GRS8FR-8
£17.70 · 65% less, betterFs45 Hz +7%
Qts0.56 −8%
Vas37.0 L +10%, worse
BL8.5 T·m +13%, better
Xmax3 mm −45%, worse
Sensitivity89.3 dB +2.1, better
8-inch LF driver · 38 mm voice coil · 60 W
REDCATT 82FHM 8Ω
8 Ω
No price for delivery to the UK
- Fs
- 42Hz
- Xmax
- 5.5mm
- SPL
- 87dB
- Pe
- 60W
- BL
- 7.6T·m
- Vd
- 117cm³
- Qts
- 0.61
- Vas
- 34L
REDCATT 82FHM is an 8-inch 8 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 42 Hz, Qts 0.61, Vas 33.6 L, Xmax 5.5 mm, sensitivity 87.2 dB, plus 117 cm³ Vd and 55 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 £50.27.
The published T/S values agree with each other
Thiele/Small
- Fs
- 42Hz
- Qts
- 0.61
- Qes
- 0.76
- Qms
- 3.1
- Vas
- 33.6L
- Re
- 5.7Ω
- Le
- 0.47mH
Motor and cone
- BL
- 7.6T·m
- Sd
- 214cm²
- Mms
- 28g
- Xmax
- 5.5mm
- Vd †
- 117cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 87.2dB
- Manufacturer sensitivity
- 88.3dB
- Power
- 60W
- Impedance
- 8Ω
- EBP †
- 55 · Sealed or vented
Size and mounting
- Diameter
- 223.5mm
- Cutout
- 189mm
- Bolt circle
- 210mm
- Weight
- 1.8kg
Other published values
- Xmech
- 10.45
- Power Peak
- 240
Other dimensions
- Mounting Depth
- 87.5
Sensitivity shows 87.2 dB, calculated from the T/S values. REDCATT publishes 88.3 dB, 1.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 8″
- BL
- 7.6T·m
- Fs
- 42Hz
- Le
- 0.47mH
- Re
- 5.7Ω
- Sd
- 214cm²
- Mms
- 28g
- Qes
- 0.76
- Qms
- 3.1
- Qts
- 0.61
- SPL
- 87.2dB
- Vas
- 33.6L
- Xmax
- 5.5mm
- Xmech
- 10.45
- Power
- 60W
- Impedance
- 8Ω
- Power Peak
- 240
- Sensitivity
- 88.3dB
- Calculated sensitivity †
- 87.2dB
- Manufacturer sensitivity
- 88.3dB
- Voice coil
- 38mm
- Weight
- 1.8kg
- Diameter
- 223.5mm
- Mounting Depth
- 87.5
- Cutout
- 189mm
- Bolt circle
- 210mm
02
Compare
Same-size drivers, compared with the 82FHM. Clear differences are green when better and red when worse.
This driver82FHM
Best price
£50.27
Fs
42 Hz
Qts
0.61
Vas
33.6 L
BL
7.6 T·m
Xmax
5.5 mm
Sensitivity
87.2 dB
Power
60 W
VisatonW 200
£26.00 · 48% less, betterFs46 Hz +10%
Qts0.63 +3%
Vas51 L +52%, worse
BL5.9 T·m −22%, worse
Xmax10 mm +83%, better
Sensitivity90 dB +2.8, better
REDCATT81FHW
£28.72 · 43% less, betterFs39 Hz −7%
Qts0.52 −15%, better
Vas21.5 L −36%, better
BL8.3 T·m +9%
Xmax6.1 mm +12%, better
Sensitivity85.5 dB −1.7
Dayton AudioDA175-8
£30.21 · 40% less, betterFs39 Hz −7%
Qts0.58 −5%
Vas16.3 L −51%, better
BL7.2 T·m −5%
Xmax4.3 mm −22%, worse
Sensitivity83.4 dB −3.8, worse
Dayton AudioPCS8-4
£30.21 · 40% less, betterFs43 Hz –
Qts0.49 −20%, better
Vas20.5 L −39%, better
BL8.4 T·m +11%, better
Xmax5 mm −8%
Sensitivity86.7 dB −0.5
GRS8SMP-8
£30.22 · 40% less, betterFs41 Hz –
Qts0.46 −25%, better
Vas32.5 L −3%
BL8.9 T·m +18%, better
Xmax5.5 mm –
Sensitivity88.1 dB +0.9
Sica8 H 1 CS
£33.71 · 33% less, betterFs50 Hz +18%, worse
Qts0.54 −11%, better
Vas27.8 L −17%, better
BL8.7 T·m +15%, better
Xmax4 mm −27%, worse
Sensitivity89.5 dB +2.3, better
FaitalPRO8FE200
£33.72 · 33% less, betterFs80 Hz +90%, worse
Qts0.63 +3%
Vas16.1 L −52%, better
BL8.2 T·m +8%
Xmax4.7 mm −14%, worse
Sensitivity93 dB +5.8, better
PRV Audio8MR450A
£33.93 · 32% less, betterFs65 Hz +55%, worse
Qts0.55 −10%
Vas34.9 L +4%
BL7.6 T·m –
Xmax4 mm −27%, worse
Sensitivity94.3 dB +7.1, better
MonacorSPX-200WP
£42.24 · 16% less, betterFs36 Hz −14%, better
Qts0.59 −3%
Vas60.5 L +80%, worse
BL6.8 T·m −10%, worse
Xmax2 mm −63%, worse
Sensitivity88.1 dB +0.9
Dayton AudioSD215A-88
£50.65 · Same priceFs31 Hz −26%, better
Qts0.39 −36%, better
Vas38.2 L +14%, worse
BL7.7 T·m –
Xmax6 mm +10%, better
Sensitivity86.1 dB −1.1
REDCATT8FHW-1
£52.38 · 4% moreFs41 Hz –
Qts0.60 –
Vas19.6 L −42%, better
BL7.9 T·m +4%
Xmax8.7 mm +60%, better
Sensitivity84.6 dB −2.6, worse
EminenceALPHA-8A
£54.66 · 9% more, worseFs73 Hz +74%, worse
Qts0.59 −3%
Vas17.7 L −47%, better
BL7.8 T·m +3%
Xmax3.2 mm −41%, worse
Sensitivity92.1 dB +4.9, better
REDCATT8FR
£66.69 · 33% more, worseFs53 Hz +26%, worse
Qts0.38 −38%, better
Vas36.8 L +10%
BL7.9 T·m +4%
Xmax5.8 mm +6%
Sensitivity93.4 dB +6.2, better
REDCATT8FHM
£84.44 · 68% more, worseFs38 Hz −10%
Qts0.39 −36%, better
Vas32.1 L −4%
BL8.2 T·m +8%
Xmax5 mm −8%
Sensitivity88.4 dB +1.2
WavecorWF182BD12
£119.38 · 137% more, worseFs30 Hz −30%, better
Qts0.37 −39%, better
Vas32.4 L −4%
BL8.2 T·m +8%
Xmax5.5 mm –
Sensitivity85.4 dB −1.8
Dayton AudioRSS210HF-4
£145.98 · 190% more, worseFs30 Hz −30%, better
Qts0.57 −7%
Vas23.7 L −29%, better
BL8.1 T·m +7%
Xmax9 mm +65%, better
Sensitivity81.5 dB −5.7, worse
WavecorWF182BD20
£190.08 · 278% more, worseFs30 Hz −30%, better
Qts0.37 −39%, better
Vas32.4 L −4%
BL8.2 T·m +8%
Xmax5.5 mm –
Sensitivity85.4 dB −1.8
WavecorWF182BD08
£192.36 · 283% more, worseFs33 Hz −20%, better
Qts0.29 −52%, better
Vas32.4 L −4%
BL8.5 T·m +12%, better
Xmax5.5 mm –
Sensitivity88.1 dB +0.9
HiViD8.4MKII
No current priceFs36 Hz −14%, better
Qts0.56 −8%
Vas40 L +19%, worse
BL7.1 T·m −6%
Xmax5 mm −8%
Sensitivity86.9 dB –
PRV Audio8MB500-4
No current priceFs72 Hz +71%, worse
Qts0.64 +5%
Vas17.3 L −49%, better
BL7.5 T·m –
Xmax4.5 mm −17%, worse
Sensitivity91.9 dB +4.7, better
HiViD8.8MKII
No current priceFs39 Hz −7%
Qts0.57 −7%
Vas38.1 L +13%, worse
BL9.6 T·m +27%, better
Xmax5 mm −8%
Sensitivity87.7 dB +0.5
CelestionTF0815RE
No current priceFs65 Hz +54%, worse
Qts0.53 −13%, better
Vas22.1 L −34%, better
BL8.9 T·m +18%, better
Xmax5.3 mm −4%
Sensitivity91.7 dB +4.5, better
WavecorWF182BD04
No current priceFs34 Hz −20%, better
Qts0.25 −59%, better
Vas32.4 L −4%
BL6.8 T·m −11%, worse
Xmax5.5 mm –
Sensitivity88.9 dB +1.7
Lii AudioCRYSTAL 8
No current priceFs38 Hz −11%, better
Qts0.63 –
Vas120 L +257%, worse
BL3.3 T·m −56%, worse
Xmax6 mm +10%, better
Sensitivity91.3 dB +4.1, better
WavecorWF182BD10
No current priceFs29 Hz −32%, better
Qts0.31 −49%, better
Vas32.4 L −4%
BL6.5 T·m −14%, worse
Xmax5.5 mm –
Sensitivity85.7 dB −1.5
WavecorWF182BD18
No current priceFs29 Hz −32%, better
Qts0.31 −49%, better
Vas32.4 L −4%
BL6.5 T·m −14%, worse
Xmax5.5 mm –
Sensitivity85.7 dB −1.5
Tang BandW8-2282
No current priceFs35 Hz −17%, better
Qts0.66 +8%
Vas12.9 L −62%, better
BL10.8 T·m +42%, better
Xmax5 mm −8%
Sensitivity80.7 dB −6.5, worse
PRV Audio8MB500
No current priceFs69 Hz +65%, worse
Qts0.75 +23%, worse
Vas19.4 L −42%, better
BL8.7 T·m +15%, better
Xmax4.5 mm −17%, worse
Sensitivity91.2 dB +4, better
CIARECW200Z
No current priceFs49 Hz +17%, worse
Qts0.53 −13%, better
Vas38.3 L +14%, worse
BL5.2 T·m −32%, worse
Xmax4 mm −27%, worse
Sensitivity90.1 dB +2.9, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
None of the shops we track lists delivery to the UK at checkout.