CelestionTF1225E
£99.00 · 47% less, betterFs53 Hz –
Qts0.33 +4%
Vas67.7 L −17%, better
BL17.7 T·m +11%, better
Xmax5.3 mm −15%, worse
Sensitivity96.3 dB −1.1
12-inch LF driver · KAPPALITE series · 400 W
Eminence KAPPALITE 3012HO 8Ω
8 Ω · 51–3500 Hz
£198.05
SteadyBlue Aran · 3 in stock · All 5 offers
- Fs
- 52Hz
- Xmax
- 6.2mm
- SPL
- 97dB
- Pe
- 400W
- BL
- 15.9T·m
- Vd
- 330cm³
- Qts
- 0.32
- Vas
- 81L
Eminence KAPPALITE 3012HO is a 12-inch 8 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 52 Hz, Qts 0.32, Vas 81.1 L, Xmax 6.2 mm, sensitivity 97.4 dB, plus 330 cm³ Vd and 158 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 £187.01.
The published T/S values agree with each other
Thiele/Small
- Fs
- 52Hz
- Qts
- 0.32
- Qes
- 0.33
- Qms
- 8.4
- Vas
- 81.1L
- Re
- 5.5Ω
- Le
- 0.57mH
Motor and cone
- BL
- 15.9T·m
- Sd
- 532cm²
- Mms
- 47g
- Xmax
- 6.2mm
- Vd †
- 330cm³
Power and response
- Sensitivity †
- 97.4dB
- Manufacturer sensitivity
- 100.5dB
- Power
- 400W
- Impedance
- 8Ω
- Range
- 51–3500Hz
- EBP †
- 158 · Leans vented
Size and mounting
- Diameter
- 314.5mm
- Cutout
- 280.9mm
- Bolt circle
- 295.1mm
- Depth
- 143.0mm
- Weight
- 3.2kg
Other published values
- Cms
- 0.20mm/N
- Xmech
- 12.5
- Power Program
- 800
Sensitivity shows 97.4 dB, calculated from the T/S values. Eminence publishes 100.5 dB, 3.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 12″
- BL
- 15.9T·m
- Fs
- 52Hz
- Le
- 0.57mH
- Re
- 5.5Ω
- Sd
- 532cm²
- Cms
- 0.20mm/N
- Mms
- 47g
- Qes
- 0.33
- Qms
- 8.4
- Qts
- 0.32
- SPL
- 97.4dB
- Vas
- 81.1L
- Xmax
- 6.2mm
- Xmech
- 12.5
- Power
- 400W
- Impedance
- 8Ω
- Sensitivity
- 100.5dB
- Low limit
- 51Hz
- Power Program
- 800
- Calculated sensitivity †
- 97.4dB
- High limit
- 3500Hz
- Manufacturer sensitivity
- 100.5dB
- Weight
- 3.2kg
- Diameter
- 314.5mm
- Depth
- 143.0mm
- Cutout
- 280.9mm
- Bolt circle
- 295.1mm
02
Compare
Same-size drivers, compared with the KAPPALITE 3012HO. Clear differences are green when better and red when worse.
This driverKAPPALITE 3012HO
Best price
£187.01
Fs
52 Hz
Qts
0.32
Vas
81.1 L
BL
15.9 T·m
Xmax
6.2 mm
Sensitivity
97.4 dB
Power
400 W
Beyma12WRS400
£122.29 · 35% less, betterFs42 Hz −19%, better
Qts0.29 −9%
Vas91 L +12%, worse
BL17.4 T·m +9%
Xmax6.3 mm –
Sensitivity95.4 dB −2, worse
£125.00 · 33% less, better
Fs43 Hz −17%, better
Qts0.31 –
Vas107 L +32%, worse
BL16 T·m –
Xmax6 mm −3%
Sensitivity95.9 dB −1.5
B&C12HPL64
£132.00 · 29% less, betterFs52 Hz –
Qts0.32 –
Vas85 L +5%
BL14.9 T·m −6%
Xmax4 mm −35%, worse
Sensitivity97.4 dB –
B&C12FW64
£136.93 · 27% less, betterFs55 Hz +6%
Qts0.29 −9%
Vas64 L −21%, better
BL15.5 T·m –
Xmax5 mm −19%, worse
Sensitivity97.3 dB –
RCFMB12G301
£142.33 · 24% less, betterFs53 Hz –
Qts0.27 −16%, better
Vas72 L −11%, better
BL17 T·m +7%
Xmax6 mm −3%
Sensitivity97.9 dB +0.5
Beyma12G40
£153.72 · 18% less, betterFs44 Hz −15%, better
Qts0.30 −6%
Vas81 L –
BL18.4 T·m +16%, better
Xmax7 mm +13%, better
Sensitivity95.6 dB −1.8
SB AcousticsSB34SWPL76-4
£200.87 · 7% more, worseFs19 Hz −63%, better
Qts0.32 –
Vas79 L –
BL18.3 T·m +15%, better
Xmax15 mm +142%, better
Sensitivity84.2 dB −13.2, worse
Sica12 N 3 PL
£207.65 · 11% more, worseFs46 Hz −12%, better
Qts0.30 −6%
Vas87.9 L +8%
BL16 T·m –
Xmax5.5 mm −11%, worse
Sensitivity96.4 dB −1
Eighteen Sound12ND830
£240.31 · 29% more, worseFs55 Hz +6%
Qts0.28 −12%, better
Vas72 L −11%, better
BL17.6 T·m +11%, better
Xmax6.5 mm +5%
