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Soundstream R1-12

12" · 8 Ω · 1000 W · 84.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs21.5 Hz
Qts0.465
Qes0.49
Qms9.21
Vas81.1 L
Sd510.7 cm²
Xmax18 mm
Re6.8 Ω
Bl21.5 T·m
Mms247.1 g
Pe1000 W
Sensitivity84.8 dB

Alignment hint

EBP44 · 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Eclipse 8712.820 -1.50.39 -0.0884.95 +3.8518.5 +0.584.1 -0.7close200 W vs 1000 W: lower power handling+
JL Audio 12W6V2-D425 +3.50.45 -0.0279.9 -1.212.7 -5.386.9 +2.1usable600 W vs 1000 W: lower power handling · Xmax 12.7 mm < 18 mm: lower excursion-limited SPL+
RE Audio XXX12-V2-421 -0.50.404 -0.0673.9 -7.213.5 -4.586.5 +1.7usableXmax 13.5 mm < 18 mm: lower excursion-limited SPL+
Infinity KAPPA PERFECT 12.123.32 +1.820.44 -0.0399.97 +18.8714.15 -3.8586.2 +1.4usable4 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 1240W25.4 +3.90.47 =84.4 +3.311.5 -6.586.3 +1.5usable4 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 1250W25.4 +3.90.47 =84.4 +3.311.5 -6.586.3 +1.5usable4 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 1260W23.5 +20.39 -0.0883 +1.913 -586 +1.2usable4 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 v201622.2 +0.70.444 -0.0297.2 +16.111 -785.8 +1usable400 W vs 1000 W: lower power handling · Xmax 11 mm < 18 mm: lower excursion-limited SPL+
Tang Band WQ-185820 -1.50.451 -0.01116 +34.913.3 -4.785.3 +0.5usable500 W vs 1000 W: lower power handling · Xmax 13.3 mm < 18 mm: lower excursion-limited SPL+
Ground Zero GZUW 300SQ25.3 +3.80.423 -0.0486.6 +5.512.9 -5.188 +3.2usable700 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.