GRS18PT-8
£64.97 · 57% less, betterFs23 Hz −23%, better
Qts0.54 +4%
Vas475.7 L +42%, worse
BL19.5 T·m –
Xmax7.8 mm −15%, worse
Sensitivity92 dB −2.3, worse
18-inch LF driver · BIANCO series · 99 mm voice coil · 500 W
SB Audience BIANCO-18SW500 8Ω
8 Ω · 30–3100 Hz
£151.79
SteadyLean Audio · 2 in stock · All 2 offers
- Fs
- 30Hz
- Xmax
- 9.2mm
- SPL
- 94dB
- Pe
- 500W
- BL
- 19.8T·m
- Vd
- 1169cm³
- Qts
- 0.52
- Vas
- 335L
SB Audience BIANCO-18SW500 is an 18-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 30 Hz, Qts 0.52, Vas 334.8 L, Xmax 9.2 mm, sensitivity 94.3 dB, plus 1169 cm³ Vd and 57 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 £151.79.
The published T/S values agree with each other
Thiele/Small
- Fs
- 30Hz
- Qts
- 0.52
- Qes
- 0.53
- Qms
- 19.0
- Vas
- 334.8L
- Re
- 5.7Ω
- Le
- 1.64mH
Motor and cone
- BL
- 19.8T·m
- Sd
- 1269cm²
- Mms
- 195g
- Xmax
- 9.2mm
- Vd †
- 1169cm³
- Voice coil
- 99mm
- Flux density
- 1T
Power and response
- Sensitivity †
- 94.3dB
- Manufacturer sensitivity
- 98dB
- Power
- 500W
- Impedance
- 8Ω
- Min. impedance
- 5.6Ω
- Range
- 30–3100Hz
- EBP †
- 57 · Sealed or vented
Size and mounting
- Diameter
- 465mm
- Cutout
- 422mm
- Bolt circle
- 445mm
- Weight
- 10.3kg
Other published values
- Cms
- 0.15mm/N
- Rms
- 1.92kg/s
- Power Program
- 1000
Other dimensions
- Mounting Depth
- 174
Sensitivity shows 94.3 dB, calculated from the T/S values. SB Audience publishes 98.0 dB, 3.7 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else SB Audience lists
LF · Primary · 18″
- BL
- 19.8T·m
- Fs
- 30Hz
- Le
- 1.64mH
- Re
- 5.7Ω
- Sd
- 1269cm²
- Cms
- 0.15mm/N
- Mms
- 195g
- Qes
- 0.53
- Qms
- 19.0
- Qts
- 0.52
- Rms
- 1.92kg/s
- SPL
- 94.3dB
- Vas
- 334.8L
- Xmax
- 9.2mm
- Power
- 500W
- Impedance
- 8Ω
- Flux density
- 1T
- Sensitivity
- 98dB
- Low limit
- 30Hz
- Power Program
- 1000
- Calculated sensitivity †
- 94.3dB
- High limit
- 3100Hz
- Manufacturer sensitivity
- 98dB
- Min. impedance
- 5.6Ω
- Voice coil
- 99mm
- Weight
- 10.3kg
- Diameter
- 465mm
- Mounting Depth
- 174
- Cutout
- 422mm
- Bolt circle
- 445mm
02
Compare
Same-size drivers, compared with the BIANCO-18SW500. Clear differences are green when better and red when worse.
This driverBIANCO-18SW500
Best price
£151.79
Fs
30 Hz
Qts
0.52
Vas
334.8 L
BL
19.8 T·m
Xmax
9.2 mm
Sensitivity
94.3 dB
Power
500 W
SB AudienceBIANCO-18SW450
£135.53 · 11% less, betterFs28 Hz −7%
Qts0.45 −13%, better
Vas370.4 L +11%, worse
BL18.8 T·m −5%
Xmax10.9 mm +19%, better
Sensitivity94.4 dB –
Beyma18WRS600
£185.00 · 22% more, worseFs30 Hz –
Qts0.47 −10%
Vas354 L +6%
BL19 T·m −4%
Xmax8.5 mm −8%
Sensitivity95 dB +0.7
SB AudienceROSSO-18SW800
£187.71 · 24% more, worseFs33 Hz +10%, worse
Qts0.46 −12%, better
Vas258.1 L −23%, better
BL21 T·m +6%
Xmax11.3 mm +23%, better
Sensitivity94.9 dB +0.6
SB AudienceROSSO-18SW750
£200.80 · 32% more, worseFs36 Hz +20%, worse
Qts0.43 −17%, better
Vas206.9 L −38%, better
BL23.3 T·m +18%, better
Xmax8.8 mm −4%
Sensitivity95.3 dB +1
FaitalPRO18FH500
£215.43 · 42% more, worseFs30 Hz –
Qts0.35 −33%, better
Vas417.9 L +25%, worse
BL19 T·m −4%
Xmax9.3 mm –
Sensitivity97 dB +2.7, better
Beyma18LX60V2S
£220.28 · 45% more, worseFs35 Hz +17%, worse
Qts0.48 −8%
Vas236 L −30%, better
BL21.8 T·m +10%, better
Xmax8 mm −13%, worse
Sensitivity95.1 dB +0.8
CelestionFTR18-4080HDX
£237.20 · 56% more, worseFs39 Hz +31%, worse
Qts0.43 −18%, better
Vas174.9 L −48%, better
BL21.3 T·m +8%
Xmax10.1 mm +10%
Sensitivity95.6 dB +1.3
EminenceKILOMAX PRO-18A
£241.78 · 59% more, worseFs32 Hz +7%
Qts0.47 −10%
Vas331.5 L –
BL17.2 T·m −13%, worse
Xmax10 mm +9%
Sensitivity95.5 dB +1.2
SB AudienceROSSO-18SW650
£244.95 · 61% more, worseFs31 Hz +3%
Qts0.41 −21%, better
Vas304.3 L −9%
BL20.6 T·m +4%
Xmax11.2 mm +21%, better
Sensitivity95.2 dB +0.9
FaitalPRO18HP1010
£246.68 · 63% more, worseFs35 Hz +17%, worse
Qts0.40 −23%, better
Vas240.1 L −28%, better
BL22 T·m +11%, better
Xmax9.8 mm +6%
Sensitivity95.9 dB +1.6
Precision DevicesPD.186/3
£266.00 · 75% more, worseFs34 Hz +14%, worse
Qts0.52 –
Vas192.2 L −43%, better
BL22.2 T·m +12%, better
Xmax10.5 mm +14%, better
Sensitivity93.5 dB −0.8
Dayton AudioUMII18-22
£380.12 · 150% more, worseFs22 Hz −27%, better
Qts0.53 –
Vas248.2 L −26%, better
BL19.2 T·m −3%
Xmax28 mm +204%, better
Sensitivity88 dB −6.3, worse
FaneIMPERIUM 18XL
No current priceFs36 Hz +20%, worse
Qts0.53 –
Vas205 L −39%, better
BL20.4 T·m –
Xmax10.5 mm +14%, better
Sensitivity94.4 dB –
PRV Audio18SW2000
No current priceFs32 Hz +7%
Qts0.45 −13%, better
Vas289.9 L −13%, better
BL22.1 T·m +12%, better
Xmax9.6 mm +4%
Sensitivity95.2 dB +0.9
P.AudioIMF
No current priceFs33 Hz +10%, worse
Qts0.50 −4%
Vas240.1 L −28%, better
BL20.2 T·m –
Xmax7.5 mm −19%, worse
Sensitivity93.7 dB −0.6
P.AudioC18-1000-V4
No current priceFs35 Hz +17%, worse
Qts0.56 +7%
Vas183.7 L −45%, better
BL22.5 T·m +14%, better
Xmax9.5 mm +3%
Sensitivity93.4 dB −0.9
Oberton18B35
No current priceFs32 Hz +6%
Qts0.32 −38%, better
Vas333.6 L –
BL19.3 T·m –
Xmax9 mm –
Sensitivity97 dB +2.7, better
Sica18 F 3 CP
No current priceFs32 Hz +5%
Qts0.44 −15%, better
Vas321 L −4%
BL17.2 T·m −13%, worse
Xmax6.5 mm −29%, worse
Sensitivity94.9 dB +0.6
P.AudioC18-650EL-V3
No current priceFs41 Hz +37%, worse
Qts0.52 –
Vas179.1 L −47%, better
BL21.5 T·m +8%
Xmax5.3 mm −43%, worse
Sensitivity95.5 dB +1.2
PeerlessFSL-1830R03-08
No current priceFs32 Hz +7%
Qts0.36 −31%, better
Vas338 L –
BL21.4 T·m +8%
Xmax8.7 mm −6%
Sensitivity96.8 dB +2.5, better
Eighteen Sound18W1300
No current priceFs35 Hz +17%, worse
Qts0.33 −37%, better
Vas336 L –
BL20.4 T·m +3%
Xmax8.5 mm −8%
Sensitivity98.2 dB +3.9, better
Precision DevicesPD.185C001
No current priceFs32 Hz +7%
Qts0.40 −22%, better
Vas302 L −10%
BL21 T·m +6%
Xmax10.5 mm +14%, better
Sensitivity95.7 dB +1.4
P.Audio18NT-100SW
No current priceFs35 Hz +17%, worse
Qts0.48 −8%
Vas144.6 L −57%, better
BL25.2 T·m +27%, better
Xmax9 mm –
Sensitivity93 dB −1.3
P.AudioC18-1200
No current priceFs38 Hz +27%, worse
Qts0.55 +6%
Vas136.4 L −59%, better
BL25.1 T·m +27%, better
Xmax9.5 mm +3%
Sensitivity93.2 dB −1.1
P.AudioP180/2243
No current priceFs35 Hz +17%, worse
Qts0.59 +13%, worse
Vas159.1 L −52%, better
BL20.1 T·m –
Xmax8.5 mm −8%
Sensitivity92.2 dB −2.1, worse
MonacorFTR18-4080HDX/8
No current priceFs39 Hz +31%, worse
Qts0.43 −18%, better
Vas174.9 L −48%, better
BL21.3 T·m +8%
Xmax10.1 mm +10%
Sensitivity95.6 dB +1.3
P.Audio18FT-100SW
No current priceFs35 Hz +17%, worse
Qts0.47 −10%
Vas222.9 L −33%, better
BL24.2 T·m +22%, better
Xmax7.5 mm −19%, worse
Sensitivity94.8 dB +0.5
REDCATT18FIND-2
No current priceFs34 Hz +13%, worse
Qts0.46 −12%, better
Vas221 L −34%, better
BL21.3 T·m +8%
Xmax5.8 mm −36%, worse
Sensitivity94.5 dB –
P.Audio19FT-115XB
No current priceFs34 Hz +13%, worse
Qts0.45 −13%, better
Vas233 L −30%, better
BL26.8 T·m +35%, better
Xmax9.5 mm +3%
Sensitivity94.9 dB +0.6
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports5.0 out of 51 rating · Checked 13 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 | £151.79, the lowest price | 2 in stock | Visit shop at Lean Audio | |
SoundImports Import VAT and duty may apply | £168.92 | 11% above the lowest price | 15 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr