McCauley 6174
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 20 Hz |
| Qts | 0.336 |
| Qes | 0.38 |
| Qms | 2.9 |
| Vas | 733.4 L |
| Sd | 1283.9 cm² |
| Xmax | 15.2 mm |
| Re | 5.6 Ω |
| Bl | 19.2 T·m |
| Mms | 199.5 g |
| Pe | 800 W |
| Sensitivity | 95.4 dB |
Alignment hint
| EBP | 53 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 213.9 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 |
|---|---|---|---|---|---|---|---|---|
| Altec 3182 vp | 20.3 +0.3 | 0.343 +0.01 | 1159.7 +426.3 | 10.2 -5 | 96.5 +1.1 | usable | 180 W vs 800 W: lower power handling · Xmax 10.2 mm < 15.2 mm: lower excursion-limited SPL | + |
| Fostex FW 505 | 20 = | 0.404 +0.07 | 860 +126.6 | 8.5 -6.7 | 94.3 -1.1 | usable | 150 W vs 800 W: lower power handling · Xmax 8.5 mm < 15.2 mm: lower excursion-limited SPL | + |
| Altec 3182 | 18 -2 | 0.398 +0.06 | 991.1 +257.7 | 10.7 -4.5 | 93.5 -1.9 | usable | 180 W vs 800 W: lower power handling · Xmax 10.7 mm < 15.2 mm: lower excursion-limited SPL | + |
| AE Speakers IB18HT-4ohm | 18.4 -1.6 | 0.567 +0.23 | 632.1 -101.3 | 16.7 +1.5 | 94.5 -0.9 | usable | 4 Ω vs 8 Ω: amp load changes · 500 W vs 800 W: lower power handling | + |
| Eminence 111712 | 21.6 +1.6 | 0.288 -0.05 | 736.2 +2.8 | 5.8 -9.4 | 97.1 +1.7 | usable | Xmax 5.8 mm < 15.2 mm: lower excursion-limited SPL | + |
| JBL 2245H | 20 = | 0.24 -0.1 | 821.2 +87.8 | 8.5 -6.7 | 97.2 +1.8 | usable | 300 W vs 800 W: lower power handling · Xmax 8.5 mm < 15.2 mm: lower excursion-limited SPL | + |
| BMS 18N862 | 25.1 +5.1 | 0.34 = | 312 -421.4 | 19 +3.8 | 95 -0.4 | usable | + | |
| RCF L 18P200KN | 22.3 +2.3 | 0.265 -0.07 | 550 -183.4 | 9 -6.2 | 96.4 +1 | usable | 350 W vs 800 W: lower power handling · Xmax 9 mm < 15.2 mm: lower excursion-limited SPL | + |
| Stereo Integrity HT 18 | 17 -3 | 0.383 +0.05 | 411.9 -321.5 | 25.1 +9.9 | 92.5 -2.9 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| BMS 18N862 vp | 24.8 +4.8 | 0.383 +0.05 | 345.6 -387.8 | 16.2 +1 | 94.8 -0.6 | usable | + |
Compare the closest 3 against the 6174 →
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.