B&C12CL64
£79.00Fs52 Hz −5%
Qts0.30 −9%
Vas64 L –
BL17.5 T·m +4%
Xmax4.5 mm +50%, better
Sensitivity96.5 dB –
12-inch LF driver · SP series · 75 mm voice coil · 250 W
Monacor SP-312CX 8Ω
8 Ω · 3–3000 Hz
No current price
- Fs
- 55Hz
- Xmax
- 3mm
- SPL
- 97dB
- Pe
- 250W
- BL
- 16.9T·m
- Vd
- 162cm³
- Qts
- 0.33
- Vas
- 64L
Monacor SP-312CX is a 12-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 55 Hz, Qts 0.33, Vas 64 L, Xmax 3 mm, sensitivity 96.7 dB, plus 162 cm³ Vd and 153 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
- 55Hz
- Qts
- 0.33
- Qes
- 0.36
- Qms
- 3.7
- Vas
- 64L
- Re
- 5.6Ω
- Le
- 1.10mH
Motor and cone
- BL
- 16.9T·m
- Sd
- 540cm²
- Mms
- 56g
- Xmax
- 3mm
- Vd †
- 162cm³
- Voice coil
- 75mm
Power and response
- Sensitivity †
- 96.7dB
- Manufacturer sensitivity
- 97dB
- Power
- 250W
- Impedance
- 8Ω
- Range
- 3–3000Hz
- EBP †
- 153 · Leans vented
Size and mounting
- Diameter
- 312mm
- Cutout
- 280mm
- Depth
- 210mm
- Weight
- 8.1kg
Other published values
- Cms
- 0.16mm/N
- Power Peak
- 500
Other dimensions
- Mounting Depth
- 195.5
Excursion and motor values come from the LF section; the frequency range spans every section.
† Calculated by bits from the published values
What this validation status means
Components and manufacturer details
LF · Primary · 12″
- BL
- 16.9T·m
- Fs
- 55Hz
- Le
- 1.10mH
- Re
- 5.6Ω
- Sd
- 540cm²
- Cms
- 0.16mm/N
- Mms
- 56g
- Qes
- 0.36
- Qms
- 3.7
- Qts
- 0.33
- SPL
- 96.7dB
- Vas
- 64L
- Xmax
- 3mm
- Power
- 250W
- Impedance
- 8Ω
- Power Peak
- 500
- Sensitivity
- 97dB
- Low limit
- 3Hz
- Calculated sensitivity †
- 96.7dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 97dB
- Voice coil
- 75mm
- Weight
- 8.1kg
- Diameter
- 312mm
- Depth
- 210mm
- Mounting Depth
- 195.5
- Cutout
- 280mm
02
Compare
Same-size drivers, compared with the SP-312CX. Clear differences are green when better and red when worse.
This driverSP-312CX
Best price
–
Fs
55 Hz
Qts
0.33
Vas
64 L
BL
16.9 T·m
Xmax
3 mm
Sensitivity
96.7 dB
Power
250 W
CelestionTF1225E
£99.00Fs53 Hz −4%
Qts0.33 –
Vas67.7 L +6%
BL17.7 T·m +4%
Xmax5.3 mm +75%, better
Sensitivity96.3 dB –
CIAREPWA12.64
£114.71Fs55 Hz –
Qts0.35 +6%
Vas58 L −9%
BL17.6 T·m +4%
Xmax4.5 mm +50%, better
Sensitivity96.3 dB –
Beyma12MCS500
£134.74Fs57 Hz +4%
Qts0.36 +9%
Vas57 L −11%, better
BL17.6 T·m +4%
Xmax8 mm +167%, better
Sensitivity96.5 dB –
CelestionTN1230
£145.00Fs47 Hz −15%, better
Qts0.35 +6%
Vas64.3 L –
BL18.6 T·m +10%
Xmax3.8 mm +25%, better
Sensitivity94.5 dB −2.2, worse
Beyma12MC500
£150.88Fs57 Hz +4%
Qts0.34 +3%
Vas57 L −11%, better
BL18.3 T·m +8%
Xmax8 mm +167%, better
Sensitivity96.8 dB –
REDCATT12NPM
£167.38Fs49 Hz −11%, better
Qts0.31 −6%
Vas63.6 L –
BL17.3 T·m –
Xmax4.0 mm +35%, better
Sensitivity95.7 dB −1
Eighteen Sound12W700
£179.00Fs58 Hz +5%
Qts0.36 +9%
Vas55 L −14%, better
BL17.7 T·m +5%
Xmax6.5 mm +117%, better
Sensitivity96.7 dB –
JensenBP12250-8
No current priceFs50 Hz −9%
Qts0.32 −3%
Vas73.5 L +15%, worse
