- Net volume
- 160L
- Tuning
- 39Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
18-inch LF driver · 18PZB series · 100 mm voice coil · 700 W
B&C 18PZB100 8Ω
40–2000 Hz
- Fs
- 30Hz
- Xmax
- 8mm
- SPL
- 97dB
- Pe
- 700W
- BL
- 26T·m
- Vd
- 907cm³
- Qts
- 0.24
- Vas
- 297L
Published graphs
B&C 18PZB100 is an 18-inch 8 ohm LF driver rated at 700 W RMS. The validated T/S data includes Fs 30 Hz, Qts 0.24, Vas 297 L, Xmax 8 mm, sensitivity 97.1 dB, plus 907 cm³ Vd and 120 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 £232.58.
The published T/S values agree with each other
Thiele/Small
- Fs
- 30Hz
- Qts
- 0.24
- Qes
- 0.25
- Qms
- 8.8
- Vas
- 297L
- Re
- 5.3Ω
- Le
- 2.10mH
Motor and cone
- BL
- 26T·m
- Sd
- 1134cm²
- Mms
- 170g
- Xmax
- 8mm
- Vd †
- 907cm³
- Voice coil
- 100mm
- Flux density
- 1.15T
Power and response
- Sensitivity †
- 97.1dB
- Manufacturer sensitivity
- 97dB
- Power
- 700W
- Nominal power
- 700W
- Impedance
- 8Ω
- Min. impedance
- 6.5Ω
- Range
- 40–2000Hz
- EBP †
- 120 · Leans vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 422mm
- Bolt circle
- 440mm
- Depth
- 202mm
- Weight
- 12.2kg
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 26T·m
- Fs
- 30Hz
- Le
- 2.10mH
- Re
- 5.3Ω
- Sd
- 1134cm²
- Mms
- 170g
- Qes
- 0.25
- Qms
- 8.8
- Qts
- 0.24
- SPL
- 97.1dB
- Vas
- 297L
- Xmax
- 8mm
- Power
- 700W
- Impedance
- 8Ω
- Flux density
- 1.15T
- Sensitivity
- 97dB
- Low limit
- 40Hz
- Nominal power
- 700W
- Calculated sensitivity †
- 97.1dB
- High limit
- 2000Hz
- Manufacturer sensitivity
- 97dB
- Min. impedance
- 6.5Ω
- Voice coil
- 100mm
- Weight
- 12.2kg
- Diameter
- 460mm
- Depth
- 202mm
- Cutout
- 422mm
- Bolt circle
- 440mm
- Bl
- 26 Tm
- Fs
- 30 Hz
- Le
- 2.1 mH
- Re
- 5.3 Ω
- Sd
- 1134 cm² (175.8 in²)
- Ebp
- 120 Hz
- Mms
- 170 g
- Qes
- 0.25
- Qms
- 8.8
- Qts
- 0.24
- Vas
- 297 dm³ (10.5 ft³)
- Η0
- 3.1 %
- Cone
- RCK18PZB1008
- Xmax
- 8 mm
- Xvar
- 8 mm
- Depth
- 202 mm (7.95 in)
- Spider
- Double Silicone
- Cone shape
- Exponential
- Net weight
- 12.2 kg (26.9 lb)
- Pole design
- Straight Pole
- Sensitivity
- 97 dB
- Flux density
- 1.15 T
- Shipping box
- 500x495x275 mm (19.69x19.49x10.83 in)
- Winding depth
- 21 mm (0.83 in)
- Shipping units
- 1 pcs
- Surround shape
- Double Roll
- Former material
- Glass Fibre
- Frequency range
- 40 Hz - 2000 Hz
- Magnet material
- Ferrite
- Shipping weight
- 13.8 kg (30.42 lb)
- Nominal diameter
- 460 mm (18 in)
- Overall diameter
- 460 mm (18.11 in)
- Winding material
- Copper
- Minimum impedance
- 6.5 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 11 mm (0.43 in)
- Recommended tuning
- 39 Hz
- Voice coil diameter
- 100 mm (4 in)
- Bolt circle diameter
- 440 mm (17.3 in)
- Recommended enclosure
- 160 dm³ (5.65 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 (0.63 in)
- Air volume occupied by driver
- 9.5 dm³ (0.33 ft³)
02
Designs
Cabinets for the 18PZB100: a suggested box from B&C and plans builders have published.
All 18PZB100 designsHow we find designsB&C’s suggested box
From B&C’s 18PZB100 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
Plans from builders
Links to published plans that name this driver
In the plan’s list of drivers
03
Compare
Same-size drivers, compared with the 18PZB100. Clear differences are green when better and red when worse.
This driver18PZB100
Best price
£232.58
Fs
30 Hz
Qts
0.24
Vas
297 L
BL
26 T·m
Xmax
8 mm
Sensitivity
97.1 dB
Power
700 W
CelestionFTR18-4080FD
£222.39 · 4% lessFs25 Hz −16%, better
Qts0.29 +19%, worse
Vas408.7 L +38%, worse
BL22.8 T·m −12%, worse
Xmax8.5 mm +6%
Sensitivity95.4 dB −1.7
RCFL18P300
£225.00 · 3% lessFs33 Hz +10%, worse
Qts0.33 +38%, worse
Vas226 L −24%, better
BL23.5 T·m −10%
Xmax8 mm –
Sensitivity95.8 dB −1.3
B&C18NW100
£238.11 · 2% moreFs31 Hz +3%
Qts0.26 +8%
Vas252 L −15%, better
BL28 T·m +8%
Xmax9 mm +13%, better
Sensitivity96.5 dB −0.6
Beyma18P1000FEV2S
£249.00 · 7% more, worseFs33 Hz +10%, worse
Qts0.32 +33%, worse
Vas230 L −23%, better
BL26.8 T·m +3%
Xmax8 mm –
Sensitivity96 dB −1.1
RCFLF18G401
£252.42 · 9% more, worseFs33 Hz +10%, worse
Qts0.29 +21%, worse
Vas268 L −10%
BL24.6 T·m −5%
Xmax9 mm +13%, better
Sensitivity97.1 dB –
Eighteen Sound18W1001
£254.65 · 9% more, worseFs35 Hz +17%, worse
Qts0.23 −4%
Vas268 L −10%
BL27.6 T·m +6%
Xmax7 mm −13%, worse
Sensitivity98.8 dB +1.7
Beyma18PW1400FE
£273.68 · 18% more, worseFs32 Hz +7%
Qts0.27 +13%, worse
Vas228.9 L −23%, better
BL29 T·m +12%, better
Xmax10 mm +25%, better
Sensitivity96.3 dB −0.8
Eighteen Sound18LW1400
£278.41 · 20% more, worseFs31 Hz +3%
Qts0.29 +21%, worse
Vas297 L –
BL24.7 T·m −5%
Xmax9 mm +13%, better
Sensitivity96.6 dB −0.5
RCFL18P400
£289.00 · 24% more, worseFs29 Hz −3%
Qts0.28 +17%, worse
Vas340 L +14%, worse
BL24.6 T·m −5%
Xmax9 mm +13%, better
Sensitivity96.6 dB −0.5
Eighteen Sound18LW1251
£295.82 · 27% more, worseFs35 Hz +17%, worse
Qts0.27 +13%, worse
Vas268 L −10%
BL23.6 T·m −9%
Xmax9 mm +13%, better
Sensitivity98.2 dB +1.1
Eighteen Sound18NLW9400
£309.82 · 33% more, worseFs33 Hz +10%, worse
Qts0.26 +8%
Vas268 L −10%
BL26 T·m –
Xmax9.5 mm +19%, better
Sensitivity97.4 dB –
BMS18S430V2
£316.72 · 36% more, worseFs31 Hz +3%
Qts0.34 +42%, worse
Vas262 L −12%, better
BL23.5 T·m −10%
Xmax8 mm –
Sensitivity95.4 dB −1.7
REDCATT18NPW
£352.26 · 51% more, worseFs36 Hz +20%, worse
Qts0.28 +16%, worse
Vas211.5 L −29%, better
BL27.3 T·m +5%
Xmax4.8 mm −39%, worse
Sensitivity97.5 dB –
Precision DevicesPD.185C003
£366.00 · 57% more, worseFs33 Hz +10%, worse
Qts0.24 –
Vas224 L −25%, better
BL31.5 T·m +21%, better
Xmax11 mm +38%, better
Sensitivity97.5 dB –
RCFLF18N401
£369.00 · 59% more, worseFs32 Hz +7%
Qts0.26 +8%
Vas257 L −13%, better
BL27.8 T·m +7%
Xmax9 mm +13%, better
Sensitivity97 dB –
RCFLF18N451
£375.00 · 61% more, worseFs31 Hz +3%
Qts0.24 –
Vas245 L −18%, better
BL30.2 T·m +16%, better
Xmax9 mm +13%, better
Sensitivity96.7 dB –
REDCATT181XR
£551.69 · 137% more, worseFs30 Hz –
Qts0.23 −4%
Vas195 L −34%, better
