- 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 8Ω
30–1000 Hz
- Fs
- 30Hz
- Xmax
- 8mm
- SPL
- 94dB
- Pe
- 700W
- BL
- 22.5T·m
- Vd
- 968cm³
- Qts
- 0.39
- Vas
- 245L
Published graphs
B&C 18PS100 is an 18-inch 8 ohm LF driver rated at 700 W RMS. The validated T/S data includes Fs 30 Hz, Qts 0.39, Vas 245 L, Xmax 8 mm, sensitivity 94.1 dB, plus 968 cm³ Vd and 73 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
- 0.39
- Qes
- 0.41
- Qms
- 4.6
- Vas
- 245L
- Re
- 5.3Ω
- Le
- 2.10mH
Motor and cone
- BL
- 22.5T·m
- Sd
- 1210cm²
- Mms
- 202g
- Xmax
- 8mm
- Vd †
- 968cm³
- Voice coil
- 100mm
- Flux density
- 1.05T
Power and response
- Sensitivity †
- 94.1dB
- Manufacturer sensitivity
- 95.5dB
- Power
- 700W
- Nominal power
- 700W
- Impedance
- 8Ω
- Min. impedance
- 6.3Ω
- Range
- 30–1000Hz
- EBP †
- 73 · Sealed or vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 422mm
- Bolt circle
- 440mm
- Depth
- 197mm
- Weight
- 10.2kg
Sensitivity shows 94.1 dB, calculated from the T/S values. B&C publishes 95.5 dB, 1.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 22.5T·m
- Fs
- 30Hz
- Le
- 2.10mH
- Re
- 5.3Ω
- Sd
- 1210cm²
- Mms
- 202g
- Qes
- 0.41
- Qms
- 4.6
- Qts
- 0.39
- SPL
- 94.1dB
- Vas
- 245L
- Xmax
- 8mm
- Power
- 700W
- Impedance
- 8Ω
- Flux density
- 1.05T
- Sensitivity
- 95.5dB
- Low limit
- 30Hz
- Nominal power
- 700W
- Calculated sensitivity †
- 94.1dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 95.5dB
- Min. impedance
- 6.3Ω
- Voice coil
- 100mm
- Weight
- 10.2kg
- Diameter
- 460mm
- Depth
- 197mm
- Cutout
- 422mm
- Bolt circle
- 440mm
- Bl
- 22.5 Tm
- Fs
- 30 Hz
- Le
- 2.1 mH
- Re
- 5.3 Ω
- Sd
- 1210 cm² (187.6 in²)
- Ebp
- 73 Hz
- Mms
- 202 g
- Qes
- 0.41
- Qms
- 4.6
- Qts
- 0.39
- Vas
- 245 dm³ (8.6 ft³)
- Η0
- 1.6 %
- Cone
- RCK18PS1008
- Xmax
- 8 mm
- Xvar
- 8 mm
- Depth
- 197 mm (7.75 in)
- Spider
- Double Silicone
- Cone shape
- Radial
- Net weight
- 10.2 kg (22.49 lb)
- Pole design
- T-Pole
- Sensitivity
- 95.5 dB
- Flux density
- 1.05 T
- Shipping box
- 500x495x275 mm (19.69x19.49x10.83 in)
- Winding depth
- 21 mm (0.83 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 in)
- Winding material
- Copper
- Minimum impedance
- 6.3 Ω
- Nominal impedance
- 8 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 (17.3 in)
- Recommended enclosure
- 250 dm³ (8.83 ft³)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 422 mm (16.6 in)
- Nominal power handling
- 700 W
- Continuous power handling
- 1400 W
- Flange and gasket thickness
- 16 mm (0.62 in)
- Air volume occupied by driver
- 9.5 dm³ (0.33 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
0.39
Vas
245 L
BL
22.5 T·m
Xmax
8 mm
Sensitivity
94.1 dB
Power
700 W
B&C18TBX100
£186.94 · 7% less, betterFs34 Hz +13%, worse
Qts0.35 −10%, better
Vas212 L −13%, better
BL25.5 T·m +13%, better
Xmax9 mm +13%, better
Sensitivity95.6 dB +1.5
SB AudienceROSSO-18SW750
£200.80 · Same priceFs36 Hz +20%, worse
Qts0.43 +10%, worse
Vas206.9 L −16%, better
BL23.3 T·m +4%
Xmax8.8 mm +10%, better
Sensitivity95.3 dB +1.2
Beyma18LX60V2S
£220.84 · 10% more, worseFs35 Hz +17%, worse
Qts0.48 +23%, worse
Vas236 L −4%
BL21.8 T·m −3%
Xmax8 mm –
Sensitivity95.1 dB +1
B&C18PZW100
£223.60 · 11% more, worseFs37 Hz +23%, worse
Qts0.36 −8%
Vas186 L −24%, better
BL25.5 T·m +13%, better
Xmax8 mm –
Sensitivity96 dB +1.9
Beyma18LEX1200FE
£224.84 · 12% more, worseFs32 Hz +7%
Qts0.38 –
Vas277 L +13%, worse
BL23.2 T·m +3%
Xmax11 mm +38%, better
Sensitivity95.7 dB +1.6
RCFL18P300
£225.00 · 12% more, worseFs33 Hz +10%, worse
Qts0.33 −15%, better
Vas226 L −8%
BL23.5 T·m +4%
Xmax8 mm –
Sensitivity95.8 dB +1.7
Beyma18LEX1000FE
£225.00 · 12% more, worseFs34 Hz +13%, worse
Qts0.38 –
Vas250 L –
BL23.8 T·m +6%
Xmax11 mm +38%, better
Sensitivity96 dB +1.9
FaitalPRO18HP1010
£247.31 · 23% more, worseFs35 Hz +17%, worse
Qts0.40 –
Vas240.1 L –
BL22 T·m –
Xmax9.8 mm +22%, better
Sensitivity95.9 dB +1.8
Beyma18LEX1000ND
£249.54 · 24% more, worseFs34 Hz +13%, worse
Qts0.39 –
Vas260 L +6%
BL22 T·m –
Xmax11 mm +38%, better
Sensitivity95.9 dB +1.8
B&C18NBX100
£265.95 · 32% more, worseFs35 Hz +17%, worse
Qts0.38 –
Vas198 L −19%, better
BL24.8 T·m +10%, better
Xmax10 mm +25%, better
Sensitivity95.3 dB +1.2
FaitalPRO18FX800
£278.65 · 38% more, worseFs34 Hz +13%, worse
Qts0.40 –
Vas247 L –
BL24 T·m +7%
Xmax13.8 mm +73%, better
Sensitivity95.6 dB +1.5
FaneCOLOSSUS 18SB
£284.00 · 41% more, worseFs36 Hz +20%, worse
Qts0.35 −11%, better
Vas199 L −19%, better
BL24 T·m +7%
Xmax8.3 mm +3%
Sensitivity96.1 dB +2, better
FaitalPRO18HP1042
£289.66 · 44% more, worseFs38 Hz +27%, worse
Qts0.41 +5%
Vas191.9 L −22%, better
BL24.5 T·m +9%
Xmax9 mm +13%, better
Sensitivity95.9 dB +1.8
BMS18S430V2
£316.72 · 57% more, worseFs31 Hz +3%
Qts0.34 −13%, better
Vas262 L +7%
BL23.5 T·m +4%
Xmax8 mm –
Sensitivity95.4 dB +1.3
BMS18N830V2
£347.59 · 72% more, worseFs31 Hz +3%
Qts0.37 −5%
Vas262 L +7%
BL22.4 T·m –
Xmax8 mm –
Sensitivity95 dB +0.9
Sica18 PF 4
£359.91 · 79% more, worseFs38 Hz +27%, worse
Qts0.43 +10%, worse
Vas147.3 L −40%, better
BL24.6 T·m +9%
Xmax8 mm –
Sensitivity94.4 dB –
Sica18 S 4 PL
No current priceFs36 Hz +21%, worse
Qts0.39 –
Vas189 L −23%, better
BL23.5 T·m +5%
Xmax8 mm –
Sensitivity95.3 dB +1.2
P.Audio18BM-1000S
No current priceFs35 Hz +17%, worse
Qts0.40 –
Vas212.1 L −13%, better
BL23.8 T·m +6%
Xmax8 mm –
Sensitivity95.3 dB +1.2
No photo
PHL Audio7081
No current priceFs34 Hz +13%, worse
Qts0.41 +5%
Vas267.6 L +9%
BL22.7 T·m –
Xmax7.5 mm −6%
Sensitivity95.8 dB +1.7
Sica18 PFS 4
No current priceFs29 Hz −4%
Qts0.37 −5%
Vas245.9 L –
