REDCATT182FIND
£199.28 · 44% less, betterFs31 Hz −6%
Qts0.23 −4%
Vas208.6 L −7%
BL35.4 T·m +12%, better
Xmax5.8 mm −48%, worse
Sensitivity96.2 dB −1.3
18-inch LF driver · PD series · 127 mm voice coil · 1,500 W
Precision Devices PD.185C003 8Ω
8 Ω · 30–500 Hz
£359.00
1.9%Thomann · In stock · All 1 offer
- Fs
- 33Hz
- Xmax
- 11mm
- SPL
- 98dB
- Pe
- 1500W
- BL
- 31.5T·m
- Vd
- 1280cm³
- Qts
- 0.24
- Vas
- 224L
Precision Devices PD.185C003 is an 18-inch 8 ohm LF driver rated at 1500 W RMS. The validated T/S data includes Fs 33 Hz, Qts 0.24, Vas 224 L, Xmax 11 mm, sensitivity 97.5 dB, plus 1280 cm³ Vd and 144 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 £359.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 33Hz
- Qts
- 0.24
- Qes
- 0.23
- Qms
- 10.6
- Vas
- 224L
- Re
- 5.4Ω
- Le
- 2.80mH
Motor and cone
- BL
- 31.5T·m
- Sd
- 1164cm²
- Mms
- 197g
- Xmax
- 11mm
- Vd †
- 1280cm³
- Voice coil
- 127mm
- Flux density
- 1.25T
Power and response
- Sensitivity †
- 97.5dB
- Manufacturer sensitivity
- 99dB
- Power
- 1500W
- Impedance
- 8Ω
- Range
- 30–500Hz
- EBP †
- 144 · Leans vented
Size and mounting
- Diameter
- 474mm
- Cutout
- 415mm
- Bolt circle
- 456mm
- Depth
- 194mm
- Weight
- 21.9kg
Other published values
- Cms
- 0.12mm/N
- Power Peak
- 6000
Sensitivity shows 97.5 dB, calculated from the T/S values. Precision Devices publishes 99.0 dB, 1.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Precision Devices lists
LF · Primary · 18″
- BL
- 31.5T·m
- Fs
- 33Hz
- Le
- 2.80mH
- Re
- 5.4Ω
- Sd
- 1164cm²
- Cms
- 0.12mm/N
- Mms
- 197g
- Qes
- 0.23
- Qms
- 10.6
- Qts
- 0.24
- SPL
- 97.5dB
- Vas
- 224L
- Xmax
- 11mm
- Power
- 1500W
- Impedance
- 8Ω
- Power Peak
- 6000
- Flux density
- 1.25T
- Sensitivity
- 99dB
- Low limit
- 30Hz
- Calculated sensitivity †
- 97.5dB
- High limit
- 500Hz
- Manufacturer sensitivity
- 99dB
- Voice coil
- 127mm
- Weight
- 21.9kg
- Diameter
- 474mm
- Depth
- 194mm
- Cutout
- 415mm
- Bolt circle
- 456mm
02
Compare
Same-size drivers, compared with the PD.185C003. Clear differences are green when better and red when worse.
This driverPD.185C003
Best price
£359.00
Fs
33 Hz
Qts
0.24
Vas
224 L
BL
31.5 T·m
Xmax
11 mm
Sensitivity
97.5 dB
Power
1500 W
B&C18NW100
£234.88 · 35% less, betterFs31 Hz −6%
Qts0.26 +8%
Vas252 L +13%, worse
BL28 T·m −11%, worse
Xmax9 mm −18%, worse
Sensitivity96.5 dB −1
B&C18PZB100
£235.00 · 35% less, betterFs30 Hz −9%
Qts0.24 –
Vas297 L +33%, worse
BL26 T·m −17%, worse
Xmax8 mm −27%, worse
Sensitivity97.1 dB –
Eighteen Sound18W1001
£254.65 · 29% less, betterFs35 Hz +6%
Qts0.23 −4%
Vas268 L +20%, worse
BL27.6 T·m −12%, worse
Xmax7 mm −36%, worse
Sensitivity98.8 dB +1.3
Beyma18PW1400FE
£273.68 · 24% less, betterFs32 Hz −3%
Qts0.27 +13%, worse
Vas228.9 L –
BL29 T·m −8%
Xmax10 mm −9%
Sensitivity96.3 dB −1.2
Beyma18LEX1200ND
£279.79 · 22% less, betterFs36 Hz +9%
Qts0.33 +38%, worse
Vas219 L –
BL26.4 T·m −16%, worse
Xmax11 mm –
Sensitivity96.7 dB −0.8
CIARENDH18-4S
£291.62 · 19% less, betterFs31 Hz −6%
Qts0.32 +33%, worse
Vas239 L +7%
BL27.7 T·m −12%, worse
Xmax11.5 mm +5%
Sensitivity95.4 dB −2.1, worse
Beyma18QLEX1600FE
£299.00 · 17% less, betterFs30 Hz −9%
Qts0.23 −4%
Vas195 L −13%, better
BL36.4 T·m +16%, better
Xmax13 mm +18%, better
Sensitivity95.4 dB −2.1, worse
Eighteen Sound18NLW9400
£305.62 · 15% less, betterFs33 Hz –
Qts0.26 +8%
Vas268 L +20%, worse
BL26 T·m −17%, worse
Xmax9.5 mm −14%, worse
Sensitivity97.4 dB –
REDCATT18NPW
