CIAREFXI8
£67.65Fs81 Hz −5%
Qts0.29 +77%, worse
Vas13 L +22%, worse
BL13.3 T·m −25%, worse
Xmax4.5 mm +6%
Sensitivity95.4 dB −2.6, worse
8-inch LF driver · 8MVCX series · 62 mm voice coil · 250 W
Oberton 8MVCX (8NMB250VCX) 8Ω
8 Ω · 85–20000 Hz
No current price
- Fs
- 85Hz
- Xmax
- 4.3mm
- SPL
- 98dB
- Pe
- 250W
- BL
- 17.8T·m
- Vd
- 86cm³
- Qts
- 0.16
- Vas
- 11L
Published graphs
Oberton 8MVCX (8NMB250VCX) is an 8-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 85 Hz, Qts 0.16, Vas 10.7 L, Xmax 4.3 mm, sensitivity 98 dB, plus 86 cm³ Vd and 507 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
- 85Hz
- Qts
- 0.16
- Qes
- 0.17
- Qms
- 7.2
- Vas
- 10.7L
- Re
- 5.4Ω
- Le
- 0.07mH
Motor and cone
- BL
- 17.8T·m
- Sd
- 202cm²
- Mms
- 18g
- Xmax
- 4.3mm
- Vd †
- 86cm³
- Voice coil
- 62mm
- Flux density
- 1.55T
Power and response
- Sensitivity †
- 98dB
- Power
- 250W
- Impedance
- 8Ω
- Range
- 85–20000Hz
- EBP †
- 507 · Leans vented
Size and mounting
- Diameter
- 225mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Depth
- 162.3mm
- Weight
- 3.9kg
Other published values
- Cms
- 0.19mm/N
- Power Program
- 500
† Calculated by bits from the published values
What this validation status means
Everything else Oberton lists
LF · Primary · 8″
- BL
- 17.8T·m
- Fs
- 85Hz
- Le
- 0.07mH
- Re
- 5.4Ω
- Sd
- 202cm²
- Cms
- 0.19mm/N
- Mms
- 18g
- Qes
- 0.17
- Qms
- 7.2
- Qts
- 0.16
- SPL
- 98dB
- Vas
- 10.7L
- Xmax
- 4.3mm
- Power
- 250W
- Impedance
- 8Ω
- Flux density
- 1.55T
- Low limit
- 85Hz
- Power Program
- 500
- Calculated sensitivity †
- 98dB
- High limit
- 20000Hz
- Voice coil
- 62mm
- Weight
- 3.9kg
- Diameter
- 225mm
- Depth
- 162.3mm
- Cutout
- 187mm
- Bolt circle
- 210mm
02
Compare
Same-size drivers, compared with the 8MVCX (8NMB250VCX). Clear differences are green when better and red when worse.
This driver8MVCX (8NMB250VCX)
Best price
–
Fs
85 Hz
Qts
0.16
Vas
10.7 L
BL
17.8 T·m
Xmax
4.3 mm
Sensitivity
98 dB
Power
250 W
CIAREPM203
£69.50Fs91 Hz +7%
Qts0.54 +229%, worse
Vas10 L −6%
BL10.1 T·m −43%, worse
Xmax4.4 mm +4%
Sensitivity92.7 dB −5.3, worse
LavoceMAF082.00
£74.52Fs85 Hz –
Qts0.20 +22%, worse
Vas11.3 L +6%
BL17.2 T·m −3%
Xmax2.6 mm −39%, worse
Sensitivity97 dB −1
SB AudienceBIANCO-8MWN150
£81.76Fs74 Hz −13%, better
Qts0.38 +132%, worse
Vas9.9 L −7%
BL16.5 T·m −7%
Xmax6.0 mm +41%, better
Sensitivity92 dB −6, worse
B&C8PE21
£92.10Fs87 Hz –
Qts0.19 +16%, worse
Vas13 L +22%, worse
BL16.6 T·m −7%
Xmax2.5 mm −41%, worse
Sensitivity98.3 dB –
B&C8FW51
£114.71Fs74 Hz −13%, better
Qts0.21 +28%, worse
Vas12 L +13%, worse
BL17.7 T·m –
Xmax6 mm +41%, better
Sensitivity95.7 dB −2.3, worse
B&C8NDL64
£120.57Fs80 Hz −6%
Qts0.25 +52%, worse
Vas9.6 L −10%
BL17.5 T·m –
Xmax4.5 mm +6%
Sensitivity95 dB −3, worse
B&C8NW51
£120.85Fs74 Hz −13%, better
Qts0.17 +4%
Vas11 L +3%
BL18.9 T·m +6%
Xmax6 mm +41%, better
Sensitivity95.7 dB −2.3, worse
Eighteen Sound8NTLW2000
£137.32Fs71 Hz −17%, better
Qts0.21 +28%, worse
Vas13 L +22%, worse
BL17.5 T·m –
Xmax4.4 mm +4%
Sensitivity95.5 dB −2.5, worse
BMS8S215
£137.66Fs88 Hz –
Qts0.31 +89%, worse
Vas11.0 L +4%
BL13.6 T·m −23%, worse
Xmax4.3 mm –
