Radian 210/2 B-8

10" · 8 Ω · 200 W · 93.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	60.4 Hz
Qts	0.779
Qes	0.81
Qms	20.1
Vas	40.2 L
Sd	355 cm²
Xmax	0.7 mm
Re	6.5 Ω
Bl	9.6 T·m
Mms	30.5 g
Pe	200 W
Sensitivity	93.3 dB

Alignment hint

EBP	75 · flexible
Sealed Vb (Qtc ≈ 0.71)	Qts too high

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
Radian 2102 B-8	60.4 =	0.779 =	40.2 =	0.7 =	93.3 =	close		+
Focal 10C 5401	56.5 -3.9	0.796 +0.02	43.1 +2.9	3.2 +2.5	94.6 +1.3	usable	4 Ω vs 8 Ω: amp load changes · 60 W vs 200 W: lower power handling	+
Fenton PS10	60 -0.4	0.684 -0.09	41.2 +1	4 +3.3	93.1 -0.2	usable	125 W vs 200 W: lower power handling	+
MTX Audio RTX108	58.7 -1.7	0.727 -0.05	37.1 -3.1	5.7 +5	93.5 +0.2	usable		+
SICA 10 D 1.5 CS - 4 Ohms	69 +8.6	0.842 +0.06	42.5 +2.3	1 +0.3	98.1 +4.8	usable	4 Ω vs 8 Ω: amp load changes · 100 W vs 200 W: lower power handling	+
Fonestar FPW 250	55 -5.4	0.825 +0.05	38 -2.2	3.9 +3.2	90.6 -2.7	usable	125 W vs 200 W: lower power handling	+
Fenton PS10 vp	57.6 -2.8	0.657 -0.12	37.9 -2.3	3.8 +3.1	92.1 -1.2	usable	125 W vs 200 W: lower power handling	+
Focal 10V1	49.7 -10.7	0.822 +0.04	42.5 +2.3	4.9 +4.2	93.7 +0.4	usable	4 Ω vs 8 Ω: amp load changes · 150 W vs 200 W: lower power handling	+
Focal 11V 5451	48.6 -11.8	0.825 +0.05	39 -1.2	5.1 +4.4	93 -0.3	usable	4 Ω vs 8 Ω: amp load changes	+
Fenton PS10F vp	60.1 -0.3	0.586 -0.19	41.2 +1	4 +3.3	93.3 =	usable	16 Ω vs 8 Ω: amp load changes · 125 W vs 200 W: lower power handling	+

Compare the closest 3 against the 210/2 B-8 →

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.