Beyma 21L45
Paramètres Thiele-Small
| Taille nominale | 21.5" |
|---|---|
| Impédance | 8 Ω |
| Fs | 25 Hz |
| Qts | 0.275 |
| Qes | 0.28 |
| Qms | 14.16 |
| Vas | 660 L |
| Sd | 1764 cm² |
| Xmax | 9 mm |
| Re | 6.3 Ω |
| Bl | 30.8 T·m |
| Mms | 267.9 g |
| Pe | 800 W |
| Sensibilité | 98.7 dB |
Indication d'alignement
| EBP | 89 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 117.6 L |
EBP 50-100 : fonctionne en clos ou en bass-reflex.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Candidats de substitution
| HP | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Adéquation | Notes | Comparer |
|---|---|---|---|---|---|---|---|---|
| Pyle Audio PDW21250 | 22.4 -2.6 | 0.331 +0.06 | 703.8 +43.8 | 9 = | 96.2 -2.5 | usable | + | |
| hertz Hertz Audio ML5400D | 20.7 -4.3 | 0.303 +0.03 | 613 -47 | 8.5 -0.5 | 102.9 +4.2 | usable | 2 Ω vs 8 Ω: amp load changes · Xmax 8.5 mm < 9 mm: lower excursion-limited SPL | + |
| Beyma 21LEX1600/Nd | 30 +5 | 0.272 = | 394 -266 | 9.3 +0.3 | 99.3 +0.6 | usable | + | |
| MCM Electronics 55-2985 | 25.9 +0.9 | 0.38 +0.1 | 705 +45 | 6.9 -2.1 | 97.6 -1.1 | usable | 300 W vs 800 W: lower power handling · Xmax 6.9 mm < 9 mm: lower excursion-limited SPL | + |
| RCF LF 21N451 | 30 +5 | 0.239 -0.04 | 440 -220 | 8.9 -0.1 | 100.4 +1.7 | usable | Xmax 8.9 mm < 9 mm: lower excursion-limited SPL | + |
| RCF LF 21N451 v2017 | 30 +5 | 0.259 -0.02 | 375 -285 | 8.6 -0.4 | 99.3 +0.6 | usable | Xmax 8.6 mm < 9 mm: lower excursion-limited SPL | + |
| 18 Sound 21LW400 | 28 +3 | 0.234 -0.04 | 385 -275 | 9.3 +0.3 | 99.5 +0.8 | usable | + | |
| PD PD 2150 | 22 -3 | 0.193 -0.08 | 628 -32 | 6 -3 | 98.9 +0.2 | usable | 400 W vs 800 W: lower power handling · Xmax 6 mm < 9 mm: lower excursion-limited SPL | + |
| Precision Devices PD 2150 | 22 -3 | 0.193 -0.08 | 628 -32 | 6 -3 | 98.9 +0.2 | usable | 400 W vs 800 W: lower power handling · Xmax 6 mm < 9 mm: lower excursion-limited SPL | + |
| Beyma 21PW1400FE | 30 +5 | 0.343 +0.07 | 401.5 -258.5 | 10 +1 | 98.6 -0.1 | usable | + |
Comparer les 3 plus proches avec le 21L45 →
Classé par similarité de paramètres uniquement (Qts, Fs, Vas, Xmax, sensibilité). Même taille nominale requise. Une indication, pas une simulation, modélisez l'échange avant de couper ou d'acheter.
Utilisé dans les caissons (0)
No enclosure in the catalog uses this driver yet.