RCFLF12G301
£109.81Fs43 Hz −9%
Qts0.22 −4%
Vas97 L +49%, worse
BL19 T·m −14%, worse
Xmax7 mm –
Sensitivity97.3 dB +0.8
12-inch LF driver · 76 mm voice coil · 500 W
RCF LF12P903 8Ω
8 Ω · 40–2000 Hz
No current price
- Fs
- 47Hz
- Xmax
- 7mm
- SPL
- 97dB
- Pe
- 500W
- BL
- 22.1T·m
- Vd
- 371cm³
- Qts
- 0.23
- Vas
- 65L
RCF LF12P903 is a 12-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 47 Hz, Qts 0.23, Vas 65 L, Xmax 7 mm, sensitivity 96.5 dB, plus 371 cm³ Vd and 196 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
- 47Hz
- Qts
- 0.23
- Qes
- 0.24
- Qms
- 4.2
- Vas
- 65L
- Re
- 5.7Ω
- Le
- 1.06mH
Motor and cone
- BL
- 22.1T·m
- Sd
- 530cm²
- Mms
- 70g
- Xmax
- 7mm
- Vd †
- 371cm³
- Voice coil
- 76mm
Power and response
- Sensitivity †
- 96.5dB
- Manufacturer sensitivity
- 97.8dB
- Power
- 500W
- Impedance
- 8Ω
- Min. impedance
- 8.2Ω
- Range
- 40–2000Hz
- EBP †
- 196 · Leans vented
Size and mounting
- Diameter
- 320mm
- Cutout
- 282mm
- Bolt circle
- 304mm
- Weight
- 7kg
Other published values
- Xmech
- 36
- Power Program
- 1000
Sensitivity shows 96.5 dB, calculated from the T/S values. RCF publishes 97.8 dB, 1.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else RCF lists
LF · Primary · 12″
- BL
- 22.1T·m
- Fs
- 47Hz
- Le
- 1.06mH
- Re
- 5.7Ω
- Sd
- 530cm²
- Mms
- 70g
- Qes
- 0.24
- Qms
- 4.2
- Qts
- 0.23
- SPL
- 96.5dB
- Vas
- 65L
- Xmax
- 7mm
- Xmech
- 36
- Power
- 500W
- Impedance
- 8Ω
- Sensitivity
- 97.8dB
- Low limit
- 40Hz
- Power Program
- 1000
- Calculated sensitivity †
- 96.5dB
- High limit
- 2000Hz
- Manufacturer sensitivity
- 97.8dB
- Min. impedance
- 8.2Ω
- Voice coil
- 76mm
- Weight
- 7kg
- Diameter
- 320mm
- Cutout
- 282mm
- Bolt circle
- 304mm
02
Compare
Same-size drivers, compared with the LF12P903. Clear differences are green when better and red when worse.
This driverLF12P903
Best price
–
Fs
47 Hz
Qts
0.23
Vas
65 L
BL
22.1 T·m
Xmax
7 mm
Sensitivity
96.5 dB
Power
500 W
Beyma12MI100
£153.44Fs58 Hz +23%, worse
Qts0.22 −4%
Vas64 L –
BL21.6 T·m –
Xmax3 mm −57%, worse
Sensitivity99.4 dB +2.9, better
FaitalPRO12FH510
£163.54Fs45 Hz −4%
Qts0.24 +4%
Vas81.3 L +25%, worse
BL18.9 T·m −15%, worse
Xmax7.5 mm +7%
Sensitivity96.7 dB –
B&C12NDL76
£164.95Fs50 Hz +6%
Qts0.20 −13%, better
Vas73 L +12%, worse
BL20.1 T·m −9%
Xmax7 mm –
Sensitivity98.4 dB +1.9
Precision DevicesPD.121/2
£168.00Fs53 Hz +13%, worse
Qts0.23 –
Vas66.6 L –
BL21.5 T·m −3%
Xmax2.7 mm −61%, worse
Sensitivity98.4 dB +1.9
RCFMB12N301
£183.23Fs54 Hz +15%, worse
Qts0.24 +4%
Vas71 L +9%
BL19 T·m −14%, worse
Xmax6 mm −14%, worse
Sensitivity98.4 dB +1.9
RCFMB12X351
£187.93Fs55 Hz +17%, worse
Qts0.26 +13%, worse
Vas46 L −29%, better
BL22.5 T·m –
Xmax7 mm –
Sensitivity96.6 dB –
BMS12S330
£204.98Fs29 Hz −39%, better
Qts0.24 +4%
Vas85.5 L +32%, worse
BL23 T·m +4%
