REDCATT35FR-1
£13.03 · 88% less, betterFs67 Hz −34%, better
Qts0.34 +6%
Vas1.6 L +7%
BL5.5 T·m −25%, worse
Xmax0.55 mm −73%, worse
Sensitivity83.2 dB −6.5, worse
4-inch LF driver · 38 mm voice coil
Sica 4 C 1.5 CP 8Ω
8 Ω
£104.43
SteadySoundImports · 4 in stock · Ships from Netherlands · All 1 offer
- Fs
- 102Hz
- Xmax
- 2mm
- SPL
- 90dB
- Pe
- –
- BL
- 7.3T·m
- Vd
- 10cm³
- Qts
- 0.32
- Vas
- 2L
Sica 4 C 1.5 CP is a 4-inch 8 ohm LF driver. The validated T/S data includes Fs 102 Hz, Qts 0.32, Vas 1.5 L, Xmax 2 mm, sensitivity 89.7 dB, plus 10 cm³ Vd and 378 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 £104.43.
The published T/S values agree with each other
Thiele/Small
- Fs
- 102Hz
- Qts
- 0.32
- Qes
- 0.27
- Qms
- 4.0
- Vas
- 1.5L
- Re
- 5.1Ω
- Le
- 0.35mH
Motor and cone
- BL
- 7.3T·m
- Sd
- 52cm²
- Mms
- 5g
- Xmax
- 2mm
- Vd †
- 10cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 89.7dB
- Manufacturer sensitivity
- 91.2dB
- Impedance
- 8Ω
- EBP †
- 378 · Leans vented
Size and mounting
- Diameter
- 105.5mm
- Cutout
- 91mm
- Bolt circle
- 106mm
- Depth
- 68.6mm
- Weight
- 1.8kg
Other published values
- Cms
- 0.41mm/N
Sensitivity shows 89.7 dB, calculated from the T/S values. Sica publishes 91.2 dB, 1.5 dB apart.
Excursion and motor values come from the LF section; the frequency range spans every section.
† Calculated by bits from the published values
What this validation status means
Components and manufacturer details
LF · LF · 4″
- BL
- 7.3T·m
- Fs
- 102Hz
- Le
- 0.35mH
- Re
- 5.1Ω
- Sd
- 52cm²
- Cms
- 0.41mm/N
- Mms
- 5g
- Qes
- 0.27
- Qms
- 4.0
- Qts
- 0.32
- SPL
- 89.7dB
- Vas
- 1.5L
- Xmax
- 2mm
- Impedance
- 8Ω
- Sensitivity
- 91.2dB
- Calculated sensitivity †
- 89.7dB
- Manufacturer sensitivity
- 91.2dB
- Voice coil
- 38mm
HF · HF
- Fs
- 1500Hz
- Re
- 6Ω
- SPL
- 91.9dB
- Impedance
- 8Ω
- Sensitivity
- 91.9dB
- Manufacturer sensitivity
- 91.9dB
- Voice coil
- 25mm
- Crossover
- 3000Hz
02
Compare
Same-size drivers, compared with the 4 C 1.5 CP. Clear differences are green when better and red when worse.
This driver4 C 1.5 CP
Best price
£104.43
Fs
102 Hz
Qts
0.32
Vas
1.5 L
BL
7.3 T·m
Xmax
2 mm
Sensitivity
89.7 dB
Power
–
Sica4 E 1 CS
£23.82 · 77% less, betterFs118 Hz +16%, worse
Qts0.39 +22%, worse
Vas1.3 L −13%, better
BL5.8 T·m −21%, worse
Xmax2.2 mm +10%, better
Sensitivity88.4 dB −1.3
FaitalPRO4FE44
£33.26 · 68% less, betterFs150 Hz +47%, worse
Qts0.33 +3%
Vas1.1 L −27%, better
BL7.2 T·m –
Xmax1.7 mm −17%, worse
Sensitivity92.3 dB +2.6, better
LavoceFSN041.00
£34.72 · 67% less, betterFs114 Hz +12%, worse
Qts0.38 +19%, worse
Vas1.8 L +23%, worse
BL6.9 T·m −6%
Xmax2.2 mm +10%, better
Sensitivity90 dB –
Sica5 F 1.5 CP
£38.44 · 63% less, betterFs61 Hz −40%, better
Qts0.30 −6%
Vas6.8 L +353%, worse
BL7.6 T·m +4%
Xmax3.5 mm +75%, better
Sensitivity88.7 dB −1
Sica4 L1 1 SL
£38.86 · 63% less, betterFs120 Hz +18%, worse
Qts0.36 +12%, worse
Vas1.2 L −20%, better
BL6.2 T·m −15%, worse
Xmax2.5 mm +25%, better
Sensitivity88.8 dB −0.9
SB AcousticsSB15SFCR39-4
£39.66 · 62% less, betterFs31 Hz −70%, better
Qts0.32 –
Vas49.9 L +3227%, worse
BL6.9 T·m −5%
Xmax5.5 mm +175%, better
Sensitivity88.4 dB −1.3
B&C4NDF34
£42.62 · 59% less, betterFs110 Hz +8%
Qts0.27 −16%, better
Vas1.6 L +7%
BL9 T·m +24%, better
Xmax3.8 mm +90%, better
Sensitivity90.8 dB +1.1
LavoceWSN041.00
£46.20 · 56% less, betterFs104 Hz –
Qts0.30 −6%
Vas1.8 L +19%, worse
BL8.3 T·m +14%, better
Xmax4 mm +100%, better
Sensitivity90 dB –
MonacorSPH-130
£46.72 · 55% less, betterFs38 Hz −63%, better
Qts0.32 –
Vas22 L +1367%, worse
BL5.4 T·m −26%, worse
Xmax2 mm –
Sensitivity86.9 dB −2.8, worse
SB AcousticsSB12MNRX2-25-4
£47.06 · 55% less, betterFs64 Hz −38%, better
Qts0.32 –
Vas5.3 L +253%, worse
BL3.9 T·m −46%, worse
Xmax2.2 mm +10%, better
Sensitivity87.9 dB −1.8
CIAREHWB130
£60.18 · 42% less, betterFs48 Hz −53%, better
Qts0.30 −6%
Vas12.5 L +733%, worse
BL7.2 T·m –
Xmax4.5 mm +125%, better
Sensitivity88.4 dB −1.3
ETON5-612/C8/25 RP
£75.18 · 28% less, betterFs55 Hz −46%, better
Qts0.36 +12%, worse
Vas9.8 L +553%, worse
BL5.9 T·m −19%, worse
Xmax2 mm –
Sensitivity88.4 dB −1.3
B&C5MDN38
£81.91 · 22% less, betterFs175 Hz +72%, worse
Qts0.31 −3%
Vas1.4 L −7%
BL11.1 T·m +53%, better
Xmax3.5 mm +75%, better
Sensitivity95.2 dB +5.5, better
CIAREHWG130
£90.26 · 14% less, betterFs40 Hz −61%, better
Qts0.28 −12%, better
Vas12.5 L +733%, worse
BL7.8 T·m +7%
Xmax6.5 mm +225%, better
Sensitivity86.3 dB −3.4, worse
£99.78 · 4% less
Fs51 Hz −50%, better
Qts0.25 −22%, better
Vas12 L +700%, worse
BL6.8 T·m −6%
Xmax1.7 mm −15%, worse
Sensitivity89.3 dB –
Beyma5CX200ND
£220.02 · 111% more, worseFs75 Hz −26%, better
Qts0.28 −12%, better
Vas9.1 L +507%, worse
BL7.3 T·m –
Xmax5.7 mm +185%, better
Sensitivity93.4 dB +3.7, better
MorelEW 638
£225.62 · 116% more, worseFs39 Hz −62%, better
Qts0.32 –
Vas20.3 L +1252%, worse
BL7.0 T·m −3%
Xmax6 mm +200%, better
Sensitivity86.9 dB −2.8, worse
PurifiPTT4.0M08-NAC-03
£250.69 · 140% more, worseFs50 Hz −51%, better
Qts0.32 –
Vas4.9 L +227%, worse
BL7 T·m −4%
Xmax2.9 mm +45%, better
Sensitivity84.6 dB −5.1, worse
PurifiPTT4.0M08-NFC-01
No current priceFs48 Hz −53%, better
Qts0.31 −3%
Vas5.3 L +253%, worse
BL7 T·m −4%
Xmax2.9 mm +45%, better
Sensitivity84.5 dB −5.2, worse
No photo
PHL Audio950
No current priceFs200 Hz +96%, worse
Qts0.62 +94%, worse
Vas1.3 L −13%, better
BL8.8 T·m +21%, better
Xmax2 mm –
Sensitivity93.7 dB +4, better
No photo
PHL Audio950ND
No current priceFs200 Hz +96%, worse
Qts0.59 +84%, worse
Vas1.3 L −13%, better
BL8.9 T·m +22%, better
Xmax2 mm –
Sensitivity94 dB +4.3, better
AccutonBD90-6-727
No current priceFs123 Hz +21%, worse
Qts0.28 −12%, better
Vas1.6 L +7%
BL10.7 T·m +47%, better
Xmax3 mm +50%, better
Sensitivity92 dB +2.3, better
REDCATT32NFR
No current priceFs118 Hz +16%, worse
Qts0.32 –
Vas1.1 L −24%, better
BL5.3 T·m −26%, worse
Xmax1.2 mm −40%, worse
Sensitivity89.3 dB –
Tang BandW3-1401SD
No current priceFs75 Hz −26%, better
Qts0.31 −3%
Vas1.6 L +10%
BL5.6 T·m −24%, worse
Xmax3.5 mm +75%, better
Sensitivity84.7 dB −5, worse
HiViMY5N
No current priceFs57 Hz −44%, better
Qts0.32 –
Vas7 L +367%, worse
BL7.7 T·m +6%
Xmax2.5 mm +25%, better
Sensitivity87.1 dB −2.6, worse
HiViBG5N
No current priceFs60 Hz −41%, better
Qts0.33 +3%
Vas7.1 L +373%, worse
BL7.4 T·m –
Xmax2.5 mm +25%, better
Sensitivity87.8 dB −1.9
CIARENDI3.21
No current priceFs90 Hz −12%, better
Qts0.38 +19%, worse
Vas1.8 L +20%, worse
BL4 T·m −45%, worse
Xmax2 mm –
Sensitivity86.8 dB −2.9, worse
Tang BandW3-1750SB
No current priceFs50 Hz −51%, better
Qts0.37 +16%, worse
Vas1.7 L +11%, worse
BL8.0 T·m +10%, better
Xmax5 mm +150%, better
Sensitivity79.3 dB −10.4, worse
Tang BandW3-2052S
No current priceFs50 Hz −51%, better
Qts0.34 +6%
Vas0.9 L −41%, better
BL6.8 T·m −7%
Xmax5 mm +150%, better
Sensitivity76.7 dB −13, 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 |
|---|---|---|---|---|
SoundImports Import VAT and duty may apply | £104.43, the lowest price | 4 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 13 Sep