B&C12CL64
£79.00Fs52 Hz −17%, better
Qts0.30 −3%
Vas64 L +33%, worse
BL17.5 T·m –
Xmax4.5 mm +76%, better
Sensitivity96.5 dB −1.1
12-inch LF driver · 76 mm voice coil · 300 W
REDCATT 125FPM 8Ω
8 Ω
No current price
- Fs
- 63Hz
- Xmax
- 2.5mm
- SPL
- 98dB
- Pe
- 300W
- BL
- 17.2T·m
- Vd
- 135cm³
- Qts
- 0.31
- Vas
- 48L
REDCATT 125FPM is a 12-inch 8 ohm LF driver rated at 300 W RMS. The validated T/S data includes Fs 63 Hz, Qts 0.31, Vas 48.1 L, Xmax 2.5 mm, sensitivity 97.6 dB, plus 135 cm³ Vd and 191 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 63Hz
- Qts
- 0.31
- Qes
- 0.33
- Qms
- 7.1
- Vas
- 48.1L
- Re
- 4.5Ω
- Le
- 0.64mH
Motor and cone
- BL
- 17.2T·m
- Sd
- 531cm²
- Mms
- 53g
- Xmax
- 2.5mm
- Vd †
- 135cm³
- Voice coil
- 76mm
Power and response
- Sensitivity †
- 97.6dB
- Manufacturer sensitivity
- 100dB
- Power
- 300W
- Impedance
- 8Ω
- EBP †
- 191 · Leans vented
Size and mounting
- Diameter
- 311mm
- Cutout
- 282mm
- Bolt circle
- 295mm
- Weight
- 7kg
Other published values
- Xmech
- 12.55
- Power Peak
- 1200
Other dimensions
- Mounting Depth
- 127.3
Sensitivity shows 97.6 dB, calculated from the T/S values. REDCATT publishes 100.0 dB, 2.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 12″
- BL
- 17.2T·m
- Fs
- 63Hz
- Le
- 0.64mH
- Re
- 4.5Ω
- Sd
- 531cm²
- Mms
- 53g
- Qes
- 0.33
- Qms
- 7.1
- Qts
- 0.31
- SPL
- 97.6dB
- Vas
- 48.1L
- Xmax
- 2.5mm
- Xmech
- 12.55
- Power
- 300W
- Impedance
- 8Ω
- Power Peak
- 1200
- Sensitivity
- 100dB
- Calculated sensitivity †
- 97.6dB
- Manufacturer sensitivity
- 100dB
- Voice coil
- 76mm
- Weight
- 7kg
- Diameter
- 311mm
- Mounting Depth
- 127.3
- Cutout
- 282mm
- Bolt circle
- 295mm
02
Compare
Same-size drivers, compared with the 125FPM. Clear differences are green when better and red when worse.
This driver125FPM
Best price
–
Fs
63 Hz
Qts
0.31
Vas
48.1 L
BL
17.2 T·m
Xmax
2.5 mm
Sensitivity
97.6 dB
Power
300 W
CIAREPWA12.75
£123.79Fs53 Hz −16%, better
Qts0.30 −3%
Vas52 L +8%
BL19.6 T·m +14%, better
Xmax5.8 mm +127%, better
Sensitivity95.9 dB −1.7
CelestionFTR12-3070C
£135.75Fs65 Hz +3%
Qts0.32 +4%
Vas43.7 L −9%
BL18.6 T·m +8%
Xmax5.5 mm +116%, better
Sensitivity97.3 dB –
B&C12FW88
£163.69Fs53 Hz −16%, better
Qts0.33 +6%
Vas45.7 L −5%
BL19.5 T·m +13%, better
Xmax8 mm +214%, better
Sensitivity94.9 dB −2.7, worse
REDCATT12NPM
£170.67Fs49 Hz −22%, better
Qts0.31 –
Vas63.6 L +32%, worse
BL17.3 T·m –
Xmax4.0 mm +59%, better
Sensitivity95.7 dB −1.9
Eighteen Sound12LW1400
£260.72Fs45 Hz −29%, better
Qts0.30 −3%
Vas55 L +14%, worse
BL20 T·m +16%, better
Xmax8.3 mm +224%, better
Sensitivity94 dB −3.6, worse
Eighteen Sound12NW350
£277.82Fs54 Hz −14%, better
Qts0.34 +10%
Vas46 L −4%
BL19.2 T·m +12%, better
Xmax8.3 mm +225%, better
Sensitivity95.2 dB −2.4, worse
Eighteen Sound12NTLW3500
£297.09Fs53 Hz −16%, better
Qts0.33 +6%
Vas45 L −6%
BL19.5 T·m +13%, better
Xmax8.3 mm +225%, better
Sensitivity94.8 dB −2.8, worse
Dayton AudioRSS315HO-4
£297.96Fs26 Hz −58%, better
Qts0.31 –
Vas53.7 L +12%, worse
BL20 T·m +16%, better
Xmax12.3 mm +382%, better
Sensitivity86.7 dB −10.9, worse