BL16.4 T·m –
Xmax3.1 mm +3%
Sensitivity96.4 dB –
CelestionTN1225
No current priceFs61 Hz +12%, worse
Qts0.31 −7%
Vas63.7 L –
BL15.8 T·m −7%
Xmax2.5 mm −17%, worse
Sensitivity98.4 dB +1.7
P.Audio12BM-300B-V3
No current priceFs55 Hz –
Qts0.34 +3%
Vas62.4 L –
BL17.1 T·m –
Xmax3.9 mm +30%, better
Sensitivity96.6 dB –
P.Audio12BM-400B
No current priceFs55 Hz –
Qts0.34 +3%
Vas62.4 L –
BL17.1 T·m –
Xmax3.9 mm +30%, better
Sensitivity96.6 dB –
P.Audio12BMA-500B
No current priceFs57 Hz +4%
Qts0.34 +3%
Vas61.4 L −4%
BL16.7 T·m –
Xmax5 mm +67%, better
Sensitivity97 dB –
CelestionCNX1230
No current priceFs54 Hz –
Qts0.34 –
Vas68.4 L +7%
BL16.3 T·m −3%
Xmax6.5 mm +117%, better
Sensitivity96.8 dB –
REDCATT125FPM
No current priceFs63 Hz +15%, worse
Qts0.31 −6%
Vas48.1 L −25%, better
BL17.2 T·m –
Xmax2.5 mm −15%, worse
Sensitivity97.6 dB +0.9
Oberton12HCX
No current priceFs53 Hz −4%
Qts0.33 –
Vas55.5 L −13%, better
BL17.8 T·m +5%
Xmax5.3 mm +75%, better
Sensitivity95.6 dB −1.1
Oberton12CX
No current priceFs51 Hz −7%
Qts0.35 +5%
Vas58.5 L −9%
BL17.4 T·m –
Xmax5.3 mm +75%, better
Sensitivity95.4 dB −1.3
Sica12 S 3 PL
No current priceFs42 Hz −24%, better
Qts0.34 +3%
Vas76.9 L +20%, worse
BL16.8 T·m –
Xmax7 mm +133%, better
Sensitivity94 dB −2.7, worse
Eighteen Sound12NTLX3500
No current priceFs39 Hz −29%, better
Qts0.33 –
Vas79.6 L +24%, worse
BL17.1 T·m –
Xmax7.9 mm +163%, better
Sensitivity93.3 dB −3.4, worse
FaneCOLOSSUS 12MBH
No current priceFs48 Hz −13%, better
Qts0.34 –
Vas75 L +17%, worse
BL17.5 T·m +4%
Xmax6 mm +100%, better
Sensitivity95.8 dB −0.9
P.Audio12BM-500B
No current priceFs52 Hz −5%
Qts0.35 +6%
Vas69.8 L +9%
BL16.6 T·m –
Xmax4.8 mm +60%, better
Sensitivity96.3 dB –
MonacorSP-12A/302PA
No current priceFs50 Hz −9%
Qts0.34 +3%
Vas77 L +20%, worse
BL17.0 T·m –
Xmax5 mm +67%, better
Sensitivity96.4 dB –
PRV Audio12MB2000FT
No current priceFs56 Hz –
Qts0.32 −3%
Vas66.9 L +5%
BL17.7 T·m +5%
Xmax6 mm +100%, better
Sensitivity97.5 dB +0.8
Oberton12B45V
No current priceFs48 Hz −13%, better
Qts0.35 +7%
Vas58.5 L −9%
BL16.6 T·m –
Xmax10.5 mm +250%, better
Sensitivity94.4 dB −2.3, worse
CIARE12.75W1
No current priceFs49 Hz −11%, better
Qts0.33 –
Vas67 L +5%
BL18.9 T·m +12%, better
Xmax6 mm +100%, better
Sensitivity95.7 dB −1
EminenceFS12.30A8
No current priceFs55 Hz –
Qts0.36 +9%
Vas61 L −5%
BL17 T·m –
Xmax4.3 mm +43%, better
Sensitivity96.3 dB –
REDCATT121XR
No current priceFs46 Hz −16%, better
Qts0.33 –
Vas69.1 L +8%
BL16 T·m −5%
Xmax6.3 mm +112%, better
Sensitivity94.1 dB −2.6, worse
P.Audio12NT-76MB
No current priceFs55 Hz –
Qts0.36 +9%
Vas71.6 L +12%, worse
BL17.4 T·m +3%
Xmax4.5 mm +50%, better
Sensitivity97.1 dB –
Oberton12NMB35
No current priceFs54 Hz –
Qts0.36 +9%
Vas54.3 L −15%, better
BL17 T·m –
Xmax6.8 mm +125%, better
Sensitivity95.7 dB −1
Oberton12NCX
No current priceFs58 Hz +6%
Qts0.30 −9%
Vas62.9 L –
BL17.2 T·m –
Xmax5.3 mm +75%, better
Sensitivity98.1 dB +1.4
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.