18 Sound 15MB700
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42 Hz |
| Qts | 0.29 |
| Qes | 0.31 |
| Qms | 4.6 |
| Vas | 202 L |
| Sd | 850 cm² |
| Xmax | 5.5 mm |
| Re | 5 Ω |
| Bl | 17.6 T·m |
| Mms | 73 g |
| Pe | 400 W |
| Sensitivity | 103 dB |
Alignment hint
| EBP | 135 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 40.8 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 |
|---|---|---|---|---|---|---|---|---|
| Hiwell 15NDF100C1 | 45 +3 | 0.285 -0.01 | 188 -14 | 6 +0.5 | 101.6 -1.4 | close | + | |
| Radian 5215B v2017 | 40 -2 | 0.266 -0.02 | 202 = | 5.5 = | 100.3 -2.7 | close | + | |
| Radian 5215B v2024 | 40 -2 | 0.266 -0.02 | 202 = | 5.5 = | 100.3 -2.7 | close | + | |
| 18 Sound 15NMB420 | 42 = | 0.29 = | 225 +23 | 6.5 +1 | 99 -4 | close | + | |
| Cyrille Audio BM38F76P-HR | 43.1 +1.1 | 0.291 = | 188.3 -13.7 | 4.6 -0.9 | 100.7 -2.3 | close | 300 W vs 400 W: lower power handling · Xmax 4.6 mm < 5.5 mm: lower excursion-limited SPL | + |
| JBL 2226G | 40 -2 | 0.31 +0.02 | 175.6 -26.4 | 7 +1.5 | 102.4 -0.6 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Radian 5215B oem2 | 42 = | 0.247 -0.04 | 197 -5 | 5.5 = | 100.6 -2.4 | close | + | |
| Radian 5215B oem3 | 42 = | 0.247 -0.04 | 197 -5 | 5.5 = | 100.6 -2.4 | close | + | |
| Eminence PS15-5008 | 38.8 -3.2 | 0.273 -0.02 | 198.7 -3.3 | 6.3 +0.8 | 99.8 -3.2 | close | + | |
| PD PD 153 C01 | 39 -3 | 0.265 -0.02 | 195 -7 | 5.5 = | 100.2 -2.8 | close | + |
Compare the closest 3 against the 15MB700 →
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.