Beyma18LEX1200ND
£279.79 · 30% less, betterFs36 Hz −14%, better
Qts0.33 –
Vas219 L +82%, worse
BL26.4 T·m −13%, worse
Xmax11 mm −8%
Sensitivity96.7 dB +0.5
18-inch LF driver · PD series · 127 mm voice coil · 1,000 W
Precision Devices PD.1852/2 8Ω
8 Ω · 35–2000 Hz
£397.00
0.5%Thomann · In stock · All 1 offer
- Fs
- 42Hz
- Xmax
- 12mm
- SPL
- 96dB
- Pe
- 1000W
- BL
- 30.5T·m
- Vd
- 1397cm³
- Qts
- 0.33
- Vas
- 120L
Precision Devices PD.1852/2 is an 18-inch 8 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 42 Hz, Qts 0.33, Vas 120.4 L, Xmax 12 mm, sensitivity 96.2 dB, plus 1397 cm³ Vd and 123 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 £397.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 42Hz
- Qts
- 0.33
- Qes
- 0.34
- Qms
- 11.1
- Vas
- 120.4L
- Re
- 5.2Ω
- Le
- 0.90mH
Motor and cone
- BL
- 30.5T·m
- Sd
- 1164cm²
- Mms
- 231g
- Xmax
- 12mm
- Vd †
- 1397cm³
- Voice coil
- 127mm
- Flux density
- 1.18T
Power and response
- Sensitivity †
- 96.2dB
- Manufacturer sensitivity
- 98dB
- Power
- 1000W
- Impedance
- 8Ω
- Range
- 35–2000Hz
- EBP †
- 123 · Leans vented
Size and mounting
- Diameter
- 474mm
- Cutout
- 414.5mm
- Bolt circle
- 455mm
- Depth
- 190mm
- Weight
- 25kg
Other published values
- Cms
- 0.06mm/N
- Power Peak
- 4000
Sensitivity shows 96.2 dB, calculated from the T/S values. Precision Devices publishes 98.0 dB, 1.8 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Precision Devices lists
LF · Primary · 18″
- BL
- 30.5T·m
- Fs
- 42Hz
- Le
- 0.90mH
- Re
- 5.2Ω
- Sd
- 1164cm²
- Cms
- 0.06mm/N
- Mms
- 231g
- Qes
- 0.34
- Qms
- 11.1
- Qts
- 0.33
- SPL
- 96.2dB
- Vas
- 120.4L
- Xmax
- 12mm
- Power
- 1000W
- Impedance
- 8Ω
- Power Peak
- 4000
- Flux density
- 1.18T
- Sensitivity
- 98dB
- Low limit
- 35Hz
- Calculated sensitivity †
- 96.2dB
- High limit
- 2000Hz
- Manufacturer sensitivity
- 98dB
- Voice coil
- 127mm
- Weight
- 25kg
- Diameter
- 474mm
- Depth
- 190mm
- Cutout
- 414.5mm
- Bolt circle
- 455mm
02
Compare
Same-size drivers, compared with the PD.1852/2. Clear differences are green when better and red when worse.
This driverPD.1852/2
Best price
£397.00
Fs
42 Hz
Qts
0.33
Vas
120.4 L
BL
30.5 T·m
Xmax
12 mm
Sensitivity
96.2 dB
Power
1000 W
Oberton18XB1301DS
£284.15 · 28% less, betterFs36 Hz −15%, better
Qts0.30 −8%
Vas172.9 L +44%, worse
BL26.9 T·m −12%, worse
Xmax12 mm –
Sensitivity96 dB –
RCFLF18X401
£289.00 · 27% less, betterFs30 Hz −28%, better
Qts0.30 −9%
Vas274 L +128%, worse
BL26.5 T·m −13%, worse
Xmax12 mm –
Sensitivity95.8 dB –
CIARENDH18-4S
£291.62 · 27% less, betterFs31 Hz −26%, better
Qts0.32 −3%
Vas239 L +99%, worse
BL27.7 T·m −9%
Xmax11.5 mm −4%
Sensitivity95.4 dB −0.8
RCFLF18N405
£325.54 · 18% less, betterFs30 Hz −28%, better
Qts0.32 −3%
Vas227 L +89%, worse
BL26.5 T·m −13%, worse
Xmax14 mm +17%, better
Sensitivity94.6 dB −1.6
SB AudienceNERO-18SW1100D
£334.88 · 16% less, betterFs36 Hz −14%, better
Qts0.33 –
Vas153.1 L +27%, worse
BL30.9 T·m –
Xmax12.2 mm –
Sensitivity95.3 dB −0.9
BMS18S450
£345.00 · 13% less, betterFs29 Hz −31%, better
Qts0.31 −6%
Vas281 L +133%, worse
BL26.5 T·m −13%, worse
Xmax12 mm –
Sensitivity95.3 dB −0.9
B&C18DS100
£355.00 · 11% less, betterFs34 Hz −19%, better
Qts0.29 −12%, better
Vas155 L +29%, worse
BL30 T·m –
Xmax14.5 mm +21%, better
Sensitivity95.1 dB −1.1
Eighteen Sound18NLW4100
£371.77 · 6% less, betterFs31 Hz −26%, better
Qts0.34 +3%
Vas180 L +50%, worse
BL29 T·m −5%
Xmax15 mm +25%, better
Sensitivity93.9 dB −2.3, worse
CelestionTSQ1845
£380.98 · 4% lessFs35 Hz −16%, better
Qts0.29 −12%, better
Vas119.3 L –
