18 Sound 8NM610
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 8 Ω |
| Fs | 260 Hz |
| Qts | 0.21 |
| Qes | 0.24 |
| Qms | 1.52 |
| Vas | 1.5 L |
| Sd | 220 cm² |
| Xmax | 3 mm |
| Re | 6.5 Ω |
| Bl | 28.3 T·m |
| Mms | 18 g |
| Pe | 400 W |
| Sensitivity | 104 dB |
Alignment hint
| EBP | 1083 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 0.1 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 8NM610 | 260 = | 0.23 +0.02 | 1.6 +0.1 | 3 = | 104 = | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 8NSM64 | 245 -15 | 0.34 +0.13 | 1.5 = | 2 -1 | 100 -4 | usable | 250 W vs 400 W: lower power handling · Xmax 2 mm < 3 mm: lower excursion-limited SPL | + |
| B&C 8NSM64 | 245 -15 | 0.43 +0.22 | 1.5 = | 2 -1 | 100 -4 | risky | 16 Ω vs 8 Ω: amp load changes · 250 W vs 400 W: lower power handling · Xmax 2 mm < 3 mm: lower excursion-limited SPL | + |
| Oberton 8NM201 | 102.81 -157.19 | 0.286 +0.08 | 8.07 +6.57 | 2.75 -0.25 | 98 -6 | risky | 200 W vs 400 W: lower power handling · Xmax 2.75 mm < 3 mm: lower excursion-limited SPL | + |
| 18 Sound 8NMB750 | 88 -172 | 0.27 +0.06 | 6.9 +5.4 | 6.1 +3.1 | 96.5 -7.5 | risky | + | |
| LaVoce MAF082.00 | 85 -175 | 0.2 -0.01 | 11.3 +9.8 | 2.6 -0.4 | 98.5 -5.5 | risky | 200 W vs 400 W: lower power handling · Xmax 2.6 mm < 3 mm: lower excursion-limited SPL | + |
| LaVoce WAN082.02 | 80 -180 | 0.23 +0.02 | 8.97 +7.47 | 5.8 +2.8 | 96.5 -7.5 | risky | 200 W vs 400 W: lower power handling | + |
| Oberton 8NM250v2 | 67.7 -192.3 | 0.252 +0.04 | 8.39 +6.89 | 4 +1 | 100 -4 | risky | 16 Ω vs 8 Ω: amp load changes · 250 W vs 400 W: lower power handling | + |
| LaVoce WAF082.01 | 76 -184 | 0.21 = | 10.21 +8.71 | 5.8 +2.8 | 97 -7 | risky | 250 W vs 400 W: lower power handling | + |
| 18 Sound 8MB710 | 108 -152 | 0.32 +0.11 | 9 +7.5 | 2.25 -0.75 | 99.5 -4.5 | risky | 250 W vs 400 W: lower power handling · Xmax 2.25 mm < 3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 8NM610 →
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.