REDCATT4FR-1
£11.96 · 82% less, betterFs79 Hz −21%, better
Qts0.52 –
Vas1.8 L +15%, worse
BL4.8 T·m +12%, better
Xmax2.8 mm +22%, better
Sensitivity83.7 dB −2.2, worse
4-inch LF driver · Discovery series · 20 mm voice coil · 10 W
Scanspeak 10F/8414G10 8Ω
8 Ω
- Fs
- 100Hz
- Xmax
- 2.3mm
- SPL
- 86dB
- Pe
- 10W
- BL
- 4.3T·m
- Vd
- 8cm³
- Qts
- 0.51
- Vas
- 2L
Scanspeak 10F/8414G10 is a 4-inch 8 ohm LF driver rated at 10 W RMS. The validated T/S data includes Fs 100 Hz, Qts 0.51, Vas 1.6 L, Xmax 2.3 mm, sensitivity 85.9 dB, plus 8 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 £66.31.
The published T/S values agree with each other
Thiele/Small
- Fs
- 100Hz
- Qts
- 0.51
- Qes
- 0.65
- Qms
- 2.4
- Vas
- 1.6L
- Re
- 6.3Ω
- Le
- 0.11mH
Motor and cone
- BL
- 4.3T·m
- Sd
- 36cm²
- Mms
- 3g
- Xmax
- 2.3mm
- Vd †
- 8cm³
- Voice coil
- 20mm
Power and response
- Sensitivity †
- 85.9dB
- Manufacturer sensitivity
- 86dB
- Power
- 10W
- Impedance
- 8Ω
- Min. impedance
- 6.8Ω
- EBP †
- 154 · Leans vented
Size and mounting
- Diameter
- 100mm
Other published values
- Cms
- 0.86mm/N
- Rms
- 0.76kg/s
- Power Peak
- 20
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 4″
- BL
- 4.3T·m
- Fs
- 100Hz
- Le
- 0.11mH
- Re
- 6.3Ω
- Sd
- 36cm²
- Cms
- 0.86mm/N
- Mms
- 3g
- Qes
- 0.65
- Qms
- 2.4
- Qts
- 0.51
- Rms
- 0.76kg/s
- SPL
- 85.9dB
- Vas
- 1.6L
- Xmax
- 2.3mm
- Power
- 10W
- Impedance
- 8Ω
- Power Peak
- 20
- Sensitivity
- 86dB
- Calculated sensitivity †
- 85.9dB
- Manufacturer sensitivity
- 86dB
- Min. impedance
- 6.8Ω
- Voice coil
- 20mm
- Diameter
- 100mm
02
Compare
Same-size drivers, compared with the 10F/8414G10. Clear differences are green when better and red when worse.
This driver10F/8414G10
Best price
£66.31
Fs
100 Hz
Qts
0.51
Vas
1.6 L
BL
4.3 T·m
Xmax
2.3 mm
Sensitivity
85.9 dB
Power
10 W
PeerlessSDS-100F25CP09-04
£12.90 · 81% less, betterFs80 Hz −20%, better
Qts0.53 +4%
Vas2.0 L +25%, worse
BL4.7 T·m +10%
Xmax5.0 mm +120%, better
Sensitivity84.4 dB −1.5
Dayton AudioPC83-4
£13.10 · 80% less, betterFs80 Hz −20%, better
Qts0.54 +6%
Vas2.0 L +26%, worse
BL2.9 T·m −33%, worse
Xmax2 mm −13%, worse
Sensitivity84 dB −1.9
Dayton AudioDS90-8
£16.44 · 75% less, betterFs81 Hz −19%, better
Qts0.43 −16%, better
Vas1.3 L −17%, better
BL4.8 T·m +11%, better
Xmax2.5 mm +9%
Sensitivity83.3 dB −2.6, worse
REDCATT4FR-2
£16.62 · 75% less, betterFs80 Hz −20%, better
Qts0.51 –
Vas2.0 L +25%, worse
BL4.6 T·m +7%