BL28.3 T·m +9%
Xmax17 mm +113%, better
Sensitivity95.4 dB −1.7
CIAREPW455
No current priceFs36 Hz +20%, worse
Qts0.24 –
Vas274 L −8%
BL26.2 T·m –
Xmax7.5 mm −6%
Sensitivity99.3 dB +2.2, better
Eighteen Sound18W2001
No current priceFs37 Hz +23%, worse
Qts0.25 +4%
Vas230 L −23%, better
BL27.1 T·m +4%
Xmax7 mm −13%, worse
Sensitivity98.5 dB +1.4
Oberton18NSW700
No current priceFs30 Hz –
Qts0.24 –
Vas309.0 L +4%
BL26.6 T·m –
Xmax14 mm +75%, better
Sensitivity97.5 dB –
Oberton18FBR700
No current priceFs36 Hz +19%, worse
Qts0.27 +13%, worse
Vas231.3 L −22%, better
BL25.2 T·m −3%
Xmax8 mm –
Sensitivity97.8 dB +0.7
Radian Audio2218NEO-8
No current priceFs30 Hz –
Qts0.23 −4%
Vas312 L +5%
BL33 T·m +27%, better
Xmax9 mm +13%, better
Sensitivity97.3 dB –
Oberton18B500
No current priceFs35 Hz +16%, worse
Qts0.28 +15%, worse
Vas243.9 L −18%, better
BL24.1 T·m −7%
Xmax8.8 mm +9%
Sensitivity97.7 dB +0.6
BishopSoundBDP18/4
No current priceFs35 Hz +17%, worse
Qts0.24 –
Vas297.5 L –
BL2.5 T·m −90%, worse
Xmax11.3 mm +41%, better
Sensitivity99.1 dB +2, better
RCFLF18G908
No current priceFs33 Hz +10%, worse
Qts0.29 +21%, worse
Vas268 L −10%
BL24.6 T·m −5%
Xmax9 mm +13%, better
Sensitivity97.1 dB –
Precision DevicesPD.1850/3
No current priceFs33 Hz +10%, worse
Qts0.24 –
Vas203.8 L −31%, better
BL31.0 T·m +19%, better
Xmax11.1 mm +38%, better
Sensitivity96.9 dB –
Precision DevicesPD.184NR1
No current priceFs38 Hz +27%, worse
Qts0.27 +13%, worse
Vas102 L −66%, better
BL29.5 T·m +13%, better
Xmax8.5 mm +6%
Sensitivity94.9 dB −2.2, worse
FaneCOLOSSUS 18XB
No current priceFs33 Hz +10%, worse
Qts0.34 +40%, worse
Vas236 L −21%, better
BL25.9 T·m –
Xmax7.5 mm −6%
Sensitivity95.8 dB −1.3
Oberton18XB1600V2
No current priceFs33 Hz +8%
Qts0.28 +16%, worse
Vas267 L −10%, better
BL29.6 T·m +14%, better
Xmax12.5 mm +56%, better
Sensitivity97.1 dB –
BishopSoundBWP18/8/V2
No current priceFs35 Hz +17%, worse
Qts0.31 +29%, worse
Vas378 L +27%, worse
BL26.2 T·m –
Xmax12 mm +50%, better
Sensitivity100 dB +2.9, better
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 |
|---|---|---|---|---|
Blue Aran | £238.00, the lowest price | 1 in stock | Visit shop at Blue Aran | |
Thomann | £238.00 | In stock | Visit shop at Thomann | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £250.00 | 5.0% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure | £250.00 | 5.0% above the lowest price | In stock | Visit shop at JP Leisure |
Lean Business | £301.27 | 27% above the lowest price | Stock not listed | Visit shop at Lean Business |
Audio Video Parts Import VAT and duty may apply | £193.31 | Special order | Visit shop at Audio Video Parts | |
Audio Video Parts Import VAT and duty may apply | £200.38 | Special order | Visit shop at Audio Video Parts |
Best price over time
Tracked since 1 Apr
Recent changes
- 4 OctThomann£241.00 → £238.00Down 1.2% from £241.00
- 26 SepThomann£240.00 → £241.00Up 0.4% from £240.00
- 2 SepThomann£239.00 → £240.00Up 0.4% from £239.00