Beyma 12P80Nd
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.147 |
| Qes | 0.15 |
| Qms | 6.6 |
| Vas | 95.7 L |
| Sd | 550 cm² |
| Xmax | 5.5 mm |
| Re | 5.2 Ω |
| Bl | 23.3 T·m |
| Mms | 55.4 g |
| Pe | 700 W |
| Sensitivity | 101.5 dB |
Alignment hint
| EBP | 300 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 4.3 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 12ND610 | 46 +1 | 0.14 -0.01 | 94.4 -1.3 | 3.5 -2 | 102 +0.5 | close | 450 W vs 700 W: lower power handling · Xmax 3.5 mm < 5.5 mm: lower excursion-limited SPL | + |
| RCF L 12P110K | 44 -1 | 0.136 -0.01 | 98 +2.3 | 3 -2.5 | 101.3 -0.2 | usable | 500 W vs 700 W: lower power handling · Xmax 3 mm < 5.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12MB600 | 44 -1 | 0.18 +0.03 | 115 +19.3 | 4.5 -1 | 101 -0.5 | usable | 450 W vs 700 W: lower power handling · Xmax 4.5 mm < 5.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12MB700 | 49 +4 | 0.19 +0.04 | 101 +5.3 | 4.5 -1 | 101.5 = | usable | 450 W vs 700 W: lower power handling · Xmax 4.5 mm < 5.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12MB777 | 49 +4 | 0.19 +0.04 | 101 +5.3 | 4.5 -1 | 101.5 = | usable | 450 W vs 700 W: lower power handling · Xmax 4.5 mm < 5.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12MB600 | 46 +1 | 0.19 +0.04 | 86 -9.7 | 4.5 -1 | 101 -0.5 | usable | 4 Ω vs 8 Ω: amp load changes · 450 W vs 700 W: lower power handling · Xmax 4.5 mm < 5.5 mm: lower excursion-limited SPL | + |
| PHL Audio 4090 | 39 -6 | 0.19 +0.04 | 92 -3.7 | 5.1 -0.4 | 100.6 -0.9 | usable | 4 Ω vs 8 Ω: amp load changes · 400 W vs 700 W: lower power handling · Xmax 5.1 mm < 5.5 mm: lower excursion-limited SPL | + |
| Beyma 12P80/Fe | 46 +1 | 0.186 +0.04 | 75.6 -20.1 | 5.6 +0.1 | 99.8 -1.7 | usable | + | |
| BMS 12N820 | 37.8 -7.2 | 0.16 +0.01 | 98.7 +3 | 4.5 -1 | 98 -3.5 | usable | Xmax 4.5 mm < 5.5 mm: lower excursion-limited SPL | + |
| Oberton 12NMB600 | 41.03 -3.97 | 0.134 -0.01 | 70.8 -24.9 | 5.25 -0.25 | 99 -2.5 | usable | Xmax 5.25 mm < 5.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12P80Nd →
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.