5.5-inch LF driver · 38 mm voice coil

Sica 5.5 C 1.5 CP 8Ω

Name: Sica 5.5 C 1.5 CP 8 Ohm
Brand: Sica
SKU: 5.5 C 1.5 CP

8 Ω

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 62Hz
Xmax: 4mm
SPL: 88dB
Pe: –
BL: 7.9T·m
Vd: 31cm³
Qts: 0.31
Vas: 5L

See all 23 specs

Specifications

Published by Sica

Manufacturer page

Datasheet PDF

Sica 5.5 C 1.5 CP is a 5.5-inch 8 ohm LF driver. The validated T/S data includes Fs 62 Hz, Qts 0.31, Vas 5.4 L, Xmax 4 mm, sensitivity 87.8 dB, plus 31 cm³ Vd and 182 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: 62Hz
Qts: 0.31
Qes: 0.34
Qms: 4.7
Vas: 5.4L
Re: 5.1Ω
Le: 0.50mH

Motor and cone

BL: 7.9T·m
Sd: 79cm²
Mms: 11g
Xmax: 4mm
Vd †: 31cm³
Voice coil: 38mm

Power and response

Sensitivity †: 87.8dB
Manufacturer sensitivity: 89.8dB
Impedance: 8Ω
EBP †: 182 · Leans vented

Size and mounting

Diameter: 148mm
Cutout: 113mm
Bolt circle: 139mm
Depth: 73.5mm
Weight: 1.7kg

Other published values

Cms: 0.62mm/N

Sensitivity shows 87.8 dB, calculated from the T/S values. Sica publishes 89.8 dB, 2.0 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 · 5.5″

BL: 7.9T·m
Fs: 62Hz
Le: 0.50mH
Re: 5.1Ω
Sd: 79cm²
Cms: 0.62mm/N
Mms: 11g
Qes: 0.34
Qms: 4.7
Qts: 0.31
SPL: 87.8dB
Vas: 5.4L
Xmax: 4mm
Impedance: 8Ω
Sensitivity: 89.8dB
Calculated sensitivity †: 87.8dB
Manufacturer sensitivity: 89.8dB
Voice coil: 38mm

HF · HF

Fs: 1500Hz
Re: 6Ω
SPL: 93.5dB
Impedance: 8Ω
Sensitivity: 93.5dB
Manufacturer sensitivity: 93.5dB
Voice coil: 25mm
Crossover: 3000Hz

Compare

Same-size drivers, compared with the 5.5 C 1.5 CP. Clear differences are green when better and red when worse.

