Dayton AudioPA310-8
£82.27 · 37% less, betterFs39 Hz +5%
Qts0.29 +21%, worse
Vas91.8 L −24%, better
BL18 T·m +4%
Xmax5 mm +4%
Sensitivity94.6 dB −1.3
12-inch LF driver · KAPPA PRO series · 500 W
Eminence KAPPA PRO-12A 8Ω
8 Ω · 57–2800 Hz
£130.90
Parts Express · 2 in stock · Ships from United States · All 3 offers
- Fs
- 37Hz
- Xmax
- 4.8mm
- SPL
- 96dB
- Pe
- 500W
- BL
- 17.3T·m
- Vd
- 249cm³
- Qts
- 0.24
- Vas
- 121L
Eminence KAPPA PRO-12A is a 12-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 37 Hz, Qts 0.24, Vas 121 L, Xmax 4.8 mm, sensitivity 95.9 dB, plus 249 cm³ Vd and 148 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £130.90.
The published T/S values agree with each other
Thiele/Small
- Fs
- 37Hz
- Qts
- 0.24
- Qes
- 0.25
- Qms
- 6.9
- Vas
- 121L
- Re
- 5.5Ω
- Le
- 1.22mH
Motor and cone
- BL
- 17.3T·m
- Sd
- 520cm²
- Mms
- 59g
- Xmax
- 4.8mm
- Vd †
- 249cm³
Power and response
- Sensitivity †
- 95.9dB
- Manufacturer sensitivity
- 97.1dB
- Power
- 500W
- Impedance
- 8Ω
- Range
- 57–2800Hz
- EBP †
- 148 · Leans vented
Size and mounting
- Diameter
- 314.5mm
- Cutout
- 281.2mm
- Bolt circle
- 296.9mm
- Depth
- 158.0mm
- Weight
- 7.5kg
Other published values
- Cms
- 0.32mm/N
- Xmech
- 14.8
- Power Program
- 1000
Sensitivity shows 95.9 dB, calculated from the T/S values. Eminence publishes 97.1 dB, 1.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 12″
- BL
- 17.3T·m
- Fs
- 37Hz
- Le
- 1.22mH
- Re
- 5.5Ω
- Sd
- 520cm²
- Cms
- 0.32mm/N
- Mms
- 59g
- Qes
- 0.25
- Qms
- 6.9
- Qts
- 0.24
- SPL
- 95.9dB
- Vas
- 121L
- Xmax
- 4.8mm
- Xmech
- 14.8
- Power
- 500W
- Impedance
- 8Ω
- Sensitivity
- 97.1dB
- Low limit
- 57Hz
- Power Program
- 1000
- Calculated sensitivity †
- 95.9dB
- High limit
- 2800Hz
- Manufacturer sensitivity
- 97.1dB
- Weight
- 7.5kg
- Diameter
- 314.5mm
- Depth
- 158.0mm
- Cutout
- 281.2mm
- Bolt circle
- 296.9mm
02
Compare
Same-size drivers, compared with the KAPPA PRO-12A. Clear differences are green when better and red when worse.
This driverKAPPA PRO-12A
Best price
£130.90
Fs
37 Hz
Qts
0.24
Vas
121 L
BL
17.3 T·m
Xmax
4.8 mm
Sensitivity
95.9 dB
Power
500 W
RCFLF12G301
£109.81 · 16% less, betterFs43 Hz +16%, worse
Qts0.22 −8%
Vas97 L −20%, better
BL19 T·m +10%
Xmax7 mm +46%, better
Sensitivity97.3 dB +1.4
B&C12HPL76
£135.13 · 3% moreFs49 Hz +32%, worse
Qts0.25 +4%
Vas91 L −25%, better
BL17.3 T·m –
Xmax4 mm −17%, worse
Sensitivity98.2 dB +2.3, better
Eighteen Sound12MB600
£149.00 · 14% more, worseFs44 Hz +19%, worse
Qts0.18 −25%, better
Vas115 L −5%
BL18 T·m +4%
Xmax4.5 mm −6%
Sensitivity99.2 dB +3.3, better
B&C12PLB76
£149.88 · 14% more, worseFs50 Hz +35%, worse
Qts0.23 −4%
Vas75 L −38%, better
BL18.6 T·m +8%
Xmax5 mm +4%
Sensitivity97.9 dB +2, better
B&C12CLA76
£153.54 · 17% more, worseFs52 Hz +41%, worse
Qts0.25 +4%
Vas56 L −54%, better
BL20.2 T·m +17%, better
Xmax5.3 mm +10%, better
Sensitivity96.8 dB +0.9
FaitalPRO12FH510
£163.54 · 25% more, worseFs45 Hz +22%, worse
Qts0.24 –
Vas81.3 L −33%, better
BL18.9 T·m +9%
Xmax7.5 mm +56%, better
Sensitivity96.7 dB +0.8
Eighteen Sound12MB700
£171.65 · 31% more, worseFs49 Hz +32%, worse
Qts0.19 −21%, better
Vas101 L −17%, better
BL17.8 T·m –
Xmax4.5 mm −6%
Sensitivity99.8 dB +3.9, better
FaitalPRO12FH500
£180.28 · 38% more, worseFs45 Hz +22%, worse
Qts0.25 +4%
Vas87.3 L −28%, better
BL17.5 T·m –
Xmax7.5 mm +56%, better
Sensitivity96.9 dB +1
RCFMB12N301
£183.23 · 40% more, worseFs54 Hz +46%, worse
Qts0.24 –
Vas71 L −41%, better
BL19 T·m +10%
Xmax6 mm +25%, better