Xmax0.35 mm −85%, worse
Sensitivity84.4 dB −1.5
Sica3.5 F 1 CS
£16.66 · 75% less, betterFs107 Hz +7%
Qts0.57 +12%, worse
Vas1.4 L −11%, better
BL4.2 T·m –
Xmax1.5 mm −35%, worse
Sensitivity86.4 dB +0.5
MonacorSP-60/8
£18.25 · 72% less, betterFs65 Hz −35%, better
Qts0.49 −4%
Vas6 L +282%, worse
BL4.1 T·m −5%
Xmax2 mm −13%, worse
Sensitivity86.1 dB –
FaitalPRO3FE22
£18.26 · 72% less, betterFs110 Hz +10%, worse
Qts0.47 −8%
Vas1.3 L −17%, better
BL4.5 T·m +5%
Xmax1.8 mm −20%, worse
Sensitivity87.3 dB +1.4
Sica3.5 H 1 CS
£18.42 · 72% less, betterFs85 Hz −15%, better
Qts0.53 +4%
Vas1.8 L +15%, worse
BL4.8 T·m +12%, better
Xmax2.5 mm +9%
Sensitivity84.9 dB −1
MonacorSPX-32M
£18.42 · 72% less, betterFs110 Hz +10%, worse
Qts0.56 +10%
Vas1.6 L –
BL3.7 T·m −14%, worse
Xmax1.1 mm −52%, worse
Sensitivity87.5 dB +1.6
Dayton AudioDMA80-8
£19.17 · 71% less, betterFs98 Hz –
Qts0.47 −8%
Vas1.1 L −28%, better
BL5.1 T·m +19%, better
Xmax2.5 mm +9%
Sensitivity84.4 dB −1.5
Sica3.5 L 1 SL
£23.36 · 65% less, betterFs108 Hz +8%
Qts0.57 +12%, worse
Vas1.4 L −11%, better
BL4.3 T·m –
Xmax1.5 mm −35%, worse
Sensitivity86.6 dB +0.7
EminenceALPHA 3-8
£24.24 · 63% less, betterFs118 Hz +18%, worse
Qts0.50 –
Vas0.95 L −39%, better
BL3.9 T·m −9%
Xmax2.4 mm +4%
Sensitivity86.7 dB +0.8
VisatonW 100 S
£26.13 · 61% less, betterFs63 Hz −37%, better
Qts0.54 +6%
Vas5.4 L +245%, worse
BL4.3 T·m –
Xmax2 mm −13%, worse
Sensitivity85.1 dB −0.8
Tang BandW3-871B
£27.63 · 58% less, betterFs110 Hz +10%, worse
Qts0.52 –
Vas1.2 L −25%, better
BL3.7 T·m −14%, worse
Xmax0.5 mm −78%, worse
Sensitivity86.1 dB –
Dayton AudioRS100P-8
£29.91 · 55% less, betterFs96 Hz −4%
Qts0.54 +6%
Vas1.8 L +16%, worse
BL4.0 T·m −8%
Xmax3.7 mm +61%, better
Sensitivity85.5 dB –
Dayton AudioRS100-4
£29.91 · 55% less, betterFs85 Hz −15%, better
Qts0.53 +4%
Vas1.4 L −8%
BL3.2 T·m −26%, worse
Xmax4 mm +74%, better
Sensitivity83.3 dB −2.6, worse
Dayton AudioDMA105-4
£30.10 · 55% less, betterFs73 Hz −27%, better
Qts0.51 –
Vas4.2 L +171%, worse
BL3.4 T·m −21%, worse
Xmax2.5 mm +9%
Sensitivity86.2 dB –
Tang BandW3-315E
£32.19 · 51% less, betterFs100 Hz –
Qts0.52 –
Vas1.7 L +7%
BL3.9 T·m −10%
Xmax1.3 mm −46%, worse
Sensitivity86.7 dB +0.8
WavecorWF095WA02
£41.14 · 38% less, betterFs86 Hz −14%, better
Qts0.62 +22%, worse
Vas1.6 L –
BL3.6 T·m −16%, worse
Xmax2.7 mm +17%, better
Sensitivity83.7 dB −2.2, worse
CelestionAN3510
£41.86 · 37% less, betterFs113 Hz +13%, worse