This driver5.5 C 1.5 CP

Best price

–

62 Hz

Qts

0.31

Vas

5.4 L

7.9 T·m

Xmax

4 mm

Sensitivity

87.8 dB

Power

–

HiViF5

£23.41

Fs52 Hz −16%

Qts0.33 +6%

Vas7.3 L +35%

BL8.3 T·m +5%

Xmax2.7 mm −32%

Sensitivity86.6 dB −1.2

LavoceWSF061.52

£26.27

Fs91 Hz +47%

Qts0.34 +10%

Vas6.6 L +23%

BL10.8 T·m +37%

Xmax3.8 mm −5%

Sensitivity93.4 dB +5.6

CIAREPWA5.38

£37.58

Fs78 Hz +26%

Qts0.37 +19%

Vas4.5 L −17%

BL8.9 T·m +13%

Xmax3.9 mm –

Sensitivity89.2 dB +1.4

Dayton AudioRS125-8

£37.76

Fs59 Hz −5%

Qts0.34 +10%

Vas4.8 L −12%

BL5.7 T·m −28%

Xmax4 mm –

Sensitivity85.8 dB −2

Sica5 F 1.5 CP

£38.85

Fs61 Hz –

Qts0.30 −3%

Vas6.8 L +26%

BL7.6 T·m −4%

Xmax3.5 mm −13%

Sensitivity88.7 dB +0.9

WavecorWF118WA07

£47.60

Fs56 Hz −10%

Qts0.36 +16%

Vas4.9 L −9%

BL4.5 T·m −43%

Xmax4 mm –

Sensitivity85.6 dB −2.2

CIAREHW162

£48.15

Fs44 Hz −29%

Qts0.33 +6%

Vas24.8 L +359%

BL7.5 T·m −5%

Xmax4.5 mm +13%

Sensitivity89.4 dB +1.6

Dayton AudioCF120-4

£52.76

Fs53 Hz −14%

Qts0.28 −10%

Vas4.9 L −10%

BL4.9 T·m −37%

Xmax3.5 mm −13%

Sensitivity85.6 dB −2.2

MonacorSPH-6M

£59.14

Fs39 Hz −37%

Qts0.30 −3%

Vas17.6 L +226%

BL9.7 T·m +23%

Xmax4 mm –

Sensitivity86.8 dB −1

CIAREHWB130

£60.83

Fs48 Hz −23%

Qts0.30 −3%

Vas12.5 L +131%

BL7.2 T·m −9%

Xmax4.5 mm +13%

Sensitivity88.4 dB +0.6

Beyma5P200FE

£63.23

Fs72 Hz +16%

Qts0.33 +6%

Vas5.7 L +6%

BL8.5 T·m +8%

Xmax5.7 mm +43%

Sensitivity89.9 dB +2.1

FaitalPRO5PR160

£65.90

Fs90 Hz +45%

Qts0.31 –

Vas3.7 L −31%

BL9.6 T·m +22%

Xmax5.1 mm +27%

Sensitivity91.2 dB +3.4

B&C6MBX44

£74.45

Fs113 Hz +82%

Qts0.31 –

Vas4.1 L −24%

BL11.7 T·m +48%

Xmax3.5 mm −13%

Sensitivity94.4 dB +6.6

SEASH1152-08 CA12RCY

£80.17

Fs57 Hz −8%

Qts0.31 –

Vas5 L −7%

BL6.3 T·m −20%

Xmax3 mm −25%

Sensitivity86.1 dB −1.7

B&C5NDL38

£81.95

Fs80 Hz +29%

Qts0.36 +16%

Vas4.3 L −20%

BL9.2 T·m +17%

Xmax3.5 mm −13%

Sensitivity89.8 dB +2

B&C6PS44

£86.62

Fs71 Hz +15%

Qts0.33 +6%

Vas7 L +30%

BL11 T·m +39%

Xmax4.5 mm +13%

Sensitivity90.7 dB +2.9

SEASH1520-08 U16RCY/P

£101.93

Fs36 Hz −42%

Qts0.32 +3%

Vas25 L +363%

BL6.3 T·m −20%

Xmax4 mm –

Sensitivity86.9 dB −0.9

Eighteen Sound6NMB420

£115.20

Fs110 Hz +77%

Qts0.33 +6%

Vas6.1 L +13%

BL9 T·m +14%

Xmax3 mm −25%

Sensitivity95.3 dB +7.5

WavecorWF152BD04

£144.04

Fs50 Hz −19%

Qts0.31 –

Vas11.4 L +111%

BL7.3 T·m −7%

Xmax4.5 mm +13%

Sensitivity88.4 dB +0.6

FaitalPRO6HX150

£155.14

Fs88 Hz +42%

Qts0.34 +10%

Vas6.3 L +17%

BL12 T·m +52%

Xmax4.3 mm +9%

Sensitivity92.9 dB +5.1

Scanspeak12MU/8731T00

£266.07

Fs66 Hz +6%

Qts0.29 −6%

Vas5.8 L +7%

BL6.1 T·m −23%

Xmax3.4 mm −15%

Sensitivity89.3 dB +1.5

LavoceMAN062.00

No current price

