FaitalPRO8RS250
£62.00Fs56 Hz −22%, better
Qts0.32 −3%
Vas18.3 L +78%, worse
BL13.5 T·m −19%, worse
Xmax6.9 mm +15%, better
Sensitivity91.8 dB −0.8
8-inch LF driver · 76 mm voice coil · 200 W
REDCATT 81NPM-1 8Ω
8 Ω
No current price
- Fs
- 72Hz
- Xmax
- 6mm
- SPL
- 93dB
- Pe
- 200W
- BL
- 16.7T·m
- Vd
- 131cm³
- Qts
- 0.33
- Vas
- 10L
REDCATT 81NPM-1 is an 8-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 72 Hz, Qts 0.33, Vas 10.3 L, Xmax 6 mm, sensitivity 92.6 dB, plus 131 cm³ Vd and 212 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
- 72Hz
- Qts
- 0.33
- Qes
- 0.34
- Qms
- 8.0
- Vas
- 10.3L
- Re
- 5.2Ω
- Le
- 0.50mH
Motor and cone
- BL
- 16.7T·m
- Sd
- 219cm²
- Mms
- 41g
- Xmax
- 6mm
- Vd †
- 131cm³
- Voice coil
- 76mm
Power and response
- Sensitivity †
- 92.6dB
- Manufacturer sensitivity
- 93dB
- Power
- 200W
- Impedance
- 8Ω
- EBP †
- 212 · Leans vented
Size and mounting
- Diameter
- 210mm
- Cutout
- 186.9mm
- Bolt circle
- 195.5mm
- Weight
- 3.2kg
Other published values
- Xmech
- 16.5
- Power Peak
- 800
Other dimensions
- Mounting Depth
- 101.3
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 8″
- BL
- 16.7T·m
- Fs
- 72Hz
- Le
- 0.50mH
- Re
- 5.2Ω
- Sd
- 219cm²
- Mms
- 41g
- Qes
- 0.34
- Qms
- 8.0
- Qts
- 0.33
- SPL
- 92.6dB
- Vas
- 10.3L
- Xmax
- 6mm
- Xmech
- 16.5
- Power
- 200W
- Impedance
- 8Ω
- Power Peak
- 800
- Sensitivity
- 93dB
- Calculated sensitivity †
- 92.6dB
- Manufacturer sensitivity
- 93dB
- Voice coil
- 76mm
- Weight
- 3.2kg
- Diameter
- 210mm
- Mounting Depth
- 101.3
- Cutout
- 186.9mm
- Bolt circle
- 195.5mm
02
Compare
Same-size drivers, compared with the 81NPM-1. Clear differences are green when better and red when worse.
This driver81NPM-1
Best price
–
Fs
72 Hz
Qts
0.33
Vas
10.3 L
BL
16.7 T·m
Xmax
6 mm
Sensitivity
92.6 dB
Power
200 W
LavoceWAF082.00
£71.42Fs78 Hz +8%
Qts0.37 +12%, worse
Vas11.9 L +16%, worse
BL12.5 T·m −25%, worse
Xmax6.3 mm +5%
Sensitivity93.4 dB +0.8
Beyma8WRS300
£75.85Fs65 Hz −10%
Qts0.28 −15%, better
Vas15 L +46%, worse
BL15.2 T·m −9%
Xmax6 mm –
Sensitivity93.4 dB +0.8
B&C8PS21
£81.29Fs73 Hz –
Qts0.33 –
Vas14 L +36%, worse
BL12.6 T·m −25%, worse
Xmax5 mm −17%, worse
Sensitivity93.8 dB +1.2
SB AudienceBIANCO-8MWN150
£81.76Fs74 Hz –
Qts0.38 +15%, worse
Vas9.9 L −4%
BL16.5 T·m –
Xmax6.0 mm –
Sensitivity92 dB −0.6
Beyma8WR300
£91.82Fs65 Hz −10%
Qts0.27 −18%, better
Vas15 L +46%, worse
BL15.5 T·m −7%
Xmax6 mm –
Sensitivity93.6 dB +1
B&C8FG51
£96.47Fs49 Hz −32%, better
Qts0.32 −3%
Vas20 L +94%, worse
BL12.9 T·m −23%, worse
Xmax6.5 mm +8%
Sensitivity90.4 dB −2.2, worse
CIARENDI8
£105.27Fs81 Hz +13%, worse
Qts0.33 –
Vas13 L +26%, worse
BL12.8 T·m −23%, worse
Xmax4.5 mm −25%, worse
Sensitivity94.9 dB +2.3, better
B&C8FG64
£107.57Fs51 Hz −29%, better
Qts0.31 −6%
Vas15 L +46%, worse
BL15.8 T·m −5%
Xmax7 mm +17%, better
Sensitivity90 dB −2.6, worse
LavoceWAN082.01
£129.51Fs85 Hz +18%, worse
Qts0.32 −3%
Vas9 L −13%, better
BL14.4 T·m −13%, worse
Xmax5.8 mm −3%
Sensitivity94 dB +1.4
BMS8S215
£137.66Fs88 Hz +22%, worse
Qts0.31 −6%
Vas11.0 L +7%
BL13.6 T·m −19%, worse
Xmax4.3 mm −29%, worse
Sensitivity95.6 dB +3, better
LavoceWAN082.02
£149.92Fs80 Hz +11%, worse
Qts0.23 −30%, better
Vas9.0 L −13%, better
BL17.8 T·m +6%
Xmax5.8 mm −3%
Sensitivity94.7 dB +2.1, better
BMS8N515
£171.89Fs88 Hz +22%, worse
Qts0.30 −9%
Vas11.0 L +7%
BL13.8 T·m −17%, worse
Xmax4 mm −33%, worse
Sensitivity95.7 dB +3.1, better
B&C8FCX51
£186.30Fs69 Hz −4%
Qts0.34 +3%
Vas16 L +55%, worse
BL11.5 T·m −31%, worse
Xmax6 mm –
Sensitivity93.7 dB +1.1
FaitalPRO8HX230
£238.20Fs70 Hz –
Qts0.29 −12%, better
Vas14.7 L +43%, worse
BL15 T·m −10%, worse
Xmax6.2 mm –
Sensitivity94.1 dB +1.5
FaitalPRO8HX200
£254.42Fs76 Hz +6%
Qts0.30 −9%
Vas13.1 L +27%, worse
BL13.8 T·m −17%, worse
Xmax4.9 mm −18%, worse
Sensitivity94.7 dB +2.1, better
Eighteen Sound8NMB750
£256.89Fs88 Hz +22%, worse
Qts0.27 −18%, better
Vas6.9 L −33%, better
BL18.7 T·m +12%, better
Xmax6.1 mm –
Sensitivity94.3 dB +1.7
FaitalPRO8HX240
£284.30Fs70 Hz –
Qts0.30 −9%
Vas12.9 L +25%, worse
BL13.8 T·m −17%, worse
Xmax6.2 mm –
Sensitivity93.6 dB +1
REDCATT81XR
£290.19Fs73 Hz –
Qts0.30 −9%
Vas7.2 L −30%, better
BL16 T·m −4%
Xmax6.3 mm +6%
Sensitivity90.8 dB −1.8
B&C8CXN64
No current priceFs71 Hz –
Qts0.33 –
Vas10.5 L –
BL15.5 T·m −7%
Xmax5.5 mm −8%
Sensitivity92.3 dB –
Beyma8CFX260ND
No current priceFs100 Hz +39%, worse
Qts0.35 +6%
Vas8 L −22%, better
BL13.5 T·m −19%, worse
Xmax6 mm –
Sensitivity95.4 dB +2.8, better
No photo
PHL Audio2420
No current priceFs72 Hz –
Qts0.33 –
Vas13.3 L +29%, worse
BL12.9 T·m −23%, worse
Xmax5.5 mm −8%
Sensitivity93.3 dB +0.7
BMS8N519
No current priceFs75 Hz +4%
Qts0.37 +12%, worse
Vas10.9 L +6%
BL13.8 T·m −17%, worse
Xmax6.3 mm +5%
Sensitivity92.5 dB –
Dayton Audio8MB200N-8
No current priceFs94 Hz +31%, worse
Qts0.32 −3%
Vas8.8 L −15%, better
BL14.4 T·m −14%, worse
Xmax3.9 mm −35%, worse
Sensitivity95.2 dB +2.6, better
No photo
PHL Audio2520
No current priceFs109 Hz +51%, worse
Qts0.33 –
Vas9 L −13%, better
BL14.3 T·m −14%, worse
Xmax2 mm −67%, worse
Sensitivity97 dB +4.4, better
No photo
PHL Audio2440
No current priceFs77 Hz +7%
Qts0.31 −6%
Vas13.1 L +27%, worse
BL12.8 T·m −23%, worse
Xmax5 mm −17%, worse
Sensitivity94.5 dB +1.9
Eighteen Sound8MB710
No current priceFs108 Hz +50%, worse
Qts0.32 −3%
Vas9 L −13%, better
BL13.4 T·m −20%, worse
Xmax2.3 mm −63%, worse
Sensitivity97.1 dB +4.5, better
Eighteen Sound8MB720
No current priceFs108 Hz +50%, worse
Qts0.32 −3%
Vas9 L −13%, better
BL13.4 T·m −20%, worse
Xmax2.3 mm −63%, worse
Sensitivity97.1 dB +4.5, better
Eighteen Sound8NTLW2500
No current priceFs76 Hz +6%
Qts0.30 −9%
Vas7.6 L −26%, better
BL18.1 T·m +8%
Xmax7.6 mm +27%, better
Sensitivity92.3 dB –
JensenBP8150-8
No current priceFs75 Hz +4%
Qts0.33 –
Vas13.1 L +27%, worse
BL13.3 T·m −20%, worse
Xmax3.1 mm −48%, worse
Sensitivity93.8 dB +1.2
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.