18 Sound 10NMB420 vp CF1
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 84.8 Hz |
| Qts | 0.318 |
| Qes | 0.344 |
| Qms | 4.154 |
| Vas | 26 L |
| Sd | 378.2 cm² |
| Xmax | 3.3 mm |
| Re | 5.53 Ω |
| Bl | 15.3 T·m |
| Mms | 27.2 g |
| Pe | 350 W |
| Sensitivity | 100.2 dB |
Alignment hint
| EBP | 247 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 6.6 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 MB 10G251 | 76 -8.8 | 0.335 +0.02 | 24 -2 | 3.5 +0.2 | 98.6 -1.6 | close | + | |
| RCF L 10/581K | 85 +0.2 | 0.369 +0.05 | 25 -1 | 2.5 -0.8 | 99.9 -0.3 | close | 250 W vs 350 W: lower power handling · Xmax 2.5 mm < 3.3 mm: lower excursion-limited SPL | + |
| Fane STUDIO 10M | 73 -11.8 | 0.34 +0.02 | 27.2 +1.2 | 3.1 -0.2 | 97.9 -2.3 | close | 200 W vs 350 W: lower power handling · Xmax 3.1 mm < 3.3 mm: lower excursion-limited SPL | + |
| JBL 2123H | 85 +0.2 | 0.322 = | 19.8 -6.2 | 2.5 -0.8 | 100 -0.2 | close | 250 W vs 350 W: lower power handling · Xmax 2.5 mm < 3.3 mm: lower excursion-limited SPL | + |
| LaVoce WAF102.50A | 71 -13.8 | 0.311 -0.01 | 23.6 -2.4 | 3.2 -0.1 | 97.7 -2.5 | close | 250 W vs 350 W: lower power handling · Xmax 3.2 mm < 3.3 mm: lower excursion-limited SPL | + |
| B&C 10MBX64 | 65 -19.8 | 0.3 -0.02 | 30 +4 | 4 +0.7 | 100 -0.2 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 10 CXN 64 | 68 -16.8 | 0.312 -0.01 | 23 -3 | 3.5 +0.2 | 96.9 -3.3 | usable | 250 W vs 350 W: lower power handling | + |
| 18 Sound 10NMB420 | 65 -19.8 | 0.33 +0.01 | 30 +4 | 4 +0.7 | 99 -1.2 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| RCF CX 10g251 | 72 -12.8 | 0.283 -0.04 | 33 +7 | 3.8 +0.5 | 100 -0.2 | usable | + | |
| Monacor SP-25A/200NEO | 69 -15.8 | 0.349 +0.03 | 25 -1 | 3.1 -0.2 | 97.2 -3 | usable | 200 W vs 350 W: lower power handling · Xmax 3.1 mm < 3.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 10NMB420 vp CF1 →
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.