Dayton AudioSIG180-4
£41.54 · 38% less, betterFs41 Hz −24%, better
Qts0.38 –
Vas23.2 L −37%, better
BL6.6 T·m −16%, worse
Xmax5 mm −14%, worse
Sensitivity87.8 dB −5.6, worse
8-inch LF driver · 41 mm voice coil · 30 W
REDCATT 8FR 4Ω
4 Ω
£67.40
Lautsprecherteile · 54 in stock · All 1 offer
- Fs
- 53Hz
- Xmax
- 5.8mm
- SPL
- 93dB
- Pe
- 30W
- BL
- 7.9T·m
- Vd
- 124cm³
- Qts
- 0.38
- Vas
- 37L
REDCATT 8FR is an 8-inch 4 ohm LF driver rated at 30 W RMS. The validated T/S data includes Fs 53 Hz, Qts 0.38, Vas 36.8 L, Xmax 5.8 mm, sensitivity 93.4 dB, plus 124 cm³ Vd and 134 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £67.40.
The published T/S values agree with each other
Thiele/Small
- Fs
- 53Hz
- Qts
- 0.38
- Qes
- 0.40
- Qms
- 8.5
- Vas
- 36.8L
- Re
- 3.8Ω
- Le
- 0.08mH
Motor and cone
- BL
- 7.9T·m
- Sd
- 214cm²
- Mms
- 18g
- Xmax
- 5.8mm
- Vd †
- 124cm³
- Voice coil
- 41mm
Power and response
- Sensitivity †
- 93.4dB
- Manufacturer sensitivity
- 93dB
- Power
- 30W
- Impedance
- 4Ω
- EBP †
- 134 · Leans vented
Size and mounting
- Diameter
- 210mm
- Cutout
- 186.9mm
- Bolt circle
- 195.5mm
- Weight
- 2.5kg
Other published values
- Xmech
- 11.8
- Power Peak
- 120
Other dimensions
- Mounting Depth
- 91.8
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 8″
- BL
- 7.9T·m
- Fs
- 53Hz
- Le
- 0.08mH
- Re
- 3.8Ω
- Sd
- 214cm²
- Mms
- 18g
- Qes
- 0.40
- Qms
- 8.5
- Qts
- 0.38
- SPL
- 93.4dB
- Vas
- 36.8L
- Xmax
- 5.8mm
- Xmech
- 11.8
- Power
- 30W
- Impedance
- 4Ω
- Power Peak
- 120
- Sensitivity
- 93dB
- Calculated sensitivity †
- 93.4dB
- Manufacturer sensitivity
- 93dB
- Voice coil
- 41mm
- Weight
- 2.5kg
- Diameter
- 210mm
- Mounting Depth
- 91.8
- Cutout
- 186.9mm
- Bolt circle
- 195.5mm
02
Compare
Same-size drivers, compared with the 8FR. Clear differences are green when better and red when worse.
This driver8FR
Best price
£67.40
Fs
53 Hz
Qts
0.38
Vas
36.8 L
BL
7.9 T·m
Xmax
5.8 mm
Sensitivity
93.4 dB
Power
30 W
Dayton AudioDA215-8
£42.30 · 37% less, betterFs35 Hz −34%, better
Qts0.37 –
Vas42.7 L +16%, worse
BL10 T·m +27%, better
Xmax5.3 mm −9%
Sensitivity88.1 dB −5.3, worse
Dayton AudioSD215A-88
£51.18 · 24% less, betterFs31 Hz −42%, better
Qts0.39 +3%
Vas38.2 L +4%
BL7.7 T·m –
Xmax6 mm +3%
Sensitivity86.1 dB −7.3, worse
Dayton AudioDSA215-8
£56.66 · 16% less, betterFs35 Hz −34%, better
Qts0.33 −13%, better
Vas37.4 L –
BL10.6 T·m +35%, better
Xmax5.5 mm −5%
Sensitivity88.1 dB −5.3, worse
Dayton AudioRS180-8
£60.44 · 10% less, betterFs36 Hz −33%, better
Qts0.31 −18%, better
Vas24.4 L −34%, better
BL7.8 T·m –
Xmax6 mm +3%
Sensitivity86.3 dB −7.1, worse
Dayton AudioRS180P-8
£60.44 · 10% less, betterFs46 Hz −14%, better
Qts0.34 −10%, better
Vas22 L −40%, better
BL7.2 T·m −9%
Xmax6 mm +3%
Sensitivity88.8 dB −4.6, worse
Dayton AudioRS225P-4A
£67.99 · Same priceFs38 Hz −29%, better
Qts0.38 –
Vas45.8 L +24%, worse
BL6.4 T·m −19%, worse
Xmax6 mm +3%
Sensitivity89.1 dB −4.3, worse
HiViE8
£71.77 · 6% more, worseFs34 Hz −36%, better
Qts0.37 –
Vas49.8 L +35%, worse
BL9.9 T·m +26%, better
Xmax5.9 mm –
Sensitivity88.6 dB −4.8, worse
REDCATT8FHM
£85.33 · 27% more, worseFs38 Hz −28%, better
Qts0.39 +3%
Vas32.1 L −13%, better
BL8.2 T·m +4%
Xmax5 mm −14%, worse
Sensitivity88.4 dB −5, worse
Scanspeak22W/8534G00
£85.75 · 27% more, worseFs30 Hz −43%, better
Qts0.39 +3%
Vas94.2 L +156%, worse
BL7.8 T·m –
Xmax5.8 mm –
Sensitivity89.7 dB −3.7, worse
Dayton AudioRS180S-8
£93.83 · 39% more, worseFs38 Hz −29%, better
Qts0.36 −5%
Vas23 L −37%, better
BL7.3 T·m −7%
Xmax6 mm +3%
Sensitivity86 dB −7.4, worse
WavecorWF182BD12
£119.39 · 77% more, worseFs30 Hz −44%, better
Qts0.37 –
Vas32.4 L −12%, better
BL8.2 T·m +4%
Xmax5.5 mm −5%
Sensitivity85.4 dB −8, worse
Eighteen Sound8NMB420
£121.21 · 80% more, worseFs59 Hz +11%, worse
Qts0.31 −18%, better
Vas31 L −16%, better
BL7 T·m −11%, worse
Xmax5.8 mm –
Sensitivity94.8 dB +1.4
Eighteen Sound8MB500
£121.75 · 81% more, worseFs73 Hz +38%, worse
Qts0.36 −5%
Vas18.4 L −50%, better
BL7.2 T·m −8%
Xmax6 mm +3%
Sensitivity94.3 dB +0.9
WavecorWF182BD17
£123.17 · 83% more, worseFs33 Hz −38%, better
Qts0.35 −7%
Vas24.3 L −34%, better
BL6.5 T·m −17%, worse
Xmax5.5 mm −5%
Sensitivity85.8 dB −7.6, worse
Scanspeak18W/8542-10
£157.04 · 133% more, worseFs43 Hz −19%, better
Qts0.35 −7%
Vas26 L −29%, better
BL6.9 T·m −12%, worse
Xmax6.5 mm +12%, better
Sensitivity88.7 dB −4.7, worse
ETON8-512/C8/32 HEX
£187.78 · 179% more, worseFs27 Hz −49%, better
Qts0.40 +6%
Vas102 L +177%, worse
BL7.8 T·m –
Xmax5.5 mm −5%
Sensitivity88.7 dB −4.7, worse
WavecorWF182BD20
£192.09 · 185% more, worseFs30 Hz −44%, better
Qts0.37 –
Vas32.4 L −12%, better
BL8.2 T·m +4%
Xmax5.5 mm −5%
Sensitivity85.4 dB −8, worse
Eighteen Sound8CX401F
£199.68 · 196% more, worseFs56 Hz +6%
Qts0.34 −10%, better
Vas23.9 L −35%, better
BL9.3 T·m +18%, better
Xmax5.8 mm –
Sensitivity92.5 dB −0.9
WavecorWF223BD01
£209.43 · 211% more, worseFs33 Hz −38%, better
Qts0.39 +3%
Vas45 L +22%, worse
BL7.7 T·m –
Xmax6.5 mm +12%, better
Sensitivity87.9 dB −5.5, worse
Scanspeak18WU/8747T00
£290.23 · 331% more, worseFs36 Hz −32%, better
Qts0.38 –
Vas36.2 L –
BL7.4 T·m −6%
Xmax9 mm +55%, better
Sensitivity88 dB −5.4, worse
Scanspeak18WU/8741T00
£315.85 · 369% more, worseFs35 Hz −34%, better
Qts0.39 +3%
Vas37.1 L –
BL7.3 T·m −7%
Xmax9 mm +55%, better
Sensitivity87.6 dB −5.8, worse
AccutonS220-6-221
£453.34 · 573% more, worseFs22 Hz −58%, better
Qts0.37 –
Vas112.9 L +207%, worse
BL8.3 T·m +5%
Xmax5 mm −14%, worse
Sensitivity87 dB −6.4, worse
Eighteen Sound8MB400
No current priceFs64 Hz +21%, worse
Qts0.38 –
Vas23.9 L −35%, better
BL9.3 T·m +18%, better
Xmax5.8 mm –
Sensitivity93.7 dB –
WavecorWF182BD11
No current priceFs34 Hz −36%, better
Qts0.42 +11%, worse
Vas24.3 L −34%, better
BL8.2 T·m +4%
Xmax5.5 mm −5%
Sensitivity85.4 dB −8, worse
WavecorWF182BD19
No current priceFs34 Hz −36%, better
Qts0.42 +11%, worse
Vas24.3 L −34%, better
BL8.2 T·m +4%
Xmax5.5 mm −5%
Sensitivity85.4 dB −8, worse
WavecorWF182BD07
No current priceFs40 Hz −25%, better
Qts0.34 −10%, better
Vas24.4 L −34%, better
BL8.5 T·m +8%
Xmax5.5 mm −5%
Sensitivity88.5 dB −4.9, worse
WavecorWF182BD09
No current priceFs33 Hz −38%, better
Qts0.35 −7%
Vas24.3 L −34%, better
BL6.5 T·m −17%, worse
Xmax5.5 mm −5%
Sensitivity85.8 dB −7.6, worse
WavecorWF223BD02
No current priceFs31 Hz −42%, better
Qts0.37 –
Vas49.5 L +35%, worse
BL9.5 T·m +21%, better
Xmax6.5 mm +12%, better
Sensitivity87.9 dB −5.5, worse
REDCATT8FHW-2
No current priceFs36 Hz −32%, better
Qts0.35 −7%
Vas34.3 L −7%
BL8.6 T·m +9%
Xmax3.6 mm −37%, worse
Sensitivity88.3 dB −5.1, worse
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 |
|---|---|---|---|---|
Lautsprecherteile | £67.40, the lowest price | 54 in stock | Visit shop at Lautsprecherteile |
Best price over time
Tracked since 1 Oct