PeerlessTC9FD18-08
£9.63 · 40% less, betterFs130 Hz −7%
Qts0.97 +5%
Vas1.0 L −19%, better
BL3.1 T·m +18%, better
Xmax3.9 mm +198%, better
Sensitivity83.8 dB −2.7, worse
4-inch LF driver · 20 mm voice coil · 35 W
Sica 4 D 0.8 CS 4Ω
4 Ω
No price for delivery to the UK
- Fs
- 140Hz
- Xmax
- 1.3mm
- SPL
- 87dB
- Pe
- 35W
- BL
- 2.6T·m
- Vd
- 6cm³
- Qts
- 0.92
- Vas
- 1L
Sica 4 D 0.8 CS is a 4-inch 4 ohm LF driver rated at 35 W RMS. The validated T/S data includes Fs 140 Hz, Qts 0.92, Vas 1.2 L, Xmax 1.3 mm, sensitivity 86.5 dB, plus 6 cm³ Vd and 119 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 £16.05.
The published T/S values agree with each other
Thiele/Small
- Fs
- 140Hz
- Qts
- 0.92
- Qes
- 1.18
- Qms
- 4.2
- Vas
- 1.2L
- Re
- 3Ω
- Le
- 0.14mH
Motor and cone
- BL
- 2.6T·m
- Sd
- 44cm²
- Mms
- 3g
- Xmax
- 1.3mm
- Vd †
- 6cm³
- Voice coil
- 20mm
- Flux density
- 1.10T
Power and response
- Sensitivity †
- 86.5dB
- Manufacturer sensitivity
- 87.5dB
- Power
- 35W
- Impedance
- 4Ω
- EBP †
- 119 · Leans vented
Size and mounting
- Diameter
- 100mm
- Cutout
- 90mm
- Bolt circle
- 116mm
- Depth
- 50mm
- Weight
- 0.4kg
Other published values
- Cms
- 0.42mm/N
- Power Program
- 70
Sensitivity shows 86.5 dB, calculated from the T/S values. Sica publishes 87.5 dB, 1.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Sica lists
LF · Primary · 4″
- BL
- 2.6T·m
- Fs
- 140Hz
- Le
- 0.14mH
- Re
- 3Ω
- Sd
- 44cm²
- Cms
- 0.42mm/N
- Mms
- 3g
- Qes
- 1.18
- Qms
- 4.2
- Qts
- 0.92
- SPL
- 86.5dB
- Vas
- 1.2L
- Xmax
- 1.3mm
- Power
- 35W
- Impedance
- 4Ω
- Flux density
- 1.10T
- Sensitivity
- 87.5dB
- Power Program
- 70
- Calculated sensitivity †
- 86.5dB
- Manufacturer sensitivity
- 87.5dB
- Voice coil
- 20mm
- Weight
- 0.4kg
- Diameter
- 100mm
- Depth
- 50mm
- Cutout
- 90mm
- Bolt circle
- 116mm
02
Compare
Same-size drivers, compared with the 4 D 0.8 CS. Clear differences are green when better and red when worse.
This driver4 D 0.8 CS
Best price
£16.05
Fs
140 Hz
Qts
0.92
Vas
1.2 L
BL
2.6 T·m
Xmax
1.3 mm
Sensitivity
86.5 dB
Power
35 W
Dayton AudioCE78PF-4
£10.94 · 32% less, betterFs100 Hz −29%, better
Qts0.99 +8%
Vas1.1 L −5%
BL2.2 T·m −16%, worse
Xmax1.4 mm +8%
Sensitivity81.3 dB −5.2, worse
SB AcousticsSB10PGC21-4
£14.36 · 11% less, betterFs89 Hz −36%, better
Qts0.92 –
Vas1.2 L –
BL2.3 T·m −13%, worse
Xmax4.5 mm +246%, better
Sensitivity81.3 dB −5.2, worse
PeerlessPLS-P830987
£14.78 · 8% less, betterFs110 Hz −21%, better
Qts1 +9%
Vas1.0 L −18%, better
BL3.0 T·m +12%, better
Xmax3.4 mm +160%, better
Sensitivity82.4 dB −4.1, worse
VisatonFR 8 WP
£15.30 · 5% lessFs158 Hz +13%, worse
Qts0.88 −4%
Vas0.4 L −67%, better
BL2.8 T·m +6%
Xmax3 mm +131%, better
Sensitivity82.8 dB −3.7, worse
HiViB3S
£15.59 · 3% lessFs80 Hz −43%, better
Qts0.93 –
Vas1.6 L +33%, worse
BL2.9 T·m +9%
Xmax3 mm +131%, better
Sensitivity80.4 dB −6.1, worse
PeerlessTG9FD10-04
£19.39 · 21% more, worseFs130 Hz −7%
Qts0.87 −5%
Vas1.0 L −18%, better
BL2.6 T·m −3%
Xmax3.9 mm +202%, better
Sensitivity84.7 dB −1.8
VisatonSC 8 N
£21.83 · 36% more, worseFs110 Hz −21%, better
Qts0.97 +5%
Vas1.5 L +25%, worse
BL2.4 T·m −9%
Xmax3 mm +131%, better
Sensitivity83.9 dB −2.6, worse
Sica3 L 0.8 SL
£26.99 · 68% more, worseFs145 Hz +4%
Qts1.01 +10%
Vas0.8 L −33%, better
BL2.8 T·m +6%
Xmax1.5 mm +15%, better
Sensitivity84.8 dB −1.7
Dayton AudioRS75-8
£29.48 · 84% more, worseFs185 Hz +32%, worse
Qts1.07 +16%, worse
Vas0.11 L −91%, better
BL2.5 T·m −4%
Xmax1.3 mm –
Sensitivity79.3 dB −7.2, worse
Dayton AudioRS75T-8
£35.40 · 121% more, worseFs189 Hz +35%, worse
Qts0.95 +3%
Vas0.22 L −82%, better
BL2.6 T·m –
Xmax1.3 mm –
Sensitivity83.2 dB −3.3, worse
PRV Audio3MR40-NDY-4
£37.13 · 131% more, worseFs153 Hz +9%
Qts0.77 −16%, better
Vas0.6 L −48%, better
BL2.9 T·m +11%, better
Xmax1.4 mm +8%
Sensitivity85.6 dB −0.9
WavecorWF090WA01
£41.56 · 159% more, worseFs115 Hz −18%, better
Qts0.81 −12%, better
Vas1.0 L −15%, better
BL2.9 T·m +9%
Xmax2.8 mm +112%, better
Sensitivity84.3 dB −2.2, worse
PRV Audio4MR60-NDY-4
£42.20 · 163% more, worseFs96 Hz −32%, better
Qts0.85 −8%
Vas2.9 L +138%, worse
BL2.8 T·m +6%
Xmax1.4 mm +8%
Sensitivity85.8 dB −0.7
WavecorFR090WA01
£61.67 · 284% more, worseFs113 Hz −19%, better
Qts0.88 −4%
Vas1.1 L −11%, better
BL2.8 T·m +4%
Xmax2.3 mm +73%, better
Sensitivity83.8 dB −2.7, worse
WavecorFR090WA02
£61.67 · 284% more, worseFs109 Hz −22%, better
Qts0.85 −8%
Vas1.1 L −5%
BL3.4 T·m +28%, better
Xmax2.3 mm +73%, better
Sensitivity83.7 dB −2.8, worse
WavecorFR084WA01
£62.26 · 288% more, worseFs113 Hz −19%, better
Qts0.82 −11%, better
Vas1.1 L −11%, better
BL2.9 T·m +9%
Xmax2 mm +54%, better
Sensitivity84.1 dB −2.4, worse
£74.28 · 363% more, worse
Fs100 Hz −29%, better
Qts0.67 −27%, better
Vas1.1 L −8%
BL2.9 T·m +9%
Xmax2 mm +54%, better
Sensitivity81.8 dB −4.7, worse
SEASH1600-04 FU10RB
£84.44 · 426% more, worseFs102 Hz −27%, better
Qts0.91 –
Vas1 L −17%, better
BL2.7 T·m –
Xmax2 mm +54%, better
Sensitivity81.2 dB −5.3, worse
WavecorFR084OM01
No current priceFs115 Hz −18%, better
Qts0.92 –
Vas1.1 L −10%
BL2.8 T·m +4%
Xmax2.3 mm +73%, better
Sensitivity84.1 dB −2.4, worse
PeerlessTC8FD05-04
No current priceFs170 Hz +21%, worse
Qts0.95 +3%
Vas0.6 L −52%, better
BL2.5 T·m −5%
Xmax2.7 mm +110%, better
Sensitivity85.8 dB −0.7
VisatonSC 8 N - 8 OHM
No current priceFs110 Hz −21%, better
Qts0.97 +5%
Vas1.5 L +25%, worse
BL2.4 T·m −9%
Xmax3 mm +131%, better
Sensitivity83.9 dB −2.6, worse
PeerlessTC8FD00-08
No current priceFs130 Hz −7%
Qts0.96 +4%
Vas1.0 L −15%, better
BL3.1 T·m +19%, better
Xmax3.4 mm +162%, better
Sensitivity84.4 dB −2.1, worse
CIARECXE104
No current priceFs119 Hz −15%, better
Qts0.93 –
Vas2.4 L +98%, worse
BL3.0 T·m +12%, better
Xmax2.1 mm +62%, better
Sensitivity87.2 dB +0.7
PeerlessTC8FD00-04
No current priceFs140 Hz –
Qts0.94 –
Vas0.7 L −42%, better
BL2.4 T·m −8%
Xmax3.7 mm +187%, better
Sensitivity83.4 dB −3.1, worse
CIARECM087
No current priceFs122 Hz −13%, better
Qts0.64 −30%, better
Vas1.2 L –
BL2.9 T·m +8%
Xmax1.5 mm +15%, better
Sensitivity86.4 dB –
WavecorFR084OM02
No current priceFs117 Hz −16%, better
Qts1.06 +15%, worse
Vas1.1 L −10%
BL3.4 T·m +28%, better
Xmax2.3 mm +73%, better
Sensitivity83.6 dB −2.9, worse
HiViM3N
No current priceFs91 Hz −35%, better
Qts0.80 −13%, better
Vas1.5 L +25%, worse
BL3 T·m +13%, better
Xmax3 mm +131%, better
Sensitivity82.4 dB −4.1, worse
B&C4MCX36
No current priceFs150 Hz +7%
Qts0.91 –
Vas0.8 L −33%, better
BL5.3 T·m +99%, better
Xmax3 mm +131%, better
Sensitivity85.6 dB −0.9
VisatonFR 8 WP - 4 OHM
No current priceFs158 Hz +13%, worse
Qts0.88 −4%
Vas0.4 L −67%, better
BL2.8 T·m +6%
Xmax3 mm +131%, better
Sensitivity82.8 dB −3.7, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
None of the shops we track lists delivery to the UK at checkout.