18 Sound PWX12
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 61.3 Hz |
| Qts | 0.341 |
| Qes | 0.433 |
| Qms | 1.6 |
| Vas | 56.2 L |
| Sd | 530 cm² |
| Xmax | 2.9 mm |
| Re | 5.26 Ω |
| Bl | 14.9 T·m |
| Mms | 47.3 g |
| Pe | 200 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 142 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 17 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion TN1225 | 60.5 -0.8 | 0.33 -0.01 | 53.9 -2.3 | 2.5 -0.4 | 99 +0.4 | close | Xmax 2.5 mm < 2.9 mm: lower excursion-limited SPL | + |
| Fostex L 363 B | 55 -6.3 | 0.33 -0.01 | 57 +0.8 | 2.9 = | 97 -1.6 | close | 150 W vs 200 W: lower power handling | + |
| Beyma 12"MC500 | 57 -4.3 | 0.34 = | 57 +0.8 | 8 +5.1 | 98 -0.6 | close | + | |
| Monacor SP-312CX | 55 -6.3 | 0.328 -0.01 | 64 +7.8 | 3 +0.1 | 98.2 -0.4 | close | + | |
| 18 Sound 12W700 | 58 -3.3 | 0.36 +0.02 | 55 -1.2 | 6.5 +3.6 | 98 -0.6 | close | + | |
| RCF L 12P520 | 65 +3.7 | 0.355 +0.01 | 49 -7.2 | 3.4 +0.5 | 99.6 +1 | close | + | |
| Electro-Voice DL12BFH | 60 -1.3 | 0.307 -0.03 | 55 -1.2 | 4 +1.1 | 100.3 +1.7 | close | + | |
| RCF MB 12G300 | 61 -0.3 | 0.301 -0.04 | 57 +0.8 | 4.3 +1.4 | 100.1 +1.5 | close | + | |
| JBL 2023H | 67 +5.7 | 0.347 +0.01 | 48.8 -7.4 | 3.7 +0.8 | 99.8 +1.2 | close | + | |
| Radian 5312-8 | 54.2 -7.1 | 0.362 +0.02 | 54.8 -1.4 | 2.9 = | 96.4 -2.2 | close | + |
Compare the closest 3 against the PWX12 →
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.