REDCATT182FIND
£201.06 · 63% less, betterFs31 Hz +3%
Qts0.23 –
Vas208.6 L +7%
BL35.4 T·m +25%, better
Xmax5.8 mm −66%, worse
Sensitivity96.2 dB +0.8
18-inch LF driver · 102 mm voice coil · 1,200 W
REDCATT 181XR 4Ω
4 Ω
No price for delivery to the UK
- Fs
- 30Hz
- Xmax
- 17mm
- SPL
- 95dB
- Pe
- 1200W
- BL
- 28.3T·m
- Vd
- 2136cm³
- Qts
- 0.23
- Vas
- 195L
REDCATT 181XR is an 18-inch 4 ohm LF driver rated at 1200 W RMS. The validated T/S data includes Fs 30 Hz, Qts 0.23, Vas 195 L, Xmax 17 mm, sensitivity 95.4 dB, plus 2136 cm³ Vd and 125 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 £549.08.
The published T/S values agree with each other
Thiele/Small
- Fs
- 30Hz
- Qts
- 0.23
- Qes
- 0.24
- Qms
- 13.2
- Vas
- 195L
- Re
- 3.3Ω
- Le
- 1.30mH
Motor and cone
- BL
- 28.3T·m
- Sd
- 1257cm²
- Mms
- 306g
- Xmax
- 17mm
- Vd †
- 2136cm³
- Voice coil
- 102mm
Power and response
- Sensitivity †
- 95.4dB
- Manufacturer sensitivity
- 96.5dB
- Power
- 1200W
- Impedance
- 4Ω
- EBP †
- 125 · Leans vented
Size and mounting
- Diameter
- 467.6mm
- Cutout
- 422mm
- Bolt circle
- 442mm
- Weight
- 14.5kg
Other published values
- Xmech
- 36
- Power Peak
- 4800
Other dimensions
- Mounting Depth
- 257.2
Sensitivity shows 95.4 dB, calculated from the T/S values. REDCATT publishes 96.5 dB, 1.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 18″
- BL
- 28.3T·m
- Fs
- 30Hz
- Le
- 1.30mH
- Re
- 3.3Ω
- Sd
- 1257cm²
- Mms
- 306g
- Qes
- 0.24
- Qms
- 13.2
- Qts
- 0.23
- SPL
- 95.4dB
- Vas
- 195L
- Xmax
- 17mm
- Xmech
- 36
- Power
- 1200W
- Impedance
- 4Ω
- Power Peak
- 4800
- Sensitivity
- 96.5dB
- Calculated sensitivity †
- 95.4dB
- Manufacturer sensitivity
- 96.5dB
- Voice coil
- 102mm
- Weight
- 14.5kg
- Diameter
- 467.6mm
- Mounting Depth
- 257.2
- Cutout
- 422mm
- Bolt circle
- 442mm
02
Compare
Same-size drivers, compared with the 181XR. Clear differences are green when better and red when worse.
This driver181XR
Best price
£549.08
Fs
30 Hz
Qts
0.23
Vas
195 L
BL
28.3 T·m
Xmax
17 mm
Sensitivity
95.4 dB
Power
1200 W
B&C18NW100
£236.99 · 57% less, betterFs30 Hz –
Qts0.27 +17%, worse
Vas203.5 L +4%
BL24.7 T·m −13%, worse
Xmax9 mm −47%, worse
Sensitivity95 dB –
Eighteen Sound18W1001
£254.65 · 54% less, betterFs35 Hz +17%, worse
Qts0.23 –
Vas268 L +37%, worse
BL27.6 T·m –
Xmax7 mm −59%, worse
Sensitivity98.8 dB +3.4, better
Beyma18PW1400FE
£273.68 · 50% less, betterFs32 Hz +7%
Qts0.27 +17%, worse
Vas228.9 L +17%, worse
BL29 T·m –
Xmax10 mm −41%, worse
Sensitivity96.3 dB +0.9
CIARENDH18-4S
£291.62 · 47% less, betterFs31 Hz +3%
Qts0.25 +9%
Vas240 L +23%, worse
BL22.2 T·m −22%, worse
Xmax11.5 mm −32%, worse
Sensitivity96.6 dB +1.2
Beyma18QLEX1600FE
£299.00 · 46% less, betterFs30 Hz –
Qts0.23 –
Vas195 L –
BL36.4 T·m +29%, better
Xmax13 mm −24%, worse
Sensitivity95.4 dB –
Eighteen Sound18LW2600
£299.91 · 45% less, betterFs30 Hz –
Qts0.28 +22%, worse
Vas186 L −5%
BL23.4 T·m −17%, worse
Xmax14 mm −18%, worse
Sensitivity94.4 dB −1
B&C18DS100
£349.75 · 36% less, betterFs32 Hz +7%
Qts0.24 +4%
Vas157 L −19%, better
BL24.3 T·m −14%, worse
Xmax14 mm −18%, worse
Sensitivity95.3 dB –
REDCATT18NPW
£350.60 · 36% less, betterFs36 Hz +20%, worse
Qts0.28 +21%, worse
Vas211.5 L +8%
BL27.3 T·m −4%
Xmax4.8 mm −71%, worse
Sensitivity97.5 dB +2.1, better
RCFLF18X451
£360.00 · 34% less, betterFs30 Hz –
