Dayton AudioCE45N-4
£6.31 · 65% less, betterFs178 Hz −4%
Qts0.89 −3%
Vas0.084 L −58%, better
BL1.8 T·m −36%, worse
Xmax1.1 mm −15%, worse
Sensitivity78.3 dB −4.3, worse
2.5-inch LF driver · 20 mm voice coil · 20 W
Sica 2.5 H 0.8 SL 8Ω
8 Ω
£27.08
SoundImports · 4 in stock · Ships from Netherlands · All 3 offers
- Fs
- 185Hz
- Xmax
- 1.3mm
- SPL
- 83dB
- Pe
- 20W
- BL
- 2.8T·m
- Vd
- 2cm³
- Qts
- 0.92
- Vas
- 0.2L
Sica 2.5 H 0.8 SL is a 2.5-inch 8 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 185 Hz, Qts 0.92, Vas 0.2 L, Xmax 1.3 mm, sensitivity 82.6 dB, plus 2 cm³ Vd and 167 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 £17.80.
The published T/S values agree with each other
Thiele/Small
- Fs
- 185Hz
- Qts
- 0.92
- Qes
- 1.11
- Qms
- 5.2
- Vas
- 0.2L
- Re
- 5Ω
- Le
- 0.12mH
Motor and cone
- BL
- 2.8T·m
- Sd
- 19cm²
- Mms
- 2g
- Xmax
- 1.3mm
- Vd †
- 2cm³
- Voice coil
- 20mm
- Flux density
- 1.30T
Power and response
- Sensitivity †
- 82.6dB
- Manufacturer sensitivity
- 85.6dB
- Power
- 20W
- Impedance
- 8Ω
- EBP †
- 167 · Leans vented
Size and mounting
- Diameter
- 66mm
- Cutout
- 61mm
- Bolt circle
- 75.5mm
- Depth
- 36.6mm
- Weight
- 0.1kg
Other published values
- Cms
- 0.49mm/N
- Power Program
- 40
Sensitivity shows 82.6 dB, calculated from the T/S values. Sica publishes 85.6 dB, 3.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Sica lists
LF · Primary · 2.5″
- BL
- 2.8T·m
- Fs
- 185Hz
- Le
- 0.12mH
- Re
- 5Ω
- Sd
- 19cm²
- Cms
- 0.49mm/N
- Mms
- 2g
- Qes
- 1.11
- Qms
- 5.2
- Qts
- 0.92
- SPL
- 82.6dB
- Vas
- 0.2L
- Xmax
- 1.3mm
- Power
- 20W
- Impedance
- 8Ω
- Flux density
- 1.30T
- Sensitivity
- 85.6dB
- Power Program
- 40
- Calculated sensitivity †
- 82.6dB
- Manufacturer sensitivity
- 85.6dB
- Voice coil
- 20mm
- Weight
- 0.1kg
- Diameter
- 66mm
- Depth
- 36.6mm
- Cutout
- 61mm
- Bolt circle
- 75.5mm
02
Compare
Same-size drivers, compared with the 2.5 H 0.8 SL. Clear differences are green when better and red when worse.
This driver2.5 H 0.8 SL
Best price
£17.80
Fs
185 Hz
Qts
0.92
Vas
0.2 L
BL
2.8 T·m
Xmax
1.3 mm
Sensitivity
82.6 dB
Power
20 W
Dayton AudioCE48-4
£6.74 · 62% less, betterFs151 Hz −18%, better
Qts0.95 +3%
Vas0.068 L −66%, better
BL2.5 T·m −11%, worse
Xmax1.2 mm −8%
Sensitivity75.6 dB −7, worse
Dayton AudioCE78PF-4
£10.98 · 38% less, betterFs100 Hz −46%, better
Qts0.99 +8%
Vas1.1 L +470%, worse
BL2.2 T·m −21%, worse
Xmax1.4 mm +8%
Sensitivity81.3 dB −1.3
Dayton AudioCE67PR-4
£11.82 · 34% less, betterFs218 Hz +18%, worse
Qts0.92 –
Vas0.11 L −45%, better
BL3.2 T·m +15%, better
Xmax2.2 mm +69%, better
Sensitivity82.1 dB −0.5
SB AcousticsSB10PGC21-4
£14.41 · 19% less, betterFs89 Hz −52%, better
Qts0.92 –
Vas1.2 L +500%, worse
BL2.3 T·m −18%, worse
Xmax4.5 mm +246%, better
Sensitivity81.3 dB −1.3
VisatonFR 8 WP
£15.32 · 14% less, betterFs158 Hz −15%, better
Qts0.88 −4%
Vas0.4 L +100%, worse
BL2.8 T·m –
Xmax3 mm +131%, better
Sensitivity82.8 dB –
HiViB3S
£15.64 · 12% less, betterFs80 Hz −57%, better
Qts0.93 –
Vas1.6 L +700%, worse
BL2.9 T·m +4%
Xmax3 mm +131%, better
Sensitivity80.4 dB −2.2, worse
HiViB3N
£15.64 · 12% less, betterFs77 Hz −58%, better
Qts0.86 −7%
Vas1.7 L +750%, worse
BL3.1 T·m +11%, better
Xmax3 mm +131%, better
Sensitivity80.6 dB −2, worse
Sica2 H 0.8 SL
£17.80 · Same priceFs216 Hz +17%, worse
Qts0.81 −12%, better
Vas0.1 L −50%, better
BL2.6 T·m −7%
Xmax1.4 mm +8%
Sensitivity82.1 dB −0.5
PeerlessTG9FD10-04
£19.45 · 9% more, worseFs130 Hz −30%, better
Qts0.87 −5%
Vas1.0 L +389%, worse
BL2.6 T·m −8%
Xmax3.9 mm +202%, better
Sensitivity84.7 dB +2.1, better
Dayton AudioRS75-4
£22.68 · 27% more, worseFs177 Hz −4%
Qts0.83 −10%
Vas0.14 L −30%, better
BL2.0 T·m −28%, worse
Xmax1.1 mm −15%, worse
Sensitivity81.1 dB −1.5
Sica3 L 0.8 SL
£27.08 · 52% more, worseFs145 Hz −22%, better
Qts1.01 +10%
Vas0.8 L +300%, worse
BL2.8 T·m –
Xmax1.5 mm +15%, better
Sensitivity84.8 dB +2.2, better
Dayton AudioRS75-8
£29.58 · 66% more, worseFs185 Hz –
Qts1.07 +16%, worse
Vas0.11 L −43%, better
BL2.5 T·m −9%
Xmax1.3 mm –
Sensitivity79.3 dB −3.3, worse
WavecorFR070WA04
£33.86 · 90% more, worseFs114 Hz −38%, better
Qts0.87 −5%
Vas0.6 L +205%, worse
BL2.9 T·m +4%
Xmax2 mm +54%, better
Sensitivity81.9 dB −0.7
CelestionAN2075
£34.04 · 91% more, worseFs153 Hz −17%, better
Qts0.84 −9%
Vas1.5 L +655%, worse
BL2.7 T·m −3%
Xmax2.3 mm +73%, better
Sensitivity89.4 dB +6.8, better
CelestionAN2775
£35.00 · 97% more, worseFs123 Hz −33%, better
Qts0.96 +4%
Vas3.6 L +1685%, worse
BL3.1 T·m +9%
Xmax2.3 mm +73%, better
Sensitivity89.6 dB +7, better
Dayton AudioRS75T-8
£35.51 · 100% more, worseFs189 Hz –
Qts0.95 +3%
Vas0.22 L +10%
BL2.6 T·m −8%
Xmax1.3 mm –
Sensitivity83.2 dB +0.6
PRV Audio3MR40-NDY-4
£37.25 · 109% more, worseFs153 Hz −17%, better
Qts0.77 −16%, better
Vas0.6 L +215%, worse
BL2.9 T·m +5%
Xmax1.4 mm +8%
Sensitivity85.6 dB +3, better
MonacorAN2775/8
£40.68 · 129% more, worseFs123 Hz −33%, better
Qts0.96 +4%
Vas3.6 L +1700%, worse
BL3.1 T·m +9%
Xmax2.3 mm +73%, better
Sensitivity89.7 dB +7.1, better
WavecorFR055WA01
£61.54 · 246% more, worseFs142 Hz −23%, better
Qts0.91 –
Vas0.27 L +35%, worse
BL2.1 T·m −25%, worse
Xmax1.4 mm +4%
Sensitivity80.9 dB −1.7
WavecorFR090WA01
£61.87 · 248% more, worseFs113 Hz −39%, better
Qts0.88 −4%
Vas1.1 L +435%, worse
BL2.8 T·m –
Xmax2.3 mm +73%, better
Sensitivity83.8 dB +1.2
LavoceFSN020.72
No current priceFs210 Hz +14%, worse
Qts0.92 –
Vas0.18 L −10%, better
BL3.2 T·m +14%, better
Xmax2.3 mm +77%, better
Sensitivity83.6 dB +1
WavecorFR055WA02
No current priceFs128 Hz −31%, better
Qts0.82 −11%, better
Vas0.33 L +65%, worse
BL2.7 T·m −5%
Xmax1.4 mm +4%
Sensitivity80.8 dB −1.8
WavecorFR084OM01
No current priceFs115 Hz −38%, better
Qts0.92 –
Vas1.1 L +440%, worse
BL2.8 T·m –
Xmax2.3 mm +73%, better
Sensitivity84.1 dB +1.5
PeerlessHVS-60N18PG01-04
No current priceFs200 Hz +8%
Qts0.90 –
Vas0.24 L +22%, worse
BL2.2 T·m −21%, worse
Xmax2.2 mm +68%, better
Sensitivity84.1 dB +1.5
LavoceFSN020.71F
No current priceFs212 Hz +15%, worse
Qts0.82 −11%, better
Vas0.22 L +10%
BL3.2 T·m +16%, better
Xmax2.4 mm +85%, better
Sensitivity85.5 dB +2.9, better
WavecorFR070OM02
No current priceFs120 Hz −35%, better
Qts1 +9%
Vas0.6 L +200%, worse
BL2.9 T·m +4%
Xmax2.5 mm +92%, better
Sensitivity81.9 dB −0.7
PeerlessTC8FD05-04
No current priceFs170 Hz −8%
Qts0.95 +3%
Vas0.6 L +187%, worse
BL2.5 T·m −10%
Xmax2.7 mm +110%, better
Sensitivity85.8 dB +3.2, better
VisatonFR 8 WP - 4 OHM
No current priceFs158 Hz −15%, better
Qts0.88 −4%
Vas0.4 L +100%, worse
BL2.8 T·m –
Xmax3 mm +131%, better
Sensitivity82.8 dB –
MonacorAN2075/8
No current priceFs153 Hz −17%, better
Qts0.84 −9%
Vas1.5 L +650%, worse
BL2.7 T·m −3%
Xmax2.3 mm +73%, better
Sensitivity89.4 dB +6.8, better
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 | £27.08, the lowest price | 4 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 13 Sep