Auditor RIP 300P
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 28.9 Hz |
| Qts | 0.35 |
| Qes | 0.375 |
| Qms | 5.34 |
| Vas | 79.3 L |
| Sd | 483.1 cm² |
| Xmax | 8.8 mm |
| Re | 3.5 Ω |
| Bl | 14.6 T·m |
| Mms | 125.1 g |
| Pe | 400 W |
| Sensitivity | 92.6 dB |
Alignment hint
| EBP | 77 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 25.7 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 |
|---|---|---|---|---|---|---|---|---|
| AER SB 12 | 29 +0.1 | 0.349 = | 82 +2.7 | 7.1 -1.7 | 90.6 -2 | close | 8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling · Xmax 7.1 mm < 8.8 mm: lower excursion-limited SPL | + |
| Focal 13W 8711 | 28.8 -0.1 | 0.328 -0.02 | 87.1 +7.8 | 7.9 -0.9 | 93.4 +0.8 | close | Xmax 7.9 mm < 8.8 mm: lower excursion-limited SPL | + |
| Focal 13W 8711 vp | 28.8 -0.1 | 0.328 -0.02 | 87.1 +7.8 | 7.9 -0.9 | 93.4 +0.8 | close | Xmax 7.9 mm < 8.8 mm: lower excursion-limited SPL | + |
| Tang Band W8Q-1071F | 27 -1.9 | 0.334 -0.02 | 70.4 -8.9 | 9.7 +0.9 | 91.8 -0.8 | close | + | |
| Atohm D300P04 v2008 | 29.7 +0.8 | 0.352 = | 83.2 +3.9 | 6.4 -2.4 | 93.2 +0.6 | close | 200 W vs 400 W: lower power handling · Xmax 6.4 mm < 8.8 mm: lower excursion-limited SPL | + |
| Atohm D300P04 v2019 | 29.7 +0.8 | 0.352 = | 83.2 +3.9 | 6.4 -2.4 | 93.2 +0.6 | close | 200 W vs 400 W: lower power handling · Xmax 6.4 mm < 8.8 mm: lower excursion-limited SPL | + |
| Hertz Audio ES 300 | 28 -0.9 | 0.38 +0.03 | 89.4 +10.1 | 9 +0.2 | 94 +1.4 | close | + | |
| Audio System R12 | 27.7 -1.2 | 0.35 = | 84.3 +5 | 8.5 -0.3 | 88.6 -4 | close | Xmax 8.5 mm < 8.8 mm: lower excursion-limited SPL | + |
| hertz Hertz Audio ES300 | 28 -0.9 | 0.382 +0.03 | 89.4 +10.1 | 7.7 -1.1 | 93 +0.4 | close | Xmax 7.7 mm < 8.8 mm: lower excursion-limited SPL | + |
| BMS 12N630 | 28.6 -0.3 | 0.33 -0.02 | 85.5 +6.2 | 8 -0.8 | 96 +3.4 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 8.8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the RIP 300P →
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.