B&C18PS76
£163.07 · 44% less, betterFs39 Hz +34%, worse
Qts0.27 −4%
Vas207 L −39%, better
BL25.8 T·m +5%
Xmax7 mm −22%, worse
Sensitivity98.3 dB +1.7
18-inch LF driver · 102 mm voice coil · 1,000 W
RCF L18P400 8Ω
8 Ω · 25–1000 Hz
£289.00
18%Blue Aran · 4 in stock · All 4 offers
- Fs
- 29Hz
- Xmax
- 9mm
- SPL
- 97dB
- Pe
- 1000W
- BL
- 24.6T·m
- Vd
- 1080cm³
- Qts
- 0.28
- Vas
- 340L
RCF L18P400 is an 18-inch 8 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 29 Hz, Qts 0.28, Vas 340 L, Xmax 9 mm, sensitivity 96.6 dB, plus 1080 cm³ Vd and 100 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 £289.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 29Hz
- Qts
- 0.28
- Qes
- 0.29
- Qms
- 7.6
- Vas
- 340L
- Re
- 5.1Ω
- Le
- 1.20mH
Motor and cone
- BL
- 24.6T·m
- Sd
- 1200cm²
- Mms
- 200g
- Xmax
- 9mm
- Vd †
- 1080cm³
- Voice coil
- 102mm
Power and response
- Sensitivity †
- 96.6dB
- Manufacturer sensitivity
- 97.5dB
- Power
- 1000W
- Impedance
- 8Ω
- Min. impedance
- 6.5Ω
- Range
- 25–1000Hz
- EBP †
- 100 · Sealed or vented
Size and mounting
- Diameter
- 465mm
- Cutout
- 424mm
- Bolt circle
- 447mm
- Weight
- 13.5kg
Other published values
- Xmech
- 50
- Power Program
- 2000
† Calculated by bits from the published values
What this validation status means
Everything else RCF lists
LF · Primary · 18″
- BL
- 24.6T·m
- Fs
- 29Hz
- Le
- 1.20mH
- Re
- 5.1Ω
- Sd
- 1200cm²
- Mms
- 200g
- Qes
- 0.29
- Qms
- 7.6
- Qts
- 0.28
- SPL
- 96.6dB
- Vas
- 340L
- Xmax
- 9mm
- Xmech
- 50
- Power
- 1000W
- Impedance
- 8Ω
- Sensitivity
- 97.5dB
- Low limit
- 25Hz
- Power Program
- 2000
- Calculated sensitivity †
- 96.6dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 97.5dB
- Min. impedance
- 6.5Ω
- Voice coil
- 102mm
- Weight
- 13.5kg
- Diameter
- 465mm
- Cutout
- 424mm
- Bolt circle
- 447mm
02
Designs
Plans from builders
Links to published plans that name this driver
On the designer’s shortlist
03
Compare
Same-size drivers, compared with the L18P400. Clear differences are green when better and red when worse.
This driverL18P400
Best price
£289.00
Fs
29 Hz
Qts
0.28
Vas
340 L
BL
24.6 T·m
Xmax
9 mm
Sensitivity
96.6 dB
Power
1000 W
CelestionFTR18-4080FD
£219.38 · 24% less, betterFs25 Hz −13%, better
Qts0.29 –
Vas408.7 L +20%, worse
BL22.8 T·m −7%
Xmax8.5 mm −6%
Sensitivity95.4 dB −1.2
FaitalPRO18FH510
£221.89 · 23% less, betterFs30 Hz +3%
Qts0.29 +4%
Vas411.9 L +21%, worse
BL21 T·m −15%, worse
Xmax9.3 mm –
Sensitivity97.7 dB +1.1
EminenceSIGMA PRO-18A
£234.45 · 19% less, betterFs28 Hz −3%
Qts0.29 +4%
Vas441.2 L +30%, worse
BL22.1 T·m −10%, worse
Xmax6.1 mm −32%, worse
Sensitivity97.1 dB +0.5
B&C18NW100
£234.88 · 19% less, betterFs31 Hz +7%
Qts0.26 −7%
Vas252 L −26%, better
BL28 T·m +14%, better
Xmax9 mm –
Sensitivity96.5 dB –
B&C18PZB100
£235.00 · 19% less, betterFs30 Hz +3%
Qts0.24 −14%, better
Vas297 L −13%, better
BL26 T·m +6%
Xmax8 mm −11%, worse
Sensitivity97.1 dB +0.5
RCFLF18G401
£252.42 · 13% less, betterFs33 Hz +14%, worse
Qts0.29 +4%
Vas268 L −21%, better
BL24.6 T·m –
Xmax9 mm –
Sensitivity97.1 dB +0.5
FaitalPRO18HP1022
£266.26 · 8% less, betterFs35 Hz +21%, worse
Qts0.30 +7%
Vas204.9 L −40%, better
BL28 T·m +14%, better
Xmax9.5 mm +6%
Sensitivity96.6 dB –
Eighteen Sound18LW2400
£272.63 · 6% less, betterFs35 Hz +21%, worse
Qts0.31 +11%, worse
Vas230 L −32%, better
BL25.6 T·m +4%
Xmax9.5 mm +6%
Sensitivity96.9 dB –
Beyma18PW1400FE
£273.68 · 5% less, betterFs32 Hz +10%, worse
Qts0.27 −4%
Vas228.9 L −33%, better
BL29 T·m +18%, better
Xmax10 mm +11%, better
Sensitivity96.3 dB –
Eighteen Sound18LW1400
£274.64 · 5% lessFs31 Hz +7%