Sensitivity98 dB +0.6
LavoceCAF123.00T
£257.89 · 38% more, worseFs53 Hz –
Qts0.36 +12%, worse
Vas71.4 L −12%, better
BL15.2 T·m −4%
Xmax6 mm −3%
Sensitivity96.4 dB −1
LavoceCAF123.00TH
£268.19 · 43% more, worseFs53 Hz –
Qts0.36 +12%, worse
Vas71.4 L −12%, better
BL15.2 T·m −4%
Xmax6 mm −3%
Sensitivity96.4 dB −1
B&C12FCX76
£294.14 · 57% more, worseFs47 Hz −10%
Qts0.34 +6%
Vas82 L –
BL15.6 T·m –
Xmax5 mm −19%, worse
Sensitivity95.9 dB −1.5
Eighteen Sound12NCX750
£426.63 · 128% more, worseFs58 Hz +12%, worse
Qts0.29 −9%
Vas63 L −22%, better
BL17.5 T·m +10%, better
Xmax5.5 mm −11%, worse
Sensitivity98 dB +0.6
Eighteen Sound12NCX750H
£444.75 · 138% more, worseFs58 Hz +12%, worse
Qts0.29 −9%
Vas63 L −22%, better
BL17.5 T·m +10%, better
Xmax5.5 mm −11%, worse
Sensitivity98 dB +0.6
Eighteen Sound12MB606
No current priceFs50 Hz −4%
Qts0.32 –
Vas84 L +4%
BL16 T·m –
Xmax6.5 mm +5%
Sensitivity96.9 dB −0.5
PRV Audio12MB2000FT
No current priceFs56 Hz +7%
Qts0.32 –
Vas66.9 L −18%, better
BL17.7 T·m +12%, better
Xmax6 mm −3%
Sensitivity97.5 dB –
FaneCOLOSSUS 12MBH
No current priceFs48 Hz −8%
Qts0.34 +5%
Vas75 L −8%
BL17.5 T·m +10%, better
Xmax6 mm −3%
Sensitivity95.8 dB −1.6
Eighteen Sound12W600
No current priceFs50 Hz −4%
Qts0.30 −6%
Vas73 L −10%
BL17.3 T·m +9%
Xmax6.5 mm +5%
Sensitivity96.6 dB −0.8
CelestionCNX1230
No current priceFs54 Hz +4%
Qts0.34 +5%
Vas68.4 L −16%, better
BL16.3 T·m –
Xmax6.5 mm +5%
Sensitivity96.8 dB −0.6
PRV Audio12MB2000FT-NDY
No current priceFs55 Hz +6%
Qts0.30 −6%
Vas71.5 L −12%, better
BL17.7 T·m +12%, better
Xmax6 mm −3%
Sensitivity97.9 dB +0.5
CIARE12.75W1
No current priceFs49 Hz −6%
Qts0.33 +3%
Vas67 L −17%, better
BL18.9 T·m +19%, better
Xmax6 mm −3%
Sensitivity95.7 dB −1.7
REDCATT121XR
No current priceFs46 Hz −12%, better
Qts0.33 +3%
Vas69.1 L −15%, better
BL16 T·m –
Xmax6.3 mm –
Sensitivity94.1 dB −3.3, worse
Sica12 S 3 PL
No current priceFs42 Hz −19%, better
Qts0.34 +6%
Vas76.9 L −5%
BL16.8 T·m +6%
Xmax7 mm +13%, better
Sensitivity94 dB −3.4, worse
JensenBP12250-8
No current priceFs50 Hz −3%
Qts0.32 –
Vas73.5 L −9%
BL16.4 T·m +3%
Xmax3.1 mm −50%, worse
Sensitivity96.4 dB −1
MonacorSP-12A/302PA
No current priceFs50 Hz −4%
Qts0.34 +6%
Vas77 L −5%
BL17.0 T·m +7%
Xmax5 mm −19%, worse
Sensitivity96.4 dB −1
Sica12 C 2.5 CP
No current priceFs51 Hz –
Qts0.30 −6%
Vas84.5 L +4%
BL17.3 T·m +9%
Xmax5 mm −19%, worse
Sensitivity97.5 dB –
B&C12FL76
No current priceFs50 Hz −4%
Qts0.30 −6%
Vas57 L −30%, better
BL18.7 T·m +18%, better
Xmax6 mm −3%
Sensitivity95.5 dB −1.9
Eighteen Sound12NTLX3500
No current priceFs39 Hz −25%, better
Qts0.33 +3%
Vas79.6 L –
BL17.1 T·m +8%
Xmax7.9 mm +27%, better
Sensitivity93.3 dB −4.1, worse
Oberton12NCX
No current priceFs58 Hz +12%, worse
Qts0.30 −6%
Vas62.9 L −22%, better
BL17.2 T·m +8%
Xmax5.3 mm −15%, worse
Sensitivity98.1 dB +0.7
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.9 out of 516 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 |
|---|---|---|---|---|
Blue Aran | £198.05, the lowest price | 3 in stock | Visit shop at Blue Aran | |
Lean Audio | £210.00 | 6.0% above the lowest price | Out of stock | Visit shop at Lean Audio |
Lean Business | £215.00 | 8.6% above the lowest price | Stock not listed | Visit shop at Lean Business |
Parts Express Import VAT and duty may apply | £187.01 | 4 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 7 AugBlue Aran£214.97 → £198.05Down 7.9% from £214.97