Dayton AudioPA310-8
£82.27 · 31% less, betterFs39 Hz −13%, better
Qts0.29 +7%
Vas91.8 L −18%, better
BL18 T·m +18%, better
Xmax5 mm +56%, better
Sensitivity94.6 dB −3, worse
12-inch LF driver · KAPPA series · 450 W
Eminence KAPPA-12A 8Ω
8 Ω · 62–4200 Hz
£158.00
0.6%Thomann · In stock · All 4 offers
- Fs
- 45Hz
- Xmax
- 3.2mm
- SPL
- 98dB
- Pe
- 450W
- BL
- 15.2T·m
- Vd
- 166cm³
- Qts
- 0.27
- Vas
- 112L
Eminence KAPPA-12A is a 12-inch 8 ohm LF driver rated at 450 W RMS. The validated T/S data includes Fs 45 Hz, Qts 0.27, Vas 112.1 L, Xmax 3.2 mm, sensitivity 97.6 dB, plus 166 cm³ Vd and 161 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 £119.68.
The published T/S values agree with each other
Thiele/Small
- Fs
- 45Hz
- Qts
- 0.27
- Qes
- 0.28
- Qms
- 7.8
- Vas
- 112.1L
- Re
- 5.4Ω
- Le
- 0.77mH
Motor and cone
- BL
- 15.2T·m
- Sd
- 520cm²
- Mms
- 42g
- Xmax
- 3.2mm
- Vd †
- 166cm³
Power and response
- Sensitivity †
- 97.6dB
- Manufacturer sensitivity
- 99.3dB
- Power
- 450W
- Impedance
- 8Ω
- Range
- 62–4200Hz
- EBP †
- 161 · Leans vented
Size and mounting
- Diameter
- 311.4mm
- Cutout
- 279.4mm
- Bolt circle
- 297.4mm
- Depth
- 143.0mm
- Weight
- 6.8kg
Other published values
- Cms
- 0.30mm/N
- Xmech
- 11.5
- Power Program
- 900
Sensitivity shows 97.6 dB, calculated from the T/S values. Eminence publishes 99.3 dB, 1.7 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 12″
- BL
- 15.2T·m
- Fs
- 45Hz
- Le
- 0.77mH
- Re
- 5.4Ω
- Sd
- 520cm²
- Cms
- 0.30mm/N
- Mms
- 42g
- Qes
- 0.28
- Qms
- 7.8
- Qts
- 0.27
- SPL
- 97.6dB
- Vas
- 112.1L
- Xmax
- 3.2mm
- Xmech
- 11.5
- Power
- 450W
- Impedance
- 8Ω
- Sensitivity
- 99.3dB
- Low limit
- 62Hz
- Power Program
- 900
- Calculated sensitivity †
- 97.6dB
- High limit
- 4200Hz
- Manufacturer sensitivity
- 99.3dB
- Weight
- 6.8kg
- Diameter
- 311.4mm
- Depth
- 143.0mm
- Cutout
- 279.4mm
- Bolt circle
- 297.4mm
02
Compare
Same-size drivers, compared with the KAPPA-12A. Clear differences are green when better and red when worse.
This driverKAPPA-12A
Best price
£119.68
Fs
45 Hz
Qts
0.27
Vas
112.1 L
BL
15.2 T·m
Xmax
3.2 mm
Sensitivity
97.6 dB
Power
450 W
SB AudienceROSSO-12MW300
£106.55 · 11% less, betterFs48 Hz +7%
Qts0.27 –
Vas85.9 L −23%, better
BL17.4 T·m +14%, better
Xmax6.7 mm +109%, better
Sensitivity97.3 dB –
Beyma12WRS400
£122.29 · 2% moreFs42 Hz −7%
Qts0.29 +7%
Vas91 L −19%, better
BL17.4 T·m +14%, better
Xmax6.3 mm +97%, better
Sensitivity95.4 dB −2.2, worse
EminenceKAPPA PRO-12A
£130.90 · 9% more, worseFs37 Hz −18%, better
Qts0.24 −11%, better
Vas121 L +8%
BL17.3 T·m +14%, better
Xmax4.8 mm +50%, better
Sensitivity95.9 dB −1.7
B&C12HPL76
£135.13 · 13% more, worseFs49 Hz +9%
Qts0.25 −7%
Vas91 L −19%, better
BL17.3 T·m +14%, better
Xmax4 mm +25%, better
Sensitivity98.2 dB +0.6
B&C12FW64
£136.93 · 14% more, worseFs55 Hz +22%, worse
Qts0.29 +7%
Vas64 L −43%, better
BL15.5 T·m –
Xmax5 mm +56%, better
Sensitivity97.3 dB –
RCFMB12G301
£142.33 · 19% more, worseFs53 Hz +18%, worse
Qts0.27 –
Vas72 L −36%, better
BL17 T·m +12%, better
Xmax6 mm +87%, better
Sensitivity97.9 dB –
Beyma12WR400
£142.43 · 19% more, worseFs42 Hz −7%
Qts0.27 –
Vas91 L −19%, better
BL18 T·m +18%, better
Xmax6.3 mm +97%, better
Sensitivity95.8 dB −1.8
LavoceWAN123.00
£163.28 · 36% more, worseFs49 Hz +9%
Qts0.27 –
Vas68.8 L −39%, better
BL17.9 T·m +18%, better
Xmax6.9 mm +116%, better
Sensitivity96.6 dB −1
Eighteen Sound12W750
£166.62 · 39% more, worseFs49 Hz +9%
Qts0.28 +4%
Vas73 L −35%, better
BL18 T·m +18%, better
Xmax8 mm +150%, better
Sensitivity96.6 dB −1
FaitalPRO12FH500
£180.28 · 51% more, worseFs45 Hz –
Qts0.25 −7%
Vas87.3 L −22%, better
BL17.5 T·m +15%, better
Xmax7.5 mm +134%, better
Sensitivity96.9 dB −0.7
Eighteen Sound12NMB420
£187.96 · 57% more, worseFs53 Hz +18%, worse
Qts0.28 +4%
Vas105 L −6%
BL13.9 T·m −9%
Xmax4 mm +25%, better
Sensitivity99.2 dB +1.6
Sica12 N 3 PL
£207.65 · 74% more, worseFs46 Hz –
Qts0.30 +11%, worse
Vas87.9 L −22%, better
BL16 T·m +5%
Xmax5.5 mm +72%, better
Sensitivity96.4 dB −1.2
Eighteen Sound12NDA520
£230.40 · 93% more, worseFs50 Hz +11%, worse
Qts0.27 –
Vas111 L –
BL14.4 T·m −5%
Xmax4 mm +25%, better
Sensitivity99 dB +1.4
Eighteen Sound12ND830
£240.31 · 101% more, worseFs55 Hz +22%, worse
Qts0.28 +4%
Vas72 L −36%, better
BL17.6 T·m +16%, better
Xmax6.5 mm +103%, better
Sensitivity98 dB –
VisatonTIW 300
£411.54 · 244% more, worseFs25 Hz −44%, better
Qts0.28 +4%
Vas160 L +43%, worse
BL16.5 T·m +9%
Xmax7.5 mm +134%, better
Sensitivity91.2 dB −6.4, worse
Scanspeak28W/4878T01
£586.08 · 390% more, worseFs23 Hz −49%, better
Qts0.26 −4%
Vas104 L −7%
BL12 T·m −21%, worse
Xmax7 mm +119%, better
Sensitivity88.7 dB −8.9, worse
Scanspeak28W/8878T01
£586.08 · 390% more, worseFs22 Hz −51%, better
Qts0.31 +15%, worse
Vas116 L +3%
BL14.9 T·m –
Xmax7.5 mm +134%, better
Sensitivity87.8 dB −9.8, worse
Scanspeak32W/8878T11
£644.69 · 439% more, worseFs21 Hz −53%, better
Qts0.26 −4%
Vas235 L +110%, worse
BL16.5 T·m +9%
Xmax7.5 mm +134%, better
Sensitivity90.9 dB −6.7, worse
REDCATT123FPM
No current priceFs45 Hz –
Qts0.27 –
Vas98.5 L −12%, better
BL12.8 T·m −16%, worse
Xmax2.8 mm −14%, worse
Sensitivity96.9 dB −0.7
Oberton12L300
No current priceFs54 Hz +20%, worse
Qts0.25 −6%
Vas79.6 L −29%, better
BL16.8 T·m +10%, better
Xmax3.3 mm –
Sensitivity98.8 dB +1.2
PRV Audio12MB1000FT-4
No current priceFs46 Hz –
Qts0.27 –
Vas95.5 L −15%, better
BL14.5 T·m −4%
Xmax6.1 mm +92%, better
Sensitivity97.1 dB −0.5
EminenceLEGEND EM12
No current priceFs49 Hz +9%
Qts0.28 +4%
Vas102.3 L −9%
BL16.9 T·m +11%, better
Xmax1.3 mm −60%, worse
Sensitivity98.2 dB +0.6
CelestionFTR12-4075F
No current priceFs37 Hz −18%, better
Qts0.27 –
Vas89.2 L −20%, better
BL12.6 T·m −17%, worse
Xmax9 mm +181%, better
Sensitivity94 dB −3.6, worse
Acoustic EleganceTD12M-8
No current priceFs38 Hz −15%, better
Qts0.25 −7%
Vas140 L +25%, worse
BL17 T·m +12%, better
Xmax6 mm +87%, better
Sensitivity96.6 dB −1
BMS12S302
No current priceFs45 Hz –
Qts0.25 −6%
Vas65 L −42%, better
BL15.7 T·m –
Xmax4.5 mm +41%, better
Sensitivity95.5 dB −2.1, worse
JensenBP12250-8
No current priceFs50 Hz +12%, worse
Qts0.32 +19%, worse
Vas73.5 L −34%, better
BL16.4 T·m +8%
Xmax3.1 mm −3%
Sensitivity96.4 dB −1.2
Acoustic EleganceTD12X-8
No current priceFs34 Hz −24%, better
Qts0.28 +4%
Vas160 L +43%, worse
BL16.4 T·m +8%
Xmax14 mm +338%, better
Sensitivity95.1 dB −2.5, worse
MonacorSP-12/200PA
No current priceFs45 Hz –
Qts0.33 +22%, worse
Vas114 L –
BL15.4 T·m –
Xmax4 mm +25%, better
Sensitivity96.8 dB −0.8
Acoustic EleganceTD12M-4
No current priceFs38 Hz −15%, better
Qts0.25 −7%
Vas140 L +25%, worse
BL11.9 T·m −22%, worse
Xmax6 mm +87%, better
Sensitivity96.3 dB −1.3
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.7 out of 555 ratings · Checked 26 Oct 2026Read reviews on Thomann
- Parts Express4.8 out of 56 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 |
|---|---|---|---|---|
Thomann | £158.00, the lowest price | In stock | Visit shop at Thomann | |
Lean Audio | £112.00 | Out of stock | Visit shop at Lean Audio | |
Parts Express Import VAT and duty may apply | £119.68 | 6 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 22 OctThomann£159.00 → £158.00Down 0.6% from £159.00
- 19 AugThomann£161.00 → £159.00Down 1.2% from £161.00
- 3 AugThomann£160.00 → £161.00Up 0.6% from £160.00