Bozak B-199A 8 Ohms
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39 Hz |
| Qts | 0.622 |
| Qes | 0.776 |
| Qms | 3.13 |
| Vas | 180.1 L |
| Sd | 517.7 cm² |
| Xmax | 2 mm |
| Re | 5.7 Ω |
| Bl | 7.9 T·m |
| Mms | 34.7 g |
| Pe | 50 W |
| Sensitivity | 94.8 dB |
Alignment hint
| EBP | 50 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 616 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| Bozak B-199A 16 Ohms | 39 = | 0.622 = | 180.1 = | 2 = | 91.6 -3.2 | close | 16 Ω vs 8 Ω: amp load changes | + |
| EMS LB12 MKII vp JTR2 | 37.7 -1.3 | 0.548 -0.07 | 173.7 -6.4 | 3 +1 | 93.9 -0.9 | close | + | |
| EMS LB12 MKII vp JTR1 | 39 = | 0.543 -0.08 | 162 -18.1 | 3 +1 | 94.1 -0.7 | close | + | |
| Audio Nirvana SUPER 12AL | 37 -2 | 0.635 +0.01 | 236 +55.9 | 3 +1 | 94.6 -0.2 | close | + | |
| Audio Nirvana 12AL | 37 -2 | 0.65 +0.03 | 236 +55.9 | 3 +1 | 94.5 -0.3 | close | 30 W vs 50 W: lower power handling | + |
| Altec 412 vp1 | 33.7 -5.3 | 0.625 = | 230.5 +50.4 | 3 +1 | 95 +0.2 | usable | 20 W vs 50 W: lower power handling | + |
| Cabasse 30BZ18 v1 | 36 -3 | 0.616 -0.01 | 243 +62.9 | 4 +2 | 94.8 = | usable | + | |
| Electro-Voice SP12C | 45 +6 | 0.665 +0.04 | 167.1 -13 | 4 +2 | 96.7 +1.9 | usable | + | |
| Monacor SP-302C | 33 -6 | 0.607 -0.02 | 155 -25.1 | 5 +3 | 94.3 -0.5 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Philips AD1256 vp A | 36.9 -2.1 | 0.59 -0.03 | 244.9 +64.8 | 4.3 +2.3 | 94.7 -0.1 | usable | + |
Compare the closest 3 against the B-199A 8 Ohms →
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.