- Net volume
- 200L
- Tuning
- 33Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
18-inch LF driver · 18SW series · 100 mm voice coil · 1,500 W
B&C 18SW100 4Ω
35–1000 Hz
No price for delivery to the UK
- Fs
- 36Hz
- Xmax
- 12.5mm
- SPL
- 95dB
- Pe
- 1500W
- BL
- 22T·m
- Vd
- 1513cm³
- Qts
- 0.36
- Vas
- 160L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v2
free-air SPL
Frequency response
240 plotted pointsSource file SHA-256 8683bc443020…Medium confidence6,343 selected pixels of 6,343 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 8683bc443020…Medium confidence3,779 selected pixels of 3,779
Published graphs
B&C 18SW100 is an 18-inch 4 ohm LF driver rated at 1500 W RMS. The validated T/S data includes Fs 36 Hz, Qts 0.36, Vas 160 L, Xmax 12.5 mm, sensitivity 94.7 dB, plus 1513 cm³ Vd and 90 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 £337.83.
The published T/S values agree with each other
Thiele/Small
- Fs
- 36Hz
- Qts
- 0.36
- Qes
- 0.40
- Qms
- 5.9
- Vas
- 160L
- Re
- 3.2Ω
- Le
- 1.52mH
Motor and cone
- BL
- 22T·m
- Sd
- 1210cm²
- Mms
- 244g
- Xmax
- 12.5mm
- Vd †
- 1513cm³
- Voice coil
- 100mm
- Flux density
- 1.15T
Power and response
- Sensitivity †
- 94.7dB
- Manufacturer sensitivity
- 96dB
- Power
- 1500W
- Nominal power
- 1500W
- Impedance
- 4Ω
- Min. impedance
- 4Ω
- Range
- 35–1000Hz
- EBP †
- 90 · Sealed or vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 425mm
- Bolt circle
- 443mm
- Depth
- 239mm
- Weight
- 10.5kg
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
- 22T·m
- Fs
- 36Hz
- Le
- 1.52mH
- Re
- 3.2Ω
- Sd
- 1210cm²
- Mms
- 244g
- Qes
- 0.40
- Qms
- 5.9
- Qts
- 0.36
- SPL
- 94.7dB
- Vas
- 160L
- Xmax
- 12.5mm
- Power
- 1500W
- Impedance
- 4Ω
- Flux density
- 1.15T
- Sensitivity
- 96dB
- Low limit
- 35Hz
- Nominal power
- 1500W
- Calculated sensitivity †
- 94.7dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 96dB
- Min. impedance
- 4Ω
- Voice coil
- 100mm
- Weight
- 10.5kg
- Diameter
- 460mm
- Depth
- 239mm
- Cutout
- 425mm
- Bolt circle
- 443mm
- Bl
- 22 Tm
- Fs
- 36 Hz
- Le
- 1.52 mH
- Re
- 3.2 Ω
- Sd
- 1210 cm² (187.6 in²)
- Ebp
- 90 Hz
- Mms
- 244 g
- Qes
- 0.4
- Qms
- 5.91
- Qts
- 0.36
- Vas
- 160 dm³ (5.65 ft³)
- Η0
- 1.92 %
- Cone
- RCK18SW1004
- Xmax
- 12.5 mm
- Xvar
- 16 mm
- Depth
- 239 mm (9.41 in)
- Spider
- Double Silicone
- Cone shape
- Radial
- Net weight
- 10.5 kg (23.15 lb)
- Pole design
- T-Pole
- Sensitivity
- 96 dB
- Flux density
- 1.15 T
- Shipping box
- 500x500x300 mm (19.69x19.69x11.81 in)
- Winding depth
- 32 mm (1.26 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 35 Hz - 1000 Hz
- Magnet material
- Neodymium Inside Slug
- Shipping weight
- 12.3 kg (27.12 lb)
- Nominal diameter
- 460 mm (18 in)
- Overall diameter
- 460 mm (18 in)
- Winding material
- Copper
- Minimum impedance
- 4 Ω
- Nominal impedance
- 4 Ω
- Magnetic gap depth
- 14 mm (0.55 in)
- Recommended tuning
- 33 Hz
- Voice coil diameter
- 100 mm (4 in)
- Bolt circle diameter
- 443 mm (17.44 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
- 10 dm³ (0.35 ft³)
B&C’s suggested box
From B&C’s 18SW100 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 18SW100. Clear differences are green when better and red when worse.
