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Kenwood RD 30 FU 120-F

12" · 8 Ω · 150 W · 89.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs31.6 Hz
Qts0.879
Qes1.17
Qms3.53
Vas206.3 L
Sd490.9 cm²
Xmax8 mm
Re7.29 Ω
Bl7.2 T·m
Mms41.7 g
Pe150 W
Sensitivity89.8 dB

Alignment hint

EBP27 · sealed
Sealed Vb (Qtc ≈ 0.71)Qts too high

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
Jamo 2032532 +0.40.849 -0.03163.4 -42.95 -393 +3.2usable4 Ω vs 8 Ω: amp load changes · 100 W vs 150 W: lower power handling · Xmax 5 mm < 8 mm: lower excursion-limited SPL+
SB Acoustics SB34NRX75-1625 -6.60.714 -0.17205 -1.39.7 +1.785.6 -4.2usable16 Ω vs 8 Ω: amp load changes+
Visaton W30032 +0.40.549 -0.33190 -16.37 -192.2 +2.4usableXmax 7 mm < 8 mm: lower excursion-limited SPL+
Philips AD12672/W829 -2.60.662 -0.22245 +38.76 -292.3 +2.5usable100 W vs 150 W: lower power handling · Xmax 6 mm < 8 mm: lower excursion-limited SPL+
Kenford HW-120631 -0.60.8 -0.08170 -36.33 -589.5 -0.3usable100 W vs 150 W: lower power handling · Xmax 3 mm < 8 mm: lower excursion-limited SPL+
Sphynx SP-W310PP33 +1.40.618 -0.26182.8 -23.55 -391 +1.2usable16 Ω vs 8 Ω: amp load changes · 100 W vs 150 W: lower power handling · Xmax 5 mm < 8 mm: lower excursion-limited SPL+
STX W.30.200.8.MC31 -0.60.622 -0.26148 -58.36.2 -1.891.3 +1.5usable100 W vs 150 W: lower power handling · Xmax 6.2 mm < 8 mm: lower excursion-limited SPL+
Sphynx SP-W12 IND30.4 -1.20.868 -0.01336.9 +130.64 -491.3 +1.5usable100 W vs 150 W: lower power handling · Xmax 4 mm < 8 mm: lower excursion-limited SPL+
Sphynx SP-W12-BP30.4 -1.20.864 -0.02336.9 +130.64 -491.3 +1.5usable100 W vs 150 W: lower power handling · Xmax 4 mm < 8 mm: lower excursion-limited SPL+
EMS LB12EX_06V34 +2.40.722 -0.16200 -6.33 -590.2 +0.4usable16 Ω vs 8 Ω: amp load changes · 40 W vs 150 W: lower power handling · Xmax 3 mm < 8 mm: lower excursion-limited SPL+

Compare the closest 3 against the RD 30 FU 120-F →

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.