Sensitivity95.6 dB −2.4, worse
CelestionFTX0820
£139.00Fs79 Hz −7%
Qts0.28 +70%, worse
Vas13.1 L +23%, worse
BL14.6 T·m −18%, worse
Xmax4 mm −6%
Sensitivity95.2 dB −2.8, worse
LavoceWAN082.02
£147.03Fs80 Hz −6%
Qts0.23 +40%, worse
Vas9.0 L −16%, better
BL17.8 T·m –
Xmax5.8 mm +36%, better
Sensitivity94.7 dB −3.3, worse
Sica8 K 3 PL
£158.25Fs68 Hz −20%, better
Qts0.25 +52%, worse
Vas12.2 L +14%, worse
BL16.1 T·m −9%
Xmax5 mm +18%, better
Sensitivity93.6 dB −4.4, worse
Beyma8MC500ND
£159.93Fs69 Hz −19%, better
Qts0.18 +10%
Vas15.9 L +49%, worse
BL16.7 T·m −6%
Xmax5 mm +18%, better
Sensitivity96.4 dB −1.6
Eighteen Sound8NTLS2000
£162.28Fs41 Hz −52%, better
Qts0.19 +16%, worse
Vas27 L +153%, worse
BL17.2 T·m −3%
Xmax7.4 mm +74%, better
Sensitivity91.9 dB −6.1, worse
BMS8N515
£171.89Fs88 Hz –
Qts0.30 +83%, worse
Vas11.0 L +4%
BL13.8 T·m −22%, worse
Xmax4 mm −6%
Sensitivity95.7 dB −2.3, worse
BMS8CN552
£262.59Fs88 Hz –
Qts0.29 +77%, worse
Vas10.1 L −5%
BL13.4 T·m −24%, worse
Xmax4 mm −6%
Sensitivity95.6 dB −2.4, worse
No photo
PHL Audio2513NDS
No current priceFs71 Hz −17%, better
Qts0.18 +10%
Vas12.2 L +14%, worse
BL27.5 T·m +55%, better
Xmax4 mm −6%
Sensitivity95.6 dB −2.4, worse
REDCATT81NPM-2
No current priceFs69 Hz −19%, better
Qts0.28 +71%, worse
Vas10.3 L −3%
BL19.3 T·m +9%
Xmax4.0 mm −5%
Sensitivity92.7 dB −5.3, worse
Oberton8NMB250V4
No current priceFs82 Hz −4%
Qts0.26 +57%, worse
Vas10.9 L –
BL14.3 T·m −20%, worse
Xmax4.5 mm +6%
Sensitivity95.5 dB −2.5, worse
P.Audio8NX-65MB
No current priceFs80 Hz −6%
Qts0.29 +77%, worse
Vas8.2 L −23%, better
BL18 T·m –
Xmax3.8 mm −12%, worse
Sensitivity93.3 dB −4.7, worse
LavoceWAF082.01
No current priceFs76 Hz −11%, better
Qts0.21 +28%, worse
Vas10.2 L −4%
BL17.9 T·m –
Xmax5.8 mm +36%, better
Sensitivity95.1 dB −2.9, worse
REDCATT8NPM
No current priceFs79 Hz −7%
Qts0.29 +77%, worse
Vas10.9 L –
BL14.2 T·m −20%, worse
Xmax3.7 mm −13%, worse
Sensitivity94.4 dB −3.6, worse
Dayton Audio8MB200N-8
No current priceFs94 Hz +10%, worse
Qts0.32 +95%, worse
Vas8.8 L −17%, better
BL14.4 T·m −19%, worse
Xmax3.9 mm −8%
Sensitivity95.2 dB −2.8, worse
PRV Audio8MR600X-NDY
No current priceFs88 Hz –
Qts0.29 +77%, worse
Vas12.6 L +18%, worse
BL15.2 T·m −15%, worse
Xmax3.8 mm −12%, worse
Sensitivity96.5 dB −1.5
Oberton8NM250V2
No current priceFs68 Hz −21%, better
Qts0.25 +54%, worse
Vas8.4 L −21%, better
BL21.3 T·m +20%, better
Xmax4 mm −6%
Sensitivity92.1 dB −5.9, worse
CelestionNTR08-2009D
No current priceFs71 Hz −16%, better
Qts0.21 +29%, worse
Vas11.7 L +9%
BL18.0 T·m –
Xmax6.5 mm +53%, better
Sensitivity94.6 dB −3.4, worse
RCFMR8N301
No current priceFs310 Hz +264%, worse
Qts0.37 +126%, worse
Vas2 L −81%, better
BL17.8 T·m –
Xmax4 mm −6%
Sensitivity103.7 dB +5.7, better
REDCATT81NPM-1
No current priceFs72 Hz −15%, better
Qts0.33 +101%, worse
Vas10.3 L −3%
BL16.7 T·m −6%
Xmax6 mm +41%, better
Sensitivity92.6 dB −5.4, worse
P.Audio8NT-65MB
No current priceFs75 Hz −12%, better
Qts0.46 +180%, worse
Vas7.7 L −28%, better
BL15.4 T·m −13%, worse
Xmax3.8 mm −12%, worse
Sensitivity90.2 dB −7.8, 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.