CelestionTF1225E
£99.00 · 32% less, betterFs53 Hz +13%, worse
Qts0.33 −5%
Vas67.7 L +5%
BL17.7 T·m −5%
Xmax5.3 mm +40%, better
Sensitivity96.3 dB +1.8
12-inch LF driver · TN1230 series · 75 mm voice coil · 350 W
Celestion TN1230 8Ω
8 Ω · 50–4500 Hz
£145.00
SteadyLean Business · All 3 offers
- Fs
- 47Hz
- Xmax
- 3.8mm
- SPL
- 95dB
- Pe
- 350W
- BL
- 18.6T·m
- Vd
- 199cm³
- Qts
- 0.35
- Vas
- 64L
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
130 plotted pointsMedium confidence133 selected pixels of 281
Published graphs
Celestion TN1230 is a 12-inch 8 ohm LF driver rated at 350 W RMS. The validated T/S data includes Fs 47 Hz, Qts 0.35, Vas 64.3 L, Xmax 3.8 mm, sensitivity 94.5 dB, plus 199 cm³ Vd and 126 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 £145.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 47Hz
- Qts
- 0.35
- Qes
- 0.37
- Qms
- 4.8
- Vas
- 64.3L
- Re
- 6.1Ω
- Le
- 0.99mH
Motor and cone
- BL
- 18.6T·m
- Sd
- 531cm²
- Mms
- 72g
- Xmax
- 3.8mm
- Vd †
- 199cm³
- Voice coil
- 75mm
Power and response
- Sensitivity †
- 94.5dB
- Manufacturer sensitivity
- 97dB
- Power
- 350W
- Impedance
- 8Ω
- Range
- 50–4500Hz
- EBP †
- 126 · Leans vented
Size and mounting
- Diameter
- 309mm
- Cutout
- 283mm
- Bolt circle
- 297mm
- Depth
- 132mm
- Weight
- 2.1kg
Other published values
- Cms
- 0.16mm/N
- Rms
- 4.45kg/s
- Power Program
- 700
Sensitivity shows 94.5 dB, calculated from the T/S values. Celestion publishes 97.0 dB, 2.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 12″
- BL
- 18.6T·m
- Fs
- 47Hz
- Le
- 0.99mH
- Re
- 6.1Ω
- Sd
- 531cm²
- Cms
- 0.16mm/N
- Mms
- 72g
- Qes
- 0.37
- Qms
- 4.8
- Qts
- 0.35
- Rms
- 4.45kg/s
- SPL
- 94.5dB
- Vas
- 64.3L
- Xmax
- 3.8mm
- Power
- 350W
- Impedance
- 8Ω
- Sensitivity
- 97dB
- Low limit
- 50Hz
- Power Program
- 700
- Calculated sensitivity †
- 94.5dB
- High limit
- 4500Hz
- Manufacturer sensitivity
- 97dB
- Voice coil
- 75mm
- Weight
- 2.1kg
- Diameter
- 309mm
- Depth
- 132mm
- Cutout
- 283mm
- Bolt circle
- 297mm
02
Compare
Same-size drivers, compared with the TN1230. Clear differences are green when better and red when worse.
This driverTN1230
Best price
£145.00
Fs
47 Hz
Qts
0.35
Vas
64.3 L
BL
18.6 T·m
Xmax
3.8 mm
Sensitivity
94.5 dB
Power
350 W
LavoceWSN122.50
£99.64 · 31% less, betterFs53 Hz +14%, worse
Qts0.36 –
Vas69.4 L +8%
BL15.8 T·m −15%, worse
Xmax4.7 mm +25%, better
Sensitivity96.3 dB +1.8
CIAREPWA12.64
£114.71 · 21% less, betterFs55 Hz +18%, worse
Qts0.35 –
Vas58 L −10%
BL17.6 T·m −5%
Xmax4.5 mm +20%, better
Sensitivity96.3 dB +1.8
Beyma12MCS500
£134.74 · 7% less, betterFs57 Hz +22%, worse
Qts0.36 –
Vas57 L −11%, better
BL17.6 T·m −5%
Xmax8 mm +113%, better
Sensitivity96.5 dB +2, better
Beyma12MC500
£150.88 · 4% moreFs57 Hz +22%, worse
Qts0.34 –
Vas57 L −11%, better
BL18.3 T·m –
Xmax8 mm +113%, better
Sensitivity96.8 dB +2.3, better
REDCATT12NPM
£167.38 · 15% more, worseFs49 Hz +5%
Qts0.31 −11%, better
Vas63.6 L –
BL17.3 T·m −7%
Xmax4.0 mm +8%
Sensitivity95.7 dB +1.2
Eighteen Sound12W700
£179.00 · 23% more, worseFs58 Hz +24%, worse
Qts0.36 –
Vas55 L −15%, better
BL17.7 T·m −5%
Xmax6.5 mm +73%, better
Sensitivity96.7 dB +2.2, better
FaitalPRO12HP1010
£191.59 · 32% more, worseFs45 Hz −3%
Qts0.34 –
Vas56.5 L −12%, better
BL19.8 T·m +7%
Xmax9.3 mm +147%, better
Sensitivity93.7 dB −0.8
Precision DevicesPD.124NR1
£219.00 · 51% more, worseFs58 Hz +24%, worse
Qts0.35 –
Vas49 L −24%, better
