18 Sound 15MB1000
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 48 Hz |
| Qts | 0.31 |
| Qes | 0.32 |
| Qms | 6 |
| Vas | 132.5 L |
| Sd | 850 cm² |
| Xmax | 6 mm |
| Re | 5.5 Ω |
| Bl | 21 T·m |
| Mms | 85 g |
| Pe | 850 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 150 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 31.5 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 15CX1000 | 48 = | 0.304 -0.01 | 132.5 = | 6 = | 100.2 +2.2 | close | + | |
| RCF L 15S801 | 48 = | 0.32 +0.01 | 113 -19.5 | 6 = | 98.9 +0.9 | close | + | |
| RCF L 15S801-8 | 48 = | 0.32 +0.01 | 113 -19.5 | 6 = | 98.9 +0.9 | close | + | |
| PD PD 155N01 | 45 -3 | 0.313 = | 113.4 -19.1 | 5.7 -0.3 | 98 = | close | Xmax 5.7 mm < 6 mm: lower excursion-limited SPL | + |
| Precision Devices PD 155N01 | 45 -3 | 0.313 = | 113.4 -19.1 | 5.7 -0.3 | 98 = | close | Xmax 5.7 mm < 6 mm: lower excursion-limited SPL | + |
| RCF MB 15X351 | 46 -2 | 0.315 +0.01 | 114 -18.5 | 5.9 -0.1 | 99 +1 | close | Xmax 5.9 mm < 6 mm: lower excursion-limited SPL | + |
| Beyma 15G450 | 45 -3 | 0.32 +0.01 | 115 -17.5 | 6.2 +0.2 | 98.5 +0.5 | close | + | |
| Beyma 15G450/N | 45 -3 | 0.32 +0.01 | 115 -17.5 | 6.2 +0.2 | 98.5 +0.5 | close | + | |
| Radian 2215 B-8 | 41.8 -6.2 | 0.321 +0.01 | 135.5 +3 | 6 = | 97 -1 | close | + | |
| Sica 15 PF 3 | 45 -3 | 0.31 = | 117.6 -14.9 | 8 +2 | 99.1 +1.1 | close | + |
Compare the closest 3 against the 15MB1000 →
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.