B&C18PS76
£163.07Fs39 Hz +11%, worse
Qts0.27 +13%, worse
Vas207 L −12%, better
BL25.8 T·m +18%, better
Xmax7 mm −18%, worse
Sensitivity98.3 dB –
18-inch LF driver · PW series · 100 mm voice coil · 900 W
CIARE PW455 4Ω
35–1200 Hz
No price for delivery to the UK
- Fs
- 35Hz
- Xmax
- 8.5mm
- SPL
- 98dB
- Pe
- 900W
- BL
- 21.8T·m
- Vd
- 984cm³
- Qts
- 0.24
- Vas
- 236L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 1 trace
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
frequency response
Frequency response
240 plotted pointsMedium confidence1,465 selected pixels of 1,977
CIARE PW455 is an 18-inch 4 ohm LF driver rated at 900 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.24, Vas 236 L, Xmax 8.5 mm, sensitivity 98.3 dB, plus 984 cm³ Vd and 146 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
- 35Hz
- Qts
- 0.24
- Qes
- 0.24
- Qms
- 19.9
- Vas
- 236L
- Re
- 3.2Ω
- Le
- 1.03mH
Motor and cone
- BL
- 21.8T·m
- Sd
- 1158cm²
- Mms
- 164g
- Xmax
- 8.5mm
- Vd †
- 984cm³
- Voice coil
- 100mm
Power and response
- Sensitivity †
- 98.3dB
- Manufacturer sensitivity
- 100dB
- Power
- 900W
- Nominal power
- 900W
- Impedance
- 4Ω
- Range
- 35–1200Hz
- EBP †
- 146 · Leans vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 416mm
- Bolt circle
- 440mm
- Depth
- 190mm
- Weight
- 12.9kg
Other published values
- Cms
- 0.13mm/N
- Power Program
- 1800
Sensitivity shows 98.3 dB, calculated from the T/S values. CIARE publishes 100.0 dB, 1.7 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else CIARE lists
LF · Primary · 18″
- BL
- 21.8T·m
- Fs
- 35Hz
- Le
- 1.03mH
- Re
- 3.2Ω
- Sd
- 1158cm²
- Cms
- 0.13mm/N
- Mms
- 164g
- Qes
- 0.24
- Qms
- 19.9
- Qts
- 0.24
- SPL
- 98.3dB
- Vas
- 236L
- Xmax
- 8.5mm
- Power
- 900W
- Impedance
- 4Ω
- Sensitivity
- 100dB
- Low limit
- 35Hz
- Nominal power
- 900W
- Power Program
- 1800
- Calculated sensitivity †
- 98.3dB
- High limit
- 1200Hz
- Manufacturer sensitivity
- 100dB
- Voice coil
- 100mm
- Weight
- 12.9kg
- Diameter
- 460mm
- Depth
- 190mm
- Cutout
- 416mm
- Bolt circle
- 440mm
02
Compare
Same-size drivers, compared with the PW455. Clear differences are green when better and red when worse.
This driverPW455
Best price
–
Fs
35 Hz
Qts
0.24
Vas
236 L
BL
21.8 T·m
Xmax
8.5 mm
Sensitivity
98.3 dB
Power
900 W
REDCATT182FIND
£199.28Fs31 Hz −11%, better
Qts0.23 −4%
Vas208.6 L −12%, better
BL35.4 T·m +62%, better
Xmax5.8 mm −32%, worse
Sensitivity96.2 dB −2.1, worse
FaitalPRO18FH510
£216.88Fs30 Hz −14%, better
Qts0.26 +8%
Vas391.4 L +66%, worse
BL18.3 T·m −16%, worse
Xmax9.4 mm +11%, better
Sensitivity98 dB –
Beyma18LX60V2S
£218.33Fs35 Hz –
Qts0.48 +100%, worse
Vas236 L –
BL21.8 T·m –
Xmax8 mm −6%
Sensitivity95.1 dB −3.2, worse
B&C18NW100
£234.88Fs30 Hz −14%, better
Qts0.27 +13%, worse
Vas203.5 L −14%, better
BL24.7 T·m +13%, better
Xmax9 mm +6%
Sensitivity95 dB −3.3, worse
B&C18TBX100
£235.28Fs30 Hz −14%, better
Qts0.31 +29%, worse
Vas256 L +8%
BL22 T·m –
Xmax9 mm +6%
Sensitivity95.2 dB −3.1, worse
B&C18PZB100
£238.00Fs38 Hz +9%
Qts0.28 +17%, worse
Vas164 L −31%, better
BL25 T·m +15%, better
Xmax8 mm −6%
Sensitivity96.9 dB −1.4
RCFLF18G401
£252.42Fs33 Hz −6%
Qts0.29 +21%, worse
Vas268 L +14%, worse
BL24.6 T·m +13%, better
Xmax9 mm +6%
