EminenceKAPPA PRO-12A
£130.90Fs37 Hz −26%, better
Qts0.24 −5%
Vas121 L +62%, worse
BL17.3 T·m −13%, worse
Xmax4.8 mm +7%
Sensitivity95.9 dB −1.7
12-inch LF driver · 12H series · 100 mm voice coil · 400 W
Oberton 12H4CX72 8Ω
8 Ω · 60–18000 Hz
No current price
- Fs
- 50Hz
- Xmax
- 4.5mm
- SPL
- 98dB
- Pe
- 400W
- BL
- 19.9T·m
- Vd
- 232cm³
- Qts
- 0.25
- Vas
- 75L
Published graphs
Oberton 12H4CX72 is a 12-inch 8 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 50 Hz, Qts 0.25, Vas 74.7 L, Xmax 4.5 mm, sensitivity 97.6 dB, plus 232 cm³ Vd and 193 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
- 50Hz
- Qts
- 0.25
- Qes
- 0.26
- Qms
- 10.3
- Vas
- 74.7L
- Re
- 6.5Ω
- Le
- 0.45mH
Motor and cone
- BL
- 19.9T·m
- Sd
- 515cm²
- Mms
- 50g
- Xmax
- 4.5mm
- Vd †
- 232cm³
- Voice coil
- 100mm
- Flux density
- 1.37T
Power and response
- Sensitivity †
- 97.6dB
- Power
- 400W
- Impedance
- 8Ω
- Range
- 60–18000Hz
- EBP †
- 193 · Leans vented
Size and mounting
- Diameter
- 311mm
- Cutout
- 280mm
- Bolt circle
- 294mm
- Depth
- 242mm
- Weight
- 10.1kg
Other published values
- Cms
- 0.20mm/N
- Power Program
- 800
† Calculated by bits from the published values
What this validation status means
Everything else Oberton lists
LF · Primary · 12″
- BL
- 19.9T·m
- Fs
- 50Hz
- Le
- 0.45mH
- Re
- 6.5Ω
- Sd
- 515cm²
- Cms
- 0.20mm/N
- Mms
- 50g
- Qes
- 0.26
- Qms
- 10.3
- Qts
- 0.25
- SPL
- 97.6dB
- Vas
- 74.7L
- Xmax
- 4.5mm
- Power
- 400W
- Impedance
- 8Ω
- Flux density
- 1.37T
- Low limit
- 60Hz
- Power Program
- 800
- Calculated sensitivity †
- 97.6dB
- High limit
- 18000Hz
- Voice coil
- 100mm
- Weight
- 10.1kg
- Diameter
- 311mm
- Depth
- 242mm
- Cutout
- 280mm
- Bolt circle
- 294mm
02
Compare
Same-size drivers, compared with the 12H4CX72. Clear differences are green when better and red when worse.
This driver12H4CX72
Best price
–
Fs
50 Hz
Qts
0.25
Vas
74.7 L
BL
19.9 T·m
Xmax
4.5 mm
Sensitivity
97.6 dB
Power
400 W
B&C12HPL76
£135.13Fs49 Hz –
Qts0.25 –
Vas91 L +22%, worse
BL17.3 T·m −13%, worse
Xmax4 mm −11%, worse
Sensitivity98.2 dB +0.6
PRV Audio12MR1200X
£149.54Fs53 Hz +5%
Qts0.21 −17%, better
Vas71.8 L −4%
BL22 T·m +10%, better
Xmax4.5 mm –
Sensitivity99 dB +1.4
B&C12PLB76
£149.88Fs50 Hz –
Qts0.23 −9%
Vas75 L –
BL18.6 T·m −7%
Xmax5 mm +11%, better
Sensitivity97.9 dB –
B&C12CLA76
£153.54Fs52 Hz +4%
Qts0.25 –
Vas56 L −25%, better
BL20.2 T·m –
Xmax5.3 mm +18%, better
Sensitivity96.8 dB −0.8
FaitalPRO12FH510
£163.54Fs45 Hz −10%
Qts0.24 −5%
Vas81.3 L +9%
BL18.9 T·m −5%
Xmax7.5 mm +67%, better
Sensitivity96.7 dB −0.9
Eighteen Sound12MB700
£171.65Fs46 Hz −8%
Qts0.25 –
Vas100 L +34%, worse
BL22.1 T·m +11%, better
Xmax4.5 mm –
Sensitivity97.8 dB –
FaitalPRO12FH530
£175.00Fs45 Hz −10%
Qts0.26 +3%
Vas74.1 L –
BL18.9 T·m −5%
Xmax7.5 mm +67%, better
Sensitivity96 dB −1.6
FaitalPRO12FH500
£180.28Fs45 Hz −10%
Qts0.25 –
Vas87.3 L +17%, worse
BL17.5 T·m −12%, worse
