Dayton AudioSIG180-4
£41.54 · 51% less, betterFs41 Hz +7%
Qts0.38 –
Vas23.2 L −28%, better
BL6.6 T·m −19%, worse
Xmax5 mm –
Sensitivity87.8 dB −0.6
8-inch LF driver · 36 mm voice coil · 50 W
REDCATT 8FHM 4Ω
4 Ω
£85.33
Lautsprecherteile · 50 in stock · All 1 offer
- Fs
- 38Hz
- Xmax
- 5mm
- SPL
- 88dB
- Pe
- 50W
- BL
- 8.2T·m
- Vd
- 103cm³
- Qts
- 0.39
- Vas
- 32L
REDCATT 8FHM is an 8-inch 4 ohm LF driver rated at 50 W RMS. The validated T/S data includes Fs 38 Hz, Qts 0.39, Vas 32.1 L, Xmax 5 mm, sensitivity 88.4 dB, plus 103 cm³ Vd and 93 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £85.33.
The published T/S values agree with each other
Thiele/Small
- Fs
- 38Hz
- Qts
- 0.39
- Qes
- 0.41
- Qms
- 12.9
- Vas
- 32.1L
- Re
- 3.6Ω
- Le
- 0.46mH
Motor and cone
- BL
- 8.2T·m
- Sd
- 206cm²
- Mms
- 32g
- Xmax
- 5mm
- Vd †
- 103cm³
- Voice coil
- 36mm
Power and response
- Sensitivity †
- 88.4dB
- Manufacturer sensitivity
- 89dB
- Power
- 50W
- Impedance
- 4Ω
- EBP †
- 93 · Sealed or vented
Size and mounting
- Diameter
- 223.5mm
- Cutout
- 189mm
- Bolt circle
- 210mm
- Weight
- 2.8kg
Other published values
- Xmech
- 13
- Power Peak
- 200
Other dimensions
- Mounting Depth
- 94.5
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 8″
- BL
- 8.2T·m
- Fs
- 38Hz
- Le
- 0.46mH
- Re
- 3.6Ω
- Sd
- 206cm²
- Mms
- 32g
- Qes
- 0.41
- Qms
- 12.9
- Qts
- 0.39
- SPL
- 88.4dB
- Vas
- 32.1L
- Xmax
- 5mm
- Xmech
- 13
- Power
- 50W
- Impedance
- 4Ω
- Power Peak
- 200
- Sensitivity
- 89dB
- Calculated sensitivity †
- 88.4dB
- Manufacturer sensitivity
- 89dB
- Voice coil
- 36mm
- Weight
- 2.8kg
- Diameter
- 223.5mm
- Mounting Depth
- 94.5
- Cutout
- 189mm
- Bolt circle
- 210mm
02
Compare
Same-size drivers, compared with the 8FHM. Clear differences are green when better and red when worse.
This driver8FHM
Best price
£85.33
Fs
38 Hz
Qts
0.39
Vas
32.1 L
BL
8.2 T·m
Xmax
5 mm
Sensitivity
88.4 dB
Power
50 W
Dayton AudioDA215-8
£42.30 · 50% less, betterFs35 Hz −8%
Qts0.37 −5%
Vas42.7 L +33%, worse
BL10 T·m +22%, better
Xmax5.3 mm +6%
Sensitivity88.1 dB –
Dayton AudioSD215A-88
£51.18 · 40% less, betterFs31 Hz −18%, better
Qts0.39 –
Vas38.2 L +19%, worse
BL7.7 T·m −6%
Xmax6 mm +20%, better
Sensitivity86.1 dB −2.3, worse
HiViF8
£53.74 · 37% less, betterFs37 Hz –
Qts0.40 –
Vas38.8 L +21%, worse
BL10.3 T·m +26%, better
Xmax5 mm –
Sensitivity88.5 dB –
CelestionTRUVOX 0820
£59.70 · 30% less, betterFs74 Hz +95%, worse
Qts0.39 –
Vas17.3 L −46%, better
BL11.5 T·m +41%, better
Xmax5 mm –
Sensitivity94.3 dB +5.9, better
CIAREHW172
£64.03 · 25% less, betterFs46 Hz +21%, worse
Qts0.37 −5%
Vas20 L −38%, better
BL7.6 T·m −7%
Xmax4.5 mm −10%, worse
Sensitivity88.4 dB –
REDCATT8FR
£67.40 · 21% less, betterFs53 Hz +39%, worse
Qts0.38 −3%
Vas36.8 L +15%, worse
BL7.9 T·m −4%
Xmax5.8 mm +16%, better
Sensitivity93.4 dB +5, better
PRV Audio8MR600X-4
£67.94 · 20% less, betterFs77 Hz +103%, worse
Qts0.34 −13%, better
Vas19.6 L −39%, better
BL8.9 T·m +9%
Xmax5.1 mm –
Sensitivity96 dB +7.6, better
Scanspeak22W/8534G00
£85.75 · Same priceFs30 Hz −21%, better
Qts0.39 –
Vas94.2 L +193%, worse
BL7.8 T·m −5%
Xmax5.8 mm +16%, better
Sensitivity89.7 dB +1.3
PRV Audio8MR600X
£96.43 · 13% more, worseFs77 Hz +102%, worse
Qts0.40 –
Vas20.0 L −38%, better
BL10.5 T·m +29%, better
Xmax5.3 mm +5%
Sensitivity95.3 dB +6.9, better
WavecorWF182BD12
£119.39 · 40% more, worseFs30 Hz −22%, better
Qts0.37 −5%
Vas32.4 L –
BL8.2 T·m –
Xmax5.5 mm +10%, better
Sensitivity85.4 dB −3, worse
Dayton AudioPM220-8
£152.82 · 79% more, worseFs49 Hz +29%, worse
Qts0.38 –
Vas63 L +96%, worse
BL7.2 T·m −12%, worse
Xmax4.6 mm −8%
Sensitivity94.6 dB +6.2, better
ETON8-512/C8/32 HEX
£187.78 · 120% more, worseFs27 Hz −29%, better
Qts0.40 –
Vas102 L +218%, worse
BL7.8 T·m −5%
Xmax5.5 mm +10%, better
Sensitivity88.7 dB –
WavecorWF182BD20
£192.09 · 125% more, worseFs30 Hz −22%, better
Qts0.37 −5%
Vas32.4 L –
BL8.2 T·m –
Xmax5.5 mm +10%, better
Sensitivity85.4 dB −3, worse
WavecorWF223BD01
£209.43 · 145% more, worseFs33 Hz −14%, better
Qts0.39 –
Vas45 L +40%, worse
BL7.7 T·m −6%
Xmax6.5 mm +30%, better
Sensitivity87.9 dB −0.5
Scanspeak18WU/8747T00
£290.23 · 240% more, worseFs36 Hz −5%
Qts0.38 –
Vas36.2 L +13%, worse
BL7.4 T·m −10%
Xmax9 mm +80%, better
Sensitivity88 dB –
Scanspeak18WU/8741T00
£315.85 · 270% more, worseFs35 Hz −8%
Qts0.39 –
Vas37.1 L +16%, worse
BL7.3 T·m −11%, worse
Xmax9 mm +80%, better
Sensitivity87.6 dB −0.8
AccutonC173-6-191
£341.46 · 300% more, worseFs39 Hz –
Qts0.34 −13%, better
Vas21.6 L −33%, better
BL8.8 T·m +7%
Xmax5 mm –
Sensitivity87.3 dB −1.1
£401.22 · 370% more, worse
Fs25 Hz −34%, better
Qts0.34 −13%, better
Vas98 L +205%, worse
BL8.1 T·m –
Xmax5 mm –
Sensitivity87.8 dB −0.6
AccutonS220-6-221
£453.34 · 431% more, worseFs22 Hz −42%, better
Qts0.37 −5%
Vas112.9 L +252%, worse
BL8.3 T·m –
Xmax5 mm –
Sensitivity87 dB −1.4
AccutonC220-6-221
£512.21 · 500% more, worseFs26 Hz −31%, better
Qts0.40 –
Vas86.2 L +169%, worse
BL8.7 T·m +6%
Xmax5 mm –
Sensitivity87.8 dB −0.6
WavecorWF182BD11
No current priceFs34 Hz −11%, better
Qts0.42 +8%
Vas24.3 L −24%, better
BL8.2 T·m –
Xmax5.5 mm +10%, better
Sensitivity85.4 dB −3, worse
WavecorWF182BD19
No current priceFs34 Hz −11%, better
Qts0.42 +8%
Vas24.3 L −24%, better
BL8.2 T·m –
Xmax5.5 mm +10%, better
Sensitivity85.4 dB −3, worse
CIARECME201
No current priceFs60 Hz +58%, worse
Qts0.40 –
Vas21.5 L −33%, better
BL7.5 T·m −8%
Xmax4.5 mm −10%, worse
Sensitivity92.3 dB +3.9, better
Eighteen Sound8MB400
No current priceFs64 Hz +68%, worse
Qts0.38 –
Vas23.9 L −26%, better
BL9.3 T·m +14%, better
Xmax5.8 mm +16%, better
Sensitivity93.7 dB +5.3, better
PRV AudioMT8MB600CF-NDY-4
No current priceFs65 Hz +70%, worse
Qts0.37 −5%
Vas18.8 L −41%, better
BL9.3 T·m +14%, better
Xmax4.8 mm −5%
Sensitivity93.3 dB +4.9, better
Oberton8CX
No current priceFs76 Hz +100%, worse
Qts0.40 –
Vas16.8 L −48%, better
BL9.4 T·m +15%, better
Xmax5.3 mm +5%
Sensitivity94.3 dB +5.9, better
WavecorWF182BD07
No current priceFs40 Hz +5%
Qts0.34 −13%, better
Vas24.4 L −24%, better
BL8.5 T·m +4%
Xmax5.5 mm +10%, better
Sensitivity88.5 dB –
REDCATT8FHW-2
No current priceFs36 Hz −5%
Qts0.35 −10%, better
Vas34.3 L +7%
BL8.6 T·m +5%
Xmax3.6 mm −27%, worse
Sensitivity88.3 dB –
CIARECMI200ND
No current priceFs80 Hz +111%, worse
Qts0.37 −5%
Vas12.5 L −61%, better
BL8.8 T·m +7%
Xmax4.5 mm −10%, worse
Sensitivity94.2 dB +5.8, 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 |
|---|---|---|---|---|
Lautsprecherteile | £85.33, the lowest price | 50 in stock | Visit shop at Lautsprecherteile |
Best price over time
Tracked since 1 Oct