Scan-Speak 32W/4878T00
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 18 Hz |
| Qts | 0.315 |
| Qes | 0.33 |
| Qms | 7 |
| Vas | 207.1 L |
| Sd | 531 cm² |
| Xmax | 11 mm |
| Re | 3.1 Ω |
| Bl | 12.6 T·m |
| Mms | 149.2 g |
| Pe | 200 W |
| Sensitivity | 91.7 dB |
Alignment hint
| EBP | 55 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 51.3 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 |
|---|---|---|---|---|---|---|---|---|
| Scan-Speak 32W/4878T00 v2015 | 18 = | 0.315 = | 203.9 -3.2 | 11.1 +0.1 | 91.7 = | close | + | |
| Scan-Speak 30W/4558T00 | 17 -1 | 0.318 = | 197 -10.1 | 10.9 -0.1 | 91.4 -0.3 | close | 150 W vs 200 W: lower power handling · Xmax 10.9 mm < 11 mm: lower excursion-limited SPL | + |
| Scan-Speak 30W/4558T00SGERW | 17 -1 | 0.318 = | 197 -10.1 | 12.5 +1.5 | 91.4 -0.3 | close | + | |
| SB Acoustics SB34SWNRX-S75-6 | 18 = | 0.334 +0.02 | 183 -24.1 | 11 = | 89.3 -2.4 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Accuton AUTOSOM | 19.4 +1.4 | 0.344 +0.03 | 169 -38.1 | 12.5 +1.5 | 92.2 +0.5 | close | + | |
| SB Acoustics SB34SWNRX-S75-6 v2012 | 19 +1 | 0.318 = | 164 -43.1 | 9.9 -1.1 | 89.7 -2 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 9.9 mm < 11 mm: lower excursion-limited SPL | + |
| SB Acoustics SB34NRXL75-8 | 22 +4 | 0.275 -0.04 | 205 -2.1 | 9.6 -1.4 | 91.9 +0.2 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 9.6 mm < 11 mm: lower excursion-limited SPL | + |
| Peerless 830952 | 19.1 +1.1 | 0.365 +0.05 | 159 -48.1 | 13 +2 | 91.5 -0.2 | usable | + | |
| Peerless XXLS-835017 | 19.4 +1.4 | 0.344 +0.03 | 169 -38.1 | 8.9 -2.1 | 92.2 +0.5 | usable | 120 W vs 200 W: lower power handling · Xmax 8.9 mm < 11 mm: lower excursion-limited SPL | + |
| Peerless NE315W-04 | 20 +2 | 0.314 = | 201.7 -5.4 | 6.7 -4.3 | 93.6 +1.9 | usable | 75 W vs 200 W: lower power handling · Xmax 6.7 mm < 11 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 32W/4878T00 →
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.