Sensitivity98.4 dB +2.5, better
Eighteen Sound12NDA520
£230.40 · 76% more, worseFs50 Hz +35%, worse
Qts0.27 +13%, worse
Vas111 L −8%
BL14.4 T·m −17%, worse
Xmax4 mm −17%, worse
Sensitivity99 dB +3.1, better
Eighteen Sound12ND730
£230.40 · 76% more, worseFs45 Hz +22%, worse
Qts0.23 −4%
Vas90 L −26%, better
BL19.2 T·m +11%, better
Xmax6.5 mm +35%, better
Sensitivity97.4 dB +1.5
Eighteen Sound12ND710
£240.31 · 84% more, worseFs52 Hz +41%, worse
Qts0.20 −17%, better
Vas92 L −24%, better
BL18 T·m +4%
Xmax5 mm +4%
Sensitivity100.1 dB +4.2, better
BMS12N620
£247.26 · 89% more, worseFs45 Hz +21%, worse
Qts0.25 +4%
Vas72.7 L −40%, better
BL20.6 T·m +19%, better
Xmax5.5 mm +15%, better
Sensitivity96 dB –
BMS12N802
£271.01 · 107% more, worseFs43 Hz +16%, worse
Qts0.24 –
Vas65 L −46%, better
BL22.3 T·m +29%, better
Xmax4.5 mm −6%
Sensitivity95.2 dB −0.7
BMS12N803
£285.67 · 118% more, worseFs41 Hz +11%, worse
Qts0.24 –
Vas77 L −36%, better
BL21.4 T·m +23%, better
Xmax6 mm +25%, better
Sensitivity95.3 dB −0.6
LavoceCAN123.00T
£401.07 · 206% more, worseFs46 Hz +24%, worse
Qts0.22 −8%
Vas91 L −25%, better
BL18.5 T·m +7%
Xmax6 mm +25%, better
Sensitivity97.9 dB +2, better
Oberton12B400
No current priceFs50 Hz +36%, worse
Qts0.25 +4%
Vas74.7 L −38%, better
BL18.4 T·m +6%
Xmax5.3 mm +9%
Sensitivity97.8 dB +1.9
Eighteen Sound12MB650
No current priceFs48 Hz +30%, worse
Qts0.23 −4%
Vas90 L −26%, better
BL19 T·m +10%
Xmax5.5 mm +15%, better
Sensitivity98.2 dB +2.3, better
Acoustic EleganceTD12M-8
No current priceFs38 Hz –
Qts0.25 +4%
Vas140 L +16%, worse
BL17 T·m –
Xmax6 mm +25%, better
Sensitivity96.6 dB +0.7
Oberton12H4CX72
No current priceFs50 Hz +35%, worse
Qts0.25 +5%
Vas74.7 L −38%, better
BL19.9 T·m +15%, better
Xmax4.5 mm −6%
Sensitivity97.6 dB +1.7
BMS12S302
No current priceFs45 Hz +22%, worse
Qts0.25 +5%
Vas65 L −46%, better
BL15.7 T·m −10%
Xmax4.5 mm −6%
Sensitivity95.5 dB –
Beyma12CXA400FE
No current priceFs42 Hz +14%, worse
Qts0.25 +4%
Vas94 L −22%, better
BL19.8 T·m +14%, better
Xmax6 mm +25%, better
Sensitivity96.3 dB –
Eighteen Sound12MB777
No current priceFs49 Hz +32%, worse
Qts0.19 −21%, better
Vas101 L −17%, better
BL17.8 T·m –
Xmax4.5 mm −6%
Sensitivity99.8 dB +3.9, better
LavoceCAN123.00TH
No current priceFs46 Hz +24%, worse
Qts0.22 −8%
Vas91 L −25%, better
BL18.5 T·m +7%
Xmax6 mm +25%, better
Sensitivity97.9 dB +2, better
Oberton12L300
No current priceFs54 Hz +45%, worse
Qts0.25 +6%
Vas79.6 L −34%, better
BL16.8 T·m −3%
Xmax3.3 mm −32%, worse
Sensitivity98.8 dB +2.9, better
Acoustic EleganceTD12H-8
No current priceFs27 Hz −28%, better
Qts0.23 −4%
Vas160 L +32%, worse
BL19.7 T·m +14%, better
Xmax14 mm +192%, better
Sensitivity92.9 dB −3, worse
RCFLF12G801
No current priceFs43 Hz +16%, worse
Qts0.22 −8%
Vas97 L −20%, better
BL19 T·m +10%
Xmax7 mm +46%, better
Sensitivity97.3 dB +1.4
RCFLF12P901
No current priceFs43 Hz +16%, worse
Qts0.22 −8%
Vas97 L −20%, better
BL19 T·m +10%
Xmax7 mm +46%, better
Sensitivity97.3 dB +1.4
Acoustic EleganceTD12H-4
No current priceFs27 Hz −28%, better
Qts0.23 −4%
Vas160 L +32%, worse
BL14.4 T·m −17%, worse
Xmax14 mm +192%, better
Sensitivity92.9 dB −3, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.6 out of 55 ratings · Checked 26 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Parts Express Import VAT and duty may apply | £130.90, the lowest price | 2 in stock | Visit shop at Parts Express | |
Lean Audio | £144.00 | 10% above the lowest price | Out of stock | Visit shop at Lean Audio |
Best price over time
Tracked since 30 Sep