RCF CX 10N251 v2015
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 72 Hz |
| Qts | 0.237 |
| Qes | 0.25 |
| Qms | 4.5 |
| Vas | 25 L |
| Sd | 350 cm² |
| Xmax | 3 mm |
| Re | 5.2 Ω |
| Bl | 17.8 T·m |
| Mms | 33.6 g |
| Pe | 300 W |
| Sensitivity | 99.6 dB |
Alignment hint
| EBP | 288 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 3.2 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 |
|---|---|---|---|---|---|---|---|---|
| RCF 10 CX251 | 72 = | 0.237 = | 25 = | 3 = | 99.6 = | close | + | |
| RCF CX 10 N 251 | 72 = | 0.237 = | 25 = | 3 = | 99.6 = | close | + | |
| RCF CX 10N251 | 72 = | 0.237 = | 25 = | 3 = | 99.6 = | close | + | |
| P.Audio P10/100MB | 73 +1 | 0.234 = | 26.7 +1.7 | 2.5 -0.5 | 99.1 -0.5 | close | 200 W vs 300 W: lower power handling · Xmax 2.5 mm < 3 mm: lower excursion-limited SPL | + |
| RCF L 10/750YK | 68 -4 | 0.236 = | 26 +1 | 2.5 -0.5 | 99.1 -0.5 | close | Xmax 2.5 mm < 3 mm: lower excursion-limited SPL | + |
| 18 Sound 10M600 | 70 -2 | 0.23 -0.01 | 25.6 +0.6 | 4 +1 | 102 +2.4 | close | + | |
| LaVoce WAN103.01 | 70 -2 | 0.22 -0.02 | 22.29 -2.71 | 5 +2 | 99 -0.6 | close | + | |
| Oberton 10MB300 | 64.7 -7.3 | 0.244 +0.01 | 22.75 -2.25 | 5.25 +2.25 | 99 -0.6 | close | + | |
| RCF L10/750YK | 68 -4 | 0.24 = | 26 +1 | 2.5 -0.5 | 97 -2.6 | close | 6 Ω vs 8 Ω: amp load changes · 175 W vs 300 W: lower power handling · Xmax 2.5 mm < 3 mm: lower excursion-limited SPL | + |
| B&C 10MBX64 | 65 -7 | 0.26 +0.02 | 28 +3 | 4 +1 | 100 +0.4 | close | + |
Compare the closest 3 against the CX 10N251 v2015 →
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.