12-inch LF driver · 89 mm voice coil · 450 W

RCF CX12N351 8Ω

Name: RCF CX12N351 8 Ohm
Brand: RCF
SKU: CX12N351

8 Ω · 50–20000 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 58Hz
Xmax: 6mm
SPL: 98dB
Pe: 450W
BL: 25T·m
Vd: 300cm³
Qts: 0.20
Vas: 47L

See all 27 specs

Specifications

Published by RCF

Manufacturer page

Datasheet PDF

RCF CX12N351 is a 12-inch 8 ohm LF driver rated at 450 W RMS. The validated T/S data includes Fs 58 Hz, Qts 0.20, Vas 47 L, Xmax 6 mm, sensitivity 98.4 dB, plus 300 cm³ Vd and 276 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: 58Hz
Qts: 0.20
Qes: 0.21
Qms: 5.4
Vas: 47L
Re: 5.8Ω
Le: 1.50mH

Motor and cone

BL: 25T·m
Sd: 500cm²
Mms: 62g
Xmax: 6mm
Vd †: 300cm³
Voice coil: 89mm

Power and response

Sensitivity †: 98.4dB
Manufacturer sensitivity: 100.4dB
Power: 450W
Impedance: 8Ω
Min. impedance: 6.8Ω
Range: 50–20000Hz
EBP †: 276 · Leans vented

Size and mounting

Diameter: 320mm
Cutout: 284mm
Bolt circle: 304mm
Weight: 6.3kg

Other published values

Xmech: 39
Power Program: 900
High limit: 3000Hz

Sensitivity shows 98.4 dB, calculated from the T/S values. RCF publishes 100.4 dB, 2.0 dB apart.

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 · General Specifications · 12″

BL: 25T·m
Fs: 58Hz
Le: 1.50mH
Re: 5.8Ω
Sd: 500cm²
Mms: 62g
Qes: 0.21
Qms: 5.4
Qts: 0.20
SPL: 98.4dB
Vas: 47L
Xmax: 6mm
Xmech: 39
Power: 450W
Impedance: 8Ω
Sensitivity: 100.4dB
Low limit: 50Hz
Power Program: 900
Calculated sensitivity †: 98.4dB
High limit: 3000Hz
Manufacturer sensitivity: 100.4dB
Min. impedance: 6.8Ω
Voice coil: 89mm
Weight: 6.3kg
Diameter: 320mm
Cutout: 284mm
Bolt circle: 304mm

HF · General Specifications Driver · 1.4″

SPL: 110dB
Power: 90W
Impedance: 8Ω
Flux density: 2T
Sensitivity: 110dB
Low limit: 700Hz
Power Program: 180
High limit: 20000Hz
Throat: 36mm
Manufacturer sensitivity: 110dB
Min. impedance: 7.9Ω
Voice coil: 63mm

Compare

Same-size drivers, compared with the CX12N351. Clear differences are green when better and red when worse.

