LavoceWSF122.50
£75.52 · 55% less, betterFs49 Hz –
Qts0.33 +6%
Vas70.2 L +10%, worse
BL17.2 T·m –
Xmax4.7 mm +16%, better
Sensitivity95.8 dB –
12-inch LF driver · 76 mm voice coil · 450 W
REDCATT 12NPM 8Ω
8 Ω
No price for delivery to the UK
- Fs
- 49Hz
- Xmax
- 4.0mm
- SPL
- 96dB
- Pe
- 450W
- BL
- 17.3T·m
- Vd
- 215cm³
- Qts
- 0.31
- Vas
- 64L
REDCATT 12NPM is a 12-inch 8 ohm LF driver rated at 450 W RMS. The validated T/S data includes Fs 49 Hz, Qts 0.31, Vas 63.6 L, Xmax 4.0 mm, sensitivity 95.7 dB, plus 215 cm³ Vd and 153 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 £168.88.
The published T/S values agree with each other
Thiele/Small
- Fs
- 49Hz
- Qts
- 0.31
- Qes
- 0.32
- Qms
- 9.9
- Vas
- 63.6L
- Re
- 4.7Ω
- Le
- 0.65mH
Motor and cone
- BL
- 17.3T·m
- Sd
- 531cm²
- Mms
- 66g
- Xmax
- 4.0mm
- Vd †
- 215cm³
- Voice coil
- 76mm
Power and response
- Sensitivity †
- 95.7dB
- Manufacturer sensitivity
- 98dB
- Power
- 450W
- Impedance
- 8Ω
- EBP †
- 153 · Leans vented
Size and mounting
- Diameter
- 315mm
- Cutout
- 285mm
- Bolt circle
- 298mm
- Weight
- 4.1kg
Other published values
- Xmech
- 14.55
- Power Peak
- 1800
Other dimensions
- Mounting Depth
- 142.5
Sensitivity shows 95.7 dB, calculated from the T/S values. REDCATT publishes 98.0 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 12″
- BL
- 17.3T·m
- Fs
- 49Hz
- Le
- 0.65mH
- Re
- 4.7Ω
- Sd
- 531cm²
- Mms
- 66g
- Qes
- 0.32
- Qms
- 9.9
- Qts
- 0.31
- SPL
- 95.7dB
- Vas
- 63.6L
- Xmax
- 4.0mm
- Xmech
- 14.55
- Power
- 450W
- Impedance
- 8Ω
- Power Peak
- 1800
- Sensitivity
- 98dB
- Calculated sensitivity †
- 95.7dB
- Manufacturer sensitivity
- 98dB
- Voice coil
- 76mm
- Weight
- 4.1kg
- Diameter
- 315mm
- Mounting Depth
- 142.5
- Cutout
- 285mm
- Bolt circle
- 298mm
02
Compare
Same-size drivers, compared with the 12NPM. Clear differences are green when better and red when worse.
This driver12NPM
Best price
£168.88
Fs
49 Hz
Qts
0.31
Vas
63.6 L
BL
17.3 T·m
Xmax
4.0 mm
Sensitivity
95.7 dB
Power
450 W
B&C12CL64
£79.00 · 53% less, betterFs52 Hz +6%
Qts0.30 −3%
Vas64 L –
BL17.5 T·m –
Xmax4.5 mm +11%, better
Sensitivity96.5 dB +0.8
MonacorTF1225E/8
£105.60 · 37% less, betterFs53 Hz +7%
Qts0.33 +7%
Vas67 L +5%
BL17.7 T·m –
Xmax5 mm +23%, better
Sensitivity96.3 dB +0.6
CIAREPWA12.64
£115.74 · 31% less, betterFs55 Hz +12%, worse
Qts0.35 +13%, worse
Vas58 L −9%
BL17.6 T·m –
Xmax4.5 mm +11%, better
Sensitivity96.3 dB +0.6
B&C12HPL64
£118.27 · 30% less, betterFs52 Hz +6%
Qts0.32 +3%
Vas85 L +34%, worse
BL14.9 T·m −14%, worse
Xmax4 mm –
Sensitivity97.4 dB +1.7
B&C12FW64
£136.93 · 19% less, betterFs55 Hz +12%, worse
Qts0.29 −6%
Vas64 L –
BL15.5 T·m −10%, worse
Xmax5 mm +23%, better
Sensitivity97.3 dB +1.6
CelestionTN1230
£145.00 · 14% less, betterFs47 Hz −5%
Qts0.35 +13%, worse
Vas64.3 L –
BL18.6 T·m +7%
Xmax3.8 mm −7%
Sensitivity94.5 dB −1.2
Eighteen Sound12NCX750
£426.63 · 153% more, worseFs58 Hz +18%, worse
Qts0.29 −6%
Vas63 L –
BL17.5 T·m –
Xmax5.5 mm +36%, better
Sensitivity98 dB +2.3, better
Eighteen Sound12NCX910
£436.54 · 158% more, worseFs57 Hz +16%, worse
Qts0.30 −3%
Vas58 L −9%
BL18.1 T·m +5%
Xmax6.9 mm +70%, better
Sensitivity97.4 dB +1.7
Eighteen Sound12NCX750H
£444.75 · 163% more, worseFs58 Hz +18%, worse
Qts0.29 −6%
Vas63 L –
BL17.5 T·m –
Xmax5.5 mm +36%, better
Sensitivity98 dB +2.3, better
Eighteen Sound12NCX910N
£478.98 · 184% more, worseFs57 Hz +16%, worse
Qts0.30 −3%
Vas58 L −9%
BL18.1 T·m +5%
Xmax6.9 mm +70%, better
Sensitivity97.4 dB +1.7
P.Audio12BM-300B-V3
No current priceFs55 Hz +12%, worse
Qts0.34 +10%
Vas62.4 L –
BL17.1 T·m –
Xmax3.9 mm −4%
Sensitivity96.6 dB +0.9
P.Audio12BM-400B
No current priceFs55 Hz +12%, worse
Qts0.34 +10%
Vas62.4 L –
BL17.1 T·m –
Xmax3.9 mm −4%
Sensitivity96.6 dB +0.9
CelestionNTR12-3018D
No current priceFs59 Hz +20%, worse
Qts0.30 −5%
Vas50.4 L −21%, better
BL19.9 T·m +15%, better
Xmax4 mm –
Sensitivity97 dB +1.3
Oberton12NCX
No current priceFs58 Hz +19%, worse
Qts0.30 −3%
Vas62.9 L –
BL17.2 T·m –
Xmax5.3 mm +30%, better
Sensitivity98.1 dB +2.4, better
PRV Audio12MB2000FT
No current priceFs56 Hz +13%, worse
Qts0.32 +3%
Vas66.9 L +5%
BL17.7 T·m –
Xmax6 mm +48%, better
Sensitivity97.5 dB +1.8
Eighteen Sound12W600
No current priceFs50 Hz –
Qts0.30 −3%
Vas73 L +15%, worse
BL17.3 T·m –
Xmax6.5 mm +60%, better
Sensitivity96.6 dB +0.9
EminenceFS12.30A8
No current priceFs55 Hz +12%, worse
Qts0.36 +16%, worse
Vas61 L −4%
BL17 T·m –
Xmax4.3 mm +6%
Sensitivity96.3 dB +0.6
CelestionTN1225
No current priceFs61 Hz +25%, worse
Qts0.31 –
Vas63.7 L –
BL15.8 T·m −9%
Xmax2.5 mm −38%, worse
Sensitivity98.4 dB +2.7, better
JensenBP12250-8
No current priceFs50 Hz –
Qts0.32 +3%
Vas73.5 L +16%, worse
BL16.4 T·m −5%
Xmax3.1 mm −23%, worse
Sensitivity96.4 dB +0.7
Eighteen Sound12NCX910BE
No current priceFs57 Hz +16%, worse
Qts0.30 −3%
Vas58 L −9%
BL18.1 T·m +5%
Xmax6.9 mm +70%, better
Sensitivity97.4 dB +1.7
PRV Audio12MB2000FT-NDY
No current priceFs55 Hz +12%, worse
Qts0.30 −3%
Vas71.5 L +12%, worse
BL17.7 T·m –
Xmax6 mm +48%, better
Sensitivity97.9 dB +2.2, better
REDCATT125FPM
No current priceFs63 Hz +29%, worse
Qts0.31 –
Vas48.1 L −24%, better
BL17.2 T·m –
Xmax2.5 mm −37%, worse
Sensitivity97.6 dB +1.9
MonacorSP-312CX
No current priceFs55 Hz +12%, worse
Qts0.33 +6%
Vas64 L –
BL16.9 T·m –
Xmax3 mm −26%, worse
Sensitivity96.7 dB +1
CIARECSD124-22
No current priceFs34 Hz −31%, better
Qts0.30 −3%
Vas54 L −15%, better
BL18.2 T·m +5%
Xmax13 mm +221%, better
Sensitivity90.2 dB −5.5, worse
B&C12FL76
No current priceFs50 Hz –
Qts0.30 −3%
Vas57 L −10%, better
BL18.7 T·m +8%
Xmax6 mm +48%, better
Sensitivity95.5 dB –
Sica12 C 2.5 CP
No current priceFs51 Hz +3%
Qts0.30 −3%
Vas84.5 L +33%, worse
BL17.3 T·m –
Xmax5 mm +23%, better
Sensitivity97.5 dB +1.8
P.Audio12NT-76MB
No current priceFs55 Hz +12%, worse
Qts0.36 +16%, worse
Vas71.6 L +13%, worse
BL17.4 T·m –
Xmax4.5 mm +11%, better
Sensitivity97.1 dB +1.4
P.Audio12BMA-500B
No current priceFs57 Hz +16%, worse
Qts0.34 +10%
Vas61.4 L −3%
BL16.7 T·m −3%
Xmax5 mm +23%, better
Sensitivity97 dB +1.3
Oberton12NSW600
No current priceFs42 Hz −14%, better
Qts0.32 –
Vas62.3 L –
BL20.2 T·m +17%, better
Xmax14.3 mm +252%, better
Sensitivity93.5 dB −2.2, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
None of the shops we track lists delivery to the UK at checkout.