Boston Acoustics COMPETITOR 1000S4
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 4 Ω |
| Fs | 34 Hz |
| Qts | 0.53 |
| Qes | 0.57 |
| Qms | 7.8 |
| Vas | 35 L |
| Sd | 315 cm² |
| Xmax | 8.5 mm |
| Re | 3.1 Ω |
| Bl | 10 T·m |
| Mms | 86 g |
| Pe | 850 W |
| Sensitivity | 85.7 dB |
Alignment hint
| EBP | 60 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 44.9 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 |
|---|---|---|---|---|---|---|---|---|
| Brax MATRIX 10.1 | 35.8 +1.8 | 0.53 = | 35.34 +0.34 | 12.5 +4 | 86.5 +0.8 | close | 600 W vs 850 W: lower power handling | + |
| Morel PRIMO 104 | 35 +1 | 0.56 +0.03 | 38 +3 | 8 -0.5 | 85.6 -0.1 | close | 300 W vs 850 W: lower power handling · Xmax 8 mm < 8.5 mm: lower excursion-limited SPL | + |
| JL Audio 10W3V3-2 | 33 -1 | 0.495 -0.04 | 32.17 -2.83 | 14 +5.5 | 85.37 -0.33 | close | 2 Ω vs 4 Ω: amp load changes · 500 W vs 850 W: lower power handling | + |
| American Bass SL 104 | 33.6 -0.4 | 0.52 -0.01 | 26.8 -8.2 | 8.5 = | 84.3 -1.4 | close | 250 W vs 850 W: lower power handling | + |
| Rockford Fosgate P1S4-10 | 30 -4 | 0.52 -0.01 | 40 +5 | 9 +0.5 | 84.2 -1.5 | close | 250 W vs 850 W: lower power handling | + |
| Rockford Fosgate P1S2-10 | 30 -4 | 0.52 -0.01 | 39.6 +4.6 | 9 +0.5 | 84 -1.7 | close | 2 Ω vs 4 Ω: amp load changes · 250 W vs 850 W: lower power handling | + |
| Polk Audio DB1040 | 35 +1 | 0.55 +0.02 | 28.3 -6.7 | 7.5 -1 | 85 -0.7 | close | 270 W vs 850 W: lower power handling · Xmax 7.5 mm < 8.5 mm: lower excursion-limited SPL | + |
| JL Audio 10W7AE-3 | 30.6 -3.4 | 0.537 +0.01 | 36.1 +1.1 | 12 +3.5 | 89.1 +3.4 | close | + | |
| JL Audio 10W7AE-3 | 30.6 -3.4 | 0.537 +0.01 | 36.1 +1.1 | 23 +14.5 | 84.4 -1.3 | close | 3 Ω vs 4 Ω: amp load changes | + |
| JL Audio 10W0V3-4 | 32.1 -1.9 | 0.604 +0.07 | 31 -4 | 8.7 +0.2 | 86.7 +1 | close | 8 Ω vs 4 Ω: amp load changes · 300 W vs 850 W: lower power handling | + |
Compare the closest 3 against the COMPETITOR 1000S4 →
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.