SB Audience BIANCO-18SW450 v2020

18" · 8 Ω · 450 W · 97.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	27 Hz
Qts	0.375
Qes	0.4
Qms	6.11
Vas	423 L
Sd	1244 cm²
Xmax	9 mm
Re	5 Ω
Bl	19.4 T·m
Mms	178.2 g
Pe	450 W
Sensitivity	97.2 dB

Alignment hint

EBP	68 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 165.5 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
Beyma 18LX60	27 =	0.368 -0.01	500 +77	9 =	97.7 +0.5	close		+
McCauley 6260-8	28 +1	0.379 =	391 -32	8 -1	96.7 -0.5	close	Xmax 8 mm < 9 mm: lower excursion-limited SPL	+
Faital PRO 18FH500	30 +3	0.35 -0.03	417.9 -5.1	9.25 +0.25	99 +1.8	close		+
Faital PRO 18FH500 v2016	30 +3	0.35 -0.03	374.8 -48.2	9.2 +0.2	98.4 +1.2	close		+
Beyma 18PWB1000Fe/S	27 =	0.38 +0.01	317 -106	12.5 +3.5	96 -1.2	close		+
Mach 5 Audio MAC MAH CWA46	27 =	0.448 +0.07	470.3 +47.3	10 +1	96.2 -1	close		+
Dibeisi PS1805-8	27.1 +0.1	0.4 +0.03	473.8 +50.8	7 -2	96.1 -1.1	close	250 W vs 450 W: lower power handling · Xmax 7 mm < 9 mm: lower excursion-limited SPL	+
RCF L 18P200N vp tlhp	28 +1	0.306 -0.07	380 -43	9.8 +0.8	97.2 =	close		+
Beyma 18PWB1000/FE v2016	27 =	0.381 +0.01	317 -106	11.7 +2.7	95.2 -2	close		+
Peerless FSL-1830R09-04	27.8 +0.8	0.427 +0.05	356 -67	8.5 -0.5	97.8 +0.6	close	4 Ω vs 8 Ω: amp load changes · Xmax 8.5 mm < 9 mm: lower excursion-limited SPL	+

Compare the closest 3 against the BIANCO-18SW450 v2020 →

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.