This driverCX12N351

Best price

–

58 Hz

Qts

0.20

Vas

47 L

25 T·m

Xmax

6 mm

Sensitivity

98.4 dB

Power

450 W

B&C12CL76

£136.00

Fs48 Hz −17%

Qts0.21 +5%

Vas59 L +26%

BL22.4 T·m −10%

Xmax6 mm –

Sensitivity96.8 dB −1.6

B&C12MH32

£137.65

Fs53 Hz −9%

Qts0.19 −5%

Vas63 L +34%

BL22.3 T·m −11%

Xmax5 mm −17%

Sensitivity98.7 dB –

PRV Audio12MR1200X

£149.54

Fs53 Hz −9%

Qts0.21 +5%

Vas71.8 L +53%

BL22 T·m −12%

Xmax4.5 mm −25%

Sensitivity99 dB +0.6

B&C12FW76

£149.88

Fs54 Hz −7%

Qts0.18 −10%

Vas45 L −4%

BL26.4 T·m +6%

Xmax7 mm +17%

Sensitivity98 dB –

B&C12NDL76

£165.79

Fs50 Hz −14%

Qts0.20 –

Vas73 L +55%

BL20.1 T·m −20%

Xmax7 mm +17%

Sensitivity98.4 dB –

Eighteen Sound12MB1000

£204.35

Fs54 Hz −7%

Qts0.18 −10%

Vas60 L +28%

BL23.5 T·m −6%

Xmax2.5 mm −58%

Sensitivity98.8 dB –

BMS12S320

£204.98

Fs45 Hz −22%

Qts0.20 –

Vas69.5 L +48%

BL23.3 T·m −7%

Xmax4.5 mm −25%

Sensitivity96.9 dB −1.5

PRV Audio12MR2000-NDY

£209.39

Fs54 Hz −6%

Qts0.34 +70%

Vas48.2 L –

BL22.8 T·m −9%

Xmax6.2 mm –

Sensitivity95.5 dB −2.9

Sica12 F 4 CP

£216.86

Fs46 Hz −21%

Qts0.20 –

Vas52 L +11%

BL26.0 T·m +4%

Xmax6 mm –

Sensitivity95.8 dB −2.6

RCFMB12N351

£225.00

Fs55 Hz −5%

Qts0.20 –

Vas61 L +30%

BL22.5 T·m −10%

Xmax6 mm –

Sensitivity98.9 dB +0.5

B&C12NBX100

£241.98

Fs41 Hz −29%

Qts0.22 +10%

Vas51 L +9%

BL25.6 T·m –

Xmax10 mm +67%

Sensitivity93.7 dB −4.7

FaitalPRO12FX600

£247.20

Fs48 Hz −17%

Qts0.24 +20%

Vas44.4 L −6%

BL25.3 T·m –

Xmax9.9 mm +65%

Sensitivity95 dB −3.4

Beyma12P80FE

£247.64

Fs48 Hz −17%

Qts0.21 +5%

Vas61 L +30%

BL23 T·m −8%

Xmax7.5 mm +25%

Sensitivity96.9 dB −1.5

Eighteen Sound12ND930

£248.59

Fs50 Hz −14%

Qts0.21 +5%

Vas70 L +49%

BL21.2 T·m −15%

Xmax6.5 mm +8%

Sensitivity98 dB –

REDCATT122NPW

£249.10

Fs35 Hz −40%

Qts0.17 −15%

Vas81.9 L +74%

BL27 T·m +8%

Xmax5.8 mm −4%

Sensitivity95.2 dB −3.2

Eighteen Sound12NMB1000

£252.00

Fs54 Hz −7%

Qts0.19 −5%

Vas58 L +23%

BL24.4 T·m –

Xmax3.5 mm −42%

Sensitivity98.8 dB –

B&C12NW100

£256.00

Fs42 Hz −28%

Qts0.20 –

Vas44 L −6%

BL28 T·m +12%

Xmax9 mm +50%

Sensitivity93.9 dB −4.5

BMS12C362

£287.08

Fs46 Hz −21%

Qts0.20 –

Vas60.6 L +29%

BL23.2 T·m −7%

Xmax4.5 mm −25%

Sensitivity96.7 dB −1.7

Beyma12P80ND

£375.61

Fs47 Hz −19%

Qts0.19 −5%

Vas65 L +38%

BL23.7 T·m −5%

Xmax7.5 mm +25%

Sensitivity97.3 dB −1.1

B&C12CXN76

£382.96

Fs42 Hz −28%

Qts0.19 −5%

