PD PDN 12MH25
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 58.2 Hz |
| Qts | 0.211 |
| Qes | 0.219 |
| Qms | 5.811 |
| Vas | 58.7 L |
| Sd | 530.9 cm² |
| Xmax | 2.6 mm |
| Re | 5.74 Ω |
| Bl | 22 T·m |
| Mms | 50.4 g |
| Pe | 300 W |
| Sensitivity | 100.6 dB |
Alignment hint
| EBP | 266 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.7 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 |
|---|---|---|---|---|---|---|---|---|
| Precision Devices PDN 12MH25 | 58.2 = | 0.211 = | 58.7 = | 2.6 = | 100.6 = | close | + | |
| PD PD 121 | 59 +0.8 | 0.201 -0.01 | 54 -4.7 | 2.7 +0.1 | 100.7 +0.1 | close | + | |
| Precision Devices PD 121 | 59 +0.8 | 0.201 -0.01 | 54 -4.7 | 2.7 +0.1 | 100.7 +0.1 | close | + | |
| Beyma 12"MI100 | 58 -0.2 | 0.22 +0.01 | 64 +5.3 | 3 +0.4 | 100 -0.6 | close | + | |
| Beyma 12MI100 | 58 -0.2 | 0.221 +0.01 | 64 +5.3 | 4.2 +1.6 | 100.4 -0.2 | close | + | |
| Conrad CPA12-200 | 54.6 -3.6 | 0.19 -0.02 | 60.5 +1.8 | 2.6 = | 100 -0.6 | close | 200 W vs 300 W: lower power handling | + |
| RCF MB 12N351 | 55 -3.2 | 0.201 -0.01 | 61 +2.3 | 4.7 +2.1 | 100.4 -0.2 | close | + | |
| Precision Devices PD121 | 59 +0.8 | 0.201 -0.01 | 54 -4.7 | 5 +2.4 | 100 -0.6 | close | 16 Ω vs 8 Ω: amp load changes | + |
| RCF CX 12N351 V2017 | 58 -0.2 | 0.202 -0.01 | 47 -11.7 | 3.6 +1 | 99.8 -0.8 | close | + | |
| 18 Sound 12NMB1000 | 54 -4.2 | 0.19 -0.02 | 58 -0.7 | 3.5 +0.9 | 102 +1.4 | close | + |
Compare the closest 3 against the PDN 12MH25 →
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.