Sensitivity97.1 dB −1.2
Eighteen Sound18W1001
£254.65Fs35 Hz –
Qts0.23 −4%
Vas268 L +14%, worse
BL27.6 T·m +27%, better
Xmax7 mm −18%, worse
Sensitivity98.8 dB +0.5
Eighteen Sound18LW1400
£266.74Fs33 Hz −6%
Qts0.32 +33%, worse
Vas210 L −11%, better
BL22.1 T·m –
Xmax9 mm +6%
Sensitivity95.5 dB −2.8, worse
CIARENDH18-4S
£291.62Fs31 Hz −11%, better
Qts0.25 +4%
Vas240 L –
BL22.2 T·m –
Xmax11.5 mm +35%, better
Sensitivity96.6 dB −1.7
Beyma18QLEX1600FE
£299.00Fs30 Hz −14%, better
Qts0.23 −4%
Vas195 L −17%, better
BL36.4 T·m +67%, better
Xmax13 mm +53%, better
Sensitivity95.4 dB −2.9, worse
Eighteen Sound18NLW9400
£305.62Fs32 Hz −9%
Qts0.22 −8%
Vas278 L +18%, worse
BL20.5 T·m −6%
Xmax9.5 mm +12%, better
Sensitivity98 dB –
BMS18N830V2
£347.59Fs31 Hz −11%, better
Qts0.37 +54%, worse
Vas262 L +11%, worse
BL22.4 T·m –
Xmax8 mm −6%
Sensitivity95 dB −3.3, worse
Precision DevicesPD.185C003
£359.00Fs33 Hz −6%
Qts0.24 –
Vas224 L −5%
BL31.5 T·m +44%, better
Xmax11 mm +29%, better
Sensitivity97.5 dB −0.8
RCFLF18N401
£359.21Fs32 Hz −9%
Qts0.26 +8%
Vas257 L +9%
BL27.8 T·m +28%, better
Xmax9 mm +6%
Sensitivity97 dB −1.3
Eighteen Sound18NLW4100
£371.77Fs29 Hz −17%, better
Qts0.27 +13%, worse
Vas207 L −12%, better
BL22.8 T·m +5%
Xmax15 mm +76%, better
Sensitivity94.6 dB −3.7, worse
RCFLF18N451
£375.00Fs31 Hz −11%, better
Qts0.24 –
Vas245 L +4%
BL30.2 T·m +39%, better
Xmax9 mm +6%
Sensitivity96.7 dB −1.6
Precision DevicesPD.1850/3
£399.00Fs33 Hz −5%
Qts0.24 –
Vas203.8 L −14%, better
BL31.0 T·m +42%, better
Xmax11.1 mm +30%, better
Sensitivity96.9 dB −1.4
B&C18DS100
£456.91Fs32 Hz −9%
Qts0.24 –
Vas157 L −33%, better
BL24.3 T·m +11%, better
Xmax14 mm +65%, better
Sensitivity95.3 dB −3, worse
REDCATT181XR
£544.21Fs30 Hz −14%, better
Qts0.23 −4%
Vas195 L −17%, better
BL28.3 T·m +30%, better
Xmax17 mm +100%, better
Sensitivity95.4 dB −2.9, worse
Oberton18B500
No current priceFs35 Hz –
Qts0.28 +15%, worse
Vas243.9 L +3%
BL24.1 T·m +10%, better
Xmax8.8 mm –
Sensitivity97.7 dB −0.6
Oberton18FBR700
No current priceFs36 Hz –
Qts0.27 +13%, worse
Vas231.3 L –
BL25.2 T·m +15%, better
Xmax8 mm −6%
Sensitivity97.8 dB −0.5
Eighteen Sound18LW1251
No current priceFs35 Hz –
Qts0.27 +13%, worse
Vas268 L +14%, worse
BL23.6 T·m +8%
Xmax9 mm +6%
Sensitivity98.2 dB –
Eighteen Sound18W2001
No current priceFs37 Hz +6%
Qts0.25 +4%
Vas230 L –
BL27.1 T·m +24%, better
Xmax7 mm −18%, worse
Sensitivity98.5 dB –
Radian Audio2218NEO-8
No current priceFs30 Hz −14%, better
Qts0.23 −4%
Vas312 L +32%, worse
BL33 T·m +51%, better
Xmax9 mm +6%
Sensitivity97.3 dB −1
Eighteen Sound18W2000
No current priceFs37 Hz +6%
Qts0.25 +4%
Vas230 L –
BL27.1 T·m +24%, better
Xmax–
Sensitivity98.5 dB –
Eighteen Sound18NLW9000
No current priceFs32 Hz −9%
Qts0.21 −13%, better
Vas247 L +5%
BL25 T·m +15%, better
Xmax14 mm +65%, better
Sensitivity97.7 dB −0.6
RCFLF18G908
No current priceFs33 Hz −6%
Qts0.29 +21%, worse
Vas268 L +14%, worse
BL24.6 T·m +13%, better
Xmax9 mm +6%
Sensitivity97.1 dB −1.2
Oberton18NSW700
No current priceFs30 Hz −13%, better
Qts0.24 –
Vas309.0 L +31%, worse
BL26.6 T·m +22%, better
Xmax14 mm +65%, better
Sensitivity97.5 dB −0.8
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Audio | £220.20 | Back order | Visit shop at Lean Audio |