REDCATT8FIND
£57.77Fs70 Hz −6%
Qts0.25 +24%, worse
Vas18.2 L +16%, worse
BL14.3 T·m +4%
Xmax2.2 mm −20%, worse
Sensitivity96 dB −1
8-inch LF driver · 8M series · 51 mm voice coil · 250 W
Oberton 8M250 8Ω
8 Ω · 90–5000 Hz
No current price
- Fs
- 74Hz
- Xmax
- 2.8mm
- SPL
- 97dB
- Pe
- 250W
- BL
- 13.7T·m
- Vd
- 56cm³
- Qts
- 0.20
- Vas
- 16L
Published graphs
Oberton 8M250 is an 8-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 74 Hz, Qts 0.20, Vas 15.6 L, Xmax 2.8 mm, sensitivity 97 dB, plus 56 cm³ Vd and 365 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
- 74Hz
- Qts
- 0.20
- Qes
- 0.20
- Qms
- 14.0
- Vas
- 15.6L
- Re
- 5Ω
- Le
- 0.42mH
Motor and cone
- BL
- 13.7T·m
- Sd
- 202cm²
- Mms
- 16g
- Xmax
- 2.8mm
- Vd †
- 56cm³
- Voice coil
- 51mm
- Flux density
- 1.43T
Power and response
- Sensitivity †
- 97dB
- Manufacturer sensitivity
- 500dB
- Power
- 250W
- Impedance
- 8Ω
- Min. impedance
- 6.2Ω
- Range
- 90–5000Hz
- EBP †
- 365 · Leans vented
Size and mounting
- Diameter
- 225mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Depth
- 90mm
- Weight
- 4.3kg
Other published values
- Cms
- 0.28mm/N
- Power Program
- 500
Sensitivity shows 97.0 dB, calculated from the T/S values. Oberton publishes 500.0 dB, 403.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Oberton lists
LF · Primary · 8″
- BL
- 13.7T·m
- Fs
- 74Hz
- Le
- 0.42mH
- Re
- 5Ω
- Sd
- 202cm²
- Cms
- 0.28mm/N
- Mms
- 16g
- Qes
- 0.20
- Qms
- 14.0
- Qts
- 0.20
- SPL
- 97dB
- Vas
- 15.6L
- Xmax
- 2.8mm
- Power
- 250W
- Impedance
- 8Ω
- Flux density
- 1.43T
- Sensitivity
- 500dB
- Low limit
- 90Hz
- Power Program
- 500
- Calculated sensitivity †
- 97dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 500dB
- Min. impedance
- 6.2Ω
- Voice coil
- 51mm
- Weight
- 4.3kg
- Diameter
- 225mm
- Depth
- 90mm
- Cutout
- 187mm
- Bolt circle
- 210mm
02
Compare
Same-size drivers, compared with the 8M250. Clear differences are green when better and red when worse.
This driver8M250
Best price
–
Fs
74 Hz
Qts
0.20
Vas
15.6 L
BL
13.7 T·m
Xmax
2.8 mm
Sensitivity
97 dB
Power
250 W
Beyma8MI100
£73.79Fs90 Hz +21%, worse
Qts0.45 +124%, worse
Vas12 L −23%, better
BL11.5 T·m −16%, worse
Xmax3 mm +9%
Sensitivity94.6 dB −2.4, worse
LavoceMAF082.00
£74.52Fs85 Hz +14%, worse
Qts0.20 –
Vas11.3 L −28%, better
BL17.2 T·m +26%, better
Xmax2.6 mm −5%
Sensitivity97 dB –
Sica8 FE 2.5 CP
£82.89Fs73 Hz –
Qts0.28 +39%, worse
Vas15.6 L –
BL13.0 T·m −5%
Xmax4 mm +45%, better
Sensitivity95.1 dB −1.9
Sica8 C 2 CP
£92.02Fs79 Hz +6%
Qts0.30 +49%, worse
Vas14.7 L −6%
BL13.5 T·m –
Xmax3.5 mm +27%, better
Sensitivity95.5 dB −1.5
B&C8PE21
£95.00Fs87 Hz +17%, worse
Qts0.19 −5%
Vas13 L −17%, better
BL16.6 T·m +21%, better
Xmax2.5 mm −9%
Sensitivity98.3 dB +1.3
FaitalPRO8PR210
£100.24Fs65 Hz −13%, better
Qts0.29 +44%, worse
Vas15.4 L –
BL13.5 T·m –
Xmax6.9 mm +152%, better
Sensitivity93.2 dB −3.8, worse
Eighteen Sound8M400F
£114.19Fs89 Hz +20%, worse
Qts0.26 +29%, worse
Vas13.7 L −12%, better
BL13.1 T·m −4%
Xmax3 mm +9%
Sensitivity97.4 dB –
B&C8FW51
£116.87Fs74 Hz –
Qts0.21 +4%
Vas12 L −23%, better
BL17.7 T·m +29%, better
Xmax6 mm +118%, better
Sensitivity95.7 dB −1.3
B&C8MDN51
£136.46Fs70 Hz −6%
Qts0.20 –
Vas16 L –
BL15.3 T·m +12%, better
Xmax6 mm +118%, better
Sensitivity96.2 dB −0.8
Eighteen Sound8NTLW2000
£137.32Fs71 Hz −5%
Qts0.21 +4%
Vas13 L −17%, better
BL17.5 T·m +28%, better
Xmax4.4 mm +60%, better
Sensitivity95.5 dB −1.5
Scanspeak18W/8545-01
£149.18Fs25 Hz −66%, better
Qts0.20 –
Vas68.6 L +339%, worse
BL8.4 T·m −39%, worse
Xmax6.5 mm +136%, better
Sensitivity88.9 dB −8.1, worse
Beyma8MC500ND
£159.93Fs69 Hz −7%
Qts0.18 −10%, better
Vas15.9 L –
BL16.7 T·m +22%, better
Xmax5 mm +82%, better
Sensitivity96.4 dB −0.6
Eighteen Sound8NTLS2000
£162.28Fs41 Hz −45%, better
Qts0.19 −5%
Vas27 L +73%, worse
BL17.2 T·m +26%, better
Xmax7.4 mm +169%, better
Sensitivity91.9 dB −5.1, worse
Beyma8MC300ND
£175.84Fs62 Hz −17%, better
Qts0.22 +9%
Vas18 L +15%, worse
BL16 T·m +17%, better
Xmax6 mm +118%, better
Sensitivity94.6 dB −2.4, worse
WavecorWF211PA02
£185.52Fs59 Hz −21%, better
Qts0.25 +24%, worse
Vas18.2 L +16%, worse
BL13.4 T·m –
Xmax2 mm −27%, worse
Sensitivity93.6 dB −3.4, worse
Eighteen Sound8NM610
£327.41Fs260 Hz +250%, worse
Qts0.21 +4%
Vas1.5 L −90%, better
BL28.3 T·m +107%, better
Xmax3 mm +9%
Sensitivity102.4 dB +5.4, better
AccutonC173-6-096
£837.27Fs50 Hz −33%, better
Qts0.22 +9%
Vas17.0 L +9%
BL11.4 T·m −17%, worse
Xmax5 mm +82%, better
Sensitivity91.5 dB −5.5, worse
Oberton8M150
No current priceFs68 Hz −8%
Qts0.22 +8%
Vas21.6 L +38%, worse
BL11.6 T·m −15%, worse
Xmax3.3 mm +18%, better
Sensitivity96.9 dB –
MonacorSP-308CX
No current priceFs80 Hz +8%
Qts0.36 +79%, worse
Vas15.4 L –
BL12.1 T·m −12%, worse
Xmax2.5 mm −9%
Sensitivity94.7 dB −2.3, worse
JensenBP8150-8
No current priceFs75 Hz –
Qts0.33 +64%, worse
Vas13.1 L −16%, better
BL13.3 T·m –
Xmax3.1 mm +13%, better
Sensitivity93.8 dB −3.2, worse
Oberton8NM201
No current priceFs103 Hz +38%, worse
Qts0.29 +42%, worse
Vas8.1 L −48%, better
BL13.7 T·m –
Xmax2.8 mm –
Sensitivity96.8 dB –
LavoceWAF082.01
No current priceFs76 Hz –
Qts0.21 +4%
Vas10.2 L −35%, better
BL17.9 T·m +31%, better
Xmax5.8 mm +111%, better
Sensitivity95.1 dB −1.9
CelestionNTR08-2009D
No current priceFs71 Hz −4%
Qts0.21 +5%
Vas11.7 L −25%, better
BL18.0 T·m +32%, better
Xmax6.5 mm +136%, better
Sensitivity94.6 dB −2.4, worse
Acoustic EleganceTD8M-8
No current priceFs76 Hz –
Qts0.26 +29%, worse
Vas11.3 L −28%, better
BL15.5 T·m +13%, better
Xmax3 mm +9%
Sensitivity94.6 dB −2.4, worse
No photo
PHL Audio2513NDS
No current priceFs71 Hz −5%
Qts0.18 −10%, better
Vas12.2 L −22%, better
BL27.5 T·m +101%, better
Xmax4 mm +45%, better
Sensitivity95.6 dB −1.4
Oberton8NB201
No current priceFs71 Hz −5%
Qts0.24 +22%, worse
Vas12.5 L −20%, better
BL14.4 T·m +5%
Xmax5.3 mm +91%, better
Sensitivity94.4 dB −2.6, worse
Tang BandW8-1363SB
No current priceFs30 Hz −60%, better
Qts0.32 +59%, worse
Vas15.4 L –
BL13.9 T·m –
Xmax12 mm +336%, better
Sensitivity82.8 dB −14.2, worse
LavoceCAN082.00K
No current priceFs72 Hz −3%
Qts0.27 +34%, worse
Vas15.1 L −4%
BL13.2 T·m −4%
Xmax6.7 mm +144%, better
Sensitivity94.8 dB −2.2, worse
PRV Audio69MR500-PHP-4
No current priceFs92 Hz +23%, worse
Qts0.65 +223%, worse
Vas15.2 L −3%
BL6.8 T·m −50%, worse
Xmax2.9 mm +4%
Sensitivity94.4 dB −2.6, worse
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.