Qts0.29 +4%
Vas297 L −13%, better
BL24.7 T·m –
Xmax9 mm –
Sensitivity96.6 dB –
RCFLF18X401
£289.00 · Same priceFs30 Hz +3%
Qts0.30 +7%
Vas274 L −19%, better
BL26.5 T·m +8%
Xmax12 mm +33%, better
Sensitivity95.8 dB −0.8
Dayton Audio18SW1200N-8
£301.39 · 4% moreFs32 Hz +10%, worse
Qts0.33 +18%, worse
Vas253.6 L −25%, better
BL27.6 T·m +12%, better
Xmax9.1 mm –
Sensitivity95.8 dB −0.8
Eighteen Sound18NLW9400
£305.62 · 6% more, worseFs33 Hz +14%, worse
Qts0.26 −7%
Vas268 L −21%, better
BL26 T·m +6%
Xmax9.5 mm +6%
Sensitivity97.4 dB +0.8
REDCATT18NPW
£347.48 · 20% more, worseFs36 Hz +24%, worse
Qts0.28 –
Vas211.5 L −38%, better
BL27.3 T·m +11%, better
Xmax4.8 mm −46%, worse
Sensitivity97.5 dB +0.9
RCFLF18N401
£359.21 · 24% more, worseFs32 Hz +10%, worse
Qts0.26 −7%
Vas257 L −24%, better
BL27.8 T·m +13%, better
Xmax9 mm –
Sensitivity97 dB –
RCFLF18N451
£375.00 · 30% more, worseFs31 Hz +7%
Qts0.24 −14%, better
Vas245 L −28%, better
BL30.2 T·m +23%, better
Xmax9 mm –
Sensitivity96.7 dB –
Oberton18XB1600V2
£388.58 · 34% more, worseFs33 Hz +12%, worse
Qts0.28 –
Vas267 L −21%, better
BL29.6 T·m +20%, better
Xmax12.5 mm +39%, better
Sensitivity97.1 dB +0.5
RCFLF18G908
No current priceFs33 Hz +14%, worse
Qts0.29 +4%
Vas268 L −21%, better
BL24.6 T·m –
Xmax9 mm –
Sensitivity97.1 dB +0.5
Eighteen Sound18LW1251
No current priceFs35 Hz +21%, worse
Qts0.27 −4%
Vas268 L −21%, better
BL23.6 T·m −4%
Xmax9 mm –
Sensitivity98.2 dB +1.6
Oberton18B500
No current priceFs35 Hz +20%, worse
Qts0.28 –
Vas243.9 L −28%, better
BL24.1 T·m –
Xmax8.8 mm –
Sensitivity97.7 dB +1.1
Oberton18FBR700
No current priceFs36 Hz +23%, worse
Qts0.27 −3%
Vas231.3 L −32%, better
BL25.2 T·m –
Xmax8 mm −11%, worse
Sensitivity97.8 dB +1.2
Oberton18XB700
No current priceFs36 Hz +24%, worse
Qts0.30 +9%
Vas183.2 L −46%, better
BL26.1 T·m +6%
Xmax9 mm –
Sensitivity96.4 dB –
Oberton18B35
No current priceFs32 Hz +10%
Qts0.32 +16%, worse
Vas333.6 L –
BL19.3 T·m −21%, worse
Xmax9 mm –
Sensitivity97 dB –
FaneCOLOSSUS 18-800N
No current priceFs38 Hz +31%, worse
Qts0.31 +9%
Vas217 L −36%, better
BL24 T·m –
Xmax8 mm −11%, worse
Sensitivity97.7 dB +1.1
Precision DevicesPD.184NR1
No current priceFs38 Hz +31%, worse
Qts0.27 −4%
Vas102 L −70%, better
BL29.5 T·m +20%, better
Xmax8.5 mm −6%
Sensitivity94.9 dB −1.7
Eighteen Sound18W1300
No current priceFs35 Hz +21%, worse
Qts0.33 +18%, worse
Vas336 L –
BL20.4 T·m −17%, worse
Xmax8.5 mm −6%
Sensitivity98.2 dB +1.6
No photo
RCFLF18Y402
No current priceFs30 Hz +3%
Qts0.30 +7%
Vas274 L −19%, better
BL26.5 T·m +8%
Xmax12 mm +33%, better
Sensitivity95.8 dB −0.8
Oberton18NXB700
No current priceFs36 Hz +25%, worse
Qts0.31 +11%, worse
Vas155.5 L −54%, better
BL27.8 T·m +13%, better
Xmax9 mm –
Sensitivity95.6 dB −1
BishopSoundBWP18/8
No current priceFs35 Hz +21%, worse
Qts0.31 +11%, worse
Vas378 L +11%, worse
BL26.2 T·m +7%
Xmax12 mm +33%, better
Sensitivity100 dB +3.4, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.9 out of 519 ratings · Checked 25 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 | £289.00, the lowest price | 4 in stock | Visit shop at Blue Aran | |
Lean Business | £245.00 | Out of stock | Visit shop at Lean Business | |
Thomann | £299.00 | 3.5% above the lowest price | In stock | Visit shop at Thomann |
Audio Video Parts Import VAT and duty may apply | £229.92 | Special order | Visit shop at Audio Video Parts |
Best price over time
Tracked since 1 Apr
Recent changes
- 24 OctThomann£309.00 → £299.00Down 3.2% from £309.00
- 8 OctThomann£311.00 → £309.00Down 0.6% from £311.00
- 28 JulThomann£309.00 → £311.00Up 0.6% from £309.00