Dayton AudioCE70PR-4
£9.96Fs109 Hz −11%, better
Qts0.63 –
Vas0.5 L −56%, better
BL3.1 T·m +9%
Xmax4 mm +167%, better
Sensitivity81.5 dB −4.9, worse
3.5-inch LF driver · CM series · 20 mm voice coil · 30 W
CIARE CM087 4Ω
4 Ω · 150–10000 Hz
No price for delivery to the UK
- Fs
- 122Hz
- Xmax
- 1.5mm
- SPL
- 86dB
- Pe
- 30W
- BL
- 2.9T·m
- Vd
- 5cm³
- Qts
- 0.64
- Vas
- 1L
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 confidence1,552 selected pixels of 1,717
CIARE CM087 is a 3.5-inch 4 ohm LF driver rated at 30 W RMS. The validated T/S data includes Fs 122 Hz, Qts 0.64, Vas 1.2 L, Xmax 1.5 mm, sensitivity 86.4 dB, plus 5 cm³ Vd and 153 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
- 122Hz
- Qts
- 0.64
- Qes
- 0.80
- Qms
- 3.2
- Vas
- 1.2L
- Re
- 3.5Ω
- Le
- 0.14mH
Motor and cone
- BL
- 2.9T·m
- Sd
- 35cm²
- Mms
- 3g
- Xmax
- 1.5mm
- Vd †
- 5cm³
- Voice coil
- 20mm
Power and response
- Sensitivity †
- 86.4dB
- Manufacturer sensitivity
- 89dB
- Power
- 30W
- Nominal power
- 30W
- Impedance
- 4Ω
- Range
- 150–10000Hz
- EBP †
- 153 · Leans vented
Size and mounting
- Diameter
- 87mm
- Cutout
- 77mm
- Depth
- 41mm
- Weight
- 0.33kg
Other published values
- Cms
- 0.70mm/N
- Power Program
- 90
Sensitivity shows 86.4 dB, calculated from the T/S values. CIARE publishes 89.0 dB, 2.6 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else CIARE lists
LF · Primary · 3.5″
- BL
- 2.9T·m
- Fs
- 122Hz
- Le
- 0.14mH
- Re
- 3.5Ω
- Sd
- 35cm²
- Cms
- 0.70mm/N
- Mms
- 3g
- Qes
- 0.80
- Qms
- 3.2
- Qts
- 0.64
- SPL
- 86.4dB
- Vas
- 1.2L
- Xmax
- 1.5mm
- Power
- 30W
- Impedance
- 4Ω
- Sensitivity
- 89dB
- Low limit
- 150Hz
- Nominal power
- 30W
- Power Program
- 90
- Calculated sensitivity †
- 86.4dB
- High limit
- 10000Hz
- Manufacturer sensitivity
- 89dB
- Voice coil
- 20mm
- Weight
- 0.33kg
- Diameter
- 87mm
- Depth
- 41mm
- Cutout
- 77mm
02
Compare
Same-size drivers, compared with the CM087. Clear differences are green when better and red when worse.
This driverCM087
Best price
–
Fs
122 Hz
Qts
0.64
Vas
1.2 L
BL
2.9 T·m
Xmax
1.5 mm
Sensitivity
86.4 dB
Power
30 W
Dayton AudioPC68-8
£11.26Fs109 Hz −11%, better
Qts0.64 –
Vas1.3 L +8%
BL3.3 T·m +15%, better
Xmax2 mm +33%, better
Sensitivity84.8 dB −1.6
Dayton AudioPC68-4
£11.26Fs117 Hz −4%
Qts0.65 –
Vas0.7 L −42%, better
BL2.4 T·m −16%, worse
Xmax2 mm +33%, better
Sensitivity83.1 dB −3.3, worse
GRS4PF-8
£11.68Fs137 Hz +12%, worse
Qts1.94 +203%, worse
Vas1.2 L –
BL3.1 T·m +8%
Xmax1.5 mm –
Sensitivity83 dB −3.4, worse
FaitalPRO3FE25
£12.00Fs110 Hz −10%
Qts0.52 −19%, better
Vas1.3 L +8%
BL3 T·m +5%
Xmax1.7 mm +15%, better
Sensitivity86.6 dB –
Dayton AudioPC83-8
£13.10Fs82 Hz −33%, better
Qts0.63 –
Vas1.7 L +42%, worse
BL3.5 T·m +22%, better
Xmax2 mm +33%, better
Sensitivity83 dB −3.4, worse
MonacorSPM-116/8
£13.40Fs75 Hz −39%, better
Qts0.57 −11%, better
Vas4.5 L +275%, worse
BL4.2 T·m +47%, better
Xmax1.5 mm –
Sensitivity85.7 dB −0.7
VisatonFRS 7 W
£14.64Fs160 Hz +31%, worse
Qts0.63 –
Vas0.8 L −35%, better
BL2.5 T·m −13%, worse
Xmax1 mm −33%, worse
Sensitivity87.5 dB +1.1
VisatonSL 87 FE
£15.07Fs120 Hz –
Qts0.65 –
Vas1.5 L +28%, worse
BL4.0 T·m +38%, better
Xmax1.8 mm +17%, better
Sensitivity87.1 dB +0.7
Sica4 D 0.8 CS
£15.91Fs140 Hz +15%, worse
Qts0.92 +44%, worse
Vas1.2 L –
BL2.6 T·m −7%
Xmax1.3 mm −13%, worse
Sensitivity86.5 dB –
FaitalPRO4FE35
£16.09Fs100 Hz −18%, better
Qts0.73 +14%, worse
Vas2.4 L +100%, worse
BL3 T·m +5%
Xmax1.7 mm +15%, better
Sensitivity86.3 dB –
Sica3.5 F 1 CS
£16.66Fs107 Hz −12%, better
Qts0.57 −11%, better
Vas1.4 L +17%, worse
BL4.2 T·m +47%, better
Xmax1.5 mm –
Sensitivity86.4 dB –
MonacorSPX-31M
£19.26Fs110 Hz −10%
Qts0.58 −9%
Vas1.3 L +8%
BL3.6 T·m +27%, better
Xmax1.1 mm −27%, worse
Sensitivity86 dB –
MonacorSPX-30M
£20.10Fs100 Hz −18%, better
Qts0.71 +11%, worse
Vas1.8 L +50%, worse
BL3.0 T·m +7%
Xmax1.1 mm −27%, worse
Sensitivity85.1 dB −1.3
Sica3.5 L 1 SL
£23.36Fs108 Hz −11%, better
Qts0.57 −11%, better
Vas1.4 L +17%, worse
BL4.3 T·m +49%, better
Xmax1.5 mm –
Sensitivity86.6 dB –
LavoceFSN030.71
£24.69Fs134 Hz +10%
Qts0.67 +5%
Vas1.0 L −13%, better
BL3.8 T·m +34%, better
Xmax2.1 mm +40%, better
Sensitivity87.3 dB +0.9
Dayton AudioND90-4
£25.04Fs90 Hz −26%, better
Qts0.63 –
Vas1.1 L −12%, better
BL3.5 T·m +21%, better
Xmax4 mm +167%, better
Sensitivity82.4 dB −4, worse
Dayton AudioND65-4
£25.04Fs90 Hz −27%, better
Qts0.61 −5%
Vas0.53 L −56%, better
BL2.7 T·m −6%
Xmax3.5 mm +133%, better
Sensitivity79.5 dB −6.9, worse
Sica4 L 1 SL
£25.87Fs108 Hz −11%, better
Qts0.63 –
Vas1.2 L –
BL5.1 T·m +78%, better
Xmax2.4 mm +60%, better
Sensitivity84.9 dB −1.5
Sica3 L 0.8 SL
£26.75Fs145 Hz +19%, worse
Qts1.01 +58%, worse
Vas0.8 L −33%, better
BL2.8 T·m –
Xmax1.5 mm –
Sensitivity84.8 dB −1.6
PRV Audio3MR40-NDY-4
£36.80Fs153 Hz +26%, worse
Qts0.77 +20%, worse
Vas0.6 L −48%, better
BL2.9 T·m –
Xmax1.4 mm −7%
Sensitivity85.6 dB −0.8
WavecorWF095WA01
£41.14Fs89 Hz −27%, better
Qts0.64 –
Vas1.5 L +25%, worse
BL3 T·m +5%
Xmax2.7 mm +80%, better
Sensitivity83.8 dB −2.6, worse
WavecorWF090WA01
£41.14Fs115 Hz −6%
Qts0.81 +27%, worse
Vas1.0 L −15%, better
BL2.9 T·m –
Xmax2.8 mm +83%, better
Sensitivity84.3 dB −2.1, worse
Tang BandW3-1364SA
£50.24Fs105 Hz −14%, better
Qts0.59 −8%
Vas1.9 L +57%, worse
BL3.1 T·m +10%, better
Xmax0.5 mm −67%, worse
Sensitivity86.5 dB –
£73.62
Fs100 Hz −18%, better
Qts0.67 +5%
Vas1.1 L −8%
BL2.9 T·m –
Xmax2 mm +33%, better
Sensitivity81.8 dB −4.6, worse
Dayton AudioCFC100-4
No current priceFs94 Hz −23%, better
Qts0.60 −6%
Vas0.8 L −31%, better
BL3.1 T·m +10%, better
Xmax2.5 mm +67%, better
Sensitivity81.7 dB −4.7, worse
REDCATT35FR-2
No current priceFs128 Hz +5%
Qts0.63 –
Vas1.1 L −5%
BL4.8 T·m +68%, better
Xmax2.4 mm +57%, better
Sensitivity87.5 dB +1.1
Tang BandW3-532SQF
No current priceFs100 Hz −18%, better
Qts0.72 +12%, worse
Vas1.5 L +28%, worse
BL3.2 T·m +13%, better
Xmax0.5 mm −67%, worse
Sensitivity84.5 dB −1.9
PeerlessTC10FG00-04
No current priceFs160 Hz +31%, worse
Qts0.65 –
Vas1.7 L +42%, worse
BL3.4 T·m +18%, better
Xmax2.7 mm +81%, better
Sensitivity90.9 dB +4.5, better
PeerlessPLS-75F25AL02-08
No current priceFs100 Hz −18%, better
Qts0.74 +16%, worse
Vas1.1 L −10%
BL3.6 T·m +25%, better
Xmax3.4 mm +125%, better
Sensitivity83.1 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
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Audio | £14.28 | Back order | Visit shop at Lean Audio |