Xmax7.5 mm +67%, better
Sensitivity96.9 dB −0.7
RCFMB12N301
£183.23Fs54 Hz +8%
Qts0.24 −5%
Vas71 L −5%
BL19 T·m −5%
Xmax6 mm +33%, better
Sensitivity98.4 dB +0.8
BMS12S320
£204.98Fs45 Hz −9%
Qts0.20 −21%, better
Vas69.5 L −7%
BL23.3 T·m +17%, better
Xmax4.5 mm –
Sensitivity96.9 dB −0.7
Beyma12MC700ND
£209.29Fs51 Hz –
Qts0.24 −5%
Vas58 L −22%, better
BL21.6 T·m +8%
Xmax7 mm +56%, better
Sensitivity96.7 dB −0.9
BMS12S305
£213.05Fs35 Hz −30%, better
Qts0.27 +5%
Vas82 L +10%
BL20.1 T·m –
Xmax11 mm +144%, better
Sensitivity93 dB −4.6, worse
BMS12C262
£228.36Fs47 Hz −5%
Qts0.24 −5%
Vas60.6 L −19%, better
BL20.6 T·m +3%
Xmax2.5 mm −44%, worse
Sensitivity96.1 dB −1.5
BMS12N620
£247.26Fs45 Hz −10%, better
Qts0.25 –
Vas72.7 L –
BL20.6 T·m +3%
Xmax5.5 mm +22%, better
Sensitivity96 dB −1.6
BMS12N802
£271.01Fs43 Hz −14%, better
Qts0.24 −5%
Vas65 L −13%, better
BL22.3 T·m +12%, better
Xmax4.5 mm –
Sensitivity95.2 dB −2.4, worse
BMS12N803
£285.67Fs41 Hz −18%, better
Qts0.24 −5%
Vas77 L +3%
BL21.4 T·m +7%
Xmax6 mm +33%, better
Sensitivity95.3 dB −2.3, worse
Beyma12CXA400ND
£349.99Fs45 Hz −10%
Qts0.25 –
Vas88.5 L +18%, worse
BL21.4 T·m +7%
Xmax6 mm +33%, better
Sensitivity96.9 dB −0.7
BMS12CN680
£365.51Fs46 Hz −8%
Qts0.26 +3%
Vas58 L −22%, better
BL20.6 T·m +3%
Xmax5.5 mm +22%, better
Sensitivity95.2 dB −2.4, worse
Oberton12B400
No current priceFs50 Hz –
Qts0.25 –
Vas74.7 L –
BL18.4 T·m −8%
Xmax5.3 mm +17%, better
Sensitivity97.8 dB –
BMS12S302
No current priceFs45 Hz −10%
Qts0.25 –
Vas65 L −13%, better
BL15.7 T·m −21%, worse
Xmax4.5 mm –
Sensitivity95.5 dB −2.1, worse
Oberton12B401
No current priceFs47 Hz −7%
Qts0.24 –
Vas69.6 L −7%
BL19.9 T·m –
Xmax6.8 mm +50%, better
Sensitivity96.5 dB −1.1
LavoceNBASS12-30
No current priceFs46 Hz −8%
Qts0.26 +3%
Vas68.6 L −8%
BL19.5 T·m –
Xmax6.6 mm +47%, better
Sensitivity96 dB −1.6
Beyma12CXA400FE
No current priceFs42 Hz −16%, better
Qts0.25 –
Vas94 L +26%, worse
BL19.8 T·m –
Xmax6 mm +33%, better
Sensitivity96.3 dB −1.3
Oberton12L300
No current priceFs54 Hz +8%
Qts0.25 –
Vas79.6 L +7%
BL16.8 T·m −16%, worse
Xmax3.3 mm −28%, worse
Sensitivity98.8 dB +1.2
Oberton12B450
No current priceFs46 Hz −7%
Qts0.23 −7%
Vas71.8 L −4%
BL19.3 T·m −3%
Xmax7.8 mm +72%, better
Sensitivity96.7 dB −0.9
No photo
PHL Audio4071-1
No current priceFs47 Hz −6%
Qts0.24 −5%
Vas57.8 L −23%, better
BL20.6 T·m +3%
Xmax6.5 mm +44%, better
Sensitivity95.7 dB −1.9
Eighteen Sound12MB650
No current priceFs48 Hz −4%
Qts0.23 −9%
Vas90 L +20%, worse
BL19 T·m −5%
Xmax5.5 mm +22%, better
Sensitivity98.2 dB +0.6
No photo
PHL Audio4031
No current priceFs44 Hz −12%, better
Qts0.27 +7%
Vas70 L −6%
BL20.5 T·m –
Xmax7.5 mm +67%, better
Sensitivity95.2 dB −2.4, worse
No photo
PHL Audio4031NDU
No current priceFs44 Hz −12%, better
Qts0.27 +7%
Vas70 L −6%
BL20.5 T·m –
Xmax7.5 mm +67%, better
Sensitivity95.2 dB −2.4, 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.