Max Speaker PV-1230 4 Ohms
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 20 Hz |
| Qts | 0.452 |
| Qes | 0.51 |
| Qms | 4 |
| Vas | 317 L |
| Sd | 531 cm² |
| Xmax | 4 mm |
| Re | 2.9 Ω |
| Bl | 7.5 T·m |
| Mms | 79 g |
| Pe | 125 W |
| Sensitivity | 93.4 dB |
Alignment hint
| EBP | 39 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 219 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Max Speaker PV-1230 8 Ohms | 20 = | 0.452 = | 317 = | 4 = | 90.5 -2.9 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Celestion T1600 vp 1 | 23.6 +3.6 | 0.463 +0.01 | 350 +33 | 4 = | 92.2 -1.2 | close | 8 Ω vs 4 Ω: amp load changes · 80 W vs 125 W: lower power handling | + |
| Ciare HW320 | 27 +7 | 0.445 -0.01 | 293 -24 | 4.1 +0.1 | 93.4 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| SEAS 33F-WK MH | 21.6 +1.6 | 0.383 -0.07 | 327.7 +10.7 | 5 +1 | 92.1 -1.3 | close | 8 Ω vs 4 Ω: amp load changes · 80 W vs 125 W: lower power handling | + |
| RCF L 12P48 | 19.5 -0.5 | 0.421 -0.03 | 270 -47 | 5.5 +1.5 | 90.6 -2.8 | usable | 8 Ω vs 4 Ω: amp load changes · 75 W vs 125 W: lower power handling | + |
| RCF L12P48 | 19.5 -0.5 | 0.43 -0.02 | 270 -47 | 5.5 +1.5 | 88.3 -5.1 | usable | 8 Ω vs 4 Ω: amp load changes · 75 W vs 125 W: lower power handling | + |
| Audiotechnology FLEXUNIT 12D775210KAP Custom | 19 -1 | 0.388 -0.06 | 340 +23 | 8.6 +4.6 | 91.1 -2.3 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Audiotechnology FLEXUNIT 12B775210KAP Custom | 19 -1 | 0.382 -0.07 | 340 +23 | 8.6 +4.6 | 91.2 -2.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Wharfedale 3014 | 20.7 +0.7 | 0.342 -0.11 | 319.1 +2.1 | 8 +4 | 92.2 -1.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Audax LFH507 | 20 = | 0.483 +0.03 | 513.5 +196.5 | 4.5 +0.5 | 92 -1.4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the PV-1230 4 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.