BL19.2 T·m +4%
Xmax8.5 mm +127%, better
Sensitivity96.2 dB +1.7
P.Audio12BM-300B-V3
No current priceFs55 Hz +18%, worse
Qts0.34 –
Vas62.4 L −3%
BL17.1 T·m −8%
Xmax3.9 mm +4%
Sensitivity96.6 dB +2.1, better
P.Audio12BM-400B
No current priceFs55 Hz +18%, worse
Qts0.34 –
Vas62.4 L −3%
BL17.1 T·m −8%
Xmax3.9 mm +4%
Sensitivity96.6 dB +2.1, better
EminenceFS12.30A8
No current priceFs55 Hz +18%, worse
Qts0.36 –
Vas61 L −5%
BL17 T·m −8%
Xmax4.3 mm +15%, better
Sensitivity96.3 dB +1.8
P.Audio12NT-76MB
No current priceFs55 Hz +18%, worse
Qts0.36 –
Vas71.6 L +11%, worse
BL17.4 T·m −6%
Xmax4.5 mm +20%, better
Sensitivity97.1 dB +2.6, better
MonacorSP-312CX
No current priceFs55 Hz +18%, worse
Qts0.33 −6%
Vas64 L –
BL16.9 T·m −9%
Xmax3 mm −20%, worse
Sensitivity96.7 dB +2.2, better
Sica12 L1 2.5 SL
No current priceFs48 Hz –
Qts0.36 –
Vas81.8 L +27%, worse
BL14.2 T·m −23%, worse
Xmax3.7 mm –
Sensitivity95.7 dB +1.2
P.Audio12BM-500B
No current priceFs52 Hz +12%, worse
Qts0.35 –
Vas69.8 L +8%
BL16.6 T·m −11%, worse
Xmax4.8 mm +28%, better
Sensitivity96.3 dB +1.8
Oberton12CX
No current priceFs51 Hz +10%
Qts0.35 –
Vas58.5 L −9%
BL17.4 T·m −6%
Xmax5.3 mm +40%, better
Sensitivity95.4 dB +0.9
P.Audio12FT-100MB
No current priceFs55 Hz +18%, worse
Qts0.40 +14%, worse
Vas46.4 L −28%, better
BL18.6 T·m –
Xmax3.7 mm –
Sensitivity94.6 dB –
Oberton12B45V
No current priceFs48 Hz –
Qts0.35 –
Vas58.5 L −9%
BL16.6 T·m −10%, worse
Xmax10.5 mm +180%, better
Sensitivity94.4 dB –
No photo
PHL Audio4021
No current priceFs35 Hz −25%, better
Qts0.35 –
Vas70 L +9%
BL20.5 T·m +11%, better
Xmax7.5 mm +100%, better
Sensitivity91.2 dB −3.3, worse
P.Audio12BMA-500B
No current priceFs57 Hz +22%, worse
Qts0.34 –
Vas61.4 L −5%
BL16.7 T·m −10%
Xmax5 mm +33%, better
Sensitivity97 dB +2.5, better
CIARE12.75W1
No current priceFs49 Hz +5%
Qts0.33 −6%
Vas67 L +4%
BL18.9 T·m –
Xmax6 mm +60%, better
Sensitivity95.7 dB +1.2
PeerlessSDF-300F75PR03-04
No current priceFs27 Hz −42%, better
Qts0.36 –
Vas45.5 L −29%, better
BL18.7 T·m –
Xmax25.2 mm +572%, better
Sensitivity85.9 dB −8.6, worse
Oberton12HCX
No current priceFs53 Hz +13%, worse
Qts0.33 −5%
Vas55.5 L −14%, better
BL17.8 T·m −4%
Xmax5.3 mm +40%, better
Sensitivity95.6 dB +1.1
CelestionTF1225CX
No current priceFs64 Hz +36%, worse
Qts0.36 –
Vas45.1 L −30%, better
BL17.5 T·m −6%
Xmax4.5 mm +20%, better
Sensitivity96.6 dB +2.1, better
CelestionCNX1230
No current priceFs54 Hz +16%, worse
Qts0.34 −4%
Vas68.4 L +6%
BL16.3 T·m −12%, worse
Xmax6.5 mm +73%, better
Sensitivity96.8 dB +2.3, better
Oberton12NMB35
No current priceFs54 Hz +17%, worse
Qts0.36 –
Vas54.3 L −16%, better
BL17 T·m −8%
Xmax6.8 mm +80%, better
Sensitivity95.7 dB +1.2
JensenBP12250-8
No current priceFs50 Hz +8%
Qts0.32 −9%
Vas73.5 L +14%, worse
BL16.4 T·m −12%, worse
Xmax3.1 mm −17%, worse
Sensitivity96.4 dB +1.9
Oberton12CX1
No current priceFs58 Hz +24%, worse
Qts0.37 +6%
Vas68.5 L +6%
BL13.9 T·m −25%, worse
Xmax4.3 mm +13%, better
Sensitivity97.2 dB +2.7, better
P.AudioEX12-500S
No current priceFs56 Hz +20%, worse
Qts0.40 +14%, worse
Vas54.5 L −15%, better
BL16.3 T·m −12%, worse
Xmax3.9 mm +4%
Sensitivity95.5 dB +1
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Business | £145.00, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £145.00 | 2 in stock | Visit shop at Lean Audio | |
Lean Audio | £145.00 | Out of stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr