PRV Audio8MR500-4
£37.34Fs78 Hz +15%, worse
Qts0.46 +112%, worse
Vas20.8 L −4%
BL6.5 T·m −44%, worse
Xmax3.3 mm –
Sensitivity95.2 dB −1.7
8-inch LF driver · 8M series · 51 mm voice coil · 150 W
Oberton 8M150 8Ω
8 Ω · 80–5000 Hz
No current price
- Fs
- 68Hz
- Xmax
- 3.3mm
- SPL
- 97dB
- Pe
- 150W
- BL
- 11.6T·m
- Vd
- 66cm³
- Qts
- 0.22
- Vas
- 22L
Published graphs
Oberton 8M150 is an 8-inch 8 ohm LF driver rated at 150 W RMS. The validated T/S data includes Fs 68 Hz, Qts 0.22, Vas 21.6 L, Xmax 3.3 mm, sensitivity 96.9 dB, plus 66 cm³ Vd and 303 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
- 68Hz
- Qts
- 0.22
- Qes
- 0.23
- Qms
- 6.1
- Vas
- 21.6L
- Re
- 5.0Ω
- Le
- 0.74mH
Motor and cone
- BL
- 11.6T·m
- Sd
- 202cm²
- Mms
- 14g
- Xmax
- 3.3mm
- Vd †
- 66cm³
- Voice coil
- 51mm
- Flux density
- 1.35T
Power and response
- Sensitivity †
- 96.9dB
- Manufacturer sensitivity
- 200dB
- Power
- 150W
- Impedance
- 8Ω
- Min. impedance
- 5.8Ω
- Range
- 80–5000Hz
- EBP †
- 303 · Leans vented
Size and mounting
- Diameter
- 225mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Depth
- 90mm
- Weight
- 3.3kg
Other published values
- Cms
- 0.39mm/N
- Power Program
- 300
Sensitivity shows 96.9 dB, calculated from the T/S values. Oberton publishes 200.0 dB, 103.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Oberton lists
LF · Primary · 8″
- BL
- 11.6T·m
- Fs
- 68Hz
- Le
- 0.74mH
- Re
- 5.0Ω
- Sd
- 202cm²
- Cms
- 0.39mm/N
- Mms
- 14g
- Qes
- 0.23
- Qms
- 6.1
- Qts
- 0.22
- SPL
- 96.9dB
- Vas
- 21.6L
- Xmax
- 3.3mm
- Power
- 150W
- Impedance
- 8Ω
- Flux density
- 1.35T
- Sensitivity
- 200dB
- Low limit
- 80Hz
- Power Program
- 300
- Calculated sensitivity †
- 96.9dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 200dB
- Min. impedance
- 5.8Ω
- Voice coil
- 51mm
- Weight
- 3.3kg
- Diameter
- 225mm
- Depth
- 90mm
- Cutout
- 187mm
- Bolt circle
- 210mm
02
Compare
Same-size drivers, compared with the 8M150. Clear differences are green when better and red when worse.
This driver8M150
Best price
–
Fs
68 Hz
Qts
0.22
Vas
21.6 L
BL
11.6 T·m
Xmax
3.3 mm
Sensitivity
96.9 dB
Power
150 W
REDCATT8FIND
£57.77Fs70 Hz –
Qts0.25 +15%, worse
Vas18.2 L −16%, better
BL14.3 T·m +23%, better
Xmax2.2 mm −32%, worse
Sensitivity96 dB −0.9
EminenceBETA-8A
£67.94Fs65 Hz −5%
Qts0.38 +75%, worse
Vas23.3 L +8%
BL9.6 T·m −17%, worse
Xmax3 mm −8%
Sensitivity93.9 dB −3, worse
Beyma8MI100
£73.79Fs90 Hz +32%, worse
Qts0.45 +107%, worse
Vas12 L −44%, better
BL11.5 T·m –
Xmax3 mm −8%
Sensitivity94.6 dB −2.3, worse
LavoceMAF082.00
£74.52Fs85 Hz +25%, worse
Qts0.20 −8%
Vas11.3 L −48%, better
BL17.2 T·m +48%, better
Xmax2.6 mm −20%, worse
Sensitivity97 dB –
EminenceBETA 8CX
£95.86Fs62 Hz −9%
Qts0.29 +34%, worse
Vas21.4 L –
BL11.2 T·m −4%
Xmax3.2 mm –
Sensitivity94.2 dB −2.7, worse
B&C8FMB51
£96.76Fs67 Hz –
Qts0.28 +29%, worse
Vas20.7 L −4%
BL11.3 T·m –
Xmax5.5 mm +69%, better
Sensitivity95.1 dB −1.8
Eighteen Sound8M400F
£114.19Fs89 Hz +30%, worse
Qts0.26 +20%, worse
Vas13.7 L −37%, better
BL13.1 T·m +13%, better
Xmax3 mm −8%
Sensitivity97.4 dB +0.5
B&C8FW51
£116.87Fs74 Hz +9%
Qts0.21 −3%
Vas12 L −44%, better
BL17.7 T·m +52%, better
Xmax6 mm +85%, better
Sensitivity95.7 dB −1.2