Xmax8 mm +14%, better
Sensitivity91.1 dB −5.4, worse
Beyma12MC700ND
£209.29Fs51 Hz +9%
Qts0.24 +4%
Vas58 L −11%, better
BL21.6 T·m –
Xmax7 mm –
Sensitivity96.7 dB –
RCFMB12N351
£225.00Fs55 Hz +17%, worse
Qts0.20 −13%, better
Vas61 L −6%
BL22.5 T·m –
Xmax6 mm −14%, worse
Sensitivity98.9 dB +2.4, better
Eighteen Sound12ND730
£230.40Fs45 Hz −4%
Qts0.23 –
Vas90 L +38%, worse
BL19.2 T·m −13%, worse
Xmax6.5 mm −7%
Sensitivity97.4 dB +0.9
Eighteen Sound12ND930
£248.59Fs50 Hz +6%
Qts0.21 −9%
Vas70 L +8%
BL21.2 T·m −4%
Xmax6.5 mm −7%
Sensitivity98 dB +1.5
BMS12N802
£271.01Fs43 Hz −9%
Qts0.24 +4%
Vas65 L –
BL22.3 T·m –
Xmax4.5 mm −36%, worse
Sensitivity95.2 dB −1.3
BMS12N803
£285.67Fs41 Hz −13%, better
Qts0.24 +4%
Vas77 L +18%, worse
BL21.4 T·m −4%
Xmax6 mm −14%, worse
Sensitivity95.3 dB −1.2
Sica12 S 4 PL
£334.09Fs40 Hz −14%, better
Qts0.25 +9%
Vas57 L −12%, better
BL23.5 T·m +6%
Xmax7.5 mm +7%
Sensitivity93.6 dB −2.9, worse
Beyma12P80ND
£375.61Fs47 Hz –
Qts0.19 −17%, better
Vas65 L –
BL23.7 T·m +7%
Xmax7.5 mm +7%
Sensitivity97.3 dB +0.8
Oberton12B401
No current priceFs47 Hz –
Qts0.24 +7%
Vas69.6 L +7%
BL19.9 T·m −10%
Xmax6.8 mm −4%
Sensitivity96.5 dB –
Oberton12B450
No current priceFs46 Hz –
Qts0.23 –
Vas71.8 L +10%, worse
BL19.3 T·m −13%, worse
Xmax7.8 mm +11%, better
Sensitivity96.7 dB –
No photo
PHL Audio4071-1
No current priceFs47 Hz –
Qts0.24 +4%
Vas57.8 L −11%, better
BL20.6 T·m −7%
Xmax6.5 mm −7%
Sensitivity95.7 dB −0.8
Sica12 K 4 PL
No current priceFs49 Hz +3%
Qts0.25 +9%
Vas47.4 L −27%, better
BL22.9 T·m +3%
Xmax7 mm –
Sensitivity95 dB −1.5
No photo
PHL Audio4330NDU
No current priceFs36 Hz −23%, better
Qts0.22 −4%
Vas82.6 L +27%, worse
BL22 T·m –
Xmax8 mm +14%, better
Sensitivity94.3 dB −2.2, worse
Precision DevicesPD.124NR1-LR
No current priceFs45 Hz −4%
Qts0.23 –
Vas78 L +20%, worse
BL22 T·m –
Xmax8.5 mm +21%, better
Sensitivity96.9 dB –
Eighteen Sound12ND940
No current priceFs49 Hz +4%
Qts0.20 −13%, better
Vas64.8 L –
BL22.2 T·m –
Xmax7.6 mm +9%
Sensitivity97.8 dB +1.3
RCFMB12N405
No current priceFs52 Hz +11%, worse
Qts0.20 −13%, better
Vas53 L −18%, better
BL23.5 T·m +6%
Xmax7 mm –
Sensitivity97.5 dB +1
LavoceNBASS12-30
No current priceFs46 Hz –
Qts0.26 +13%, worse
Vas68.6 L +6%
BL19.5 T·m −12%, worse
Xmax6.6 mm −6%
Sensitivity96 dB −0.5
RCFLF12G801
No current priceFs43 Hz −9%
Qts0.22 −4%
Vas97 L +49%, worse
BL19 T·m −14%, worse
Xmax7 mm –
Sensitivity97.3 dB +0.8
RCFLF12P901
No current priceFs43 Hz −9%
Qts0.22 −4%
Vas97 L +49%, worse
BL19 T·m −14%, worse
Xmax7 mm –
Sensitivity97.3 dB +0.8
Oberton12NB450
No current priceFs46 Hz –
Qts0.20 −11%, better
Vas72.6 L +12%, worse
BL20.3 T·m −8%
Xmax7.8 mm +11%, better
Sensitivity97.5 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
No current price found. Pricing may appear after the next vendor refresh.