Fs103 Hz +66%

Qts0.30 −3%

Vas4.1 L −25%

BL12.7 T·m +61%

Xmax3.9 mm –

Sensitivity93.3 dB +5.5

Sica6 NR 2 PL

No current price

Fs61 Hz –

Qts0.33 +6%

Vas9.4 L +74%

BL9.9 T·m +25%

Xmax4 mm –

Sensitivity89.9 dB +2.1

PRV Audio6MB550FT-4

No current price

Fs86 Hz +39%

Qts0.34 +10%

Vas6.6 L +22%

BL8.6 T·m +9%

Xmax5.4 mm +35%

Sensitivity92.9 dB +5.1

WavecorWF152BD08

No current price

Fs46 Hz −26%

Qts0.35 +13%

Vas11.5 L +113%

BL8 T·m –

Xmax4.5 mm +13%

Sensitivity87 dB −0.8

WavecorWF152BD16

No current price

Fs46 Hz −26%

Qts0.35 +13%

Vas11.5 L +113%

BL8 T·m –

Xmax4.5 mm +13%

Sensitivity87 dB −0.8

HiViMY5N

No current price

Fs57 Hz −8%

Qts0.32 +3%

Vas7 L +30%

BL7.7 T·m –

Xmax2.5 mm −38%

Sensitivity87.1 dB −0.7

CIAREPM160

No current price

Fs66 Hz +6%

Qts0.31 –

Vas17.7 L +228%

BL8 T·m –

Xmax1.8 mm −55%

Sensitivity94 dB +6.2

EminenceFS5.15A8

No current price

Fs74 Hz +19%

Qts0.38 +23%

Vas5 L −7%

BL8.6 T·m +9%

Xmax3.5 mm −13%

Sensitivity89 dB +1.2

FaitalPRO6FE400

No current price

Fs100 Hz +61%

Qts0.36 +16%

Vas4.9 L −9%

BL8.8 T·m +12%

Xmax4.9 mm +22%

Sensitivity93 dB +5.2

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
SoundImports Checked 13 Oct 2026 · Ships from Netherlands · 8 Ω · Source: inc VAT Import VAT and duty may apply	£122.46		Back order	Visit shop at SoundImports

bits00 AUDIO

5.5-inch LF driver · 38 mm voice coil

Sica 5.5 C 1.5 CP 8Ω

8 Ω

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 62Hz
Xmax: 4mm
SPL: 88dB
Pe: –
BL: 7.9T·m
Vd: 31cm³
Qts: 0.31
Vas: 5L

See all 23 specs

Specifications

Published by Sica

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 62Hz
Qts: 0.31
Qes: 0.34
Qms: 4.7
Vas: 5.4L
Re: 5.1Ω
Le: 0.50mH

Motor and cone

BL: 7.9T·m
Sd: 79cm²
Mms: 11g
Xmax: 4mm
Vd †: 31cm³
Voice coil: 38mm

Power and response

Sensitivity †: 87.8dB
Manufacturer sensitivity: 89.8dB
Impedance: 8Ω
EBP †: 182 · Leans vented

Size and mounting

Diameter: 148mm
Cutout: 113mm
Bolt circle: 139mm
Depth: 73.5mm
Weight: 1.7kg

Other published values

Cms: 0.62mm/N

Sensitivity shows 87.8 dB, calculated from the T/S values. Sica publishes 89.8 dB, 2.0 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 · 5.5″

BL: 7.9T·m
Fs: 62Hz
Le: 0.50mH
Re: 5.1Ω
Sd: 79cm²
Cms: 0.62mm/N
Mms: 11g
Qes: 0.34
Qms: 4.7
Qts: 0.31
SPL: 87.8dB
Vas: 5.4L
Xmax: 4mm
Impedance: 8Ω
Sensitivity: 89.8dB
Calculated sensitivity †: 87.8dB
Manufacturer sensitivity: 89.8dB
Voice coil: 38mm

HF · HF

Fs: 1500Hz
Re: 6Ω
SPL: 93.5dB
Impedance: 8Ω
Sensitivity: 93.5dB
Manufacturer sensitivity: 93.5dB
Voice coil: 25mm
Crossover: 3000Hz

Compare

Same-size drivers, compared with the 5.5 C 1.5 CP. Clear differences are green when better and red when worse.

This driver5.5 C 1.5 CP

Best price

–

62 Hz

Qts

0.31

Vas

5.4 L

7.9 T·m

Xmax

4 mm

Sensitivity

87.8 dB

Power

–

HiViF5

£23.41

Fs52 Hz −16%

Qts0.33 +6%

Vas7.3 L +35%

BL8.3 T·m +5%

Xmax2.7 mm −32%

Sensitivity86.6 dB −1.2

LavoceWSF061.52

£26.27

Fs91 Hz +47%

Qts0.34 +10%

Vas6.6 L +23%

BL10.8 T·m +37%

Xmax3.8 mm −5%

Sensitivity93.4 dB +5.6

CIAREPWA5.38

£37.58

Fs78 Hz +26%

Qts0.37 +19%

Vas4.5 L −17%

BL8.9 T·m +13%

Xmax3.9 mm –

Sensitivity89.2 dB +1.4

Dayton AudioRS125-8

£37.76

Fs59 Hz −5%

Qts0.34 +10%

Vas4.8 L −12%

BL5.7 T·m −28%

Xmax4 mm –

Sensitivity85.8 dB −2

Sica5 F 1.5 CP

£38.85

Fs61 Hz –

Qts0.30 −3%

Vas6.8 L +26%

BL7.6 T·m −4%

Xmax3.5 mm −13%

Sensitivity88.7 dB +0.9

WavecorWF118WA07

£47.60

Fs56 Hz −10%

Qts0.36 +16%

Vas4.9 L −9%

BL4.5 T·m −43%

Xmax4 mm –

Sensitivity85.6 dB −2.2

CIAREHW162

£48.15

Fs44 Hz −29%

Qts0.33 +6%

Vas24.8 L +359%

BL7.5 T·m −5%

Xmax4.5 mm +13%

Sensitivity89.4 dB +1.6

Dayton AudioCF120-4

£52.76

Fs53 Hz −14%

Qts0.28 −10%

Vas4.9 L −10%

BL4.9 T·m −37%

Xmax3.5 mm −13%

Sensitivity85.6 dB −2.2

MonacorSPH-6M

£59.14

Fs39 Hz −37%

Qts0.30 −3%

Vas17.6 L +226%

BL9.7 T·m +23%

Xmax4 mm –

Sensitivity86.8 dB −1

CIAREHWB130

£60.83

Fs48 Hz −23%

Qts0.30 −3%

Vas12.5 L +131%

BL7.2 T·m −9%

Xmax4.5 mm +13%

Sensitivity88.4 dB +0.6

Beyma5P200FE

£63.23

Fs72 Hz +16%

Qts0.33 +6%

Vas5.7 L +6%

BL8.5 T·m +8%

Xmax5.7 mm +43%

Sensitivity89.9 dB +2.1

FaitalPRO5PR160

£65.90

Fs90 Hz +45%

Qts0.31 –

Vas3.7 L −31%

BL9.6 T·m +22%

Xmax5.1 mm +27%

Sensitivity91.2 dB +3.4

B&C6MBX44

£74.45

Fs113 Hz +82%

Qts0.31 –

Vas4.1 L −24%

BL11.7 T·m +48%

Xmax3.5 mm −13%

Sensitivity94.4 dB +6.6

SEASH1152-08 CA12RCY

£80.17

Fs57 Hz −8%

Qts0.31 –

Vas5 L −7%

BL6.3 T·m −20%

Xmax3 mm −25%

Sensitivity86.1 dB −1.7

B&C5NDL38

£81.95

Fs80 Hz +29%

Qts0.36 +16%

Vas4.3 L −20%

BL9.2 T·m +17%

Xmax3.5 mm −13%

Sensitivity89.8 dB +2

B&C6PS44

£86.62

Fs71 Hz +15%

Qts0.33 +6%

Vas7 L +30%

BL11 T·m +39%

Xmax4.5 mm +13%

