- Net volume
- 250L
- Tuning
- 29Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
18-inch LF driver · 18PS series · 100 mm voice coil · 700 W
B&C 18PS100 4Ω
30–1000 Hz
£219.84
7.2%JP Leisure · In stock · All 9 offers
- Fs
- 30Hz
- Xmax
- 7mm
- SPL
- 94dB
- Pe
- 700W
- BL
- 20T·m
- Vd
- 847cm³
- Qts
- 0.40
- Vas
- 251L
Published graphs
B&C 18PS100 is an 18-inch 4 ohm LF driver rated at 700 W RMS. The validated T/S data includes Fs 30 Hz, Qts 0.40, Vas 251 L, Xmax 7 mm, sensitivity 94.1 dB, plus 847 cm³ Vd and 71 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 £201.58.
The published T/S values agree with each other
Thiele/Small
- Fs
- 30Hz
- Qts
- 0.40
- Qes
- 0.42
- Qms
- 9.1
- Vas
- 251L
- Re
- 3.8Ω
- Le
- 1.35mH
Motor and cone
- BL
- 20T·m
- Sd
- 1210cm²
- Mms
- 239g
- Xmax
- 7mm
- Vd †
- 847cm³
- Voice coil
- 100mm
- Flux density
- 1.05T
Power and response
- Sensitivity †
- 94.1dB
- Manufacturer sensitivity
- 94dB
- Power
- 700W
- Nominal power
- 700W
- Impedance
- 4Ω
- Min. impedance
- 4.6Ω
- Range
- 30–1000Hz
- EBP †
- 71 · Sealed or vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 422mm
- Bolt circle
- 440mm
- Depth
- 197mm
- Weight
- 10.2kg
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 20T·m
- Fs
- 30Hz
- Le
- 1.35mH
- Re
- 3.8Ω
- Sd
- 1210cm²
- Mms
- 239g
- Qes
- 0.42
- Qms
- 9.1
- Qts
- 0.40
- SPL
- 94.1dB
- Vas
- 251L
- Xmax
- 7mm
- Power
- 700W
- Impedance
- 4Ω
- Flux density
- 1.05T
- Sensitivity
- 94dB
- Low limit
- 30Hz
- Nominal power
- 700W
- Calculated sensitivity †
- 94.1dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 94dB
- Min. impedance
- 4.6Ω
- Voice coil
- 100mm
- Weight
- 10.2kg
- Diameter
- 460mm
- Depth
- 197mm
- Cutout
- 422mm
- Bolt circle
- 440mm
- Bl
- 20 Tm
- Fs
- 30 Hz
- Le
- 1.35 mH
- Re
- 3.8 Ω
- Sd
- 1210 cm² (187.55 in²)
- Ebp
- 71 Hz
- Mms
- 239 g
- Qes
- 0.42
- Qms
- 9.1
- Qts
- 0.4
- Vas
- 251 dm³ (8.86 ft³)
- Η0
- 1.46 %
- Cone
- RCK18PS1004
- Xmax
- 7 mm
- Xvar
- 9 mm
- Depth
- 197 mm (7.76 in)
- Spider
- Double Silicone
- Cone shape
- Radial
- Net weight
- 10.2 kg (22.49 lb)
- Pole design
- T-Pole
- Sensitivity
- 94 dB
- Flux density
- 1.05 T
- Shipping box
- 500x495x275 mm (19.69x19.49x10.83 in)
- Winding depth
- 19 mm (0.75 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 30 Hz - 1000 Hz
- Magnet material
- Ferrite
- Shipping weight
- 11.8 kg (26.01 lb)
- Nominal diameter
- 460 mm (18 in)
- Overall diameter
- 460 mm (18.11 in)
- Winding material
- Copper
- Minimum impedance
- 4.6 Ω
- Nominal impedance
- 4 Ω
- Magnetic gap depth
- 10.5 mm (0.41 in)
- Recommended tuning
- 29 Hz
- Voice coil diameter
- 100 mm (4 in)
- Bolt circle diameter
- 440 mm (17.32 in)
- Recommended enclosure
- 250 dm³ (8.83 ft³)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 422 mm (16.61 in)
- Nominal power handling
- 700 W
- Continuous power handling
- 1400 W
- Flange and gasket thickness
- 16 mm (0.63 in)
- Air volume occupied by driver
- 9.5 dm³ (0.34 ft³)
B&C’s suggested box
From B&C’s 18PS100 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 18PS100. Clear differences are green when better and red when worse.