BL24.6 T·m +9%
Xmax9.5 mm +19%, better
Sensitivity93.5 dB −0.6
No current price
Fs33 Hz +10%, worse
Qts0.39 –
Vas257 L +5%
BL22.4 T·m –
Xmax12 mm +50%, better
Sensitivity95.6 dB +1.5
Oberton18B450
No current priceFs34 Hz +15%, worse
Qts0.34 −12%, better
Vas241.6 L –
BL22.1 T·m –
Xmax7.3 mm −9%
Sensitivity96.4 dB +2.3, better
P.AudioP-18N-V3
No current priceFs35 Hz +17%, worse
Qts0.40 –
Vas179.5 L −27%, better
BL24.1 T·m +7%
Xmax9 mm +13%, better
Sensitivity94.7 dB +0.6
BMS18N840
No current priceFs30 Hz –
Qts0.37 −5%
Vas261 L +7%
BL23 T·m –
Xmax10 mm +25%, better
Sensitivity94.6 dB +0.5
CelestionERPROX18
No current priceFs35 Hz +16%, worse
Qts0.38 –
Vas188.9 L −23%, better
BL24.4 T·m +8%
Xmax9.5 mm +19%, better
Sensitivity94.7 dB +0.6
P.Audio18NT-100XB
No current priceFs35 Hz +17%, worse
Qts0.41 +5%
Vas171.3 L −30%, better
BL24.6 T·m +9%
Xmax7 mm −13%, worse
Sensitivity94.4 dB –
CelestionCF1840H
No current priceFs39 Hz +28%, worse
Qts0.35 −10%, better
Vas196.7 L −20%, better
BL17.4 T·m −23%, worse
Xmax8 mm –
Sensitivity96.7 dB +2.6, better
FaneCOLOSSUS 18XB
No current priceFs33 Hz +10%, worse
Qts0.34 −14%, better
Vas236 L −4%
BL25.9 T·m +15%, better
Xmax7.5 mm −6%
Sensitivity95.8 dB +1.7
PeerlessFSL-1830R03-08
No current priceFs32 Hz +7%
Qts0.36 −8%
Vas338 L +38%, worse
BL21.4 T·m −5%
Xmax8.7 mm +8%
Sensitivity96.8 dB +2.7, better
Dayton Audio18SW1200F-8
No current priceFs32 Hz +7%
Qts0.40 –
Vas287.7 L +17%, worse
BL24.4 T·m +9%
Xmax10.6 mm +32%, better
Sensitivity95.5 dB +1.4
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann5.0 out of 59 ratings · Checked 9 Oct 2026Read reviews on Thomann
- Parts Express5.0 out of 51 rating · Checked 9 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Blue Aran | £205.00, the lowest price | 2 in stock | Visit shop at Blue Aran | |
Blue Aran | £205.00 | 3 in stock | Visit shop at Blue Aran | |
Thomann | £205.00 | In stock | Visit shop at Thomann | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £219.84 | 7.2% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £219.84 | 7.2% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure | £219.84 | 7.2% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure | £219.84 | 7.2% above the lowest price | In stock | Visit shop at JP Leisure |
Lean Business | £235.55 | 15% above the lowest price | Stock not listed | Visit shop at Lean Business |
Audio Video Parts Import VAT and duty may apply | £173.07 | Special order | Visit shop at Audio Video Parts | |
Parts Express Import VAT and duty may apply | £273.81 | 34% above the lowest price | 3 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 4 OctThomann£209.00 → £205.00Down 1.9% from £209.00
- 26 SepThomann£208.00 → £209.00Up 0.5% from £208.00
- 10 SepThomann£205.00 → £208.00Up 1.5% from £205.00