Dayton AudioCE48-4
£6.61 · 81% less, betterFs151 Hz +22%, worse
Qts0.95 –
Vas0.068 L −98%, better
BL2.5 T·m −19%, worse
Xmax1.2 mm −47%, worse
Sensitivity75.6 dB −14, worse
2.75-inch LF driver · AN2775 series · 20 mm voice coil · 20 W
Celestion AN2775 8Ω
8 Ω · 160–20000 Hz
£35.00
SteadyLean Audio · 2 in stock · All 5 offers
- Fs
- 123Hz
- Xmax
- 2.3mm
- SPL
- 90dB
- Pe
- 20W
- BL
- 3.1T·m
- Vd
- 6cm³
- Qts
- 0.96
- Vas
- 4L
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
LF frequency response
Frequency response
137 plotted pointsMedium confidence170 selected pixels of 369
Published graphs
Celestion AN2775 is a 2.75-inch 8 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 123 Hz, Qts 0.96, Vas 3.6 L, Xmax 2.3 mm, sensitivity 89.6 dB, plus 6 cm³ Vd and 106 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 £35.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 123Hz
- Qts
- 0.96
- Qes
- 1.17
- Qms
- 5.4
- Vas
- 3.6L
- Re
- 5.3Ω
- Le
- 0.07mH
Motor and cone
- BL
- 3.1T·m
- Sd
- 28cm²
- Mms
- 3g
- Xmax
- 2.3mm
- Vd †
- 6cm³
- Voice coil
- 20mm
Power and response
- Sensitivity †
- 89.6dB
- Manufacturer sensitivity
- 84dB
- Power
- 20W
- Impedance
- 8Ω
- Range
- 160–20000Hz
- EBP †
- 106 · Leans vented
Size and mounting
- Cutout
- 66.1mm
- Bolt circle
- 82mm
- Depth
- 45mm
- Weight
- 0.1kg
Other published values
- Cms
- 0.62mm/N
- Rms
- 0.38kg/s
- Power Program
- 40
Sensitivity shows 89.6 dB, calculated from the T/S values. Celestion publishes 84.0 dB, 5.6 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 2.75″
- BL
- 3.1T·m
- Fs
- 123Hz
- Le
- 0.07mH
- Re
- 5.3Ω
- Sd
- 28cm²
- Cms
- 0.62mm/N
- Mms
- 3g
- Qes
- 1.17
- Qms
- 5.4
- Qts
- 0.96
- Rms
- 0.38kg/s
- SPL
- 89.6dB
- Vas
- 3.6L
- Xmax
- 2.3mm
- Power
- 20W
- Impedance
- 8Ω
- Sensitivity
- 84dB
- Low limit
- 160Hz
- Power Program
- 40
- Calculated sensitivity †
- 89.6dB
- High limit
- 20000Hz
- Manufacturer sensitivity
- 84dB
- Voice coil
- 20mm
- Weight
- 0.1kg
- Depth
- 45mm
- Cutout
- 66.1mm
- Bolt circle
- 82mm
02
Compare
Same-size drivers, compared with the AN2775. Clear differences are green when better and red when worse.
This driverAN2775
Best price
£35.00
Fs
123 Hz
Qts
0.96
Vas
3.6 L
BL
3.1 T·m
Xmax
2.3 mm
Sensitivity
89.6 dB
Power
20 W
Dayton AudioCE65W-8
£7.32 · 79% less, betterFs112 Hz −9%
Qts–
Vas0.021 L −99%, better
BL3.2 T·m +5%
Xmax2 mm −11%, worse
Sensitivity67 dB −22.6, worse
PeerlessTC9FD18-08
£9.54 · 73% less, betterFs130 Hz +5%
Qts0.97 –
Vas1.0 L −73%, better
BL3.1 T·m –
Xmax3.9 mm +72%, better
Sensitivity83.8 dB −5.8, worse
LavoceFSF030.70
£10.04 · 71% less, betterFs123 Hz –
Qts0.77 −20%, better
Vas1.2 L −67%, better
BL3.5 T·m +13%, better
Xmax2.1 mm −7%
Sensitivity85.9 dB −3.7, worse
FaitalPRO2FE24
£12.05 · 66% less, betterFs170 Hz +38%, worse
Qts0.94 –
Vas0.3 L −92%, better
BL3.5 T·m +14%, better
Xmax1.8 mm −22%, worse
Sensitivity82.9 dB −6.7, worse
VisatonFRS 8
£12.94 · 63% less, betterFs120 Hz –
Qts1.04 +8%
Vas0.9 L −75%, better
BL3.2 T·m +5%
Xmax0.25 mm −89%, worse
Sensitivity82.7 dB −6.9, worse
SB AcousticsSB10PGC21-4
£14.23 · 59% less, betterFs89 Hz −28%, better
Qts0.92 −4%
Vas1.2 L −66%, better
BL2.3 T·m −25%, worse
Xmax2.3 mm –
Sensitivity81.3 dB −8.3, worse
VisatonFR 8 WP
£15.15 · 57% less, betterFs158 Hz +28%, worse
Qts0.88 −8%
Vas0.4 L −89%, better
BL2.8 T·m −8%
Xmax0.5 mm −78%, worse
Sensitivity82.8 dB −6.8, worse
HiViB3S
£15.45 · 56% less, betterFs80 Hz −35%, better
Qts0.93 −3%
Vas1.6 L −55%, better
BL2.9 T·m −5%
Xmax3 mm +33%, better
Sensitivity80.4 dB −9.2, worse
HiViB3N
£15.45 · 56% less, betterFs77 Hz −38%, better
Qts0.86 −10%, better
Vas1.7 L −52%, better
BL3.1 T·m –
Xmax3 mm +33%, better
Sensitivity80.6 dB −9, worse
REDCATT31NFR
£15.45 · 56% less, betterFs115 Hz −7%
Qts0.88 −8%
Vas0.85 L −76%, better
BL3.5 T·m +14%, better
Xmax1.7 mm −24%, worse
Sensitivity83.4 dB −6.2, worse
Sica2.5 H 0.8 SL
£17.58 · 50% less, betterFs185 Hz +50%, worse
Qts0.92 −4%
Vas0.2 L −94%, better
BL2.8 T·m −8%
Xmax1.3 mm −42%, worse
Sensitivity82.6 dB −7, worse
FaitalPRO3FE26
£18.83 · 46% less, betterFs150 Hz +22%, worse
Qts0.79 −18%, better
Vas0.9 L −75%, better
BL3.3 T·m +8%
Xmax2 mm −11%, worse
Sensitivity86.4 dB −3.2, worse
VisatonSC 8 N
£21.64 · 38% less, betterFs110 Hz −11%, better
Qts0.97 –
Vas1.5 L −58%, better
BL2.4 T·m −22%, worse
Xmax0.5 mm −78%, worse
Sensitivity83.9 dB −5.7, worse
Sica3 L 0.8 SL
£26.75 · 24% less, betterFs145 Hz +18%, worse
Qts1.01 +5%
Vas0.8 L −78%, better
BL2.8 T·m −8%
Xmax1.5 mm −33%, worse
Sensitivity84.8 dB −4.8, worse
WavecorFR070WA04
£33.41 · 5% lessFs114 Hz −8%
Qts0.87 −9%
Vas0.6 L −83%, better
BL2.9 T·m −5%
Xmax2 mm −11%, worse
Sensitivity81.9 dB −7.7, worse
WavecorFR070WA03
£33.41 · 5% lessFs121 Hz –
Qts0.92 −4%
Vas0.54 L −85%, better
BL2.3 T·m −25%, worse
Xmax2 mm −11%, worse
Sensitivity81.9 dB −7.7, worse
CelestionAN2075
£33.66 · 4% lessFs153 Hz +24%, worse
Qts0.84 −13%, better
Vas1.5 L −58%, better
BL2.7 T·m −11%, worse
Xmax2.3 mm –
Sensitivity89.4 dB –
Dayton AudioRS75T-8
£35.08 · Same priceFs189 Hz +53%, worse
Qts0.95 –
Vas0.22 L −94%, better
BL2.6 T·m −16%, worse
Xmax1.3 mm −42%, worse
Sensitivity83.2 dB −6.4, worse
WavecorWF090WA01
£41.14 · 18% more, worseFs115 Hz −7%
Qts0.81 −16%, better
Vas1.0 L −71%, better
BL2.9 T·m −5%
Xmax2.8 mm +22%, better
Sensitivity84.3 dB −5.3, worse
WavecorFR090WA01
£61.12 · 75% more, worseFs113 Hz −8%
Qts0.88 −8%
Vas1.1 L −70%, better
BL2.8 T·m −10%, worse
Xmax2.3 mm –
Sensitivity83.8 dB −5.8, worse
WavecorFR090WA02
£61.12 · 75% more, worseFs109 Hz −12%, better
Qts0.85 −11%, better
Vas1.1 L −68%, better
BL3.4 T·m +11%, better
Xmax2.3 mm –
Sensitivity83.7 dB −5.9, worse
WavecorFR084WA01
£61.71 · 76% more, worseFs113 Hz −8%
Qts0.82 −14%, better
Vas1.1 L −70%, better
BL2.9 T·m −5%
Xmax2 mm −11%, worse
Sensitivity84.1 dB −5.5, worse
LavoceFSN020.72
No current priceFs210 Hz +70%, worse
Qts0.92 −4%
Vas0.18 L −95%, better
BL3.2 T·m +4%
Xmax2.3 mm –
Sensitivity83.6 dB −6, worse
Dayton AudioCE67PR-4
No current priceFs218 Hz +77%, worse
Qts0.92 −4%
Vas0.11 L −97%, better
BL3.2 T·m +5%
Xmax2.2 mm –
Sensitivity82.1 dB −7.5, worse
WavecorFR084OM01
No current priceFs115 Hz −7%
Qts0.92 −4%
Vas1.1 L −70%, better
BL2.8 T·m −10%, worse
Xmax2.3 mm –
Sensitivity84.1 dB −5.5, worse
WavecorFR084OM02
No current priceFs117 Hz −5%
Qts1.06 +11%, worse
Vas1.1 L −70%, better
BL3.4 T·m +11%, better
Xmax2.3 mm –
Sensitivity83.6 dB −6, worse
WavecorFR070OM02
No current priceFs120 Hz –
Qts1 +4%
Vas0.6 L −83%, better
BL2.9 T·m −5%
Xmax2.5 mm +11%, better
Sensitivity81.9 dB −7.7, worse
LavoceFSN020.71F
No current priceFs212 Hz +72%, worse
Qts0.82 −14%, better
Vas0.22 L −94%, better
BL3.2 T·m +6%
Xmax2.4 mm +7%
Sensitivity85.5 dB −4.1, worse
HiViM3N
No current priceFs91 Hz −26%, better
Qts0.80 −17%, better
Vas1.5 L −58%, better
BL3 T·m –
Xmax3 mm +33%, better
Sensitivity82.4 dB −7.2, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.6 out of 57 ratings · Checked 26 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Audio | £35.00, the lowest price | 2 in stock | Visit shop at Lean Audio | |
Lean Business | £36.00 | 2.9% above the lowest price | Stock not listed | Visit shop at Lean Business |
Parts Express Import VAT and duty may apply | £36.65 | 4.7% above the lowest price | 5 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr