Ciare M320.75 C/Fx - 08
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.155 |
| Qes | 0.17 |
| Qms | 1.79 |
| Vas | 106 L |
| Sd | 551.6 cm² |
| Xmax | 2.3 mm |
| Re | 6.15 Ω |
| Bl | 24.1 T·m |
| Mms | 63.7 g |
| Pe | 100 W |
| Sensitivity | 99.1 dB |
Alignment hint
| EBP | 235 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.4 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 12N810 | 40.7 +0.7 | 0.16 +0.01 | 89.6 -16.4 | 2.5 +0.2 | 100 +0.9 | close | + | |
| Beyma 12G250/R | 42 +2 | 0.173 +0.02 | 106 = | 2 -0.3 | 99.5 +0.4 | close | Xmax 2 mm < 2.3 mm: lower excursion-limited SPL | + |
| Beyma 12G200 | 40 = | 0.184 +0.03 | 108 +2 | 3 +0.7 | 98.3 -0.8 | close | + | |
| BMS 12N820 | 37.8 -2.2 | 0.16 +0.01 | 98.7 -7.3 | 4.5 +2.2 | 98 -1.1 | close | + | |
| Beyma LIBERTY | 37 -3 | 0.167 +0.01 | 130 +24 | 2.5 +0.2 | 99.3 +0.2 | close | + | |
| Audax PR33S100 vp1 | 36.8 -3.2 | 0.164 +0.01 | 124.3 +18.3 | 3.8 +1.5 | 98.9 -0.2 | close | + | |
| RCF L12P110K | 44 +4 | 0.13 -0.02 | 98 -8 | 3 +0.7 | 99.6 +0.5 | usable | + | |
| RCF L 12P110K | 44 +4 | 0.136 -0.02 | 98 -8 | 3 +0.7 | 101.3 +2.2 | usable | + | |
| B&C 12 NW 76 | 40 = | 0.163 +0.01 | 76 -30 | 4.8 +2.5 | 98.3 -0.8 | usable | + | |
| PD PD 123C001 | 35 -5 | 0.144 -0.01 | 122 +16 | 6.4 +4.1 | 99.1 = | usable | + |
Compare the closest 3 against the M320.75 C/Fx - 08 →
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.