 98 = | close | + | |
| B&C 12CL64 | 52 -3 | 0.3 +0.01 | 64 = | 4.5 -0.5 | 98 = | close | Xmax 4.5 mm < 5 mm: lower excursion-limited SPL | + |
| LaVoce WSN122.50-4 | 49 -6 | 0.29 = | 64.43 +0.43 | 5.3 +0.3 | 97 -1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Peavey BLACK WIDOW 1205-8 | 55.6 +0.6 | 0.28 -0.01 | 69 +5 | 4.5 -0.5 | 98 = | close | 5.2 Ω vs 8 Ω: amp load changes · Xmax 4.5 mm < 5 mm: lower excursion-limited SPL | + |
| RCF MB 12X301 | 50 -5 | 0.29 = | 70 +6 | 5.9 +0.9 | 98.3 +0.3 | close | + | |
| JBL 2206H | 52 -3 | 0.316 +0.03 | 62.3 -1.7 | 5.9 +0.9 | 97.9 -0.1 | close | + | |
| RCF LF 12G300 | 54 -1 | 0.285 -0.01 | 55 -9 | 4.6 -0.4 | 98.1 +0.1 | close | Xmax 4.6 mm < 5 mm: lower excursion-limited SPL | + |
| 18 Sound 12NCX750 | 58 +3 | 0.296 +0.01 | 63 -1 | 4.6 -0.4 | 99.7 +1.7 | close | Xmax 4.6 mm < 5 mm: lower excursion-limited SPL | + |
| 18 Sound 12ND830 | 55 = | 0.28 -0.01 | 72 +8 | 6.5 +1.5 | 99 +1 | close | + |
Compare the closest 3 against the 12FW64 →
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.