B&C18PS76
£163.07Fs39 Hz +15%, worse
Qts0.27 –
Vas207 L +103%, worse
BL25.8 T·m −13%, worse
Xmax7 mm −40%, worse
Sensitivity98.3 dB +4.9, better
18-inch LF driver · PD series · 127 mm voice coil · 1,400 W
Precision Devices PD.185NR1 8Ω
8 Ω · 30–800 Hz
No current price
- Fs
- 34Hz
- Xmax
- 11.8mm
- SPL
- 93dB
- Pe
- 1400W
- BL
- 29.5T·m
- Vd
- 1368cm³
- Qts
- 0.27
- Vas
- 102L
Precision Devices PD.185NR1 is an 18-inch 8 ohm LF driver rated at 1400 W RMS. The validated T/S data includes Fs 34 Hz, Qts 0.27, Vas 102 L, Xmax 11.8 mm, sensitivity 93.4 dB, plus 1368 cm³ Vd and 117 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 34Hz
- Qts
- 0.27
- Qes
- 0.29
- Qms
- 6.2
- Vas
- 102L
- Re
- 5.4Ω
- Le
- 2.49mH
Motor and cone
- BL
- 29.5T·m
- Sd
- 1164cm²
- Mms
- 216g
- Xmax
- 11.8mm
- Vd †
- 1368cm³
- Voice coil
- 127mm
- Flux density
- 1.18T
Power and response
- Sensitivity †
- 93.4dB
- Manufacturer sensitivity
- 97.5dB
- Power
- 1400W
- Impedance
- 8Ω
- Range
- 30–800Hz
- EBP †
- 117 · Leans vented
Size and mounting
- Diameter
- 474mm
- Cutout
- 415mm
- Bolt circle
- 456mm
- Depth
- 210mm
- Weight
- 13.5kg
Other published values
- Cms
- 0.10mm/N
- Power Peak
- 5600
Sensitivity shows 93.4 dB, calculated from the T/S values. Precision Devices publishes 97.5 dB, 4.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Precision Devices lists
LF · Primary · 18″
- BL
- 29.5T·m
- Fs
- 34Hz
- Le
- 2.49mH
- Re
- 5.4Ω
- Sd
- 1164cm²
- Cms
- 0.10mm/N
- Mms
- 216g
- Qes
- 0.29
- Qms
- 6.2
- Qts
- 0.27
- SPL
- 93.4dB
- Vas
- 102L
- Xmax
- 11.8mm
- Power
- 1400W
- Impedance
- 8Ω
- Power Peak
- 5600
- Flux density
- 1.18T
- Sensitivity
- 97.5dB
- Low limit
- 30Hz
- Calculated sensitivity †
- 93.4dB
- High limit
- 800Hz
- Manufacturer sensitivity
- 97.5dB
- Voice coil
- 127mm
- Weight
- 13.5kg
- Diameter
- 474mm
- Depth
- 210mm
- Cutout
- 415mm
- Bolt circle
- 456mm
02
Compare
Same-size drivers, compared with the PD.185NR1. Clear differences are green when better and red when worse.
This driverPD.185NR1
Best price
–
Fs
34 Hz
Qts
0.27
Vas
102 L
BL
29.5 T·m
Xmax
11.8 mm
Sensitivity
93.4 dB
Power
1400 W
B&C18NW100
£234.88Fs31 Hz −9%
Qts0.26 −4%
Vas252 L +147%, worse
BL28 T·m −5%
Xmax9 mm −23%, worse
Sensitivity96.5 dB +3.1, better
Beyma18PW1400FE
£273.68Fs32 Hz −6%
Qts0.27 –
Vas228.9 L +124%, worse
BL29 T·m –
Xmax10 mm −15%, worse
Sensitivity96.3 dB +2.9, better
Oberton18XB1301DS
£284.15Fs36 Hz +5%
Qts0.30 +12%, worse
Vas172.9 L +70%, worse
BL26.9 T·m −9%
Xmax12 mm –
Sensitivity96 dB +2.6, better
RCFLF18X401
£289.00Fs30 Hz −12%, better
Qts0.30 +11%, worse
Vas274 L +169%, worse
BL26.5 T·m −10%, worse
Xmax12 mm –
Sensitivity95.8 dB +2.4, better
CIARENDH18-4S
£291.62Fs31 Hz −9%
Qts0.32 +19%, worse
Vas239 L +134%, worse
BL27.7 T·m −6%
Xmax11.5 mm –
Sensitivity95.4 dB +2, better
Eighteen Sound18NLW9400
£305.62Fs33 Hz –
Qts0.26 −4%
Vas268 L +163%, worse
BL26 T·m −12%, worse
Xmax9.5 mm −19%, worse
Sensitivity97.4 dB +4, better
BMS18S450
£345.00Fs29 Hz −15%, better
Qts0.31 +15%, worse
Vas281 L +175%, worse
BL26.5 T·m −10%, worse
Xmax12 mm –
Sensitivity95.3 dB +1.9
B&C18DS100
£355.00Fs34 Hz –
Qts0.29 +7%
Vas155 L +52%, worse
BL30 T·m –
Xmax14.5 mm +23%, better
Sensitivity95.1 dB +1.7
Precision DevicesPD.185C003
£359.00Fs33 Hz –
Qts0.24 −11%, better
Vas224 L +120%, worse
BL31.5 T·m +7%
Xmax11 mm −6%
Sensitivity97.5 dB +4.1, better
RCFLF18N401
£359.21Fs32 Hz −6%
Qts0.26 −4%
Vas257 L +152%, worse
BL27.8 T·m −6%
Xmax9 mm −23%, worse
Sensitivity97 dB +3.6, better
RCFLF18X451
£360.00Fs30 Hz −12%, better
Qts0.28 +4%
Vas220 L +116%, worse
BL30.5 T·m +3%
Xmax14 mm +19%, better
Sensitivity95.1 dB +1.7
CelestionTSQ1845
£380.98Fs35 Hz –
Qts0.29 +7%
Vas119.3 L +17%, worse
BL33.8 T·m +15%, better
Xmax15 mm +28%, better
Sensitivity94.3 dB +0.9
Oberton18XB1600V2
£388.58Fs33 Hz −4%
Qts0.28 –
Vas267 L +162%, worse
BL29.6 T·m –
Xmax12.5 mm +6%
Sensitivity97.1 dB +3.7, better
Precision DevicesPD.1852/2
£397.00Fs42 Hz +23%, worse
Qts0.33 +22%, worse
Vas120.4 L +18%, worse
BL30.5 T·m +3%
Xmax12 mm –
Sensitivity96.2 dB +2.8, better
CelestionCF18VJD
£399.00Fs35 Hz –
Qts0.31 +14%, worse
Vas145.8 L +43%, worse
BL32.6 T·m +10%, better
Xmax12 mm –
Sensitivity94.6 dB +1.2
Precision DevicesPD.1850/3
£399.00Fs33 Hz –
Qts0.24 −11%, better
Vas203.8 L +100%, worse
BL31.0 T·m +5%
Xmax11.1 mm −6%
Sensitivity96.9 dB +3.5, better
FaitalPRO18XL2000
£420.00Fs28 Hz −18%, better
Qts0.27 –
Vas232.1 L +128%, worse
BL30.8 T·m +4%
Xmax16.3 mm +39%, better
Sensitivity94.6 dB +1.2
B&C18SW115
£426.19Fs34 Hz –
Qts0.30 +11%, worse
Vas149.1 L +46%, worse
BL26 T·m −12%, worse
Xmax14 mm +19%, better
Sensitivity94.8 dB +1.4
FaitalPRO18XL1700
£469.00Fs28 Hz −18%, better
Qts0.28 +4%
Vas227 L +123%, worse
BL30.5 T·m +3%
Xmax16.2 mm +38%, better
Sensitivity94.4 dB +1
Eighteen Sound18NLW9601
£543.41Fs39 Hz +15%, worse
Qts0.28 +4%
Vas120 L +18%, worse
BL31 T·m +5%
Xmax14 mm +19%, better
Sensitivity95.8 dB +2.4, better
Precision DevicesPD.184NR1
No current priceFs38 Hz +12%, worse
Qts0.27 –
Vas102 L –
BL29.5 T·m –
Xmax8.5 mm −28%, worse
Sensitivity94.9 dB +1.5
Oberton18NXB1200
No current priceFs36 Hz +5%
Qts0.28 +4%
Vas159.6 L +56%, worse
BL29.4 T·m –
Xmax11.5 mm –
Sensitivity96 dB +2.6, better
Oberton18NXB1601
No current priceFs35 Hz –
Qts0.29 +6%
Vas146.2 L +43%, worse
BL30.5 T·m +3%
Xmax12.5 mm +6%
Sensitivity95.1 dB +1.7
No photo
FaneIMPERIUM 18NDXL
No current priceFs33 Hz –
Qts0.29 +9%
Vas203 L +99%, worse
BL29.4 T·m –
Xmax12 mm –
Sensitivity95.9 dB +2.5, better
No photo
RCFLF18Y402
No current priceFs30 Hz −12%, better
Qts0.30 +11%, worse
Vas274 L +169%, worse
BL26.5 T·m −10%, worse
Xmax12 mm –
Sensitivity95.8 dB +2.4, better
VAS Audio18-1700NC
No current priceFs32 Hz −6%
Qts0.28 +4%
Vas178 L +75%, worse
BL34.4 T·m +17%, better
Xmax13.5 mm +15%, better
Sensitivity95.1 dB +1.7
BishopSoundBWP18/8
No current priceFs35 Hz –
Qts0.31 +15%, worse
Vas378 L +271%, worse
BL26.2 T·m −11%, worse
Xmax12 mm –
Sensitivity100 dB +6.6, better
VAS Audio18-1700FC
No current priceFs33 Hz –
Qts0.29 +9%
Vas181 L +77%, worse
BL33 T·m +12%, better
Xmax13.5 mm +15%, better
Sensitivity95.4 dB +2, better
Oberton18NXB1600
No current priceFs32 Hz −5%
Qts0.30 +12%, worse
Vas173.1 L +70%, worse
BL29.6 T·m –
Xmax13.5 mm +15%, better
Sensitivity94.5 dB +1.1
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.