Vas120 L +155%

BL17.6 T·m −30%

Xmax6 mm –

Sensitivity98.5 dB –

B&C12HCX76

£385.07

Fs42 Hz −28%

Qts0.19 −5%

Vas120 L +155%

BL17.6 T·m −30%

Xmax6 mm –

Sensitivity98.5 dB –

LavoceCAN123.00T

£401.07

Fs46 Hz −21%

Qts0.22 +10%

Vas91 L +94%

BL18.5 T·m −26%

Xmax6 mm –

Sensitivity97.9 dB −0.5

RCFMB12N405

No current price

Fs52 Hz −10%

Qts0.20 –

Vas53 L +13%

BL23.5 T·m −6%

Xmax7 mm +17%

Sensitivity97.5 dB −0.9

Eighteen Sound12ND940

No current price

Fs49 Hz −16%

Qts0.20 –

Vas64.8 L +38%

BL22.2 T·m −11%

Xmax7.6 mm +27%

Sensitivity97.8 dB −0.6

Oberton12NXL400

No current price

Fs49 Hz −16%

Qts0.20 –

Vas79.2 L +69%

BL20.6 T·m −18%

Xmax5.3 mm −13%

Sensitivity98.5 dB –

No photo

PHL Audio4051

No current price

Fs49 Hz −16%

Qts0.20 –

Vas85.2 L +81%

BL20.9 T·m −16%

Xmax5 mm −17%

Sensitivity98.8 dB –

Eighteen Sound12MB710

No current price

Fs46 Hz −21%

Qts0.20 –

Vas81 L +72%

BL20.5 T·m −18%

Xmax5 mm −17%

Sensitivity98 dB –

Eighteen Sound12MB720

No current price

Fs46 Hz −21%

Qts0.20 –

Vas81 L +72%

BL20.5 T·m −18%

Xmax5 mm −17%

Sensitivity98 dB –

Eighteen Sound12MB810

No current price

Fs46 Hz −21%

Qts0.20 –

Vas81 L +72%

BL20.5 T·m −18%

Xmax5 mm −17%

Sensitivity98 dB –

LavoceCAN123.00TH

No current price

Fs46 Hz −21%

Qts0.22 +10%

Vas91 L +94%

BL18.5 T·m −26%

Xmax6 mm –

Sensitivity97.9 dB −0.5

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Blue Aran Checked 25 Oct 2026 · 8 Ω · Source: inc VAT · 20% 6-8 weeks	£435.65		Usually available in 6-8 weeks	Visit shop at Blue Aran

bits00 AUDIO

12-inch LF driver · 89 mm voice coil · 450 W

RCF CX12N351 8Ω

8 Ω · 50–20000 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 58Hz
Xmax: 6mm
SPL: 98dB
Pe: 450W
BL: 25T·m
Vd: 300cm³
Qts: 0.20
Vas: 47L

See all 27 specs

Specifications

Published by RCF

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 58Hz
Qts: 0.20
Qes: 0.21
Qms: 5.4
Vas: 47L
Re: 5.8Ω
Le: 1.50mH

Motor and cone

BL: 25T·m
Sd: 500cm²
Mms: 62g
Xmax: 6mm
Vd †: 300cm³
Voice coil: 89mm

Power and response

Sensitivity †: 98.4dB
Manufacturer sensitivity: 100.4dB
Power: 450W
Impedance: 8Ω
Min. impedance: 6.8Ω
Range: 50–20000Hz
EBP †: 276 · Leans vented

Size and mounting

Diameter: 320mm
Cutout: 284mm
Bolt circle: 304mm
Weight: 6.3kg

Other published values

Xmech: 39
Power Program: 900
High limit: 3000Hz

Sensitivity shows 98.4 dB, calculated from the T/S values. RCF publishes 100.4 dB, 2.0 dB apart.

