B&C12CL64
£79.00 · 20% less, betterFs52 Hz –
Qts0.30 −10%
Vas64 L −5%
BL17.5 T·m –
Xmax4.5 mm −14%, worse
Sensitivity96.5 dB –
12-inch LF driver · TF1225 series · 64 mm voice coil · 300 W
Celestion TF1225E 8Ω
8 Ω · 50–3000 Hz
£99.00
SteadyLean Audio · In stock · All 3 offers
- Fs
- 53Hz
- Xmax
- 5.3mm
- SPL
- 96dB
- Pe
- 300W
- BL
- 17.7T·m
- Vd
- 279cm³
- Qts
- 0.33
- Vas
- 68L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 1 trace
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
LF frequency response
Frequency response
137 plotted pointsMedium confidence208 selected pixels of 382
Published graphs
Celestion TF1225E is a 12-inch 8 ohm LF driver rated at 300 W RMS. The validated T/S data includes Fs 53 Hz, Qts 0.33, Vas 67.7 L, Xmax 5.3 mm, sensitivity 96.3 dB, plus 279 cm³ Vd and 143 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 £99.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 53Hz
- Qts
- 0.33
- Qes
- 0.37
- Qms
- 3.5
- Vas
- 67.7L
- Re
- 6.4Ω
- Le
- 1.32mH
Motor and cone
- BL
- 17.7T·m
- Sd
- 531cm²
- Mms
- 54g
- Xmax
- 5.3mm
- Vd †
- 279cm³
- Voice coil
- 64mm
Power and response
- Sensitivity †
- 96.3dB
- Manufacturer sensitivity
- 96dB
- Power
- 300W
- Impedance
- 8Ω
- Range
- 50–3000Hz
- EBP †
- 143 · Leans vented
Size and mounting
- Diameter
- 309mm
- Cutout
- 283mm
- Bolt circle
- 297mm
- Depth
- 139mm
- Weight
- 4.4kg
Other published values
- Cms
- 0.17mm/N
- Rms
- 5.08kg/s
- Power Program
- 600
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 12″
- BL
- 17.7T·m
- Fs
- 53Hz
- Le
- 1.32mH
- Re
- 6.4Ω
- Sd
- 531cm²
- Cms
- 0.17mm/N
- Mms
- 54g
- Qes
- 0.37
- Qms
- 3.5
- Qts
- 0.33
- Rms
- 5.08kg/s
- SPL
- 96.3dB
- Vas
- 67.7L
- Xmax
- 5.3mm
- Power
- 300W
- Impedance
- 8Ω
- Sensitivity
- 96dB
- Low limit
- 50Hz
- Power Program
- 600
- Calculated sensitivity †
- 96.3dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 96dB
- Voice coil
- 64mm
- Weight
- 4.4kg
- Diameter
- 309mm
- Depth
- 139mm
- Cutout
- 283mm
- Bolt circle
- 297mm
02
Compare
Same-size drivers, compared with the TF1225E. Clear differences are green when better and red when worse.
This driverTF1225E
Best price
£99.00
Fs
53 Hz
Qts
0.33
Vas
67.7 L
BL
17.7 T·m
Xmax
5.3 mm
Sensitivity
96.3 dB
Power
300 W
LavoceWSN122.50
£99.64 · Same priceFs53 Hz –
Qts0.36 +8%
Vas69.4 L –
BL15.8 T·m −10%, worse
Xmax4.7 mm −10%, worse
Sensitivity96.3 dB –
CIAREPWA12.64
£114.71 · 16% more, worseFs55 Hz +5%
Qts0.35 +5%
Vas58 L −14%, better
BL17.6 T·m –
Xmax4.5 mm −14%, worse
Sensitivity96.3 dB –
CelestionFTR12-3070C
£133.13 · 34% more, worseFs65 Hz +24%, worse
Qts0.32 −4%
Vas43.7 L −35%, better
BL18.6 T·m +5%
Xmax5.5 mm +5%
Sensitivity97.3 dB +1
CelestionTN1230
£145.00 · 46% more, worseFs47 Hz −11%, better
Qts0.35 +5%
Vas64.3 L −5%
BL18.6 T·m +5%
Xmax3.8 mm −29%, worse
Sensitivity94.5 dB −1.8
LavoceCAF123.00T
£257.89 · 160% more, worseFs53 Hz –
Qts0.36 +8%
Vas71.4 L +5%
BL15.2 T·m −14%, worse
Xmax6 mm +14%, better
Sensitivity96.4 dB –
LavoceCAF123.00TH
£268.19 · 171% more, worseFs53 Hz –
Qts0.36 +8%
Vas71.4 L +5%
BL15.2 T·m −14%, worse
Xmax6 mm +14%, better
Sensitivity96.4 dB –
B&C12FCX76
£294.14 · 197% more, worseFs47 Hz −11%, better
Qts0.34 –
Vas82 L +21%, worse
BL15.6 T·m −12%, worse
Xmax5 mm −5%
Sensitivity95.9 dB –
Eighteen Sound12NCX750
