Great Plains Audio 515-16G GPA
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 16 Ω |
| Fs | 37 Hz |
| Qts | 0.215 |
| Qes | 0.225 |
| Qms | 5 |
| Vas | 345.5 L |
| Sd | 856 cm² |
| Xmax | 3 mm |
| Re | 11.3 Ω |
| Bl | 25.3 T·m |
| Mms | 55 g |
| Pe | 75 W |
| Sensitivity | 99.4 dB |
Alignment hint
| EBP | 164 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 35.2 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 |
|---|---|---|---|---|---|---|---|---|
| Altec 515-16G | 37 = | 0.215 = | 345.5 = | 3 = | 99.4 = | close | + | |
| Iconic Speakers 165-16G | 37 = | 0.22 +0.01 | 357.9 +12.4 | 3.1 +0.1 | 99.4 = | close | + | |
| Benett 15.200 X/N | 34.3 -2.7 | 0.211 = | 338 -7.5 | 5 +2 | 101.2 +1.8 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Great Plains Audio 515-8GHP GPA | 37 = | 0.187 -0.03 | 342.6 -2.9 | 2.8 -0.2 | 101.2 +1.8 | close | Xmax 2.8 mm < 3 mm: lower excursion-limited SPL | + |
| P.Audio BM15CX38 | 36 -1 | 0.221 +0.01 | 287 -58.5 | 4.5 +1.5 | 100.2 +0.8 | close | 8 Ω vs 16 Ω: amp load changes | + |
| DAS Audio MI-30 | 34.3 -2.7 | 0.203 -0.01 | 360 +14.5 | 4.3 +1.3 | 101.2 +1.8 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Iconic Speakers 165-8GHP | 37 = | 0.191 -0.02 | 354.9 +9.4 | 3 = | 103.1 +3.7 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Beyma 15B100R vp GH | 27.3 -9.7 | 0.215 = | 334 -11.5 | 3 = | 98.6 -0.8 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Great Plains Audio 604-8H III | 33.7 -3.3 | 0.254 +0.04 | 329.9 -15.6 | 3.8 +0.8 | 99.3 -0.1 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Great Plains Audio 604-H III | 33.7 -3.3 | 0.254 +0.04 | 329.9 -15.6 | 3.8 +0.8 | 99.3 -0.1 | close | 8 Ω vs 16 Ω: amp load changes | + |
Compare the closest 3 against the 515-16G GPA →
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.