- Net volume
- 200L
- Tuning
- 32Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
18-inch LF driver · 18TBW series · 100 mm voice coil · 1,500 W
B&C 18TBW100 8Ω
35–1000 Hz
- Fs
- 35Hz
- Xmax
- 12mm
- SPL
- 95dB
- Pe
- 1500W
- BL
- 26.4T·m
- Vd
- 1452cm³
- Qts
- 0.39
- Vas
- 175L
Published graphs
B&C 18TBW100 is an 18-inch 8 ohm LF driver rated at 1500 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.39, Vas 175 L, Xmax 12 mm, sensitivity 94.7 dB, plus 1452 cm³ Vd and 85 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 £265.95.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.39
- Qes
- 0.41
- Qms
- 8
- Vas
- 175L
- Re
- 5.3Ω
- Le
- 2.45mH
Motor and cone
- BL
- 26.4T·m
- Sd
- 1210cm²
- Mms
- 245g
- Xmax
- 12mm
- Vd †
- 1452cm³
- Voice coil
- 100mm
- Flux density
- 1.15T
Power and response
- Sensitivity †
- 94.7dB
- Manufacturer sensitivity
- 96dB
- Power
- 1500W
- Nominal power
- 1500W
- Impedance
- 8Ω
- Min. impedance
- 6.5Ω
- Range
- 35–1000Hz
- EBP †
- 85 · Sealed or vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 425mm
- Bolt circle
- 442mm
- Depth
- 241mm
- Weight
- 15.4kg
Sensitivity shows 94.7 dB, calculated from the T/S values. B&C publishes 96.0 dB, 1.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 26.4T·m
- Fs
- 35Hz
- Le
- 2.45mH
- Re
- 5.3Ω
- Sd
- 1210cm²
- Mms
- 245g
- Qes
- 0.41
- Qms
- 8
- Qts
- 0.39
- SPL
- 94.7dB
- Vas
- 175L
- Xmax
- 12mm
- Power
- 1500W
- Impedance
- 8Ω
- Flux density
- 1.15T
- Sensitivity
- 96dB
- Low limit
- 35Hz
- Nominal power
- 1500W
- Calculated sensitivity †
- 94.7dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 96dB
- Min. impedance
- 6.5Ω
- Voice coil
- 100mm
- Weight
- 15.4kg
- Diameter
- 460mm
- Depth
- 241mm
- Cutout
- 425mm
- Bolt circle
- 442mm
- Bl
- 26.4 Tm
- Fs
- 35 Hz
- Le
- 2.45 mH
- Re
- 5.3 Ω
- Sd
- 1210 cm² (187.6 in²)
- Ebp
- 85 Hz
- Mms
- 245 g
- Qes
- 0.41
- Qms
- 8
- Qts
- 0.39
- Vas
- 175 dm³ (6.18 ft³)
- Η0
- 1.76 %
- Cone
- RCK18TBW1008
- Xmax
- 12 mm
- Xvar
- 14 mm
- Depth
- 241 mm (9.5 in)
- Spider
- Double Silicone
- Cone shape
- Radial
- Net weight
- 15.4 kg (33.95 lb)
- Pole design
- T-Pole
- Sensitivity
- 96 dB
- Flux density
- 1.15 T
- Shipping box
- 500x495x275 mm (19.69x19.49x10.83 in)
- Winding depth
- 31 mm (1.22 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 35 Hz - 1000 Hz
- Magnet material
- Ferrite
- Shipping weight
- 17 kg (37.48 lb)
- Nominal diameter
- 460 mm (18 in)
- Overall diameter
- 460 mm (18 in)
- Winding material
- Copper
- Minimum impedance
- 6.5 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 15 mm (0.59 in)
- Recommended tuning
- 32 Hz
- Voice coil diameter
- 100 mm (4 in)
- Bolt circle diameter
- 442 mm (17.4 in)
- Recommended enclosure
- 200 dm³ (7.06 ft³)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 425 mm (16.73 in)
- Nominal power handling
- 1500 W
- Continuous power handling
- 3000 W
- Flange and gasket thickness
- 16 mm (0.63 in)
- Air volume occupied by driver
- 11 dm³ (0.39 ft³)
B&C’s suggested box
From B&C’s 18TBW100 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 18TBW100. Clear differences are green when better and red when worse.
This driver18TBW100
Best price
£265.95
Fs
35 Hz
Qts
0.39
Vas
175 L
BL
26.4 T·m
Xmax
12 mm
Sensitivity
94.7 dB
Power
1500 W
Beyma18LEX1000FE
£225.00 · 15% less, betterFs34 Hz –
Qts0.38 –
Vas250 L +43%, worse
BL23.8 T·m −10%
Xmax11 mm −8%
Sensitivity96 dB +1.3
CelestionCF1840JD
£239.00 · 10% less, betterFs37 Hz +6%
Qts0.40 –
Vas155 L −11%, better
BL24.8 T·m −6%
Xmax12.5 mm +4%
Sensitivity94.6 dB –
FaitalPRO18HP1060
£245.81 · 8% less, betterFs35 Hz –
Qts0.37 −5%
Vas200.3 L +14%, worse
BL24.8 T·m −6%
Xmax12.4 mm +4%
Sensitivity95.6 dB +0.9
Beyma18LEX1000ND
£249.54 · 6% less, betterFs34 Hz –
Qts0.39 –
Vas260 L +49%, worse
BL22 T·m −17%, worse
Xmax11 mm −8%
Sensitivity95.9 dB +1.2
Beyma18PWB1000FE
£255.00 · 4% lessFs27 Hz −23%, better
Qts0.38 –
Vas317 L +81%, worse
BL25 T·m −5%
Xmax12.5 mm +4%
Sensitivity94 dB −0.7
B&C18NBX100
£265.95 · Same priceFs35 Hz –
Qts0.38 –
Vas198 L +13%, worse
BL24.8 T·m −6%
Xmax10 mm −17%, worse
Sensitivity95.3 dB +0.6
FaitalPRO18HP1030
£269.00 · 1% moreFs35 Hz –
Qts0.41 +5%
Vas185.5 L +6%
BL24.3 T·m −8%
Xmax12.4 mm +4%
Sensitivity94.7 dB –
Beyma18LEX1600FE
£277.00 · 4% moreFs34 Hz –
Qts0.38 –
Vas188 L +7%
BL26.9 T·m –
Xmax13 mm +8%
Sensitivity94.7 dB –
FaitalPRO18FX800
£278.65 · 5% moreFs34 Hz –
Qts0.40 –
Vas247 L +41%, worse
BL24 T·m −9%
Xmax13.8 mm +15%, better
Sensitivity95.6 dB +0.9
MonacorCF1840JD/4
£287.12 · 8% more, worseFs37 Hz +6%
Qts0.40 –
Vas155 L −11%, better
BL24.8 T·m −6%
Xmax12.5 mm +4%
Sensitivity94.6 dB –
MonacorCF1840JD/8
£287.12 · 8% more, worseFs37 Hz +6%
Qts0.40 –
Vas155 L −11%, better
BL24.8 T·m −6%
Xmax12.5 mm +4%
Sensitivity94.6 dB –
FaitalPRO18HP1042
£289.66 · 9% more, worseFs38 Hz +9%
Qts0.41 +5%
Vas191.9 L +10%
BL24.5 T·m −7%
Xmax9 mm −25%, worse
Sensitivity95.9 dB +1.2
FaitalPRO18HW1070
£325.00 · 22% more, worseFs32 Hz −9%
Qts0.38 –
Vas195.9 L +12%, worse
BL27 T·m –
Xmax13 mm +8%
Sensitivity94.2 dB −0.5
Eighteen Sound18TLW3000
£331.58 · 25% more, worseFs33 Hz −6%
Qts0.41 +5%
Vas185 L +6%
BL24.5 T·m −7%
Xmax12 mm –
Sensitivity94 dB −0.7
B&C18SW100
£334.55 · 26% more, worseFs35 Hz –
Qts0.38 –
Vas180 L –
BL26.1 T·m –
Xmax12.5 mm +4%
Sensitivity94.9 dB –
FaitalPRO18XL1600
£399.95 · 50% more, worseFs32 Hz −9%
Qts0.36 −8%
Vas211.4 L +21%, worse
BL26.7 T·m –
Xmax12.9 mm +8%
Sensitivity94.8 dB –
FaitalPRO18XL1800
£425.00 · 60% more, worseFs29 Hz −17%, better
Qts0.40 –
Vas215.5 L +23%, worse
BL25.4 T·m −4%
Xmax20.2 mm +68%, better
Sensitivity93 dB −1.7
No photo
Precision DevicesPD.1845-2N
£427.00 · 61% more, worseFs35 Hz –
Qts0.39 –
Vas157 L −10%, better
BL27 T·m –
Xmax18 mm +50%, better
Sensitivity94.3 dB –
EminenceNSW4018-8
£527.89 · 98% more, worseFs36 Hz –
Qts0.38 –
Vas164.5 L −6%
BL28.2 T·m +7%
Xmax15.2 mm +27%, better
