12-inch LF driver · 102 mm voice coil · 1,000 W

RCF MB12N405 8Ω

Name: RCF MB12N405 8 Ohm
Brand: RCF
SKU: MB12N405

8 Ω · 50–2000 Hz

No price for delivery to the UK

All 3 offers

Open in 00 Simulator

Fs: 52Hz
Xmax: 7mm
SPL: 98dB
Pe: 1000W
BL: 23.5T·m
Vd: 350cm³
Qts: 0.20
Vas: 53L

See all 26 specs

Specifications

Published by RCF

Manufacturer page

Datasheet PDF

RCF MB12N405 is a 12-inch 8 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 52 Hz, Qts 0.20, Vas 53 L, Xmax 7 mm, sensitivity 97.5 dB, plus 350 cm³ Vd and 248 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: 52Hz
Qts: 0.20
Qes: 0.21
Qms: 6
Vas: 53L
Re: 5Ω
Le: 1.20mH

Motor and cone

BL: 23.5T·m
Sd: 500cm²
Mms: 73g
Xmax: 7mm
Vd †: 350cm³
Voice coil: 102mm

Power and response

Sensitivity †: 97.5dB
Manufacturer sensitivity: 98.5dB
Power: 1000W
Impedance: 8Ω
Min. impedance: 6.6Ω
Range: 50–2000Hz
EBP †: 248 · Leans vented

Size and mounting

Diameter: 320mm
Cutout: 282mm
Bolt circle: 304mm
Weight: 7.7kg

Other published values

Xmech: 53
Power Program: 2000

Sensitivity shows 97.5 dB, calculated from the T/S values. RCF publishes 98.5 dB, 1.0 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else RCF lists

LF · Primary · 12″

BL: 23.5T·m
Fs: 52Hz
Le: 1.20mH
Re: 5Ω
Sd: 500cm²
Mms: 73g
Qes: 0.21
Qms: 6
Qts: 0.20
SPL: 97.5dB
Vas: 53L
Xmax: 7mm
Xmech: 53
Power: 1000W
Impedance: 8Ω
Sensitivity: 98.5dB
Low limit: 50Hz
Power Program: 2000
Calculated sensitivity †: 97.5dB
High limit: 2000Hz
Manufacturer sensitivity: 98.5dB
Min. impedance: 6.6Ω
Voice coil: 102mm
Weight: 7.7kg
Diameter: 320mm
Cutout: 282mm
Bolt circle: 304mm

Compare

Same-size drivers, compared with the MB12N405. Clear differences are green when better and red when worse.

