B&C design
TX-18
Three way - biamped Triaxial point source
- Drivers
- 1 × 18HTX100, 8 Ω
18-inch LF driver · 18HTX series · 100 mm voice coil · 800 W
B&C 18HTX100 8Ω
8 Ω · 44–18000 Hz
£809.86
SteadyJP Leisure · In stock · All 3 offers
- Fs
- 44Hz
- Xmax
- 13mm
- SPL
- 98dB
- Pe
- 800W
- BL
- 26.3T·m
- Vd
- 1573cm³
- Qts
- 0.32
- Vas
- 173L
Published graphs
B&C 18HTX100 is an 18-inch 8 ohm LF driver rated at 800 W RMS. The validated T/S data includes Fs 44 Hz, Qts 0.32, Vas 173 L, Xmax 13 mm, sensitivity 98.4 dB, plus 1573 cm³ Vd and 129 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 £809.86.
The published T/S values agree with each other
Thiele/Small
- Fs
- 44Hz
- Qts
- 0.32
- Qes
- 0.34
- Qms
- 6.3
- Vas
- 173L
- Re
- 5.4Ω
- Le
- 1.16mH
Motor and cone
- BL
- 26.3T·m
- Sd
- 1210cm²
- Mms
- 159g
- Xmax
- 13mm
- Vd †
- 1573cm³
- Voice coil
- 100mm
- Flux density
- 1.50T
Power and response
- Sensitivity †
- 98.4dB
- Manufacturer sensitivity
- 100dB
- Power
- 800W
- Nominal power
- 800W
- Impedance
- 8Ω
- Min. impedance
- 6.6Ω
- Range
- 44–18000Hz
- EBP †
- 129 · Leans vented
Other published values
- High limit
- 800Hz
Sensitivity shows 98.4 dB, calculated from the T/S values. B&C publishes 100.0 dB, 1.6 dB apart.
Excursion and motor values come from the LF section; the frequency range spans every section.
† Calculated by bits from the published values
What this validation status means
Components and manufacturer details
LF · Specifications LF unit
- BL
- 26.3T·m
- Fs
- 44Hz
- Le
- 1.16mH
- Re
- 5.4Ω
- Sd
- 1210cm²
- Mms
- 159g
- Qes
- 0.34
- Qms
- 6.3
- Qts
- 0.32
- SPL
- 98.4dB
- Vas
- 173L
- Xmax
- 13mm
- Power
- 800W
- Impedance
- 8Ω
- Flux density
- 1.50T
- Sensitivity
- 100dB
- Low limit
- 44Hz
- Nominal power
- 800W
- Calculated sensitivity †
- 98.4dB
- High limit
- 800Hz
- Manufacturer sensitivity
- 100dB
- Min. impedance
- 6.6Ω
- Voice coil
- 100mm
- Bl
- 26.3 Tm
- Fs
- 44 Hz
- Le
- 1.16 mH
- Re
- 5.4 Ω
- Sd
- 1210 cm² (187.55 in²)
- Ebp
- 129 Hz
- Mms
- 158.5 g
- Qes
- 0.34
- Qms
- 6.3
- Qts
- 0.32
- Vas
- 173 dm³ (6.11 ft³)
- Η0
- 4.3 %
- Xvar
- 13 mm
- Sensitivity
- 100 dB
- Flux density
- 1.5 T
- Winding depth
- 25.1 mm (1 in)
- Former material
- Glass Fibre
- Frequency range
- 44 Hz - 800 Hz
- Winding material
- Aluminium
- Minimum impedance
- 6.6 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 10.2 mm (0.4 in)
- Voice coil diameter
- 100 mm (4 in)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Nominal power handling
- 800 W
- Continuous power handling
- 1600 W
MF · Specifications MF unit
- Le
- 0.21mH
- SPL
- 110dB
- Power
- 110W
- Impedance
- 8Ω
- Flux density
- 1.90T
- Sensitivity
- 110dB
- Low limit
- 500Hz
- Nominal power
- 110W
- High limit
- 5500Hz
- Manufacturer sensitivity
- 110dB
- Min. impedance
- 6Ω
- Voice coil
- 100mm
- Crossover
- 600Hz
- Inductance
- 0.21 mH
- Sensitivity
- 110 dB
- Flux density
- 1.9 T
- Frequency range
- 0.5 kHz - 5.5 kHz
- Winding material
- Aluminium
- Minimum impedance
- 6 Ω
- Nominal impedance
- 8 Ω
- Diaphragm material
- HT Polymer Ring
- Voice coil diameter
- 100 mm (4 in)
- Recommended crossover
- 0.6 kHz
- Nominal power handling
- 110 W
- Continuous power handling
- 220 W
HF · Specifications HF unit
- Le
- 0.10mH
- SPL
- 110dB
- Power
- 80W
- Impedance
- 8Ω
- Flux density
- 2.14T
- Sensitivity
- 110dB
- Low limit
- 3500Hz
- Nominal power
- 80W
- High limit
- 18000Hz
- Manufacturer sensitivity
- 110dB
- Min. impedance
- 9Ω
- Voice coil
- 65mm
- Crossover
- 4000Hz
- Inductance
- 0.1 mH
- Sensitivity
- 110 dB
- Flux density
- 2.14 T
- Frequency range
- 3.5 kHz - 18 kHz
- Winding material
- Aluminium
- Minimum impedance
- 9 Ω
- Nominal impedance
- 8 Ω
- Diaphragm material
- HT Polymer Ring
- Voice coil diameter
- 65 mm (2.5 in)
- Recommended crossover
- 4 kHz
- Nominal power handling
- 80 W
- Continuous power handling
- 160 W
B&C’s design
From the maker, with plans to download
03
Compare
Same-size drivers, compared with the 18HTX100. Clear differences are green when better and red when worse.
This driver18HTX100
Best price
£809.86
Fs
44 Hz
Qts
0.32
Vas
173 L
BL
26.3 T·m
Xmax
13 mm
Sensitivity
98.4 dB
Power
800 W
FaitalPRO18HP1060
£245.81 · 70% less, betterFs35 Hz −20%, better
Qts0.37 +16%, worse
Vas200.3 L +16%, worse
BL24.8 T·m −6%
Xmax12.4 mm −4%
Sensitivity95.6 dB −2.8, worse
Beyma18LEX1600FE
£277.00 · 66% less, betterFs34 Hz −23%, better
Qts0.38 +19%, worse
Vas188 L +9%
BL26.9 T·m –
Xmax13 mm –
Sensitivity94.7 dB −3.7, worse
Beyma18LEX1200ND
£278.64 · 66% less, betterFs36 Hz −18%, better
Qts0.33 +3%
Vas219 L +27%, worse
BL26.4 T·m –
Xmax11 mm −15%, worse
Sensitivity96.7 dB −1.7
CIARENDH18-4S
£291.62 · 64% less, betterFs31 Hz −30%, better
Qts0.32 –
Vas239 L +38%, worse
BL27.7 T·m +5%
Xmax11.5 mm −12%, worse
Sensitivity95.4 dB −3, worse
FaitalPRO18HW1070
£325.00 · 60% less, betterFs32 Hz −27%, better
Qts0.38 +19%, worse
Vas195.9 L +13%, worse
BL27 T·m –
Xmax13 mm –
Sensitivity94.2 dB −4.2, worse
RCFLF18N405
£325.54 · 60% less, betterFs30 Hz −32%, better
Qts0.32 –
Vas227 L +31%, worse
BL26.5 T·m –
Xmax14 mm +8%
Sensitivity94.6 dB −3.8, worse
B&C18SW100
£337.83 · 58% less, betterFs35 Hz −20%, better
Qts0.38 +19%, worse
Vas180 L +4%
BL26.1 T·m –
Xmax12.5 mm −4%
Sensitivity94.9 dB −3.5, worse
BMS18S450
£345.00 · 57% less, betterFs29 Hz −34%, better
Qts0.31 −3%
Vas281 L +62%, worse
BL26.5 T·m –
Xmax12 mm −8%
Sensitivity95.3 dB −3.1, worse
Eighteen Sound18NLW4100
£376.88 · 53% less, betterFs31 Hz −30%, better
Qts0.34 +6%
Vas180 L +4%
BL29 T·m +10%, better
Xmax15 mm +15%, better
Sensitivity93.9 dB −4.5, worse
Precision DevicesPD.1852/2
£399.00 · 51% less, betterFs42 Hz −5%
Qts0.33 +3%
Vas120.4 L −30%, better
BL30.5 T·m +16%, better
Xmax12 mm −8%
Sensitivity96.2 dB −2.2, worse
CelestionCF18VJD
£399.00 · 51% less, betterFs35 Hz −22%, better
Qts0.31 −3%
Vas145.8 L −16%, better
BL32.6 T·m +24%, better
Xmax12 mm −8%
Sensitivity94.6 dB −3.8, worse
FaitalPRO18XL1600
£399.95 · 51% less, betterFs32 Hz −27%, better
Qts0.36 +12%, worse
Vas211.4 L +22%, worse
BL26.7 T·m –
Xmax12.9 mm –
Sensitivity94.8 dB −3.6, worse
B&C18SW115
£435.74 · 46% less, betterFs32 Hz −27%, better
Qts0.30 −6%
Vas187 L +8%
BL30.3 T·m +15%, better
Xmax14 mm +8%
Sensitivity94.9 dB −3.5, worse
MonacorCF18VJD/8
£449.02 · 45% less, betterFs35 Hz −22%, better
Qts0.31 −3%
Vas145.8 L −16%, better
BL32.6 T·m +24%, better
Xmax12 mm −8%
Sensitivity94.6 dB −3.8, worse
Dayton AudioRSS460HO-4
£449.03 · 45% less, betterFs19 Hz −57%, better
Qts0.32 –
Vas272 L +57%, worse
BL23.4 T·m −11%, worse
Xmax12.8 mm –
Sensitivity89.2 dB −9.2, worse
Sica18 K 4 PL
£454.08 · 44% less, betterFs37 Hz −16%, better
Qts0.32 –
Vas201 L +16%, worse
BL26.8 T·m –
Xmax6.5 mm −50%, worse
Sensitivity96.6 dB −1.8
BMS18N850V2
£457.13 · 44% less, betterFs30 Hz −32%, better
Qts0.33 +3%
Vas243 L +40%, worse
BL25.4 T·m −3%
Xmax12 mm −8%
Sensitivity94.7 dB −3.7, worse
Eighteen Sound18NLW4500
£475.34 · 41% less, betterFs35 Hz −20%, better
Qts0.33 +3%
Vas151 L −13%, better
BL30.3 T·m +15%, better
Xmax15.3 mm +18%, better
Sensitivity94.8 dB −3.6, worse
Eighteen Sound18NLW9000
£550.00 · 32% less, betterFs34 Hz −23%, better
Qts0.31 −3%
Vas206 L +19%, worse
BL28 T·m +6%
Xmax14 mm +8%
Sensitivity96.1 dB −2.3, worse
Oberton18XB1301DS
No current priceFs36 Hz −19%, better
Qts0.30 −6%
Vas172.9 L –
BL26.9 T·m –
Xmax12 mm −8%
Sensitivity96 dB −2.4, worse
Oberton18NXB1600
No current priceFs32 Hz −26%, better
Qts0.30 −5%
Vas173.1 L –
BL29.6 T·m +12%, better
Xmax13.5 mm +4%
Sensitivity94.5 dB −3.9, worse
Oberton18XB1201
No current priceFs38 Hz −14%, better
Qts0.32 –
Vas159.4 L −8%
BL26.7 T·m –
Xmax10.5 mm −19%, worse
Sensitivity96.3 dB −2.1, worse
No photo
Precision DevicesPD.1845-1N
No current priceFs34 Hz −22%, better
Qts0.32 –
Vas179.0 L +3%
BL26.4 T·m –
Xmax16 mm +23%, better
Sensitivity95.3 dB −3.1, worse
SB AudienceNERO-18SW1100D
No current priceFs36 Hz −18%, better
Qts0.33 +3%
Vas153.1 L −12%, better
BL30.9 T·m +17%, better
Xmax12.2 mm −6%
Sensitivity95.3 dB −3.1, worse
RCFLF18N408
No current priceFs30 Hz −32%, better
Qts0.33 +3%
Vas193 L +12%, worse
BL25.7 T·m –
Xmax15 mm +15%, better
Sensitivity93.6 dB −4.8, worse
No photo
FaneIMPERIUM 18NDXL
No current priceFs33 Hz −25%, better
Qts0.29 −8%
Vas203 L +17%, worse
BL29.4 T·m +12%, better
Xmax12 mm −8%
Sensitivity95.9 dB −2.5, worse
Oberton18XB700
No current priceFs36 Hz −18%, better
Qts0.30 −5%
Vas183.2 L +6%
BL26.1 T·m –
Xmax9 mm −31%, worse
Sensitivity96.4 dB −2, worse
VAS Audio18-1700FC
No current priceFs33 Hz −25%, better
Qts0.29 −8%
Vas181 L +5%
BL33 T·m +25%, better
Xmax13.5 mm +4%
Sensitivity95.4 dB −3, worse
Oberton18NXB700
No current priceFs36 Hz −18%, better
Qts0.31 –
Vas155.5 L −10%, better
BL27.8 T·m +6%
Xmax9 mm −31%, worse
Sensitivity95.6 dB −2.8, worse
Oberton18NXB1601
No current priceFs35 Hz −21%, better
Qts0.29 −11%, better
Vas146.2 L −15%, better
BL30.5 T·m +16%, better
Xmax12.5 mm −4%
Sensitivity95.1 dB −3.3, worse
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 | £809.86, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £809.86 | In stock | Visit shop at JP Leisure | |
Blue Aran | £825.00 | 1.9% above the lowest price | 4+ in stock | Visit shop at Blue Aran |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JunJP Leisure£712.13 → £809.86Up 14% from £712.13
- 5 JunBlue Aran£785.17 → £825.00Up 5.1% from £785.17