Sensitivity90.7 dB +2.9

SEASH1520-08 U16RCY/P

£101.93

Fs36 Hz −42%

Qts0.32 +3%

Vas25 L +363%

BL6.3 T·m −20%

Xmax4 mm –

Sensitivity86.9 dB −0.9

Eighteen Sound6NMB420

£115.20

Fs110 Hz +77%

Qts0.33 +6%

Vas6.1 L +13%

BL9 T·m +14%

Xmax3 mm −25%

Sensitivity95.3 dB +7.5

WavecorWF152BD04

£144.04

Fs50 Hz −19%

Qts0.31 –

Vas11.4 L +111%

BL7.3 T·m −7%

Xmax4.5 mm +13%

Sensitivity88.4 dB +0.6

FaitalPRO6HX150

£155.14

Fs88 Hz +42%

Qts0.34 +10%

Vas6.3 L +17%

BL12 T·m +52%

Xmax4.3 mm +9%

Sensitivity92.9 dB +5.1

Scanspeak12MU/8731T00

£266.07

Fs66 Hz +6%

Qts0.29 −6%

Vas5.8 L +7%

BL6.1 T·m −23%

Xmax3.4 mm −15%

Sensitivity89.3 dB +1.5

LavoceMAN062.00

No current price

Fs103 Hz +66%

Qts0.30 −3%

Vas4.1 L −25%

BL12.7 T·m +61%

Xmax3.9 mm –

Sensitivity93.3 dB +5.5

Sica6 NR 2 PL

No current price

Fs61 Hz –

Qts0.33 +6%

Vas9.4 L +74%

BL9.9 T·m +25%

Xmax4 mm –

Sensitivity89.9 dB +2.1

PRV Audio6MB550FT-4

No current price

Fs86 Hz +39%

Qts0.34 +10%

Vas6.6 L +22%

BL8.6 T·m +9%

Xmax5.4 mm +35%

Sensitivity92.9 dB +5.1

WavecorWF152BD08

No current price

Fs46 Hz −26%

Qts0.35 +13%

Vas11.5 L +113%

BL8 T·m –

Xmax4.5 mm +13%

Sensitivity87 dB −0.8

WavecorWF152BD16

No current price

Fs46 Hz −26%

Qts0.35 +13%

Vas11.5 L +113%

BL8 T·m –

Xmax4.5 mm +13%

Sensitivity87 dB −0.8

HiViMY5N

No current price

Fs57 Hz −8%

Qts0.32 +3%

Vas7 L +30%

BL7.7 T·m –

Xmax2.5 mm −38%

Sensitivity87.1 dB −0.7

CIAREPM160

No current price

Fs66 Hz +6%

Qts0.31 –

Vas17.7 L +228%

BL8 T·m –

Xmax1.8 mm −55%

Sensitivity94 dB +6.2

EminenceFS5.15A8

No current price

Fs74 Hz +19%

Qts0.38 +23%

Vas5 L −7%

BL8.6 T·m +9%

Xmax3.5 mm −13%

Sensitivity89 dB +1.2

FaitalPRO6FE400

No current price

Fs100 Hz +61%

Qts0.36 +16%

Vas4.9 L −9%

BL8.8 T·m +12%

Xmax4.9 mm +22%

Sensitivity93 dB +5.2

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
SoundImports Checked 13 Oct 2026 · Ships from Netherlands · 8 Ω · Source: inc VAT Import VAT and duty may apply	£122.46		Back order	Visit shop at SoundImports