This driverMB12N405

Best price

–

52 Hz

Qts

0.20

Vas

53 L

23.5 T·m

Xmax

7 mm

Sensitivity

97.5 dB

Power

1000 W

RCFLF12G301

£109.81

Fs43 Hz −17%

Qts0.22 +10%

Vas97 L +83%

BL19 T·m −19%

Xmax7 mm –

Sensitivity97.3 dB –

B&C12CL76

£124.87

Fs48 Hz −8%

Qts0.21 +5%

Vas59 L +11%

BL22.4 T·m −5%

Xmax6 mm −14%

Sensitivity96.8 dB −0.7

B&C12MH32

£137.65

Fs53 Hz –

Qts0.19 −5%

Vas63 L +19%

BL22.3 T·m −5%

Xmax5 mm −29%

Sensitivity98.7 dB +1.2

B&C12FW76

£149.04

Fs54 Hz +4%

Qts0.18 −10%

Vas45 L −15%

BL26.4 T·m +12%

Xmax7 mm –

Sensitivity98 dB +0.5

PRV Audio12MR1200X

£149.54

Fs53 Hz –

Qts0.21 +5%

Vas71.8 L +35%

BL22 T·m −6%

Xmax4.5 mm −36%

Sensitivity99 dB +1.5

B&C12NDL76

£164.95

Fs50 Hz −4%

Qts0.20 –

Vas73 L +38%

BL20.1 T·m −14%

Xmax7 mm –

Sensitivity98.4 dB +0.9

RCFMB12X351

£187.93

Fs55 Hz +6%

Qts0.26 +30%

Vas46 L −13%

BL22.5 T·m −4%

Xmax7 mm –

Sensitivity96.6 dB −0.9

Eighteen Sound12MB1000

£204.35

Fs54 Hz +4%

Qts0.18 −10%

Vas60 L +13%

BL23.5 T·m –

Xmax2.5 mm −64%

Sensitivity98.8 dB +1.3

BMS12S320

£204.98

Fs45 Hz −13%

Qts0.20 –

Vas69.5 L +31%

BL23.3 T·m –

Xmax4.5 mm −36%

Sensitivity96.9 dB −0.6

Beyma12MC700ND

£209.29

Fs51 Hz –

Qts0.24 +20%

Vas58 L +9%

BL21.6 T·m −8%

Xmax7 mm –

Sensitivity96.7 dB −0.8

Sica12 F 4 CP

£216.86

Fs46 Hz −12%

Qts0.20 –

Vas52 L –

BL26.0 T·m +11%

Xmax6 mm −14%

Sensitivity95.8 dB −1.7

RCFMB12N351

£225.00

Fs55 Hz +6%

Qts0.20 –

Vas61 L +15%

BL22.5 T·m −4%

Xmax6 mm −14%

Sensitivity98.9 dB +1.4

B&C12NBX100

£241.98

Fs41 Hz −21%

Qts0.22 +10%

Vas51 L −4%

BL25.6 T·m +9%

Xmax10 mm +43%

Sensitivity93.7 dB −3.8

Beyma12P80FE

£247.64

Fs48 Hz −8%

Qts0.21 +5%

Vas61 L +15%

BL23 T·m –

Xmax7.5 mm +7%

Sensitivity96.9 dB −0.6

Eighteen Sound12ND930

£248.59

Fs50 Hz −4%

Qts0.21 +5%

Vas70 L +32%

BL21.2 T·m −10%

Xmax6.5 mm −7%

Sensitivity98 dB +0.5

B&C12NW100

£249.52

Fs42 Hz −19%

Qts0.20 –

Vas44 L −17%

BL28 T·m +19%

Xmax9 mm +29%

Sensitivity93.9 dB −3.6

Eighteen Sound12NMB1000

£252.00

Fs54 Hz +4%

Qts0.19 −5%

Vas58 L +9%

BL24.4 T·m +4%

Xmax3.5 mm −50%

Sensitivity98.8 dB +1.3

BMS12C362

£287.08

Fs46 Hz −12%

Qts0.20 –

Vas60.6 L +14%

BL23.2 T·m –

Xmax4.5 mm −36%

Sensitivity96.7 dB −0.8

Sica12 S 4 PL

£334.09

Fs40 Hz −22%

Qts0.25 +25%

Vas57 L +8%

BL23.5 T·m –

Xmax7.5 mm +7%

Sensitivity93.6 dB −3.9

Beyma12P80ND

£375.61

Fs47 Hz −10%

Qts0.19 −5%

Vas65 L +23%

BL23.7 T·m –

Xmax7.5 mm +7%

Sensitivity97.3 dB –

B&C12CXN88

£465.46

Fs50 Hz −4%

Qts0.22 +10%

Vas59 L +11%

BL20.9 T·m −11%

Xmax10.5 mm +50%

Sensitivity97.1 dB –

RCFCX12N351

No current price

Fs58 Hz +12%

Qts0.20 –

Vas47 L −11%

BL25 T·m +6%

Xmax6 mm −14%

Sensitivity98.4 dB +0.9

Eighteen Sound12ND940

No current price

Fs49 Hz −6%

Qts0.20 –

Vas64.8 L +22%

BL22.2 T·m −6%

Xmax7.6 mm +9%

Sensitivity97.8 dB –

Oberton12NB450

