Soundstream R1-12
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 21.5 Hz |
| Qts | 0.465 |
| Qes | 0.49 |
| Qms | 9.21 |
| Vas | 81.1 L |
| Sd | 510.7 cm² |
| Xmax | 18 mm |
| Re | 6.8 Ω |
| Bl | 21.5 T·m |
| Mms | 247.1 g |
| Pe | 1000 W |
| Sensitivity | 84.8 dB |
Alignment hint
| EBP | 44 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 61.8 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Eclipse 8712.8 | 20 -1.5 | 0.39 -0.08 | 84.95 +3.85 | 18.5 +0.5 | 84.1 -0.7 | close | 200 W vs 1000 W: lower power handling | + |
| JL Audio 12W6V2-D4 | 25 +3.5 | 0.45 -0.02 | 79.9 -1.2 | 12.7 -5.3 | 86.9 +2.1 | usable | 600 W vs 1000 W: lower power handling · Xmax 12.7 mm < 18 mm: lower excursion-limited SPL | + |
| RE Audio XXX12-V2-4 | 21 -0.5 | 0.404 -0.06 | 73.9 -7.2 | 13.5 -4.5 | 86.5 +1.7 | usable | Xmax 13.5 mm < 18 mm: lower excursion-limited SPL | + |
| Infinity KAPPA PERFECT 12.1 | 23.32 +1.82 | 0.44 -0.03 | 99.97 +18.87 | 14.15 -3.85 | 86.2 +1.4 | usable | 4 Ω vs 8 Ω: amp load changes · 350 W vs 1000 W: lower power handling · Xmax 14.15 mm < 18 mm: lower excursion-limited SPL | + |
| Infinity REFERENCE 1240W | 25.4 +3.9 | 0.47 = | 84.4 +3.3 | 11.5 -6.5 | 86.3 +1.5 | usable | 4 Ω vs 8 Ω: amp load changes · 300 W vs 1000 W: lower power handling · Xmax 11.5 mm < 18 mm: lower excursion-limited SPL | + |
| Infinity REFERENCE 1250W | 25.4 +3.9 | 0.47 = | 84.4 +3.3 | 11.5 -6.5 | 86.3 +1.5 | usable | 4 Ω vs 8 Ω: amp load changes · 300 W vs 1000 W: lower power handling · Xmax 11.5 mm < 18 mm: lower excursion-limited SPL | + |
| Infinity REFERENCE 1260W | 23.5 +2 | 0.39 -0.08 | 83 +1.9 | 13 -5 | 86 +1.2 | usable | 4 Ω vs 8 Ω: amp load changes · 300 W vs 1000 W: lower power handling · Xmax 13 mm < 18 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS315HFA-8 v2016 | 22.2 +0.7 | 0.444 -0.02 | 97.2 +16.1 | 11 -7 | 85.8 +1 | usable | 400 W vs 1000 W: lower power handling · Xmax 11 mm < 18 mm: lower excursion-limited SPL | + |
| Tang Band WQ-1858 | 20 -1.5 | 0.451 -0.01 | 116 +34.9 | 13.3 -4.7 | 85.3 +0.5 | usable | 500 W vs 1000 W: lower power handling · Xmax 13.3 mm < 18 mm: lower excursion-limited SPL | + |
| Ground Zero GZUW 300SQ | 25.3 +3.8 | 0.423 -0.04 | 86.6 +5.5 | 12.9 -5.1 | 88 +3.2 | usable | 700 W vs 1000 W: lower power handling · Xmax 12.9 mm < 18 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the R1-12 →
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.