Sensitivity95 dB –
B&C18HTX100
£809.86 · 205% more, worseFs44 Hz +26%, worse
Qts0.32 −18%, better
Vas173 L –
BL26.3 T·m –
Xmax13 mm +8%
Sensitivity98.4 dB +3.7, better
PeerlessFCP-1840R02-08
No current priceFs39 Hz +11%, worse
Qts0.43 +10%, worse
Vas156 L −11%, better
BL26.2 T·m –
Xmax13.5 mm +13%, better
Sensitivity95.2 dB +0.5
P.Audio19NT-115XB
No current priceFs35 Hz –
Qts0.39 –
Vas206 L +18%, worse
BL29 T·m +10%
Xmax9.5 mm −21%, worse
Sensitivity95.4 dB +0.7
CelestionERPROX18
No current priceFs35 Hz –
Qts0.38 –
Vas188.9 L +8%
BL24.4 T·m −8%
Xmax9.5 mm −21%, worse
Sensitivity94.7 dB –
P.AudioP-18N-V3
No current priceFs35 Hz –
Qts0.40 –
Vas179.5 L –
BL24.1 T·m −9%
Xmax9 mm −25%, worse
Sensitivity94.7 dB –
No current price
Fs33 Hz −6%
Qts0.39 –
Vas257 L +47%, worse
BL22.4 T·m −15%, worse
Xmax12 mm –
Sensitivity95.6 dB +0.9
Sica18 S 4 PL
No current priceFs36 Hz +3%
Qts0.39 –
Vas189 L +8%
BL23.5 T·m −11%, worse
Xmax8 mm −33%, worse
Sensitivity95.3 dB +0.6
Oberton18XB1301DS
No current priceFs36 Hz –
Qts0.30 −23%, better
Vas172.9 L –
BL26.9 T·m –
Xmax12 mm –
Sensitivity96 dB +1.3
P.Audio18NT-100XB
No current priceFs35 Hz –
Qts0.41 +5%
Vas171.3 L –
BL24.6 T·m −7%
Xmax7 mm −42%, worse
Sensitivity94.4 dB –
Sica18 S 4 CP
No current priceFs33 Hz −6%
Qts0.35 −10%, better
Vas225 L +29%, worse
BL23.5 T·m −11%, worse
Xmax11 mm −8%
Sensitivity95.2 dB +0.5
CelestionFTR18-4080FDX
No current priceFs37 Hz +7%
Qts0.41 +6%
Vas160.7 L −8%
BL25.1 T·m −5%
Xmax6 mm −50%, worse
Sensitivity94.9 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.6 out of 519 ratings · Checked 9 Oct 2026Read reviews on Parts Express
- Thomann5.0 out of 54 ratings · Checked 9 Oct 2026Read reviews on Thomann
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 5-7 weeks | £268.99, the lowest price | 3 in stock | Visit shop at Blue Aran | |
Blue Aran | £268.99 | On Order ETA Unknown | Visit shop at Blue Aran | |
Thomann | £269.00 | In stock | Visit shop at Thomann | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £278.17 | 3.4% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £278.17 | 3.4% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure | £278.17 | 3.4% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure | £278.17 | 3.4% above the lowest price | In stock | Visit shop at JP Leisure |
Audio Video Parts Import VAT and duty may apply | £230.57 | Special order | Visit shop at Audio Video Parts | |
Parts Express Import VAT and duty may apply | £357.67 | 33% above the lowest price | 20 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 4 OctThomann£275.00 → £269.00Down 2.2% from £275.00
- 1 AugThomann£269.00 → £275.00Up 2.2% from £269.00
- 17 JulBlue Aran£277.00 → £268.99Down 2.9% from £277.00