No current price

Fs46 Hz −11%

Qts0.20 –

Vas72.6 L +37%

BL20.3 T·m −13%

Xmax7.8 mm +11%

Sensitivity97.5 dB –

RCFLF12P903

No current price

Fs47 Hz −10%

Qts0.23 +15%

Vas65 L +23%

BL22.1 T·m −6%

Xmax7 mm –

Sensitivity96.5 dB −1

Sica12 K 4 PL

No current price

Fs49 Hz −7%

Qts0.25 +25%

Vas47.4 L −11%

BL22.9 T·m –

Xmax7 mm –

Sensitivity95 dB −2.5

Oberton12NXL400

No current price

Fs49 Hz −7%

Qts0.20 –

Vas79.2 L +50%

BL20.6 T·m −12%

Xmax5.3 mm −25%

Sensitivity98.5 dB +1

No photo

PHL Audio4071-1

No current price

Fs47 Hz −10%

Qts0.24 +20%

Vas57.8 L +9%

BL20.6 T·m −12%

Xmax6.5 mm −7%

Sensitivity95.7 dB −1.8

RCFLF12G801

No current price

Fs43 Hz −17%

Qts0.22 +10%

Vas97 L +83%

BL19 T·m −19%

Xmax7 mm –

Sensitivity97.3 dB –

RCFLF12P901

No current price

Fs43 Hz −17%

Qts0.22 +10%

Vas97 L +83%

BL19 T·m −19%

Xmax7 mm –

Sensitivity97.3 dB –

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	Stock	Link
Lean Business Checked 15 Oct 2026 · 8 Ω · Source: inc VAT · 20%	£228.13	Out of stock	Visit shop at Lean Business
Blue Aran Checked 24 Oct 2026 · 8 Ω · Source: inc VAT · 20% approx 2 months	£261.07	Ordered on Request (approx 2 months)	Visit shop at Blue Aran
Audio Video Parts Checked 24 Oct 2026 · Ships from Italy · 8 Ω · Source: inc VAT · 22% Import VAT and duty may apply	£223.05	Special order	Visit shop at Audio Video Parts

bits00 AUDIO

12-inch LF driver · 102 mm voice coil · 1,000 W

RCF MB12N405 8Ω

8 Ω · 50–2000 Hz

No price for delivery to the UK

All 3 offers

Open in 00 Simulator

Fs: 52Hz
Xmax: 7mm
SPL: 98dB
Pe: 1000W
BL: 23.5T·m
Vd: 350cm³
Qts: 0.20
Vas: 53L

See all 26 specs

Specifications

Published by RCF

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 52Hz
Qts: 0.20
Qes: 0.21
Qms: 6
Vas: 53L
Re: 5Ω
Le: 1.20mH

Motor and cone

BL: 23.5T·m
Sd: 500cm²
Mms: 73g
Xmax: 7mm
Vd †: 350cm³
Voice coil: 102mm

Power and response

Sensitivity †: 97.5dB
Manufacturer sensitivity: 98.5dB
Power: 1000W
Impedance: 8Ω
Min. impedance: 6.6Ω
Range: 50–2000Hz
EBP †: 248 · Leans vented

Size and mounting

Diameter: 320mm
Cutout: 282mm
Bolt circle: 304mm
Weight: 7.7kg

Other published values

Xmech: 53
Power Program: 2000

Sensitivity shows 97.5 dB, calculated from the T/S values. RCF publishes 98.5 dB, 1.0 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else RCF lists

LF · Primary · 12″

BL: 23.5T·m
Fs: 52Hz
Le: 1.20mH
Re: 5Ω
Sd: 500cm²
Mms: 73g
Qes: 0.21
Qms: 6
Qts: 0.20
SPL: 97.5dB
Vas: 53L
Xmax: 7mm
Xmech: 53
Power: 1000W
Impedance: 8Ω
Sensitivity: 98.5dB
Low limit: 50Hz
Power Program: 2000
Calculated sensitivity †: 97.5dB
High limit: 2000Hz
Manufacturer sensitivity: 98.5dB
Min. impedance: 6.6Ω
Voice coil: 102mm
Weight: 7.7kg
Diameter: 320mm
Cutout: 282mm
Bolt circle: 304mm

Compare

Same-size drivers, compared with the MB12N405. Clear differences are green when better and red when worse.