£426.63 · 331% more, worseFs58 Hz +10%, worse
Qts0.29 −13%, better
Vas63 L −7%
BL17.5 T·m –
Xmax5.5 mm +5%
Sensitivity98 dB +1.7
Eighteen Sound12NCX750H
£444.75 · 349% more, worseFs58 Hz +10%, worse
Qts0.29 −13%, better
Vas63 L −7%
BL17.5 T·m –
Xmax5.5 mm +5%
Sensitivity98 dB +1.7
Oberton12HCX
No current priceFs53 Hz –
Qts0.33 –
Vas55.5 L −18%, better
BL17.8 T·m –
Xmax5.3 mm –
Sensitivity95.6 dB −0.7
Oberton12CX
No current priceFs51 Hz –
Qts0.35 +4%
Vas58.5 L −14%, better
BL17.4 T·m –
Xmax5.3 mm –
Sensitivity95.4 dB −0.9
P.Audio12BMA-500B
No current priceFs57 Hz +8%
Qts0.34 –
Vas61.4 L −9%
BL16.7 T·m −5%
Xmax5 mm −5%
Sensitivity97 dB +0.7
MonacorSP-12A/302PA
No current priceFs50 Hz −5%
Qts0.34 –
Vas77 L +14%, worse
BL17.0 T·m −4%
Xmax5 mm −5%
Sensitivity96.4 dB –
P.Audio12BM-500B
No current priceFs52 Hz –
Qts0.35 +5%
Vas69.8 L +3%
BL16.6 T·m −6%
Xmax4.8 mm −9%
Sensitivity96.3 dB –
FaneCOLOSSUS 12MBH
No current priceFs48 Hz −9%
Qts0.34 –
Vas75 L +11%, worse
BL17.5 T·m –
Xmax6 mm +14%, better
Sensitivity95.8 dB −0.5
CIARE12.75W1
No current priceFs49 Hz −7%
Qts0.33 –
Vas67 L –
BL18.9 T·m +7%
Xmax6 mm +14%, better
Sensitivity95.7 dB −0.6
PRV Audio12MB2000FT
No current priceFs56 Hz +6%
Qts0.32 −4%
Vas66.9 L –
BL17.7 T·m –
Xmax6 mm +14%, better
Sensitivity97.5 dB +1.2
P.Audio12NT-76MB
No current priceFs55 Hz +5%
Qts0.36 +8%
Vas71.6 L +6%
BL17.4 T·m –
Xmax4.5 mm −14%, worse
Sensitivity97.1 dB +0.8
Oberton12NCX
No current priceFs58 Hz +11%, worse
Qts0.30 −10%
Vas62.9 L −7%
BL17.2 T·m –
Xmax5.3 mm –
Sensitivity98.1 dB +1.8
CelestionCNX1230
No current priceFs54 Hz –
Qts0.34 –
Vas68.4 L –
BL16.3 T·m −8%
Xmax6.5 mm +24%, better
Sensitivity96.8 dB +0.5
P.Audio12BM-300B-V3
No current priceFs55 Hz +5%
Qts0.34 –
Vas62.4 L −8%
BL17.1 T·m −3%
Xmax3.9 mm −26%, worse
Sensitivity96.6 dB –
P.Audio12BM-400B
No current priceFs55 Hz +5%
Qts0.34 –
Vas62.4 L −8%
BL17.1 T·m −3%
Xmax3.9 mm −26%, worse
Sensitivity96.6 dB –
EminenceFS12.30A8
No current priceFs55 Hz +5%
Qts0.36 +8%
Vas61 L −10%
BL17 T·m −4%
Xmax4.3 mm −18%, worse
Sensitivity96.3 dB –
MonacorSP-312CX
No current priceFs55 Hz +5%
Qts0.33 –
Vas64 L −5%
BL16.9 T·m −4%
Xmax3 mm −43%, worse
Sensitivity96.7 dB –
B&C12FL64
No current priceFs51 Hz −3%
Qts0.32 −4%
Vas50 L −26%, better
BL20.2 T·m +14%, better
Xmax5 mm −5%
Sensitivity94.9 dB −1.4
FaneCOLOSSUS 12MB
No current priceFs55 Hz +5%
Qts0.29 −14%, better
Vas56 L −17%, better
BL18.3 T·m +4%
Xmax5.5 mm +5%
Sensitivity96.5 dB –
PRV Audio12MB2000FT-NDY
No current priceFs55 Hz +5%
Qts0.30 −10%
Vas71.5 L +6%
BL17.7 T·m –
Xmax6 mm +14%, better
Sensitivity97.9 dB +1.6
REDCATT121XR
No current priceFs46 Hz −13%, better
Qts0.33 –
Vas69.1 L –
BL16 T·m −9%
Xmax6.3 mm +21%, better
Sensitivity94.1 dB −2.2, worse
Sica12 C 2.5 CP
No current priceFs51 Hz −4%
Qts0.30 −10%
Vas84.5 L +25%, worse
BL17.3 T·m –
Xmax5 mm −5%
Sensitivity97.5 dB +1.2
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express5.0 out of 52 ratings · Checked 25 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 |
|---|---|---|---|---|
Lean Audio | £99.00, the lowest price | In stock | Visit shop at Lean Audio | |
Lean Business | £99.00 | Stock not listed | Visit shop at Lean Business | |
Parts Express Import VAT and duty may apply | £100.99 | 2.0% above the lowest price | 3 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr