CelestionTF1230S
£85.00 · 41% less, betterFs60 Hz +39%, worse
Qts0.37 –
Vas54.4 L −10%, better
BL16.6 T·m −10%
Xmax4.5 mm −36%, worse
Sensitivity96.5 dB +3.7, better
12-inch LF driver · CF1230 series · 75 mm voice coil · 350 W
Celestion CF1230BMB 8Ω
8 Ω · 50–3000 Hz
£145.00
SteadyLean Audio · 2 in stock · All 2 offers
- Fs
- 43Hz
- Xmax
- 7mm
- SPL
- 93dB
- Pe
- 350W
- BL
- 18.4T·m
- Vd
- 372cm³
- Qts
- 0.38
- Vas
- 61L
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 confidence154 selected pixels of 301
Published graphs
Celestion CF1230BMB is a 12-inch 8 ohm LF driver rated at 350 W RMS. The validated T/S data includes Fs 43 Hz, Qts 0.38, Vas 60.7 L, Xmax 7 mm, sensitivity 92.8 dB, plus 372 cm³ Vd and 104 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
- 43Hz
- Qts
- 0.38
- Qes
- 0.42
- Qms
- 4.5
- Vas
- 60.7L
- Re
- 5.8Ω
- Le
- 0.71mH
Motor and cone
- BL
- 18.4T·m
- Sd
- 531cm²
- Mms
- 88g
- Xmax
- 7mm
- Vd †
- 372cm³
- Voice coil
- 75mm
Power and response
- Sensitivity †
- 92.8dB
- Manufacturer sensitivity
- 96dB
- Power
- 350W
- Impedance
- 8Ω
- Range
- 50–3000Hz
- EBP †
- 104 · Leans vented
Size and mounting
- Diameter
- 315mm
- Cutout
- 285.6mm
- Bolt circle
- 300mm
- Depth
- 155.5mm
- Weight
- 6.8kg
Other published values
- Cms
- 0.15mm/N
- Rms
- 5.42kg/s
- Power Program
- 700
Sensitivity shows 92.8 dB, calculated from the T/S values. Celestion publishes 96.0 dB, 3.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 12″
- BL
- 18.4T·m
- Fs
- 43Hz
- Le
- 0.71mH
- Re
- 5.8Ω
- Sd
- 531cm²
- Cms
- 0.15mm/N
- Mms
- 88g
- Qes
- 0.42
- Qms
- 4.5
- Qts
- 0.38
- Rms
- 5.42kg/s
- SPL
- 92.8dB
- Vas
- 60.7L
- Xmax
- 7mm
- Power
- 350W
- Impedance
- 8Ω
- Sensitivity
- 96dB
- Low limit
- 50Hz
- Power Program
- 700
- Calculated sensitivity †
- 92.8dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 96dB
- Voice coil
- 75mm
- Weight
- 6.8kg
- Diameter
- 315mm
- Depth
- 155.5mm
- Cutout
- 285.6mm
- Bolt circle
- 300mm
02
Compare
Same-size drivers, compared with the CF1230BMB. Clear differences are green when better and red when worse.
This driverCF1230BMB
Best price
£145.00
Fs
43 Hz
Qts
0.38
Vas
60.7 L
BL
18.4 T·m
Xmax
7 mm
Sensitivity
92.8 dB
Power
350 W
PRV Audio12MB1000FT
£119.62 · 18% less, betterFs53 Hz +21%, worse
Qts0.37 –
Vas74.6 L +23%, worse
BL16.5 T·m −10%, worse
Xmax6.9 mm –
Sensitivity96.6 dB +3.8, better
Beyma12MCS500
£134.74 · 7% less, betterFs57 Hz +31%, worse
Qts0.36 −6%
Vas57 L −6%
BL17.6 T·m −4%
Xmax8 mm +14%, better
Sensitivity96.5 dB +3.7, better
Beyma12MC500
£150.88 · 4% moreFs57 Hz +31%, worse
Qts0.34 −11%, better
Vas57 L −6%
BL18.3 T·m –
Xmax8 mm +14%, better
Sensitivity96.8 dB +4, better
Sica12 SR 3 CP
£154.90 · 7% more, worseFs37 Hz −15%, better
Qts0.40 +5%
Vas60.9 L –
BL16.6 T·m −10%
Xmax8 mm +14%, better
Sensitivity90.3 dB −2.5, worse
EminenceOMEGA PRO-12-2KW-8
£172.05 · 19% more, worseFs48 Hz +11%, worse
Qts0.39 –
Vas49.5 L −18%, better
BL20.4 T·m +11%, better
Xmax7.1 mm –
Sensitivity93.4 dB +0.6
Eighteen Sound12W700
£179.00 · 23% more, worseFs58 Hz +34%, worse
Qts0.36 −6%
Vas55 L −9%
BL17.7 T·m −4%
Xmax6.5 mm −7%
Sensitivity96.7 dB +3.9, better
SB AudienceNERO-12MWN700D
£179.95 · 24% more, worseFs53 Hz +21%, worse
Qts0.38 –
Vas52.5 L −13%, better
BL17.9 T·m –
Xmax7.3 mm +4%
Sensitivity94.9 dB +2.1, better
Sica12 SR 3 PL
£208.49 · 44% more, worseFs36 Hz −17%, better
Qts0.42 +10%, worse
Vas60.4 L –
BL17.0 T·m −7%
Xmax7 mm –
Sensitivity90 dB −2.8, worse
LavoceCAF123.00T
£257.89 · 78% more, worseFs53 Hz +22%, worse
Qts0.36 −6%
Vas71.4 L +18%, worse
BL15.2 T·m −17%, worse
Xmax6 mm −14%, worse
Sensitivity96.4 dB +3.6, better
LavoceCAF123.00TH
£268.19 · 85% more, worseFs53 Hz +22%, worse
Qts0.36 −6%
Vas71.4 L +18%, worse
BL15.2 T·m −17%, worse
Xmax6 mm −14%, worse
Sensitivity96.4 dB +3.6, better
Eighteen Sound12NLW9300
£274.84 · 90% more, worseFs47 Hz +8%
Qts0.42 +10%, worse
Vas56 L −8%
BL17 T·m −8%
Xmax8 mm +14%, better
Sensitivity93.1 dB –
Eighteen Sound12NTLS3500
£299.50 · 107% more, worseFs41 Hz −6%
Qts0.41 +8%
Vas65 L +7%
BL17.8 T·m −3%
Xmax7.9 mm +13%, better
Sensitivity92.2 dB −0.6
FaitalPRO12HX240
£325.71 · 125% more, worseFs56 Hz +29%, worse
Qts0.37 –
Vas61.1 L –
BL16 T·m −13%, worse
Xmax7.4 mm +5%
Sensitivity96.5 dB +3.7, better
FaitalPRO12HX500
£386.84 · 167% more, worseFs55 Hz +27%, worse
Qts0.37 –
Vas57.8 L −5%
BL17.4 T·m −5%
Xmax9.3 mm +32%, better
Sensitivity95.9 dB +3.1, better
Eighteen Sound12NCX910
£436.54 · 201% more, worseFs57 Hz +31%, worse
Qts0.30 −21%, better
Vas58 L −4%
BL18.1 T·m –
Xmax6.9 mm –
Sensitivity97.4 dB +4.6, better
Eighteen Sound12NCX910N
£478.98 · 230% more, worseFs57 Hz +31%, worse
Qts0.30 −21%, better
Vas58 L −4%
BL18.1 T·m –
Xmax6.9 mm –
Sensitivity97.4 dB +4.6, better
Oberton12NMB35
No current priceFs54 Hz +25%, worse
Qts0.36 −6%
Vas54.3 L −11%, better
BL17 T·m −8%
Xmax6.8 mm −4%
Sensitivity95.7 dB +2.9, better
Eighteen Sound12NTLW2500
No current priceFs60 Hz +38%, worse
Qts0.38 –
Vas45 L −26%, better
BL17.4 T·m −5%
Xmax7.6 mm +9%
Sensitivity96 dB +3.2, better
PeerlessNCP-1230R01-08
No current priceFs63 Hz +45%, worse
Qts0.37 –
Vas46.3 L −24%, better
BL18.1 T·m –
Xmax7.9 mm +13%, better
Sensitivity96.7 dB +3.9, better
No photo
PHL Audio4511
No current priceFs48 Hz +11%, worse
Qts0.40 +5%
Vas74.1 L +22%, worse
BL15.1 T·m −18%, worse
Xmax7 mm –
Sensitivity94.6 dB +1.8
CIAREHSB322
No current priceFs36 Hz −17%, better
Qts0.37 –
Vas83 L +37%, worse
BL17 T·m −8%
Xmax7.5 mm +7%
Sensitivity91.9 dB −0.9
CelestionTF1230SL
No current priceFs57 Hz +31%, worse
Qts0.39 –
Vas53.8 L −11%, better
BL15.7 T·m −15%, worse
Xmax6 mm −14%, worse
Sensitivity95.6 dB +2.8, better
FaneCOLOSSUS 12MBN
No current priceFs55 Hz +27%, worse
Qts0.40 +4%
Vas56 L −8%
BL16.6 T·m −10%
Xmax5.5 mm −21%, worse
Sensitivity95.3 dB +2.5, better
Sica12 S 3 PL
No current priceFs42 Hz −3%
Qts0.34 −11%, better
Vas76.9 L +27%, worse
BL16.8 T·m −9%
Xmax7 mm –
Sensitivity94 dB +1.2
REDCATT121XR
No current priceFs46 Hz +6%
Qts0.33 −13%, better
Vas69.1 L +14%, worse
BL16 T·m −13%, worse
Xmax6.3 mm −9%
Sensitivity94.1 dB +1.3
No photo
PHL Audio4021
No current priceFs35 Hz −19%, better
Qts0.35 −8%
Vas70 L +15%, worse
BL20.5 T·m +12%, better
Xmax7.5 mm +7%
Sensitivity91.2 dB −1.6
CelestionCNX1230
No current priceFs54 Hz +24%, worse
Qts0.34 −12%, better
Vas68.4 L +13%, worse
BL16.3 T·m −11%, worse
Xmax6.5 mm −7%
Sensitivity96.8 dB +4, better
Eighteen Sound12NCX910BE
No current priceFs57 Hz +31%, worse
Qts0.30 −21%, better
Vas58 L −4%
BL18.1 T·m –
Xmax6.9 mm –
Sensitivity97.4 dB +4.6, better
EminenceFS12.30A8
No current priceFs55 Hz +27%, worse
Qts0.36 −6%
Vas61 L –
BL17 T·m −8%
Xmax4.3 mm −39%, worse
Sensitivity96.3 dB +3.5, better
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 Audio | £145.00, the lowest price | 2 in stock | Visit shop at Lean Audio | |
Parts Express Import VAT and duty may apply | £175.79 | 21% above the lowest price | 8 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr