REDCATT30FF
£9.00 · 73% less, betterFs119 Hz −22%, better
Qts0.78 −7%
Vas0.8 L −46%, better
BL3.3 T·m +20%, better
Xmax19 mm +744%, better
Sensitivity83.5 dB −5.9, worse
2-inch LF driver · AN2075 series · 20 mm voice coil · 20 W
Celestion AN2075 8Ω
8 Ω · 160–19000 Hz
£33.66
SteadyParts Express · 2 in stock · Ships from United States · All 4 offers
- Fs
- 153Hz
- Xmax
- 2.3mm
- SPL
- 89dB
- Pe
- 20W
- BL
- 2.7T·m
- Vd
- 3cm³
- Qts
- 0.84
- Vas
- 2L
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 confidence213 selected pixels of 329
Published graphs
Celestion AN2075 is a 2-inch 8 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 153 Hz, Qts 0.84, Vas 1.5 L, Xmax 2.3 mm, sensitivity 89.4 dB, plus 3 cm³ Vd and 154 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 £33.66.
The published T/S values agree with each other
Thiele/Small
- Fs
- 153Hz
- Qts
- 0.84
- Qes
- 1.00
- Qms
- 5.3
- Vas
- 1.5L
- Re
- 5.3Ω
- Le
- 0.04mH
Motor and cone
- BL
- 2.7T·m
- Sd
- 13cm²
- Mms
- 1g
- Xmax
- 2.3mm
- Vd †
- 3cm³
- Voice coil
- 20mm
Power and response
- Sensitivity †
- 89.4dB
- Manufacturer sensitivity
- 80dB
- Power
- 20W
- Impedance
- 8Ω
- Range
- 160–19000Hz
- EBP †
- 154 · Leans vented
Size and mounting
- Cutout
- 51.1mm
- Bolt circle
- 62mm
- Depth
- 43.5mm
- Weight
- 1.0kg
Other published values
- Cms
- 0.72mm/N
- Rms
- 0.27kg/s
- Power Program
- 40
Sensitivity shows 89.4 dB, calculated from the T/S values. Celestion publishes 80.0 dB, 9.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 2″
- BL
- 2.7T·m
- Fs
- 153Hz
- Le
- 0.04mH
- Re
- 5.3Ω
- Sd
- 13cm²
- Cms
- 0.72mm/N
- Mms
- 1g
- Qes
- 1.00
- Qms
- 5.3
- Qts
- 0.84
- Rms
- 0.27kg/s
- SPL
- 89.4dB
- Vas
- 1.5L
- Xmax
- 2.3mm
- Power
- 20W
- Impedance
- 8Ω
- Sensitivity
- 80dB
- Low limit
- 160Hz
- Power Program
- 40
- Calculated sensitivity †
- 89.4dB
- High limit
- 19000Hz
- Manufacturer sensitivity
- 80dB
- Voice coil
- 20mm
- Weight
- 1.0kg
- Depth
- 43.5mm
- Cutout
- 51.1mm
- Bolt circle
- 62mm
02
Compare
Same-size drivers, compared with the AN2075. Clear differences are green when better and red when worse.
This driverAN2075
Best price
£33.66
Fs
153 Hz
Qts
0.84
Vas
1.5 L
BL
2.7 T·m
Xmax
2.3 mm
Sensitivity
89.4 dB
Power
20 W
LavoceFSF030.70
£10.04 · 70% less, betterFs123 Hz −20%, better
Qts0.77 −8%
Vas1.2 L −23%, better
BL3.5 T·m +28%, better
Xmax2.1 mm −7%
Sensitivity85.9 dB −3.5, worse
Dayton AudioPC68-8
£11.26 · 67% less, betterFs109 Hz −29%, better
Qts0.64 −24%, better
Vas1.3 L −14%, better
BL3.3 T·m +22%, better
Xmax2 mm −11%, worse
Sensitivity84.8 dB −4.6, worse
Dayton AudioPC68-4
£11.26 · 67% less, betterFs117 Hz −24%, better
Qts0.65 −23%, better
Vas0.7 L −54%, better
BL2.4 T·m −11%, worse
Xmax2 mm −11%, worse
Sensitivity83.1 dB −6.3, worse
Dayton AudioCE81PF-8
£12.52 · 63% less, betterFs97 Hz −37%, better
Qts0.81 −3%
Vas1.0 L −34%, better
BL3.7 T·m +37%, better
Xmax2.7 mm +20%, better
Sensitivity82.1 dB −7.3, worse
SB AcousticsSB10PGC21-4
£14.23 · 58% less, betterFs89 Hz −42%, better
Qts0.92 +10%
Vas1.2 L −21%, better
BL2.3 T·m −15%, worse
Xmax2.3 mm –
Sensitivity81.3 dB −8.1, worse
PeerlessPLS-P830986
£14.59 · 57% less, betterFs110 Hz −28%, better
Qts0.80 −5%
Vas0.8 L −45%, better
BL3.5 T·m +27%, better
Xmax3.4 mm +50%, better
Sensitivity82.7 dB −6.7, worse
HiViB3N
£15.45 · 54% less, betterFs77 Hz −50%, better
Qts0.86 –
Vas1.7 L +13%, worse
BL3.1 T·m +14%, better
Xmax3 mm +33%, better
Sensitivity80.6 dB −8.8, worse
HiViB3S
£15.45 · 54% less, betterFs80 Hz −48%, better
Qts0.93 +11%, worse
Vas1.6 L +6%
BL2.9 T·m +7%
Xmax3 mm +33%, better
Sensitivity80.4 dB −9, worse
REDCATT31NFR
£15.45 · 54% less, betterFs115 Hz −25%, better
Qts0.88 +5%
Vas0.85 L −44%, better
BL3.5 T·m +29%, better
Xmax1.7 mm −24%, worse
Sensitivity83.4 dB −6, worse
Sica2 H 0.8 SL
£17.58 · 48% less, betterFs216 Hz +41%, worse
Qts0.81 −3%
Vas0.1 L −93%, better
BL2.6 T·m −4%
Xmax1.4 mm −38%, worse
Sensitivity82.1 dB −7.3, worse
Sica2.5 H 0.8 SL
£17.58 · 48% less, betterFs185 Hz +21%, worse
Qts0.92 +10%
Vas0.2 L −87%, better
BL2.8 T·m +3%
Xmax1.3 mm −42%, worse
Sensitivity82.6 dB −6.8, worse
FaitalPRO3FE26
£18.83 · 44% less, betterFs150 Hz –
Qts0.79 −6%
Vas0.9 L −40%, better
BL3.3 T·m +22%, better
Xmax2 mm −11%, worse
Sensitivity86.4 dB −3, worse
MonacorSPX-30M
£20.10 · 40% less, betterFs100 Hz −35%, better
Qts0.71 −15%, better
Vas1.8 L +19%, worse
BL3.0 T·m +13%, better
Xmax1.1 mm −51%, worse
Sensitivity85.1 dB −4.3, worse
WavecorFR070WA04
£33.41 · Same priceFs114 Hz −26%, better
Qts0.87 +4%
Vas0.6 L −60%, better
BL2.9 T·m +7%
Xmax2 mm −11%, worse
Sensitivity81.9 dB −7.5, worse
WavecorFR070WA03
£33.41 · Same priceFs121 Hz −21%, better
Qts0.92 +10%
Vas0.54 L −64%, better
BL2.3 T·m −15%, worse
Xmax2 mm −11%, worse
Sensitivity81.9 dB −7.5, worse
CelestionAN2775
£35.00 · 4% moreFs123 Hz −20%, better
Qts0.96 +14%, worse
Vas3.6 L +136%, worse
BL3.1 T·m +13%, better
Xmax2.3 mm –
Sensitivity89.6 dB –
PRV Audio3MR40-NDY-4
£36.80 · 9% more, worseFs153 Hz –
Qts0.77 −8%
Vas0.6 L −58%, better
BL2.9 T·m +8%
Xmax1.4 mm −38%, worse
Sensitivity85.6 dB −3.8, worse
WavecorFR084WA01
£61.71 · 83% more, worseFs113 Hz −26%, better
Qts0.82 –
Vas1.1 L −29%, better
BL2.9 T·m +7%
Xmax2 mm −11%, worse
Sensitivity84.1 dB −5.3, worse
WavecorFR084OM01
No current priceFs115 Hz −25%, better
Qts0.92 +10%
Vas1.1 L −28%, better
BL2.8 T·m –
Xmax2.3 mm –
Sensitivity84.1 dB −5.3, worse
HiViM3N
No current priceFs91 Hz −41%, better
Qts0.80 −5%
Vas1.5 L –
BL3 T·m +11%, better
Xmax3 mm +33%, better
Sensitivity82.4 dB −7, worse
LavoceFSN020.71F
No current priceFs212 Hz +38%, worse
Qts0.82 –
Vas0.22 L −85%, better
BL3.2 T·m +20%, better
Xmax2.4 mm +7%
Sensitivity85.5 dB −3.9, worse
WavecorFR070OM01
No current priceFs116 Hz −24%, better
Qts0.83 –
Vas0.6 L −60%, better
BL2.3 T·m −15%, worse
Xmax2.5 mm +11%, better
Sensitivity82.3 dB −7.1, worse
WavecorFR084WA02
No current priceFs109 Hz −29%, better
Qts0.79 −6%
Vas1.1 L −25%, better
BL3.6 T·m +35%, better
Xmax2.5 mm +11%, better
Sensitivity84 dB −5.4, worse
Dayton AudioCE67PR-4
No current priceFs218 Hz +42%, worse
Qts0.92 +10%
Vas0.11 L −93%, better
BL3.2 T·m +19%, better
Xmax2.2 mm –
Sensitivity82.1 dB −7.3, worse
WavecorFR055WA02
No current priceFs128 Hz −17%, better
Qts0.82 –
Vas0.33 L −78%, better
BL2.7 T·m –
Xmax1.4 mm −40%, worse
Sensitivity80.8 dB −8.6, worse
LavoceFSN020.72
No current priceFs210 Hz +37%, worse
Qts0.92 +10%
Vas0.18 L −88%, better
BL3.2 T·m +18%, better
Xmax2.3 mm –
Sensitivity83.6 dB −5.8, worse
Tang BandW3-532SQF
No current priceFs100 Hz −35%, better
Qts0.72 −14%, better
Vas1.5 L –
BL3.2 T·m +19%, better
Xmax0.5 mm −78%, worse
Sensitivity84.5 dB −4.9, worse
WavecorFR070OM02
No current priceFs120 Hz −22%, better
Qts1 +19%, worse
Vas0.6 L −60%, better
BL2.9 T·m +7%
Xmax2.5 mm +11%, better
Sensitivity81.9 dB −7.5, worse
WavecorFR084OM02
No current priceFs117 Hz −24%, better
Qts1.06 +26%, worse
Vas1.1 L −28%, better
BL3.4 T·m +25%, better
Xmax2.3 mm –
Sensitivity83.6 dB −5.8, 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 Express5.0 out of 53 ratings · Checked 25 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 |
|---|---|---|---|---|
Parts Express Import VAT and duty may apply | £33.66, the lowest price | 2 in stock | Visit shop at Parts Express | |
Lean Audio | £35.00 | 4.0% above the lowest price | Out of stock | Visit shop at Lean Audio |
Lean Business | £35.00 | 4.0% above the lowest price | Out of stock | Visit shop at Lean Business |
Best price over time
Tracked since 25 Jul
Recent changes
- 5 SepParts Express£31.79 → £33.66Up 5.9% from £31.79