This driver18PS100
Best price
£201.58
Fs
30 Hz
Qts
0.40
Vas
251 L
BL
20 T·m
Xmax
7 mm
Sensitivity
94.1 dB
Power
700 W
REDCATT183FIND
£122.81 · 39% less, betterFs32 Hz +7%
Qts0.42 +5%
Vas329.5 L +31%, worse
BL21.1 T·m +6%
Xmax5.9 mm −16%, worse
Sensitivity96 dB +1.9
SB AudienceROSSO-18SW800
£187.71 · 7% less, betterFs33 Hz +10%, worse
Qts0.46 +15%, worse
Vas258.1 L –
BL21 T·m +5%
Xmax11.3 mm +62%, better
Sensitivity94.9 dB +0.8
SB AudienceROSSO-18SW750
£200.80 · Same priceFs36 Hz +20%, worse
Qts0.43 +7%
Vas206.9 L −18%, better
BL23.3 T·m +17%, better
Xmax8.8 mm +26%, better
Sensitivity95.3 dB +1.2
Beyma18LX60V2S
£220.84 · 10% more, worseFs35 Hz +17%, worse
Qts0.48 +20%, worse
Vas236 L −6%
BL21.8 T·m +9%
Xmax8 mm +14%, better
Sensitivity95.1 dB +1
Beyma18LEX1200FE
£224.84 · 12% more, worseFs32 Hz +7%
Qts0.38 −5%
Vas277 L +10%, worse
BL23.2 T·m +16%, better
Xmax11 mm +57%, better
Sensitivity95.7 dB +1.6
Beyma18LEX1000FE
£225.00 · 12% more, worseFs34 Hz +13%, worse
Qts0.38 −5%
Vas250 L –
BL23.8 T·m +19%, better
Xmax11 mm +57%, better
Sensitivity96 dB +1.9
SB AudienceROSSO-18SW650
£245.57 · 22% more, worseFs31 Hz +3%
Qts0.41 –
Vas304.3 L +21%, worse
BL20.6 T·m +3%
Xmax11.2 mm +60%, better
Sensitivity95.2 dB +1.1
Beyma18LEX1000ND
£249.54 · 24% more, worseFs34 Hz +13%, worse
Qts0.39 –
Vas260 L +4%
BL22 T·m +10%, better
Xmax11 mm +57%, better
Sensitivity95.9 dB +1.8
FaitalPRO18FX800
£278.65 · 38% more, worseFs34 Hz +13%, worse
Qts0.40 –
Vas247 L –
BL24 T·m +20%, better
Xmax13.8 mm +97%, better
Sensitivity95.6 dB +1.5
FaitalPRO18HP1042
£289.66 · 44% more, worseFs38 Hz +27%, worse
Qts0.41 –
Vas191.9 L −24%, better
BL24.5 T·m +23%, better
Xmax9 mm +29%, better
Sensitivity95.9 dB +1.8
BMS18S430V2
£316.72 · 57% more, worseFs31 Hz +3%
Qts0.34 −15%, better
Vas262 L +4%
BL23.5 T·m +18%, better
Xmax8 mm +14%, better
Sensitivity95.4 dB +1.3
BMS18N830V2
£347.59 · 72% more, worseFs31 Hz +3%
Qts0.37 −8%
Vas262 L +4%
BL22.4 T·m +12%, better
Xmax8 mm +14%, better
Sensitivity95 dB +0.9
FaitalPRO18XL1800
£425.00 · 111% more, worseFs29 Hz −3%
Qts0.40 –
Vas215.5 L −14%, better
BL25.4 T·m +27%, better
Xmax20.2 mm +188%, better
Sensitivity93 dB −1.1
No photo
PHL Audio7081
No current priceFs34 Hz +13%, worse
Qts0.41 –
Vas267.6 L +7%
BL22.7 T·m +13%, better
Xmax7.5 mm +7%
Sensitivity95.8 dB +1.7
P.Audio18BM-1000S
No current priceFs35 Hz +17%, worse
Qts0.40 –
Vas212.1 L −15%, better
BL23.8 T·m +19%, better
Xmax8 mm +14%, better
Sensitivity95.3 dB +1.2
P.Audio18NT-100XB
No current priceFs35 Hz +17%, worse
Qts0.41 –
Vas171.3 L −32%, better
BL24.6 T·m +23%, better
Xmax7 mm –
Sensitivity94.4 dB –
Oberton18B450
No current priceFs34 Hz +15%, worse
Qts0.34 −14%, better
Vas241.6 L −4%
BL22.1 T·m +11%, better
Xmax7.3 mm +4%
Sensitivity96.4 dB +2.3, better
Sica18 S 4 PL
No current priceFs36 Hz +21%, worse