Qts0.65 +27%, worse
Vas1.9 L +19%, worse
BL4.6 T·m +6%
Xmax2.3 mm –
Sensitivity87.7 dB +1.8
VisatonB 80
£72.39 · 9% more, worseFs110 Hz +10%, worse
Qts0.63 +24%, worse
Vas1.8 L +15%, worse
BL4.2 T·m −3%
Xmax2.2 mm −4%
Sensitivity87.4 dB +1.5
Dayton AudioDMA90-8
No current priceFs94 Hz −6%
Qts0.57 +12%, worse
Vas1.7 L +8%
BL4.7 T·m +9%
Xmax2.5 mm +9%
Sensitivity84.9 dB −1
WavecorSW084OM02
No current priceFs77 Hz −23%, better
Qts0.53 +4%
Vas1.7 L +8%
BL4.6 T·m +7%
Xmax4.5 mm +96%, better
Sensitivity83.4 dB −2.5, worse
CIARECX102
No current priceFs125 Hz +25%, worse
Qts0.43 −16%, better
Vas1.5 L −4%
BL4.3 T·m –
Xmax1.9 mm −17%, worse
Sensitivity89.6 dB +3.7, better
EminenceALPHA 4-4
No current priceFs120 Hz +20%, worse
Qts0.63 +24%, worse
Vas1.8 L +12%, worse
BL4.1 T·m −4%
Xmax2.6 mm +13%, better
Sensitivity88.4 dB +2.5, better
REDCATT35FR-2
No current priceFs128 Hz +28%, worse
Qts0.63 +24%, worse
Vas1.1 L −27%, better
BL4.8 T·m +12%, better
Xmax2.4 mm –
Sensitivity87.5 dB +1.6
Tang BandW3-1053SC
No current priceFs100 Hz –
Qts0.52 –
Vas1.8 L +13%, worse
BL3.7 T·m −14%, worse
Xmax0.75 mm −67%, worse
Sensitivity87 dB +1.1
CIARECM100
No current priceFs160 Hz +60%, worse
Qts0.43 −16%, better
Vas1.8 L +15%, worse
BL4.1 T·m −5%
Xmax1.9 mm −17%, worse
Sensitivity93.5 dB +7.6, better
MonacorSP-45/8
No current priceFs120 Hz +20%, worse
Qts0.55 +8%
Vas1.5 L −4%
BL3.4 T·m −21%, worse
Xmax0.75 mm −67%, worse
Sensitivity87.8 dB +1.9
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.7 out of 53 ratings · Checked 25 Oct 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Hifi Collective | £73.39, the lowest price | 4 in stock | Visit shop at Hifi Collective | |
Falcon Acoustics | £82.50 | 12% above the lowest price | In stock | Visit shop at Falcon Acoustics |
Willys-Hifi | £89.82 | 22% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
Lautsprechershop Import VAT and duty may apply | £66.31 | Stock not listed | Visit shop at Lautsprechershop | |
Hifisound Import VAT and duty may apply · under 7 working days | £73.98 | 0.8% above the lowest price | Back order (under 7 working days) | Visit shop at Hifisound |
SoundImports Import VAT and duty may apply | £78.25 | 6.6% above the lowest price | 7 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£92.95 → £89.82Down 3.4% from £92.95
- 30 SepWillys-Hifi£91.95 → £92.95Up 1.1% from £91.95
- 18 AugWillys-Hifi£92.95 → £91.95Down 1.1% from £92.95