This driver18SW100
Best price
£337.83
Fs
36 Hz
Qts
0.36
Vas
160 L
BL
22 T·m
Xmax
12.5 mm
Sensitivity
94.7 dB
Power
1500 W
B&C18PZW100
£224.09 · 34% less, betterFs37 Hz –
Qts0.36 –
Vas186 L +16%, worse
BL25.5 T·m +16%, better
Xmax8 mm −36%, worse
Sensitivity96 dB +1.3
Beyma18LEX1200FE
£225.00 · 33% less, betterFs32 Hz −11%, better
Qts0.38 +6%
Vas277 L +73%, worse
BL23.2 T·m +5%
Xmax11 mm −12%, worse
Sensitivity95.7 dB +1
Beyma18LEX1000FE
£225.00 · 33% less, betterFs34 Hz −6%
Qts0.38 +6%
Vas250 L +56%, worse
BL23.8 T·m +8%
Xmax11 mm −12%, worse
Sensitivity96 dB +1.3
B&C18TBW100
£231.08 · 32% less, betterFs33 Hz −8%
Qts0.32 −11%, better
Vas181.5 L +13%, worse
BL22.8 T·m +4%
Xmax12 mm −4%
Sensitivity94.9 dB –
CelestionCF1840JD
£239.00 · 29% less, betterFs37 Hz –
Qts0.40 +10%, worse
Vas155 L −3%
BL24.8 T·m +13%, better
Xmax12.5 mm –
Sensitivity94.6 dB –
PRV Audio18SW3600
£240.97 · 29% less, betterFs33 Hz −10%
Qts0.36 –
Vas279.7 L +75%, worse
BL25.5 T·m +16%, better
Xmax13.3 mm +6%
Sensitivity96.1 dB +1.4
Beyma18LEX1000ND
£249.54 · 26% less, betterFs34 Hz −6%
Qts0.39 +8%
Vas260 L +63%, worse
BL22 T·m –
Xmax11 mm −12%, worse
Sensitivity95.9 dB +1.2
Beyma18PWB1000FE
£255.00 · 25% less, betterFs27 Hz −25%, better
Qts0.38 +6%
Vas317 L +98%, worse
BL25 T·m +14%, better
Xmax12.5 mm –
Sensitivity94 dB −0.7
B&C18NBX100
£266.54 · 21% less, betterFs35 Hz –
Qts0.37 –
Vas192 L +20%, worse
BL22 T·m –
Xmax10 mm −20%, worse
Sensitivity95.3 dB +0.6
Beyma18LEX1600FE
£277.00 · 18% less, betterFs34 Hz −6%
Qts0.38 +6%
Vas188 L +18%, worse
BL26.9 T·m +22%, better
Xmax13 mm +4%
Sensitivity94.7 dB –
MonacorCF1840JD/4
£287.75 · 15% less, betterFs37 Hz –
Qts0.40 +10%, worse
Vas155 L −3%
BL24.8 T·m +13%, better
Xmax12.5 mm –
Sensitivity94.6 dB –
MonacorCF1840JD/8
£287.75 · 15% less, betterFs37 Hz –
Qts0.40 +10%, worse
Vas155 L −3%
BL24.8 T·m +13%, better
Xmax12.5 mm –
Sensitivity94.6 dB –
FaitalPRO18HP1030
£296.24 · 12% less, betterFs35 Hz –
Qts0.32 −11%, better
Vas172.2 L +8%
BL21.7 T·m –
Xmax12.4 mm –
Sensitivity95.5 dB +0.8
Eighteen Sound18TLW3000
£342.08 · 1% moreFs32 Hz −11%, better
Qts0.35 –
Vas185 L +16%, worse
BL20 T·m −9%
Xmax12 mm −4%
Sensitivity94.3 dB –
FaitalPRO18HW1070
£355.66 · 5% more, worseFs32 Hz −11%, better
Qts0.33 −8%
Vas191.5 L +20%, worse
BL21.6 T·m –
Xmax13 mm +4%
Sensitivity94.7 dB –
FaitalPRO18XL1600
£399.95 · 18% more, worseFs32 Hz −11%, better
Qts0.31 −14%, better
Vas201.1 L +26%, worse
BL21.7 T·m –
Xmax12.9 mm +3%
Sensitivity95.2 dB +0.5
No photo
Precision DevicesPD.1845-2N
£427.00 · 26% more, worseFs35 Hz –
Qts0.39 +8%
Vas157 L –
BL27 T·m +23%, better
Xmax18 mm +44%, better
Sensitivity94.3 dB –
FaitalPRO18HP1060
£442.24 · 31% more, worseFs35 Hz –
Qts0.33 −8%
Vas184.4 L +15%, worse
BL20.7 T·m −6%
Xmax12.4 mm –
Sensitivity95.7 dB +1
Dayton AudioRSS460HO-4
£449.03 · 33% more, worseFs19 Hz −48%, better
Qts0.32 −11%, better
Vas272 L +70%, worse
BL23.4 T·m +6%
Xmax12.8 mm –
Sensitivity89.2 dB −5.5, worse
Eighteen Sound18NLS4000
£486.84 · 44% more, worseFs27 Hz −25%, better
Qts0.35 –
Vas168 L +5%
BL24.2 T·m +10%
Xmax22.3 mm +78%, better
Sensitivity91.7 dB −3, worse
EminenceNSW4018-8
£525.15 · 55% more, worseFs36 Hz –
Qts0.38 +6%
Vas164.5 L –
BL28.2 T·m +28%, better
Xmax15.2 mm +22%, better
Sensitivity95 dB –
B&C18HTX100
£809.86 · 140% more, worseFs44 Hz +22%, worse
Qts0.32 −11%, better
Vas173 L +8%
BL26.3 T·m +20%, better
Xmax13 mm +4%
Sensitivity98.4 dB +3.7, better
Sica18 S 4 CP
No current priceFs33 Hz −8%
Qts0.35 –
Vas225 L +41%, worse
BL23.5 T·m +7%
Xmax11 mm −12%, worse
Sensitivity95.2 dB +0.5
No current price
Fs33 Hz −8%
Qts0.39 +7%
Vas257 L +61%, worse
BL22.4 T·m –
Xmax12 mm −4%
Sensitivity95.6 dB +0.9
CelestionERPROX18
No current priceFs35 Hz −3%
Qts0.38 +5%
Vas188.9 L +18%, worse
BL24.4 T·m +11%, better
Xmax9.5 mm −24%, worse
Sensitivity94.7 dB –
SB AudienceNERO-18SW1100D
No current priceFs36 Hz –
Qts0.33 −8%
Vas153.1 L −4%
BL30.9 T·m +40%, better
Xmax12.2 mm –
Sensitivity95.3 dB +0.6
PeerlessFCP-1840R02-08
No current priceFs39 Hz +8%
Qts0.43 +19%, worse
Vas156 L –
BL26.2 T·m +19%, better
Xmax13.5 mm +8%
Sensitivity95.2 dB +0.5
BMS18N840
No current priceFs30 Hz −16%, better
Qts0.37 –
Vas261 L +63%, worse
BL23 T·m +5%
Xmax10 mm −20%, worse
Sensitivity94.6 dB –
Sica18 S 4 PL
No current priceFs36 Hz –
Qts0.39 +8%
Vas189 L +18%, worse
BL23.5 T·m +7%
Xmax8 mm −36%, worse
Sensitivity95.3 dB +0.6
P.AudioP-18N-V3
No current priceFs35 Hz –
Qts0.40 +11%, worse
Vas179.5 L +12%, worse
BL24.1 T·m +10%
Xmax9 mm −28%, worse
Sensitivity94.7 dB –
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 |
|---|---|---|---|---|
Audio Video Parts Import VAT and duty may apply | £303.40 | Special order | Visit shop at Audio Video Parts |