Qts0.28 +22%, worse
Vas220 L +13%, worse
BL30.5 T·m +8%
Xmax14 mm −18%, worse
Sensitivity95.1 dB –
RCFLF18N401
£362.42 · 34% less, betterFs32 Hz +7%
Qts0.26 +13%, worse
Vas257 L +32%, worse
BL27.8 T·m –
Xmax9 mm −47%, worse
Sensitivity97 dB +1.6
Precision DevicesPD.185C003
£366.00 · 33% less, betterFs33 Hz +10%, worse
Qts0.24 +4%
Vas224 L +15%, worse
BL31.5 T·m +11%, better
Xmax11 mm −35%, worse
Sensitivity97.5 dB +2.1, better
RCFLF18N451
£375.00 · 32% less, betterFs31 Hz +3%
Qts0.24 +4%
Vas245 L +26%, worse
BL30.2 T·m +7%
Xmax9 mm −47%, worse
Sensitivity96.7 dB +1.3
Eighteen Sound18NLW4100
£375.10 · 32% less, betterFs29 Hz −3%
Qts0.27 +17%, worse
Vas207 L +6%
BL22.8 T·m −19%, worse
Xmax15 mm −12%, worse
Sensitivity94.6 dB −0.8
SB AudienceNERO-18SW1900D
£397.02 · 28% less, betterFs34 Hz +13%, worse
Qts0.42 +83%, worse
Vas157.9 L −19%, better
BL28.5 T·m –
Xmax17.5 mm –
Sensitivity93.6 dB −1.8
FaitalPRO18XL2000
£420.00 · 24% less, betterFs28 Hz −7%
Qts0.27 +17%, worse
Vas232.1 L +19%, worse
BL30.8 T·m +9%
Xmax16.3 mm −4%
Sensitivity94.6 dB −0.8
RCFLN19S400
£420.71 · 23% less, betterFs32 Hz +7%
Qts0.26 +13%, worse
Vas204 L +5%
BL32 T·m +13%, better
Xmax17 mm –
Sensitivity96 dB +0.6
B&C18DS115
£438.46 · 20% less, betterFs30 Hz –
Qts0.17 −26%, better
Vas177 L −9%
BL34 T·m +20%, better
Xmax16.5 mm –
Sensitivity96.3 dB +0.9
FaitalPRO18XL1700
£473.00 · 14% less, betterFs28 Hz −7%
Qts0.28 +22%, worse
Vas227 L +16%, worse
BL30.5 T·m +8%
Xmax16.2 mm −5%
Sensitivity94.4 dB −1
Eighteen Sound18NTLW5000
£550.00 · Same priceFs32 Hz +7%
Qts0.30 +30%, worse
Vas165 L −15%, better
BL25 T·m −12%, worse
Xmax17.5 mm –
Sensitivity94.4 dB −1
Eighteen Sound18NLW9000
£607.00 · 11% more, worseFs32 Hz +7%
Qts0.21 −9%
Vas247 L +27%, worse
BL25 T·m −12%, worse
Xmax14 mm −18%, worse
Sensitivity97.7 dB +2.3, better
Precision DevicesPD.1850/3
No current priceFs33 Hz +10%, worse
Qts0.24 +4%
Vas203.8 L +5%
BL31.0 T·m +10%
Xmax11.1 mm −35%, worse
Sensitivity96.9 dB +1.5
Oberton18XB1500V2
No current priceFs36 Hz +19%, worse
Qts0.23 –
Vas192.5 L –
BL31.6 T·m +12%, better
Xmax11 mm −35%, worse
Sensitivity97.9 dB +2.5, better
Eighteen Sound18W2000
No current priceFs37 Hz +23%, worse
Qts0.25 +9%
Vas230 L +18%, worse
BL27.1 T·m −4%
Xmax–
Sensitivity98.5 dB +3.1, better
Eighteen Sound18W2001
No current priceFs37 Hz +23%, worse
Qts0.25 +9%
Vas230 L +18%, worse
BL27.1 T·m −4%
Xmax7 mm −59%, worse
Sensitivity98.5 dB +3.1, better
Oberton18NSW700
No current priceFs30 Hz –
Qts0.24 +6%
Vas309.0 L +58%, worse
BL26.6 T·m −6%
Xmax14 mm −18%, worse
Sensitivity97.5 dB +2.1, better
CIAREPW455
No current priceFs35 Hz +17%, worse
Qts0.24 +4%
Vas236 L +21%, worse
BL21.8 T·m −23%, worse
Xmax8.5 mm −50%, worse
Sensitivity98.3 dB +2.9, better
LavoceSAF185.00
No current priceFs34 Hz +13%, worse
Qts0.23 –
Vas164.3 L −16%, better
BL37.5 T·m +32%, better
Xmax11.6 mm −32%, worse
Sensitivity96.3 dB +0.9
No photo
Precision DevicesPD.1845-1N
No current priceFs34 Hz +14%, worse
Qts0.32 +41%, worse
Vas179.0 L −8%
BL26.4 T·m −7%
Xmax16 mm −6%
Sensitivity95.3 dB –
B&C19RS115
No current priceFs30 Hz –
Qts0.20 −13%, better
Vas198 L –
BL34.9 T·m +23%, better
Xmax23.3 mm +37%, better
Sensitivity96.1 dB +0.7
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
None of the shops we track lists delivery to the UK at checkout.