This driverMB12N405

Best price

–

52 Hz

Qts

0.20

Vas

53 L

23.5 T·m

Xmax

7 mm

Sensitivity

97.5 dB

Power

1000 W

RCFLF12G301

£109.81

Fs43 Hz −17%

Qts0.22 +10%

Vas97 L +83%

BL19 T·m −19%

Xmax7 mm –

Sensitivity97.3 dB –

B&C12CL76

£124.87

Fs48 Hz −8%

Qts0.21 +5%

Vas59 L +11%

BL22.4 T·m −5%

Xmax6 mm −14%

Sensitivity96.8 dB −0.7

B&C12MH32

£137.65

Fs53 Hz –

Qts0.19 −5%

Vas63 L +19%

BL22.3 T·m −5%

Xmax5 mm −29%

Sensitivity98.7 dB +1.2

B&C12FW76

£149.04

Fs54 Hz +4%

Qts0.18 −10%

Vas45 L −15%

BL26.4 T·m +12%

Xmax7 mm –

Sensitivity98 dB +0.5

PRV Audio12MR1200X

£149.54

Fs53 Hz –

Qts0.21 +5%

Vas71.8 L +35%

BL22 T·m −6%

Xmax4.5 mm −36%

Sensitivity99 dB +1.5

B&C12NDL76

£164.95

Fs50 Hz −4%

Qts0.20 –

Vas73 L +38%

BL20.1 T·m −14%

Xmax7 mm –

Sensitivity98.4 dB +0.9

RCFMB12X351

£187.93

Fs55 Hz +6%

Qts0.26 +30%

Vas46 L −13%

BL22.5 T·m −4%

Xmax7 mm –

Sensitivity96.6 dB −0.9

Eighteen Sound12MB1000

£204.35

Fs54 Hz +4%

Qts0.18 −10%

Vas60 L +13%

BL23.5 T·m –

Xmax2.5 mm −64%

Sensitivity98.8 dB +1.3

BMS12S320

£204.98

Fs45 Hz −13%

Qts0.20 –

Vas69.5 L +31%

BL23.3 T·m –

Xmax4.5 mm −36%

Sensitivity96.9 dB −0.6

Beyma12MC700ND

£209.29

Fs51 Hz –

Qts0.24 +20%

Vas58 L +9%

BL21.6 T·m −8%

Xmax7 mm –

Sensitivity96.7 dB −0.8

Sica12 F 4 CP

£216.86

Fs46 Hz −12%

Qts0.20 –

Vas52 L –

BL26.0 T·m +11%

Xmax6 mm −14%

Sensitivity95.8 dB −1.7

RCFMB12N351

£225.00

Fs55 Hz +6%

Qts0.20 –

Vas61 L +15%

BL22.5 T·m −4%

Xmax6 mm −14%

Sensitivity98.9 dB +1.4

B&C12NBX100

£241.98

Fs41 Hz −21%

Qts0.22 +10%

Vas51 L −4%

BL25.6 T·m +9%

Xmax10 mm +43%

Sensitivity93.7 dB −3.8

Beyma12P80FE

£247.64

Fs48 Hz −8%

Qts0.21 +5%

Vas61 L +15%

BL23 T·m –

Xmax7.5 mm +7%

Sensitivity96.9 dB −0.6

Eighteen Sound12ND930

£248.59

Fs50 Hz −4%

Qts0.21 +5%

Vas70 L +32%

BL21.2 T·m −10%

Xmax6.5 mm −7%

Sensitivity98 dB +0.5

B&C12NW100

£249.52

Fs42 Hz −19%

Qts0.20 –

Vas44 L −17%

BL28 T·m +19%

Xmax9 mm +29%

Sensitivity93.9 dB −3.6

Eighteen Sound12NMB1000

£252.00

Fs54 Hz +4%

Qts0.19 −5%

Vas58 L +9%

BL24.4 T·m +4%

Xmax3.5 mm −50%

Sensitivity98.8 dB +1.3

BMS12C362

£287.08

Fs46 Hz −12%

Qts0.20 –

Vas60.6 L +14%

BL23.2 T·m –

Xmax4.5 mm −36%

Sensitivity96.7 dB −0.8

Sica12 S 4 PL

£334.09

Fs40 Hz −22%

Qts0.25 +25%

Vas57 L +8%

BL23.5 T·m –

Xmax7.5 mm +7%

Sensitivity93.6 dB −3.9

Beyma12P80ND

£375.61

Fs47 Hz −10%

Qts0.19 −5%

Vas65 L +23%

BL23.7 T·m –

Xmax7.5 mm +7%

Sensitivity97.3 dB –

B&C12CXN88

£465.46

Fs50 Hz −4%

Qts0.22 +10%

Vas59 L +11%

BL20.9 T·m −11%

Xmax10.5 mm +50%

Sensitivity97.1 dB –

RCFCX12N351

No current price

Fs58 Hz +12%

Qts0.20 –

Vas47 L −11%

BL25 T·m +6%

Xmax6 mm −14%

Sensitivity98.4 dB +0.9

Eighteen Sound12ND940

No current price

Fs49 Hz −6%

Qts0.20 –

Vas64.8 L +22%

BL22.2 T·m −6%

Xmax7.6 mm +9%

Sensitivity97.8 dB –

Oberton12NB450

No current price

Fs46 Hz −11%

Qts0.20 –

Vas72.6 L +37%

BL20.3 T·m −13%

Xmax7.8 mm +11%

Sensitivity97.5 dB –

RCFLF12P903

No current price

Fs47 Hz −10%

Qts0.23 +15%

Vas65 L +23%

BL22.1 T·m −6%

Xmax7 mm –

Sensitivity96.5 dB −1

Sica12 K 4 PL

No current price

Fs49 Hz −7%

Qts0.25 +25%

Vas47.4 L −11%

BL22.9 T·m –

Xmax7 mm –

Sensitivity95 dB −2.5

Oberton12NXL400

No current price

Fs49 Hz −7%

Qts0.20 –

Vas79.2 L +50%

BL20.6 T·m −12%

Xmax5.3 mm −25%

Sensitivity98.5 dB +1

No photo

PHL Audio4071-1

No current price

Fs47 Hz −10%

Qts0.24 +20%

Vas57.8 L +9%

BL20.6 T·m −12%

Xmax6.5 mm −7%

Sensitivity95.7 dB −1.8

RCFLF12G801

No current price

Fs43 Hz −17%

Qts0.22 +10%

Vas97 L +83%

BL19 T·m −19%

Xmax7 mm –

Sensitivity97.3 dB –

RCFLF12P901

No current price

Fs43 Hz −17%

Qts0.22 +10%

Vas97 L +83%

BL19 T·m −19%

Xmax7 mm –

Sensitivity97.3 dB –

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	Stock	Link
Lean Business Checked 15 Oct 2026 · 8 Ω · Source: inc VAT · 20%	£228.13	Out of stock	Visit shop at Lean Business
Blue Aran Checked 24 Oct 2026 · 8 Ω · Source: inc VAT · 20% approx 2 months	£261.07	Ordered on Request (approx 2 months)	Visit shop at Blue Aran
Audio Video Parts Checked 24 Oct 2026 · Ships from Italy · 8 Ω · Source: inc VAT · 22% Import VAT and duty may apply	£223.05	Special order	Visit shop at Audio Video Parts