BL33.8 T·m +11%, better
Xmax15 mm +25%, better
Sensitivity94.3 dB −1.9
CelestionCF18VJD
£399.00 · Same priceFs35 Hz −18%, better
Qts0.31 −6%
Vas145.8 L +21%, worse
BL32.6 T·m +7%
Xmax12 mm –
Sensitivity94.6 dB −1.6
B&C18SW115
£430.38 · 8% more, worseFs32 Hz −24%, better
Qts0.30 −9%
Vas187 L +55%, worse
BL30.3 T·m –
Xmax14 mm +17%, better
Sensitivity94.9 dB −1.3
Dayton AudioRSS460HO-4
£442.94 · 12% more, worseFs19 Hz −55%, better
Qts0.32 −3%
Vas272 L +126%, worse
BL23.4 T·m −23%, worse
Xmax12.8 mm +6%
Sensitivity89.2 dB −7, worse
BMS18N850V2
£457.13 · 15% more, worseFs30 Hz −29%, better
Qts0.33 –
Vas243 L +102%, worse
BL25.4 T·m −17%, worse
Xmax12 mm –
Sensitivity94.7 dB −1.5
Eighteen Sound18NLW4500
£468.89 · 18% more, worseFs35 Hz −16%, better
Qts0.33 –
Vas151 L +25%, worse
BL30.3 T·m –
Xmax15.3 mm +28%, better
Sensitivity94.8 dB −1.4
Eighteen Sound18NLW9601
£543.41 · 37% more, worseFs39 Hz −7%
Qts0.28 −15%, better
Vas120 L –
BL31 T·m –
Xmax14 mm +17%, better
Sensitivity95.8 dB –
Eighteen Sound18NTLW5000
£550.00 · 39% more, worseFs32 Hz −24%, better
Qts0.32 −3%
Vas176 L +46%, worse
BL31.3 T·m –
Xmax17.5 mm +46%, better
Sensitivity94.5 dB −1.7
Eighteen Sound18NTLS5000
£665.00 · 68% more, worseFs37 Hz −12%, better
Qts0.33 –
Vas75 L −38%, better
BL30.7 T·m –
Xmax17.8 mm +48%, better
Sensitivity92.4 dB −3.8, worse
B&C18HTX100
£809.86 · 104% more, worseFs44 Hz +5%
Qts0.32 −3%
Vas173 L +44%, worse
BL26.3 T·m −14%, worse
Xmax13 mm +8%
Sensitivity98.4 dB +2.2, better
Eighteen Sound18LW2500
No current priceFs34 Hz −19%, better
Qts0.33 –
Vas135 L +12%, worse
BL30 T·m –
Xmax15 mm +25%, better
Sensitivity94 dB −2.2, worse
Eighteen Sound18NLW4000
No current priceFs34 Hz −19%, better
Qts0.33 –
Vas135 L +12%, worse
BL30 T·m –
Xmax15 mm +25%, better
Sensitivity94 dB −2.2, worse
Eighteen Sound18NLW9601C
No current priceFs38 Hz −9%
Qts0.34 +3%
Vas99 L −18%, better
BL31.7 T·m +4%
Xmax14 mm +17%, better
Sensitivity93.8 dB −2.4, worse
Oberton18NXB1601
No current priceFs35 Hz −17%, better
Qts0.29 −13%, better
Vas146.2 L +21%, worse
BL30.5 T·m –
Xmax12.5 mm +4%
Sensitivity95.1 dB −1.1
Precision DevicesPD.185NR1
No current priceFs34 Hz −19%, better
Qts0.27 −18%, better
Vas102 L −15%, better
BL29.5 T·m −3%
Xmax11.8 mm –
Sensitivity93.4 dB −2.8, worse
Oberton18XB1201
No current priceFs38 Hz −9%
Qts0.32 −4%
Vas159.4 L +32%, worse
BL26.7 T·m −12%, worse
Xmax10.5 mm −13%, worse
Sensitivity96.3 dB –
Oberton18NXB1600
No current priceFs32 Hz −23%, better
Qts0.30 −8%
Vas173.1 L +44%, worse
BL29.6 T·m –
Xmax13.5 mm +13%, better
Sensitivity94.5 dB −1.7
Oberton18NXB1200
No current priceFs36 Hz −14%, better
Qts0.28 −15%, better
Vas159.6 L +33%, worse
BL29.4 T·m −4%
Xmax11.5 mm −4%
Sensitivity96 dB –
No photo
FaneIMPERIUM 18NDXL
No current priceFs33 Hz −21%, better
Qts0.29 −11%, better
Vas203 L +69%, worse
BL29.4 T·m −4%
Xmax12 mm –
Sensitivity95.9 dB –
Oberton18NXB700
No current priceFs36 Hz −13%, better
Qts0.31 −5%
Vas155.5 L +29%, worse
BL27.8 T·m −9%
Xmax9 mm −25%, worse
Sensitivity95.6 dB −0.6
No photo
RCFLF18Y402
No current priceFs30 Hz −28%, better
Qts0.30 −9%
Vas274 L +128%, worse
BL26.5 T·m −13%, worse
Xmax12 mm –
Sensitivity95.8 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.0 out of 54 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 | £397.00, the lowest price | In stock | Visit shop at Thomann |
Best price over time
Tracked since 3 Sep
Recent changes
- 22 OctThomann£399.00 → £397.00Down 0.5% from £399.00
- 6 OctThomann£406.00 → £399.00Down 1.7% from £406.00
- 28 SepThomann£399.00 → £406.00Up 1.8% from £399.00