- 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 4Ω
40–2000 Hz
£238.00
SteadyBlue Aran · 4 in stock · All 5 offers
- Fs
- 38Hz
- Xmax
- 8mm
- SPL
- 97dB
- Pe
- 700W
- BL
- 25T·m
- Vd
- 907cm³
- Qts
- 0.28
- Vas
- 164L
Published graphs
B&C 18PZB100 is an 18-inch 4 ohm LF driver rated at 700 W RMS. The validated T/S data includes Fs 38 Hz, Qts 0.28, Vas 164 L, Xmax 8 mm, sensitivity 96.9 dB, plus 907 cm³ Vd and 131 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
- 38Hz
- Qts
- 0.28
- Qes
- 0.29
- Qms
- 6.1
- Vas
- 164L
- Re
- 4Ω
- Le
- 1.25mH
Motor and cone
- BL
- 25T·m
- Sd
- 1134cm²
- Mms
- 190g
- Xmax
- 8mm
- Vd †
- 907cm³
- Voice coil
- 100mm
- Flux density
- 1.15T
Power and response
- Sensitivity †
- 96.9dB
- Manufacturer sensitivity
- 96.5dB
- Power
- 700W
- Nominal power
- 700W
- Impedance
- 4Ω
- Min. impedance
- 4.2Ω
- Range
- 40–2000Hz
- EBP †
- 131 · 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
- 25T·m
- Fs
- 38Hz
- Le
- 1.25mH
- Re
- 4Ω
- Sd
- 1134cm²
- Mms
- 190g
- Qes
- 0.29
- Qms
- 6.1
- Qts
- 0.28
- SPL
- 96.9dB
- Vas
- 164L
- Xmax
- 8mm
- Power
- 700W
- Impedance
- 4Ω
- Flux density
- 1.15T
- Sensitivity
- 96.5dB
- Low limit
- 40Hz
- Nominal power
- 700W
- Calculated sensitivity †
- 96.9dB
- High limit
- 2000Hz
- Manufacturer sensitivity
- 96.5dB
- Min. impedance
- 4.2Ω
- Voice coil
- 100mm
- Weight
- 12.2kg
- Diameter
- 460mm
- Depth
- 202mm
- Cutout
- 422mm
- Bolt circle
- 440mm
- Bl
- 25 Tm
- Fs
- 38 Hz
- Le
- 1.25 mH
- Re
- 4 Ω
- Sd
- 1134 cm² (175.77 in²)
- Ebp
- 131 Hz
- Mms
- 190 g
- Qes
- 0.29
- Qms
- 6.1
- Qts
- 0.28
- Vas
- 164 dm³ (5.79 ft³)
- Η0
- 2.95 %
- Cone
- RCK18PZB1004
- 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
- 96.5 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
- 4.2 Ω
- Nominal impedance
- 4 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 (17.32 in)
- Recommended enclosure
- 160 dm³ (5.65 ft³)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 422 mm (16.61 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 (0.34 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
38 Hz
Qts
0.28
Vas
164 L
BL
25 T·m
Xmax
8 mm
Sensitivity
96.9 dB
Power
700 W
CelestionFTR18-4080FD
£222.39 · 4% lessFs25 Hz −34%, better
Qts0.29 –
Vas408.7 L +149%, worse
BL22.8 T·m −9%
Xmax8.5 mm +6%
Sensitivity95.4 dB −1.5
B&C18PZW100
£224.09 · 4% lessFs37 Hz –
Qts0.36 +29%, worse
Vas186 L +13%, worse
BL25.5 T·m –
Xmax8 mm –
Sensitivity96 dB −0.9
RCFL18P300
£225.00 · 3% lessFs33 Hz −13%, better
Qts0.33 +18%, worse
Vas226 L +38%, worse
BL23.5 T·m −6%
Xmax8 mm –
Sensitivity95.8 dB −1.1
B&C18NW100
£238.11 · 2% moreFs30 Hz −21%, better
Qts0.27 −4%
Vas203.5 L +24%, worse
BL24.7 T·m –
Xmax9 mm +13%, better
Sensitivity95 dB −1.9
Beyma18P1000FEV2S
£249.00 · 7% more, worseFs33 Hz −13%, better
Qts0.32 +14%, worse
Vas230 L +40%, worse
BL26.8 T·m +7%
Xmax8 mm –
Sensitivity96 dB −0.9
RCFLF18G401
£252.42 · 9% more, worseFs33 Hz −13%, better
Qts0.29 +4%
Vas268 L +63%, worse
BL24.6 T·m –
Xmax9 mm +13%, better
Sensitivity97.1 dB –
FaitalPRO18HP1022
£269.93 · 16% more, worseFs35 Hz −8%
Qts0.30 +7%
Vas204.9 L +25%, worse
BL28 T·m +12%, better
Xmax9.5 mm +19%, better
Sensitivity96.6 dB –
FaneCOLOSSUS 18SB
£287.00 · 23% more, worseFs36 Hz −5%
Qts0.35 +24%, worse
Vas199 L +21%, worse
BL24 T·m −4%
Xmax8.3 mm +3%
Sensitivity96.1 dB −0.8
RCFL18P400
£289.00 · 24% more, worseFs29 Hz −24%, better
Qts0.28 –
Vas340 L +107%, worse
BL24.6 T·m –
Xmax9 mm +13%, better
Sensitivity96.6 dB –
Eighteen Sound18LW1251
£295.82 · 27% more, worseFs35 Hz −8%
Qts0.27 −4%
Vas268 L +63%, worse
BL23.6 T·m −6%
Xmax9 mm +13%, better
Sensitivity98.2 dB +1.3
Eighteen Sound18LW2600
£301.33 · 30% more, worseFs30 Hz −21%, better
Qts0.28 –
Vas186 L +13%, worse
BL23.4 T·m −6%
Xmax14 mm +75%, better
Sensitivity94.4 dB −2.5, worse
B&C18DS100
£351.41 · 51% more, worseFs32 Hz −16%, better
Qts0.24 −14%, better
Vas157 L −4%
BL24.3 T·m –
Xmax14 mm +75%, better
Sensitivity95.3 dB −1.6
REDCATT18NPW
£352.26 · 51% more, worseFs36 Hz −5%
Qts0.28 –
Vas211.5 L +29%, worse
BL27.3 T·m +9%
Xmax4.8 mm −39%, worse
Sensitivity97.5 dB +0.6
RCFLF18N401
£369.00 · 59% more, worseFs32 Hz −16%, better
Qts0.26 −7%
Vas257 L +57%, worse
BL27.8 T·m +11%, better
Xmax9 mm +13%, better
Sensitivity97 dB –
Eighteen Sound18NLW4100
£376.88 · 62% more, worseFs29 Hz −24%, better
Qts0.27 −4%
Vas207 L +26%, worse
BL22.8 T·m −9%
Xmax15 mm +88%, better
Sensitivity94.6 dB −2.3, worse
B&C18SW115
£435.74 · 87% more, worseFs34 Hz −11%, better
Qts0.30 +7%
Vas149.1 L −9%
BL26 T·m +4%
Xmax14 mm +75%, better
Sensitivity94.8 dB −2.1, worse
Eighteen Sound18NTLW5000
£550.00 · 136% more, worseFs32 Hz −16%, better
Qts0.30 +7%
Vas165 L –
BL25 T·m –
Xmax17.5 mm +119%, better
Sensitivity94.4 dB −2.5, worse
Eighteen Sound18NLW9601
£550.89 · 137% more, worseFs38 Hz –
Qts0.28 –
Vas111 L −32%, better
BL25 T·m –
Xmax14 mm +75%, better
Sensitivity95.3 dB −1.6
Oberton18FBR700
No current priceFs36 Hz −6%
Qts0.27 −3%
Vas231.3 L +41%, worse
BL25.2 T·m –
Xmax8 mm –
Sensitivity97.8 dB +0.9
Oberton18XB700
No current priceFs36 Hz −5%
Qts0.30 +9%
Vas183.2 L +12%, worse
BL26.1 T·m +4%
Xmax9 mm +13%, better
Sensitivity96.4 dB −0.5
Oberton18B500
No current priceFs35 Hz −8%
Qts0.28 –
Vas243.9 L +49%, worse
BL24.1 T·m −4%
Xmax8.8 mm +9%
Sensitivity97.7 dB +0.8
Precision DevicesPD.184NR1
No current priceFs38 Hz –
Qts0.27 −4%
Vas102 L −38%, better
BL29.5 T·m +18%, better
Xmax8.5 mm +6%
Sensitivity94.9 dB −2, worse
Oberton18NXB1200
No current priceFs36 Hz −6%
Qts0.28 –
Vas159.6 L –
BL29.4 T·m +17%, better
Xmax11.5 mm +44%, better
Sensitivity96 dB −0.9
Oberton18NXB700
No current priceFs36 Hz −5%
Qts0.31 +11%, worse
Vas155.5 L −5%
BL27.8 T·m +11%, better
Xmax9 mm +13%, better
Sensitivity95.6 dB −1.3
RCFLF18G908
No current priceFs33 Hz −13%, better
Qts0.29 +4%
Vas268 L +63%, worse
BL24.6 T·m –
Xmax9 mm +13%, better
Sensitivity97.1 dB –
Oberton18XB1301DS
No current priceFs36 Hz −6%
Qts0.30 +8%
Vas172.9 L +5%
BL26.9 T·m +7%
Xmax12 mm +50%, better
Sensitivity96 dB −0.9
Oberton18NXB1601
No current priceFs35 Hz −9%
Qts0.29 –
Vas146.2 L −11%, better
BL30.5 T·m +22%, better
Xmax12.5 mm +56%, better
Sensitivity95.1 dB −1.8
Eighteen Sound18W2001
No current priceFs37 Hz –
Qts0.25 −11%, better
Vas230 L +40%, worse
BL27.1 T·m +8%
Xmax7 mm −13%, worse
Sensitivity98.5 dB +1.6
Oberton18XB1201
No current priceFs38 Hz –
Qts0.32 +13%, worse
Vas159.4 L –
BL26.7 T·m +7%
Xmax10.5 mm +31%, better
Sensitivity96.3 dB −0.6
VAS Audio18-1700NC
No current priceFs32 Hz −16%, better
Qts0.28 –
Vas178 L +9%
BL34.4 T·m +38%, better
Xmax13.5 mm +69%, better
Sensitivity95.1 dB −1.8
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 | 4 in stock | Visit shop at Blue Aran | |
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 |
Audio Video Parts Import VAT and duty may apply | £204.83 | Special order | Visit shop at Audio Video Parts |
Best price over time
Tracked since 1 Apr
Recent changes
- 17 JulBlue Aran£241.99 → £238.00Down 1.6% from £241.99
- 23 JunJP Leisure£253.13 → £250.00Down 1.2% from £253.13
- 5 JunBlue Aran£220.00 → £241.99Up 10% from £220.00