Peavey 1504 v1981
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 35 Hz |
| Qts | 0.17 |
| Qes | 0.19 |
| Qms | 1.615 |
| Vas | 312 L |
| Sd | 800 cm² |
| Xmax | 4 mm |
| Re | 3.2 Ω |
| Bl | 14.8 T·m |
| Mms | 59.5 g |
| Pe | 200 W |
| Sensitivity | 104.4 dB |
Alignment hint
| EBP | 184 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 19.1 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 15"P80Fe/N | 32 -3 | 0.18 +0.01 | 305 -7 | 7.5 +3.5 | 101 -3.4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| JBL 2220H | 37 +2 | 0.174 = | 297.3 -14.7 | 2.7 -1.3 | 102.7 -1.7 | usable | 8 Ω vs 4 Ω: amp load changes · 100 W vs 200 W: lower power handling · Xmax 2.7 mm < 4 mm: lower excursion-limited SPL | + |
| JBL E140 | 32 -3 | 0.183 +0.01 | 297.3 -14.7 | 3.6 -0.4 | 100.7 -3.7 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 3.6 mm < 4 mm: lower excursion-limited SPL | + |
| Beyma 15P80FE/N | 32 -3 | 0.184 +0.01 | 305 -7 | 8.8 +4.8 | 101 -3.4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| DAS Audio MI-30 | 34.3 -0.7 | 0.203 +0.03 | 360 +48 | 4.3 +0.3 | 101.2 -3.2 | usable | 8 Ω vs 4 Ω: amp load changes · 150 W vs 200 W: lower power handling | + |
| Altec 515-8GHP | 37 +2 | 0.187 +0.02 | 342.6 +30.6 | 2.8 -1.2 | 103 -1.4 | usable | 8 Ω vs 4 Ω: amp load changes · 75 W vs 200 W: lower power handling · Xmax 2.8 mm < 4 mm: lower excursion-limited SPL | + |
| Benett 15.200 X/N | 34.3 -0.7 | 0.211 +0.04 | 338 +26 | 5 +1 | 101.2 -3.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Iconic Speakers 165-8GHP | 37 +2 | 0.191 +0.02 | 354.9 +42.9 | 3 -1 | 103.1 -1.3 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 3 mm < 4 mm: lower excursion-limited SPL | + |
| Beyma 15P80/ND v2015 | 33 -2 | 0.178 +0.01 | 250 -62 | 7.8 +3.8 | 100.9 -3.5 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Beyma 15MI100 vp francis | 38 +3 | 0.175 = | 217 -95 | 4.5 +0.5 | 101.2 -3.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the 1504 v1981 →
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.