SB AudienceBIANCO-8MW125
£37.54Fs89 Hz +11%, worse
Qts0.55 +10%, worse
Vas10.1 L −11%, better
BL11.3 T·m +11%, better
Xmax6.4 mm +185%, better
Sensitivity93 dB +0.6
8-inch LF driver · 51 mm voice coil · 200 W
REDCATT 81FIND 8Ω
8 Ω
No price for delivery to the UK
- Fs
- 80Hz
- Xmax
- 2.3mm
- SPL
- 92dB
- Pe
- 200W
- BL
- 10.2T·m
- Vd
- 48cm³
- Qts
- 0.50
- Vas
- 11L
REDCATT 81FIND is an 8-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 80 Hz, Qts 0.50, Vas 11.3 L, Xmax 2.3 mm, sensitivity 92.4 dB, plus 48 cm³ Vd and 151 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 80Hz
- Qts
- 0.50
- Qes
- 0.53
- Qms
- 8.3
- Vas
- 11.3L
- Re
- 4.7Ω
- Le
- 0.44mH
Motor and cone
- BL
- 10.2T·m
- Sd
- 214cm²
- Mms
- 23g
- Xmax
- 2.3mm
- Vd †
- 48cm³
- Voice coil
- 51mm
Power and response
- Sensitivity †
- 92.4dB
- Manufacturer sensitivity
- 94.7dB
- Power
- 200W
- Impedance
- 8Ω
- EBP †
- 151 · Leans vented
Size and mounting
- Diameter
- 209mm
- Cutout
- 180mm
- Bolt circle
- 197mm
- Weight
- 2.8kg
Other published values
- Xmech
- 10.25
- Power Peak
- 800
Other dimensions
- Mounting Depth
- 91.5
Sensitivity shows 92.4 dB, calculated from the T/S values. REDCATT publishes 94.7 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 8″
- BL
- 10.2T·m
- Fs
- 80Hz
- Le
- 0.44mH
- Re
- 4.7Ω
- Sd
- 214cm²
- Mms
- 23g
- Qes
- 0.53
- Qms
- 8.3
- Qts
- 0.50
- SPL
- 92.4dB
- Vas
- 11.3L
- Xmax
- 2.3mm
- Xmech
- 10.25
- Power
- 200W
- Impedance
- 8Ω
- Power Peak
- 800
- Sensitivity
- 94.7dB
- Calculated sensitivity †
- 92.4dB
- Manufacturer sensitivity
- 94.7dB
- Voice coil
- 51mm
- Weight
- 2.8kg
- Diameter
- 209mm
- Mounting Depth
- 91.5
- Cutout
- 180mm
- Bolt circle
- 197mm
02
Compare
Same-size drivers, compared with the 81FIND. Clear differences are green when better and red when worse.
This driver81FIND
Best price
–
Fs
80 Hz
Qts
0.50
Vas
11.3 L
BL
10.2 T·m
Xmax
2.3 mm
Sensitivity
92.4 dB
Power
200 W
Dayton AudioMB820-8
£37.76Fs69 Hz −14%, better
Qts0.46 −8%
Vas15.8 L +40%, worse
BL9.6 T·m −6%
Xmax4 mm +78%, better
Sensitivity92 dB –
Beyma8CMV2
£44.94Fs75 Hz −6%
Qts0.52 +4%
Vas14.6 L +29%, worse
BL9.6 T·m −6%
Xmax5.7 mm +153%, better
Sensitivity92.5 dB –
Dayton AudioPA200-8
£45.32Fs55 Hz −31%, better
Qts0.48 −4%
Vas26.6 L +135%, worse
BL9.3 T·m −9%
Xmax3 mm +33%, better
Sensitivity91.5 dB −0.9
PeerlessGBS-200F35CP02-04
£54.66Fs42 Hz −48%, better
Qts0.44 −12%, better
Vas13.9 L +23%, worse
BL11.7 T·m +15%, better
Xmax7.8 mm +245%, better
Sensitivity85.4 dB −7, worse
FaitalPRO8FE400
£54.87Fs100 Hz +25%, worse
Qts0.53 +6%
Vas9.4 L −17%, better
BL10.5 T·m –
Xmax4.8 mm +112%, better
Sensitivity94.1 dB +1.7
FaitalPROW8N8-150
£55.00Fs76 Hz −5%
Qts0.52 +4%
Vas14.4 L +27%, worse
BL9.9 T·m –
Xmax5.5 mm +145%, better
Sensitivity92.3 dB –
CIAREPM200N
£58.29Fs99 Hz +24%, worse
Qts0.50 –
Vas7.7 L −32%, better
BL11.2 T·m +10%
Xmax3.5 mm +56%, better
Sensitivity93.1 dB +0.7
CIAREPM203
£70.12Fs91 Hz +14%, worse
Qts0.54 +8%
Vas10 L −12%, better
BL10.1 T·m –
Xmax4.4 mm +96%, better
Sensitivity92.7 dB –
GRS8SW-4HE-8
£71.77Fs25 Hz −69%, better
Qts0.45 −10%
Vas31.7 L +181%, worse
BL10.5 T·m –
Xmax10.8 mm +380%, better
Sensitivity81.9 dB −10.5, worse
Beyma8MI100
£73.79Fs90 Hz +13%, worse
Qts0.45 −10%
Vas12 L +6%
BL11.5 T·m +13%, better
Xmax3 mm +33%, better
Sensitivity94.6 dB +2.2, better
CelestionFTR08-2011D
£99.00Fs86 Hz +8%
Qts0.44 −13%, better
Vas9.0 L −20%, better
BL12.7 T·m +25%, better
Xmax5.5 mm +144%, better
Sensitivity92.3 dB –
CelestionNTR08-2011D
£125.00Fs85 Hz +6%
Qts0.44 −13%, better
Vas10.3 L −9%
BL12.0 T·m +17%, better
Xmax6 mm +167%, better
Sensitivity92.7 dB –
FaitalPRO8PR150
£135.13Fs75 Hz −6%
Qts0.48 −4%
Vas16.2 L +43%, worse
BL10.4 T·m –
Xmax5 mm +122%, better
Sensitivity93.1 dB +0.7
WavecorSW215WA01
£147.76Fs33 Hz −59%, better
Qts0.49 –
Vas26 L +130%, worse
BL8.4 T·m −17%, worse
Xmax10 mm +344%, better
Sensitivity84.7 dB −7.7, worse
Dayton AudioE180HE-44
£160.43Fs35 Hz −56%, better
Qts0.46 −8%
Vas16.1 L +43%, worse
BL9.6 T·m −6%
Xmax14.7 mm +553%, better
Sensitivity83.1 dB −9.3, worse
WavecorSW182BD04
£162.63Fs37 Hz −53%, better
Qts0.49 –
Vas12.7 L +12%, worse
BL10.2 T·m –
Xmax7 mm +211%, better
Sensitivity83.1 dB −9.3, worse
VoltSB220.1
£285.12Fs27 Hz −66%, better
Qts0.49 –
Vas37.4 L +231%, worse
BL9.7 T·m −5%
Xmax12 mm +433%, better
Sensitivity83.5 dB −8.9, worse
LavoceCPF082.00K
No current priceFs93 Hz +16%, worse
Qts0.46 −8%
Vas11.1 L –
BL10.9 T·m +7%
Xmax3.3 mm +47%, better
Sensitivity94.4 dB +2, better
No photo
PHL Audio2560-3
No current priceFs79 Hz –
Qts0.45 −10%
Vas10.7 L −5%
BL10.4 T·m –
Xmax5.5 mm +144%, better
Sensitivity92.3 dB –
Beyma8CX300FE
No current priceFs89 Hz +11%, worse
Qts0.55 +10%, worse
Vas10.8 L −4%
BL9.6 T·m −6%
Xmax6 mm +167%, better
Sensitivity92.9 dB +0.5
No photo
PHL Audio2001
No current priceFs77 Hz −4%
Qts0.53 +6%
Vas13.8 L +22%, worse
BL9.5 T·m −7%
Xmax5.5 mm +144%, better
Sensitivity92.2 dB –
No photo
PHL Audio2001NDU
No current priceFs77 Hz −4%
Qts0.53 +6%
Vas13.8 L +22%, worse
BL9.5 T·m −7%
Xmax5.5 mm +144%, better
Sensitivity92.2 dB –
CIARECM200N
No current priceFs94 Hz +18%, worse
Qts0.46 −8%
Vas8.8 L −22%, better
BL8.6 T·m −16%, worse
Xmax3.8 mm +69%, better
Sensitivity93.5 dB +1.1
FaitalPRO8HX210
No current priceFs83 Hz +4%
Qts0.44 −12%, better
Vas10.1 L −11%, better
BL11.9 T·m +16%, better
Xmax6.5 mm +190%, better
Sensitivity92.7 dB –
Supravox215 RTF 64 BI-CÔNE
No current priceFs57 Hz −29%, better
Qts0.46 −8%
Vas80 L +608%, worse
BL6.5 T·m −36%, worse
Xmax2.3 mm –
Sensitivity96.5 dB +4.1, better
EminenceFS8.20A8
No current priceFs74 Hz −8%
Qts0.52 +4%
Vas6 L −47%, better
BL8.9 T·m −13%, worse
Xmax5 mm +122%, better
Sensitivity88.4 dB −4, worse
MonacorSP-8/150PA
No current priceFs88 Hz +10%, worse
Qts0.43 −14%, better
Vas12 L +6%
BL12.6 T·m +24%, better
Xmax1.3 mm −44%, worse
Sensitivity94.3 dB +1.9
LavoceNBASS08-20
No current priceFs55 Hz −31%, better
Qts0.48 −4%
Vas18.4 L +63%, worse
BL11.3 T·m +11%, better
Xmax6.5 mm +189%, better
Sensitivity89.9 dB −2.5, worse
Cube AudioF8 NEO V2
No current priceFs39 Hz −51%, better
Qts0.47 −6%
Vas45 L +298%, worse
BL9.5 T·m −7%
Xmax3 mm +33%, better
Sensitivity89.5 dB −2.9, worse
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.