Eighteen Sound12NCX750
£426.63Fs58 Hz −8%
Qts0.29 −6%
Vas63 L +31%, worse
BL17.5 T·m –
Xmax5.5 mm +116%, better
Sensitivity98 dB –
Eighteen Sound12NCX910
£436.54Fs57 Hz −10%
Qts0.30 −3%
Vas58 L +21%, worse
BL18.1 T·m +5%
Xmax6.9 mm +171%, better
Sensitivity97.4 dB –
Eighteen Sound12NCX750H
£444.75Fs58 Hz −8%
Qts0.29 −6%
Vas63 L +31%, worse
BL17.5 T·m –
Xmax5.5 mm +116%, better
Sensitivity98 dB –
Eighteen Sound12NCX910N
£478.98Fs57 Hz −10%
Qts0.30 −3%
Vas58 L +21%, worse
BL18.1 T·m +5%
Xmax6.9 mm +171%, better
Sensitivity97.4 dB –
CelestionTN1225
No current priceFs61 Hz –
Qts0.31 –
Vas63.7 L +32%, worse
BL15.8 T·m −8%
Xmax2.5 mm –
Sensitivity98.4 dB +0.8
CelestionCF1230F
No current priceFs57 Hz −10%, better
Qts0.32 –
Vas49.6 L +3%
BL18.3 T·m +7%
Xmax7.5 mm +194%, better
Sensitivity96.2 dB −1.4
CIARECSD124-22
No current priceFs34 Hz −46%, better
Qts0.30 −3%
Vas54 L +12%, worse
BL18.2 T·m +6%
Xmax13 mm +410%, better
Sensitivity90.2 dB −7.4, worse
MonacorSP-312CX
No current priceFs55 Hz −13%, better
Qts0.33 +6%
Vas64 L +33%, worse
BL16.9 T·m –
Xmax3 mm +18%, better
Sensitivity96.7 dB −0.9
CelestionNTR12-3018D
No current priceFs59 Hz −7%
Qts0.30 −5%
Vas50.4 L +5%
BL19.9 T·m +16%, better
Xmax4 mm +57%, better
Sensitivity97 dB −0.6
B&C12FL76
No current priceFs50 Hz −21%, better
Qts0.30 −3%
Vas57 L +19%, worse
BL18.7 T·m +9%
Xmax6 mm +135%, better
Sensitivity95.5 dB −2.1, worse
MonacorFTR12-3070C/8
No current priceFs65 Hz +3%
Qts0.32 +4%
Vas43.7 L −9%
BL18.6 T·m +8%
Xmax5.5 mm +116%, better
Sensitivity97.3 dB –
Eighteen Sound12NCX910BE
No current priceFs57 Hz −10%
Qts0.30 −3%
Vas58 L +21%, worse
BL18.1 T·m +5%
Xmax6.9 mm +171%, better
Sensitivity97.4 dB –
FaneCOLOSSUS 12MB
No current priceFs55 Hz −13%, better
Qts0.29 −8%
Vas56 L +16%, worse
BL18.3 T·m +6%
Xmax5.5 mm +116%, better
Sensitivity96.5 dB −1.1
Oberton12NCX
No current priceFs58 Hz −8%
Qts0.30 −3%
Vas62.9 L +31%, worse
BL17.2 T·m –
Xmax5.3 mm +106%, better
Sensitivity98.1 dB +0.5
Oberton12HCX
No current priceFs53 Hz −16%, better
Qts0.33 +7%
Vas55.5 L +15%, worse
BL17.8 T·m +4%
Xmax5.3 mm +106%, better
Sensitivity95.6 dB −2, worse
CelestionTSQ1230
No current priceFs55 Hz −13%, better
Qts0.30 –
Vas45.2 L −6%
BL20.5 T·m +19%, better
Xmax6.8 mm +165%, better
Sensitivity95.8 dB −1.8
P.Audio12NT-88MB
No current priceFs55 Hz −13%, better
Qts0.32 +3%
Vas49.1 L –
BL20.9 T·m +22%, better
Xmax5 mm +96%, better
Sensitivity95.8 dB −1.8
PRV Audio12MB2000FT
No current priceFs56 Hz −12%, better
Qts0.32 +3%
Vas66.9 L +39%, worse
BL17.7 T·m +3%
Xmax6 mm +135%, better
Sensitivity97.5 dB –
P.Audio12NX-76MB
No current priceFs55 Hz −13%, better
Qts0.31 –
Vas50.3 L +5%
BL21.4 T·m +24%, better
Xmax4.8 mm +86%, better
Sensitivity96.3 dB −1.3
JensenBP12250-8
No current priceFs50 Hz −20%, better
Qts0.32 +3%
Vas73.5 L +53%, worse
BL16.4 T·m −5%
Xmax3.1 mm +22%, better
Sensitivity96.4 dB −1.2
Sica12 PNS 4
No current priceFs42 Hz −34%, better
Qts0.31 –
Vas50.2 L +4%
BL22.3 T·m +30%, better
Xmax9.5 mm +273%, better
Sensitivity92.6 dB −5, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.