PRV Audio8MB700FT-NDY
£127.10Fs70 Hz –
Qts0.30 +38%, worse
Vas18.8 L −13%, better
BL12.8 T·m +10%
Xmax3.6 mm +12%, better
Sensitivity94.9 dB −2, worse
£132.02
Fs20 Hz −71%, better
Qts0.24 +11%, worse
Vas108 L +400%, worse
BL11.4 T·m –
Xmax7 mm +115%, better
Sensitivity87.2 dB −9.7, worse
B&C8MDN51
£136.46Fs70 Hz –
Qts0.20 −8%
Vas16 L −26%, better
BL15.3 T·m +32%, better
Xmax6 mm +85%, better
Sensitivity96.2 dB −0.7
Eighteen Sound8NTLW2000
£137.32Fs71 Hz +4%
Qts0.21 −3%
Vas13 L −40%, better
BL17.5 T·m +51%, better
Xmax4.4 mm +35%, better
Sensitivity95.5 dB −1.4
Beyma8MC300ND
£175.84Fs62 Hz −9%
Qts0.22 –
Vas18 L −17%, better
BL16 T·m +38%, better
Xmax6 mm +85%, better
Sensitivity94.6 dB −2.3, worse
PRV Audio8MB700FT-NDY-4
£178.31Fs60 Hz −13%, better
Qts0.22 –
Vas25.0 L +15%, worse
BL11.3 T·m –
Xmax3.8 mm +15%, better
Sensitivity95.5 dB −1.4
WavecorWF211PA02
£185.52Fs59 Hz −13%, better
Qts0.25 +15%, worse
Vas18.2 L −16%, better
BL13.4 T·m +15%, better
Xmax2 mm −38%, worse
Sensitivity93.6 dB −3.3, worse
Scanspeak22W/4851T00
£293.02Fs21 Hz −69%, better
Qts0.22 –
Vas126 L +483%, worse
BL8.2 T·m −29%, worse
Xmax9 mm +177%, better
Sensitivity89.1 dB −7.8, worse
Beyma8CX300ND
£321.98Fs61 Hz −11%, better
Qts0.29 +34%, worse
Vas23 L +6%
BL12 T·m +3%
Xmax6 mm +85%, better
Sensitivity94.4 dB −2.5, worse
Eighteen Sound8NM610
£327.41Fs260 Hz +281%, worse
Qts0.21 −3%
Vas1.5 L −93%, better
BL28.3 T·m +144%, better
Xmax3 mm −8%
Sensitivity102.4 dB +5.5, better
AccutonC173-6-096
£837.27Fs50 Hz −27%, better
Qts0.22 –
Vas17.0 L −21%, better
BL11.4 T·m –
Xmax5 mm +54%, better
Sensitivity91.5 dB −5.4, worse
Oberton8M250
No current priceFs74 Hz +9%
Qts0.20 −7%
Vas15.6 L −28%, better
BL13.7 T·m +18%, better
Xmax2.8 mm −15%, worse
Sensitivity97 dB –
PRV Audio8MB700FT
No current priceFs72 Hz +6%
Qts0.31 +43%, worse
Vas20 L −7%
BL12.3 T·m +5%
Xmax3.5 mm +8%
Sensitivity95.6 dB −1.3
Sica8 L 2 SL
No current priceFs64 Hz −6%
Qts0.32 +47%, worse
Vas18.2 L −16%, better
BL12.3 T·m +6%
Xmax3.5 mm +8%
Sensitivity93.3 dB −3.6, worse
KartesianLOM185_VKI
No current priceFs40 Hz −41%, better
Qts0.25 +15%, worse
Vas29 L +34%, worse
BL10.4 T·m −10%, worse
Xmax8 mm +146%, better
Sensitivity90.6 dB −6.3, worse
No photo
PHL Audio2513NDU
No current priceFs70 Hz –
Qts0.23 +6%
Vas12.5 L −42%, better
BL24 T·m +107%, better
Xmax4 mm +23%, better
Sensitivity94.5 dB −2.4, worse
CelestionNTR08-2009D
No current priceFs71 Hz +5%
Qts0.21 –
Vas11.7 L −46%, better
BL18.0 T·m +55%, better
Xmax6.5 mm +100%, better
Sensitivity94.6 dB −2.3, worse
LavoceCPF082.00K
No current priceFs93 Hz +36%, worse
Qts0.46 +112%, worse
Vas11.1 L −49%, better
BL10.9 T·m −6%
Xmax3.3 mm –
Sensitivity94.4 dB −2.5, worse
LavoceWAF082.01
No current priceFs76 Hz +11%, worse
Qts0.21 −3%
Vas10.2 L −53%, better
BL17.9 T·m +54%, better
Xmax5.8 mm +78%, better
Sensitivity95.1 dB −1.8
CelestionTN0820
No current priceFs62 Hz −9%
Qts0.28 +30%, worse
Vas21.9 L –
BL11.8 T·m –
Xmax2 mm −38%, worse
Sensitivity93.8 dB −3.1, worse
KartesianWOM200_VPA-S
No current priceFs53 Hz −22%, better
Qts0.35 +62%, worse
Vas20.9 L −3%
BL11.8 T·m –
Xmax6 mm +85%, better
Sensitivity92 dB −4.9, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.