£347.48 · 3% lessFs36 Hz +9%
Qts0.28 +16%, worse
Vas211.5 L −6%
BL27.3 T·m −13%, worse
Xmax4.8 mm −56%, worse
Sensitivity97.5 dB –
RCFLF18N401
£359.21 · Same priceFs32 Hz −3%
Qts0.26 +8%
Vas257 L +15%, worse
BL27.8 T·m −12%, worse
Xmax9 mm −18%, worse
Sensitivity97 dB −0.5
RCFLF18X451
£360.00 · Same priceFs30 Hz −9%
Qts0.28 +17%, worse
Vas220 L –
BL30.5 T·m −3%
Xmax14 mm +27%, better
Sensitivity95.1 dB −2.4, worse
RCFLF18N451
£375.00 · 4% moreFs31 Hz −6%
Qts0.24 –
Vas245 L +9%
BL30.2 T·m −4%
Xmax9 mm −18%, worse
Sensitivity96.7 dB −0.8
Oberton18XB1500V2
£388.58 · 8% more, worseFs36 Hz +8%
Qts0.23 −6%
Vas192.5 L −14%, better
BL31.6 T·m –
Xmax11 mm –
Sensitivity97.9 dB –
Oberton18XB1600V2
£388.58 · 8% more, worseFs33 Hz –
Qts0.28 +16%, worse
Vas267 L +19%, worse
BL29.6 T·m −6%
Xmax12.5 mm +14%, better
Sensitivity97.1 dB –
Precision DevicesPD.1850/3
£399.00 · 11% more, worseFs33 Hz –
Qts0.24 –
Vas203.8 L −9%
BL31.0 T·m –
Xmax11.1 mm –
Sensitivity96.9 dB −0.6
RCFLN19S400
£416.98 · 16% more, worseFs32 Hz −3%
Qts0.26 +8%
Vas204 L −9%
BL32 T·m –
Xmax17 mm +55%, better
Sensitivity96 dB −1.5
FaitalPRO18XL2000
£420.00 · 17% more, worseFs28 Hz −15%, better
Qts0.27 +13%, worse
Vas232.1 L +4%
BL30.8 T·m –
Xmax16.3 mm +48%, better
Sensitivity94.6 dB −2.9, worse
FaitalPRO18XL1700
£469.00 · 31% more, worseFs28 Hz −15%, better
Qts0.28 +17%, worse
Vas227 L –
BL30.5 T·m −3%
Xmax16.2 mm +47%, better
Sensitivity94.4 dB −3.1, worse
REDCATT181XR
£544.21 · 52% more, worseFs30 Hz −9%
Qts0.23 −4%
Vas195 L −13%, better
BL28.3 T·m −10%, worse
Xmax17 mm +55%, better
Sensitivity95.4 dB −2.1, worse
Radian Audio2218NEO-8
No current priceFs30 Hz −9%
Qts0.23 −4%
Vas312 L +39%, worse
BL33 T·m +5%
Xmax9 mm −18%, worse
Sensitivity97.3 dB –
Eighteen Sound18W2000
No current priceFs37 Hz +12%, worse
Qts0.25 +4%
Vas230 L –
BL27.1 T·m −14%, worse
Xmax–
Sensitivity98.5 dB +1
Eighteen Sound18W2001
No current priceFs37 Hz +12%, worse
Qts0.25 +4%
Vas230 L –
BL27.1 T·m −14%, worse
Xmax7 mm −36%, worse
Sensitivity98.5 dB +1
CIAREPW455
No current priceFs36 Hz +9%
Qts0.24 –
Vas274 L +22%, worse
BL26.2 T·m −17%, worse
Xmax7.5 mm −32%, worse
Sensitivity99.3 dB +1.8
Oberton18NXB1200
No current priceFs36 Hz +9%
Qts0.28 +17%, worse
Vas159.6 L −29%, better
BL29.4 T·m −7%
Xmax11.5 mm +5%
Sensitivity96 dB −1.5
Oberton18NSW700
No current priceFs30 Hz −8%
Qts0.24 –
Vas309.0 L +38%, worse
BL26.6 T·m −15%, worse
Xmax14 mm +27%, better
Sensitivity97.5 dB –
No photo
FaneIMPERIUM 18NDXL
No current priceFs33 Hz –
Qts0.29 +23%, worse
Vas203 L −9%
BL29.4 T·m −7%
Xmax12 mm +9%
Sensitivity95.9 dB −1.6
Precision DevicesPD.185NR1
No current priceFs34 Hz +3%
Qts0.27 +13%, worse
Vas102 L −54%, better
BL29.5 T·m −6%
Xmax11.8 mm +7%
Sensitivity93.4 dB −4.1, worse
Oberton18FBR700
No current priceFs36 Hz +8%
Qts0.27 +13%, worse
Vas231.3 L +3%
BL25.2 T·m −20%, worse
Xmax8 mm −27%, worse
Sensitivity97.8 dB –
P.Audio19NT-125XB
No current priceFs33 Hz –
Qts0.45 +88%, worse
Vas217.5 L –
BL29.9 T·m −5%
Xmax9.5 mm −14%, worse
Sensitivity94.2 dB −3.3, worse
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 58 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 |
|---|---|---|---|---|
Thomann | £359.00, the lowest price | In stock | Visit shop at Thomann |
Best price over time
Tracked since 3 Sep
Recent changes
- 14 OctThomann£366.00 → £359.00Down 1.9% from £366.00
- 6 OctThomann£369.00 → £366.00Down 0.8% from £369.00
- 20 SepThomann£371.00 → £369.00Down 0.5% from £371.00