Pioneer A30GU30-55D
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 24 Hz |
| Qts | 0.209 |
| Qes | 0.22 |
| Qms | 4.05 |
| Vas | 277 L |
| Sd | 517 cm² |
| Xmax | 3.1 mm |
| Re | 3.6 Ω |
| Bl | 12.1 T·m |
| Mms | 59.5 g |
| Pe | 150 W |
| Sensitivity | 97.9 dB |
Alignment hint
| EBP | 109 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 26.5 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 |
|---|---|---|---|---|---|---|---|---|
| Audax LFP502 | 24 = | 0.208 = | 267 -10 | 3.5 +0.4 | 95.4 -2.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Audax PR33SM150 | 24 = | 0.208 = | 267 -10 | 3.5 +0.4 | 95.4 -2.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Tannoy 3128 | 25 +1 | 0.195 -0.01 | 276 -1 | 3 -0.1 | 96.5 -1.4 | close | 8 Ω vs 4 Ω: amp load changes · 80 W vs 150 W: lower power handling · Xmax 3 mm < 3.1 mm: lower excursion-limited SPL | + |
| Tannoy HPD 315A | 25 +1 | 0.195 -0.01 | 276 -1 | 3 -0.1 | 96.5 -1.4 | close | 8 Ω vs 4 Ω: amp load changes · 60 W vs 150 W: lower power handling · Xmax 3 mm < 3.1 mm: lower excursion-limited SPL | + |
| Monacor SPH-300TC | 23 -1 | 0.239 +0.03 | 290 +13 | 4 +0.9 | 97.3 -0.6 | close | + | |
| Monacor SPH-300TC v2 | 23 -1 | 0.239 +0.03 | 290 +13 | 4 +0.9 | 97.3 -0.6 | close | + | |
| Great Plains Audio 414-8B (16B) | 25.6 +1.6 | 0.22 +0.01 | 263.1 -13.9 | 4 +0.9 | 95.3 -2.6 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Focal AUDIOM 12V | 25 +1 | 0.203 -0.01 | 318 +41 | 6 +2.9 | 97 -0.9 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Monacor SPH-300TC v1 | 23 -1 | 0.198 -0.01 | 315 +38 | 4 +0.9 | 95.4 -2.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| SEAS 33F-WKA | 22 -2 | 0.209 = | 310 +33 | 5 +1.9 | 95 -2.9 | close | 8 Ω vs 4 Ω: amp load changes · 70 W vs 150 W: lower power handling | + |
Compare the closest 3 against the A30GU30-55D →
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.