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 · General Specifications · 12″

BL: 25T·m
Fs: 58Hz
Le: 1.50mH
Re: 5.8Ω
Sd: 500cm²
Mms: 62g
Qes: 0.21
Qms: 5.4
Qts: 0.20
SPL: 98.4dB
Vas: 47L
Xmax: 6mm
Xmech: 39
Power: 450W
Impedance: 8Ω
Sensitivity: 100.4dB
Low limit: 50Hz
Power Program: 900
Calculated sensitivity †: 98.4dB
High limit: 3000Hz
Manufacturer sensitivity: 100.4dB
Min. impedance: 6.8Ω
Voice coil: 89mm
Weight: 6.3kg
Diameter: 320mm
Cutout: 284mm
Bolt circle: 304mm

HF · General Specifications Driver · 1.4″

SPL: 110dB
Power: 90W
Impedance: 8Ω
Flux density: 2T
Sensitivity: 110dB
Low limit: 700Hz
Power Program: 180
High limit: 20000Hz
Throat: 36mm
Manufacturer sensitivity: 110dB
Min. impedance: 7.9Ω
Voice coil: 63mm

Compare

Same-size drivers, compared with the CX12N351. Clear differences are green when better and red when worse.

This driverCX12N351

Best price

–

58 Hz

Qts

0.20

Vas

47 L

25 T·m

Xmax

6 mm

Sensitivity

98.4 dB

Power

450 W

B&C12CL76

£136.00

Fs48 Hz −17%

Qts0.21 +5%

Vas59 L +26%

BL22.4 T·m −10%

Xmax6 mm –

Sensitivity96.8 dB −1.6

B&C12MH32

£137.65

Fs53 Hz −9%

Qts0.19 −5%

Vas63 L +34%

BL22.3 T·m −11%

Xmax5 mm −17%

Sensitivity98.7 dB –

PRV Audio12MR1200X

£149.54

Fs53 Hz −9%

Qts0.21 +5%

Vas71.8 L +53%

BL22 T·m −12%

Xmax4.5 mm −25%

Sensitivity99 dB +0.6

B&C12FW76

£149.88

Fs54 Hz −7%

Qts0.18 −10%

Vas45 L −4%

BL26.4 T·m +6%

Xmax7 mm +17%

Sensitivity98 dB –

B&C12NDL76

£165.79

Fs50 Hz −14%

Qts0.20 –

Vas73 L +55%

BL20.1 T·m −20%

Xmax7 mm +17%

Sensitivity98.4 dB –

Eighteen Sound12MB1000

£204.35

Fs54 Hz −7%

Qts0.18 −10%

Vas60 L +28%

BL23.5 T·m −6%

Xmax2.5 mm −58%

Sensitivity98.8 dB –

BMS12S320

£204.98

Fs45 Hz −22%

Qts0.20 –

Vas69.5 L +48%

BL23.3 T·m −7%

Xmax4.5 mm −25%

Sensitivity96.9 dB −1.5

PRV Audio12MR2000-NDY

£209.39

Fs54 Hz −6%

Qts0.34 +70%

Vas48.2 L –

BL22.8 T·m −9%

Xmax6.2 mm –

Sensitivity95.5 dB −2.9

Sica12 F 4 CP

£216.86

Fs46 Hz −21%

Qts0.20 –

Vas52 L +11%

BL26.0 T·m +4%

Xmax6 mm –

Sensitivity95.8 dB −2.6

RCFMB12N351

£225.00

Fs55 Hz −5%

Qts0.20 –

Vas61 L +30%

BL22.5 T·m −10%

Xmax6 mm –

Sensitivity98.9 dB +0.5

B&C12NBX100

£241.98

Fs41 Hz −29%

Qts0.22 +10%

Vas51 L +9%

BL25.6 T·m –

Xmax10 mm +67%

Sensitivity93.7 dB −4.7

FaitalPRO12FX600

£247.20

Fs48 Hz −17%

Qts0.24 +20%

Vas44.4 L −6%

BL25.3 T·m –

Xmax9.9 mm +65%

Sensitivity95 dB −3.4

Beyma12P80FE

£247.64

Fs48 Hz −17%

Qts0.21 +5%

Vas61 L +30%

BL23 T·m −8%

Xmax7.5 mm +25%

Sensitivity96.9 dB −1.5

Eighteen Sound12ND930

£248.59

Fs50 Hz −14%

Qts0.21 +5%

Vas70 L +49%

BL21.2 T·m −15%

Xmax6.5 mm +8%

Sensitivity98 dB –

REDCATT122NPW

£249.10

Fs35 Hz −40%

Qts0.17 −15%

Vas81.9 L +74%

BL27 T·m +8%

Xmax5.8 mm −4%

Sensitivity95.2 dB −3.2

Eighteen Sound12NMB1000

£252.00

Fs54 Hz −7%

Qts0.19 −5%

Vas58 L +23%

BL24.4 T·m –

Xmax3.5 mm −42%

Sensitivity98.8 dB –

B&C12NW100

£256.00

Fs42 Hz −28%

Qts0.20 –

Vas44 L −6%

BL28 T·m +12%

Xmax9 mm +50%

Sensitivity93.9 dB −4.5

BMS12C362

£287.08

Fs46 Hz −21%

Qts0.20 –

Vas60.6 L +29%

BL23.2 T·m −7%

Xmax4.5 mm −25%

Sensitivity96.7 dB −1.7

Beyma12P80ND

£375.61

Fs47 Hz −19%

Qts0.19 −5%

Vas65 L +38%

BL23.7 T·m −5%

Xmax7.5 mm +25%

Sensitivity97.3 dB −1.1

B&C12CXN76

£382.96

Fs42 Hz −28%

Qts0.19 −5%

Vas120 L +155%

BL17.6 T·m −30%

Xmax6 mm –

Sensitivity98.5 dB –

B&C12HCX76

£385.07

Fs42 Hz −28%

Qts0.19 −5%

Vas120 L +155%

BL17.6 T·m −30%

Xmax6 mm –

Sensitivity98.5 dB –

LavoceCAN123.00T

£401.07

Fs46 Hz −21%

Qts0.22 +10%

Vas91 L +94%

BL18.5 T·m −26%

Xmax6 mm –

Sensitivity97.9 dB −0.5

RCFMB12N405

No current price

Fs52 Hz −10%

Qts0.20 –

Vas53 L +13%

BL23.5 T·m −6%

Xmax7 mm +17%

Sensitivity97.5 dB −0.9

Eighteen Sound12ND940

No current price

Fs49 Hz −16%

Qts0.20 –

Vas64.8 L +38%

BL22.2 T·m −11%

Xmax7.6 mm +27%

Sensitivity97.8 dB −0.6

Oberton12NXL400

No current price

Fs49 Hz −16%

Qts0.20 –

Vas79.2 L +69%

BL20.6 T·m −18%

Xmax5.3 mm −13%

Sensitivity98.5 dB –

No photo

PHL Audio4051

No current price

Fs49 Hz −16%

Qts0.20 –

Vas85.2 L +81%

BL20.9 T·m −16%

Xmax5 mm −17%

Sensitivity98.8 dB –

Eighteen Sound12MB710

No current price

Fs46 Hz −21%

Qts0.20 –

Vas81 L +72%

BL20.5 T·m −18%

Xmax5 mm −17%

Sensitivity98 dB –

Eighteen Sound12MB720

No current price

Fs46 Hz −21%

Qts0.20 –

Vas81 L +72%

BL20.5 T·m −18%

Xmax5 mm −17%

Sensitivity98 dB –

Eighteen Sound12MB810

No current price

Fs46 Hz −21%

Qts0.20 –

Vas81 L +72%

BL20.5 T·m −18%

Xmax5 mm −17%

Sensitivity98 dB –

LavoceCAN123.00TH

No current price

Fs46 Hz −21%

Qts0.22 +10%

Vas91 L +94%

BL18.5 T·m −26%

Xmax6 mm –

Sensitivity97.9 dB −0.5

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Blue Aran Checked 25 Oct 2026 · 8 Ω · Source: inc VAT · 20% 6-8 weeks	£435.65		Usually available in 6-8 weeks	Visit shop at Blue Aran