Beyma 15"P80Nd
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39 Hz |
| Qts | 0.21 |
| Qes | 0.22 |
| Qms | 5.1 |
| Vas | 184 L |
| Sd | 880 cm² |
| Xmax | 7.5 mm |
| Re | 5.1 Ω |
| Bl | 23.8 T·m |
| Mms | 98 g |
| Pe | 800 W |
| Sensitivity | 101 dB |
Alignment hint
| EBP | 177 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 17.8 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 15NDL76 | 37 -2 | 0.22 +0.01 | 195 +11 | 7 -0.5 | 99.5 -1.5 | close | 500 W vs 800 W: lower power handling · Xmax 7 mm < 7.5 mm: lower excursion-limited SPL | + |
| B&C 15NW76 | 39 = | 0.21 = | 143 -41 | 8 +0.5 | 99 -2 | close | 4 Ω vs 8 Ω: amp load changes · 600 W vs 800 W: lower power handling | + |
| Beyma 15P80/ND | 35 -4 | 0.214 = | 217 +33 | 7.9 +0.4 | 100.1 -0.9 | close | + | |
| RCF MB 15N351 | 42 +3 | 0.226 +0.02 | 191 +7 | 6 -1.5 | 101.2 +0.2 | close | Xmax 6 mm < 7.5 mm: lower excursion-limited SPL | + |
| B&C 15FW76 | 40 +1 | 0.21 = | 138 -46 | 7 -0.5 | 100 -1 | close | 500 W vs 800 W: lower power handling · Xmax 7 mm < 7.5 mm: lower excursion-limited SPL | + |
| Precision Devices PD158 | 39.85 +0.85 | 0.205 -0.01 | 161.94 -22.06 | 6.5 -1 | 98.5 -2.5 | close | 600 W vs 800 W: lower power handling · Xmax 6.5 mm < 7.5 mm: lower excursion-limited SPL | + |
| Precision Devices PD153 ER | 39 = | 0.222 +0.01 | 160 -24 | 6.5 -1 | 99 -2 | close | 16 Ω vs 8 Ω: amp load changes · 400 W vs 800 W: lower power handling · Xmax 6.5 mm < 7.5 mm: lower excursion-limited SPL | + |
| 18 Sound 15ND930 | 36 -3 | 0.22 +0.01 | 206 +22 | 7.5 = | 98 -3 | close | 500 W vs 800 W: lower power handling | + |
| DAS Audio 15GN | 36 -3 | 0.213 = | 197 +13 | 6 -1.5 | 99.2 -1.8 | close | Xmax 6 mm < 7.5 mm: lower excursion-limited SPL | + |
| B&C 15 TX | 40 +1 | 0.245 +0.04 | 215.6 +31.6 | 9 +1.5 | 101.1 +0.1 | close | + |
Compare the closest 3 against the 15"P80Nd →
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.