B&C 320K/C-A
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 16 Ω |
| Fs | 82 Hz |
| Qts | 0.59 |
| Qes | 0.61 |
| Qms | 14 |
| Vas | 52 L |
| Sd | 522 cm² |
| Xmax | 2 mm |
| Re | 12 Ω |
| Bl | 16.8 T·m |
| Mms | 28 g |
| Pe | 120 W |
| Sensitivity | 100 dB |
Alignment hint
| EBP | 134 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 119.2 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion G12T-75 v2026 | 85 +3 | 0.595 +0.01 | 61 +9 | 2 = | 100.4 +0.4 | close | 8 Ω vs 16 Ω: amp load changes · 75 W vs 120 W: lower power handling | + |
| B&C 320K/C-A | 82 = | 0.5 -0.09 | 53 +1 | 2 = | 101 +1 | close | 8 Ω vs 16 Ω: amp load changes | + |
| B&C 320KC-8A | 82 = | 0.5 -0.09 | 53 +1 | 2 = | 101.2 +1.2 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Celestion VINTAGE 30 | 75 -7 | 0.531 -0.06 | 60 +8 | 2.1 +0.1 | 96.5 -3.5 | usable | 60 W vs 120 W: lower power handling | + |
| Eminence CV 65A | 76 -6 | 0.582 -0.01 | 59 +7 | 1.2 -0.8 | 99 -1 | usable | 8 Ω vs 16 Ω: amp load changes · 65 W vs 120 W: lower power handling · Xmax 1.2 mm < 2 mm: lower excursion-limited SPL | + |
| Eminence GA-SC64 | 88 +6 | 0.579 -0.01 | 45 -7 | 1.2 -0.8 | 99.3 -0.7 | usable | 8 Ω vs 16 Ω: amp load changes · 40 W vs 120 W: lower power handling · Xmax 1.2 mm < 2 mm: lower excursion-limited SPL | + |
| RCF L 12/565K | 63 -19 | 0.56 -0.03 | 57 +5 | 2.9 +0.9 | 97.3 -2.7 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| Celestion G12M-65 CREAMBACK | 74 -8 | 0.655 +0.07 | 52.7 +0.7 | 1.3 -0.7 | 97.7 -2.3 | usable | 8 Ω vs 16 Ω: amp load changes · 25 W vs 120 W: lower power handling · Xmax 1.3 mm < 2 mm: lower excursion-limited SPL | + |
| Beyma 12GU | 70 -12 | 0.475 -0.11 | 60 +8 | 2 = | 98.3 -1.7 | usable | 8 Ω vs 16 Ω: amp load changes · 80 W vs 120 W: lower power handling | + |
| Celestion TRUVOX 1225 | 63 -19 | 0.5 -0.09 | 54.5 +2.5 | 2.5 +0.5 | 97.9 -2.1 | usable | 8 Ω vs 16 Ω: amp load changes | + |
Compare the closest 3 against the 320K/C-A →
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.