Monacor SP-12/300NEO
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 53 Hz |
| Qts | 0.252 |
| Qes | 0.26 |
| Qms | 7.93 |
| Vas | 68 L |
| Sd | 500 cm² |
| Xmax | 3.5 mm |
| Re | 5.5 Ω |
| Bl | 18.1 T·m |
| Mms | 46.5 g |
| Pe | 300 W |
| Sensitivity | 99.5 dB |
Alignment hint
| EBP | 204 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.9 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-12A/300NEO | 53 = | 0.252 = | 68 = | 3.5 = | 99.5 = | close | + | |
| 18 Sound 12CX800 | 53 = | 0.253 = | 73 +5 | 4.7 +1.2 | 99.4 -0.1 | close | + | |
| RCF MB 12G301 | 53 = | 0.264 +0.01 | 72 +4 | 4.8 +1.3 | 99.5 = | close | + | |
| RCF MB 12N301 | 54 +1 | 0.24 -0.01 | 71 +3 | 4.9 +1.4 | 99.7 +0.2 | close | + | |
| Monacor SP-30A/250PA | 52 -1 | 0.239 -0.01 | 62 -6 | 3.4 -0.1 | 99.1 -0.4 | close | Xmax 3.4 mm < 3.5 mm: lower excursion-limited SPL | + |
| Monacor SP-30A/300NEO | 52 -1 | 0.239 -0.01 | 60 -8 | 3.5 = | 99.2 -0.3 | close | + | |
| P.Audio C12-300MB | 50 -3 | 0.256 = | 79.4 +11.4 | 3.5 = | 99.3 -0.2 | close | + | |
| Ciare PW330 | 55 +2 | 0.282 +0.03 | 65 -3 | 3.8 +0.3 | 99.5 = | close | + | |
| Celestion TN1230 | 49 -4 | 0.266 +0.01 | 70.3 +2.3 | 3.8 +0.3 | 98.6 -0.9 | close | + | |
| Celestion TN1230 v2009 | 49 -4 | 0.266 +0.01 | 70.3 +2.3 | 3.8 +0.3 | 98.6 -0.9 | close | + |
Compare the closest 3 against the SP-12/300NEO →
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.