Qts0.39 –
Vas189 L −25%, better
BL23.5 T·m +18%, better
Xmax8 mm +14%, better
Sensitivity95.3 dB +1.2
Precision DevicesPD.185C001
No current priceFs32 Hz +7%
Qts0.40 –
Vas302 L +20%, worse
BL21 T·m +5%
Xmax10.5 mm +50%, better
Sensitivity95.7 dB +1.6
No current price
Fs33 Hz +10%, worse
Qts0.39 −4%
Vas257 L –
BL22.4 T·m +12%, better
Xmax12 mm +71%, better
Sensitivity95.6 dB +1.5
REDCATT18FIND-1
No current priceFs36 Hz +20%, worse
Qts0.42 +5%
Vas203.4 L −19%, better
BL23.6 T·m +18%, better
Xmax5.8 mm −16%, worse
Sensitivity95.4 dB +1.3
Dayton Audio18SW1200F-8
No current priceFs32 Hz +7%
Qts0.40 –
Vas287.7 L +15%, worse
BL24.4 T·m +22%, better
Xmax10.6 mm +51%, better
Sensitivity95.5 dB +1.4
CelestionCF1840H
No current priceFs39 Hz +28%, worse
Qts0.35 −12%, better
Vas196.7 L −22%, better
BL17.4 T·m −13%, worse
Xmax8 mm +14%, better
Sensitivity96.7 dB +2.6, better
BMS18N840
No current priceFs30 Hz –
Qts0.37 −8%
Vas261 L +4%
BL23 T·m +15%, better
Xmax10 mm +43%, better
Sensitivity94.6 dB +0.5
REDCATT18FIND-2
No current priceFs34 Hz +13%, worse
Qts0.46 +15%, worse
Vas221 L −12%, better
BL21.3 T·m +7%
Xmax5.8 mm −16%, worse
Sensitivity94.5 dB –
CelestionFTR18-4080FDX
No current priceFs37 Hz +24%, worse
Qts0.41 +3%
Vas160.7 L −36%, better
BL25.1 T·m +26%, better
Xmax6 mm −14%, worse
Sensitivity94.9 dB +0.8
P.AudioP-18N-V3
No current priceFs35 Hz +17%, worse
Qts0.40 –
Vas179.5 L −28%, better
BL24.1 T·m +21%, better
Xmax9 mm +29%, better
Sensitivity94.7 dB +0.6
Sica18 PFS 4
No current priceFs29 Hz −4%
Qts0.37 −8%
Vas245.9 L –
BL24.6 T·m +23%, better
Xmax9.5 mm +36%, better
Sensitivity93.5 dB −0.6
Sica18 F 3 CP
No current priceFs32 Hz +5%
Qts0.44 +10%
Vas321 L +28%, worse
BL17.2 T·m −14%, worse
Xmax6.5 mm −7%
Sensitivity94.9 dB +0.8
CelestionTF1830
No current priceFs36 Hz +19%, worse
Qts0.39 –
Vas202.4 L −19%, better
BL15.5 T·m −23%, worse
Xmax4.5 mm −36%, worse
Sensitivity95.3 dB +1.2
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
JP Leisure | £219.84, the lowest price | In stock | Visit shop at JP Leisure | |
Blue Aran 3-5 months | £205.00 | Usually available in 3-5 months | Visit shop at Blue Aran | |
Blue Aran 3-5 months | £205.00 | Usually available in 3-5 months | Visit shop at Blue Aran | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £219.84 | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £219.84 | In stock | Visit shop at JP Leisure | |
JP Leisure | £219.84 | In stock | Visit shop at JP Leisure | |
Audio Video Parts Import VAT and duty may apply | £176.92 | Special order | Visit shop at Audio Video Parts |
Best price over time
Tracked since 1 Apr
Recent changes
- 17 JulBlue Aran£240.56 → £205.00Down 15% from £240.56
- 23 JunBlue Aran£241.31 → £240.56Down 0.3% from £241.31
- 23 JunJP Leisure£214.31 → £219.84Up 2.6% from £214.31