REDCATT183FIND
£122.90 · 9% less, betterFs32 Hz +14%, worse
Qts0.42 −7%
Vas329.5 L −11%, better
BL21.1 T·m +12%, better
Xmax5.9 mm −46%, worse
Sensitivity96 dB +1.6
18-inch LF driver · BIANCO series
SB Audience BIANCO-18SW450 8Ω
8 Ω
£135.53
SteadyLean Audio · 1 in stock · All 2 offers
- Fs
- 28Hz
- Xmax
- 10.9mm
- SPL
- 94dB
- Pe
- –
- BL
- 18.8T·m
- Vd
- 1360cm³
- Qts
- 0.45
- Vas
- 370L
SB Audience BIANCO-18SW450 is an 18-inch 8 ohm LF driver. The validated T/S data includes Fs 28 Hz, Qts 0.45, Vas 370.4 L, Xmax 10.9 mm, sensitivity 94.4 dB, plus 1360 cm³ Vd and 60 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £135.53.
The published T/S values agree with each other
Thiele/Small
- Fs
- 28Hz
- Qts
- 0.45
- Qes
- 0.47
- Qms
- 8.4
- Vas
- 370.4L
- Re
- 5Ω
- Le
- 1.37mH
Motor and cone
- BL
- 18.8T·m
- Sd
- 1244cm²
- Mms
- 190g
- Xmax
- 10.9mm
- Vd †
- 1360cm³
Power and response
- Sensitivity †
- 94.4dB
- Impedance
- 8Ω
- Min. impedance
- 5Ω
- EBP †
- 60 · Sealed or vented
Other published values
- Cms
- 0.17mm/N
- Rms
- 4kg/s
† Calculated by bits from the published values
What this validation status means
Everything else SB Audience lists
LF · Primary · 18″
- BL
- 18.8T·m
- Fs
- 28Hz
- Le
- 1.37mH
- Re
- 5Ω
- Sd
- 1244cm²
- Cms
- 0.17mm/N
- Mms
- 190g
- Qes
- 0.47
- Qms
- 8.4
- Qts
- 0.45
- Rms
- 4kg/s
- SPL
- 94.4dB
- Vas
- 370.4L
- Xmax
- 10.9mm
- Impedance
- 8Ω
- Calculated sensitivity †
- 94.4dB
- Min. impedance
- 5Ω
02
Compare
Same-size drivers, compared with the BIANCO-18SW450. Clear differences are green when better and red when worse.
This driverBIANCO-18SW450
Best price
£135.53
Fs
28 Hz
Qts
0.45
Vas
370.4 L
BL
18.8 T·m
Xmax
10.9 mm
Sensitivity
94.4 dB
Power
–
SB AudienceBIANCO-18SW500
£151.79 · 12% more, worseFs30 Hz +7%
Qts0.52 +16%, worse
Vas334.8 L −10%
BL19.8 T·m +5%
Xmax9.2 mm −16%, worse
Sensitivity94.3 dB –
Beyma18WRS600
£185.00 · 37% more, worseFs30 Hz +7%
Qts0.47 +4%
Vas354 L −4%
BL19 T·m –
Xmax8.5 mm −22%, worse
Sensitivity95 dB +0.6
SB AudienceROSSO-18SW800
£187.71 · 39% more, worseFs33 Hz +18%, worse
Qts0.46 –
Vas258.1 L −30%, better
BL21 T·m +12%, better
Xmax11.3 mm +4%
Sensitivity94.9 dB +0.5
SB AudienceROSSO-18SW750
£200.80 · 48% more, worseFs36 Hz +29%, worse
Qts0.43 −4%
Vas206.9 L −44%, better
BL23.3 T·m +24%, better
Xmax8.8 mm −19%, worse
Sensitivity95.3 dB +0.9
FaitalPRO18FH500
£216.14 · 59% more, worseFs30 Hz +7%
Qts0.35 −22%, better
Vas417.9 L +13%, worse
BL19 T·m –
Xmax9.3 mm −15%, worse
Sensitivity97 dB +2.6, better
Beyma18LX60V2S
£221.01 · 63% more, worseFs35 Hz +25%, worse
Qts0.48 +7%
Vas236 L −36%, better
BL21.8 T·m +16%, better
Xmax8 mm −27%, worse
Sensitivity95.1 dB +0.7
Beyma18LEX1200FE
£225.00 · 66% more, worseFs32 Hz +14%, worse
Qts0.38 −16%, better
Vas277 L −25%, better
BL23.2 T·m +23%, better
Xmax11 mm –
Sensitivity95.7 dB +1.3
Beyma18LEX1000FE
£225.00 · 66% more, worseFs34 Hz +21%, worse
Qts0.38 −16%, better
Vas250 L −33%, better
BL23.8 T·m +27%, better
Xmax11 mm –
Sensitivity96 dB +1.6
CelestionFTR18-4080HDX
£237.20 · 75% more, worseFs39 Hz +40%, worse
Qts0.43 −5%
Vas174.9 L −53%, better
BL21.3 T·m +13%, better
Xmax10.1 mm −8%
Sensitivity95.6 dB +1.2
EminenceKILOMAX PRO-18A
£242.05 · 79% more, worseFs32 Hz +14%, worse
Qts0.47 +4%
Vas331.5 L −11%, better
BL17.2 T·m −9%
Xmax10 mm −9%
Sensitivity95.5 dB +1.1
SB AudienceROSSO-18SW650
£245.76 · 81% more, worseFs31 Hz +11%, worse
Qts0.41 −9%
Vas304.3 L −18%, better
BL20.6 T·m +10%
Xmax11.2 mm –
Sensitivity95.2 dB +0.8
FaitalPRO18HP1010
£247.50 · 83% more, worseFs35 Hz +25%, worse
Qts0.40 −11%, better
Vas240.1 L −35%, better
BL22 T·m +17%, better
Xmax9.8 mm −11%, worse
Sensitivity95.9 dB +1.5
Beyma18LEX1000ND
£249.54 · 84% more, worseFs34 Hz +21%, worse
Qts0.39 −13%, better
Vas260 L −30%, better
BL22 T·m +17%, better
Xmax11 mm –
Sensitivity95.9 dB +1.5
Precision DevicesPD.186/3
£266.00 · 96% more, worseFs34 Hz +22%, worse
Qts0.52 +16%, worse
Vas192.2 L −48%, better
BL22.2 T·m +18%, better
Xmax10.5 mm −4%
Sensitivity93.5 dB −0.9
PRV Audio18SW2000
No current priceFs32 Hz +15%, worse
Qts0.45 –
Vas289.9 L −22%, better
BL22.1 T·m +18%, better
Xmax9.6 mm −12%, worse
Sensitivity95.2 dB +0.8
Precision DevicesPD.185C001
No current priceFs32 Hz +14%, worse
Qts0.40 −10%, better
Vas302 L −18%, better
BL21 T·m +12%, better
Xmax10.5 mm −4%
Sensitivity95.7 dB +1.3
MonacorFTR18-4080HDX/8
No current priceFs39 Hz +40%, worse
Qts0.43 −5%
Vas174.9 L −53%, better
BL21.3 T·m +13%, better
Xmax10.1 mm −8%
Sensitivity95.6 dB +1.2
Sica18 F 3 CP
No current priceFs32 Hz +13%, worse
Qts0.44 –
Vas321 L −13%, better
BL17.2 T·m −8%
Xmax6.5 mm −41%, worse
Sensitivity94.9 dB +0.5
BishopSoundBDP18/4
No current priceFs39 Hz +39%, worse
Qts0.40 −12%, better
Vas183.3 L −51%, better
BL17.1 T·m −9%
Xmax11.3 mm +3%
Sensitivity96.2 dB +1.8
Dayton Audio18SW1200F-8
No current priceFs32 Hz +14%, worse
Qts0.40 −11%, better
Vas287.7 L −22%, better
BL24.4 T·m +30%, better
Xmax10.6 mm −3%
Sensitivity95.5 dB +1.1
P.Audio19FT-115XB
No current priceFs34 Hz +21%, worse
Qts0.45 –
Vas233 L −37%, better
BL26.8 T·m +43%, better
Xmax9.5 mm −13%, worse
Sensitivity94.9 dB +0.5
P.Audio19NT-125XB
No current priceFs33 Hz +18%, worse
Qts0.45 –
Vas217.5 L −41%, better
BL29.9 T·m +59%, better
Xmax9.5 mm −13%, worse
Sensitivity94.2 dB –
P.Audio19FT-125XB
No current priceFs33 Hz +18%, worse
Qts0.45 –
Vas207.9 L −44%, better
BL29.2 T·m +55%, better
Xmax9.3 mm −15%, worse
Sensitivity94 dB –
REDCATT18FIND-2
No current priceFs34 Hz +21%, worse
Qts0.46 –
Vas221 L −40%, better
BL21.3 T·m +13%, better
Xmax5.8 mm −46%, worse
Sensitivity94.5 dB –
FaneIMPERIUM 18XL
No current priceFs36 Hz +29%, worse
Qts0.53 +18%, worse
Vas205 L −45%, better
BL20.4 T·m +8%
Xmax10.5 mm −4%
Sensitivity94.4 dB –
No current price
Fs33 Hz +18%, worse
Qts0.39 −14%, better
Vas257 L −31%, better
BL22.4 T·m +19%, better
Xmax12 mm +10%
Sensitivity95.6 dB +1.2
BMS18N840
No current priceFs30 Hz +8%
Qts0.37 −18%, better
Vas261 L −30%, better
BL23 T·m +22%, better
Xmax10 mm −9%
Sensitivity94.6 dB –
P.Audio18NT-115XB
No current priceFs33 Hz +18%, worse
Qts0.44 –
Vas112.7 L −70%, better
BL29.0 T·m +54%, better
Xmax9.8 mm −10%, worse
Sensitivity91.6 dB −2.8, worse
Oberton18B35
No current priceFs32 Hz +13%, worse
Qts0.32 −28%, better
Vas333.6 L −10%
BL19.3 T·m –
Xmax9 mm −18%, worse
Sensitivity97 dB +2.6, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.8 out of 54 ratings · Checked 12 Oct 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Audio | £135.53, the lowest price | 1 in stock | Visit shop at Lean Audio | |
SoundImports Import VAT and duty may apply | £169.48 | 25% above the lowest price | 4 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr