Fluxmag 1504-BM
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 22.7 Hz |
| Qts | 0.183 |
| Qes | 0.19 |
| Qms | 4.95 |
| Vas | 469.9 L |
| Sd | 881 cm² |
| Xmax | 5 mm |
| Re | 5.75 Ω |
| Bl | 22.2 T·m |
| Mms | 113.6 g |
| Pe | 200 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 119 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 33.7 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 |
|---|---|---|---|---|---|---|---|---|
| Supravox 400 GN-A | 23 +0.3 | 0.196 +0.01 | 448 -21.9 | 5 = | 97.2 -0.8 | close | 120 W vs 200 W: lower power handling | + |
| Tannoy DU 386 | 22 -0.7 | 0.185 = | 483 +13.1 | 4 -1 | 97.6 -0.4 | close | 85 W vs 200 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL | + |
| Tannoy HPD 385A | 22 -0.7 | 0.185 = | 483 +13.1 | 4 -1 | 97.6 -0.4 | close | 85 W vs 200 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL | + |
| Tannoy K3828 | 22 -0.7 | 0.185 = | 483 +13.1 | 4 -1 | 97.6 -0.4 | close | 85 W vs 200 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL | + |
| Tannoy K3838 | 22 -0.7 | 0.176 -0.01 | 481.4 +11.5 | 4 -1 | 97.9 -0.1 | close | 120 W vs 200 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL | + |
| Gauss 4583F | 22 -0.7 | 0.197 +0.01 | 432 -37.9 | 6.3 +1.3 | 97.1 -0.9 | close | + | |
| Beyma 15B42 | 24.2 +1.5 | 0.185 = | 480.9 +11 | 4 -1 | 98.8 +0.8 | close | 150 W vs 200 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL | + |
| Supravox 400-2000EXC_15V | 25 +2.3 | 0.196 +0.01 | 429 -40.9 | 4.9 -0.1 | 98.1 +0.1 | close | 120 W vs 200 W: lower power handling · Xmax 4.9 mm < 5 mm: lower excursion-limited SPL | + |
| JBL 2234H | 23 +0.3 | 0.222 +0.04 | 458.7 -11.2 | 5.1 +0.1 | 96.7 -1.3 | close | 150 W vs 200 W: lower power handling | + |
| Audax PR380M2 v2009 | 25 +2.3 | 0.191 +0.01 | 380 -89.9 | 5.5 +0.5 | 98.2 +0.2 | close | + |
Compare the closest 3 against the 1504-BM →
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.