15-inch LF driver · 76 mm voice coil · 500 W

RCF MB15N301 8Ω

Name: RCF MB15N301 8 Ohm
Brand: RCF
SKU: MB15N301

8 Ω · 40–3500 Hz

No price for delivery to the UK

All 2 offers

Open in 00 Simulator

Fs: 48Hz
Xmax: 6mm
SPL: 98dB
Pe: 500W
BL: 19.2T·m
Vd: 540cm³
Qts: 0.37
Vas: 134L

See all 26 specs

Specifications

Published by RCF

Manufacturer page

Datasheet PDF

RCF MB15N301 is a 15-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 48 Hz, Qts 0.37, Vas 134 L, Xmax 6 mm, sensitivity 97.8 dB, plus 540 cm³ Vd and 123 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: 48Hz
Qts: 0.37
Qes: 0.39
Qms: 4.6
Vas: 134L
Re: 5.8Ω
Le: 0.90mH

Motor and cone

BL: 19.2T·m
Sd: 900cm²
Mms: 90g
Xmax: 6mm
Vd †: 540cm³
Voice coil: 76mm

Power and response

Sensitivity †: 97.8dB
Manufacturer sensitivity: 99dB
Power: 500W
Impedance: 8Ω
Min. impedance: 6.8Ω
Range: 40–3500Hz
EBP †: 123 · Leans vented

Size and mounting

Diameter: 388mm
Cutout: 355mm
Bolt circle: 373mm
Weight: 3.7kg

Other published values

Xmech: 40
Power Program: 1000

Sensitivity shows 97.8 dB, calculated from the T/S values. RCF publishes 99.0 dB, 1.2 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else RCF lists

LF · Primary · 15″

BL: 19.2T·m
Fs: 48Hz
Le: 0.90mH
Re: 5.8Ω
Sd: 900cm²
Mms: 90g
Qes: 0.39
Qms: 4.6
Qts: 0.37
SPL: 97.8dB
Vas: 134L
Xmax: 6mm
Xmech: 40
Power: 500W
Impedance: 8Ω
Sensitivity: 99dB
Low limit: 40Hz
Power Program: 1000
Calculated sensitivity †: 97.8dB
High limit: 3500Hz
Manufacturer sensitivity: 99dB
Min. impedance: 6.8Ω
Voice coil: 76mm
Weight: 3.7kg
Diameter: 388mm
Cutout: 355mm
Bolt circle: 373mm

Compare

Same-size drivers, compared with the MB15N301. Clear differences are green when better and red when worse.

This driverMB15N301

Best price

–

48 Hz

Qts

0.37

Vas

134 L

19.2 T·m

Xmax

6 mm

Sensitivity

97.8 dB

Power

500 W

EminenceKAPPA-15LFA

£143.62

Fs39 Hz −19%

Qts0.38 –

Vas159 L +19%

BL18.6 T·m −3%

Xmax5.5 mm −8%

Sensitivity95.6 dB −2.2

CIAREPWA15.75

£146.53

Fs44 Hz −8%

Qts0.39 +5%

Vas135 L –

BL19.3 T·m –

Xmax7 mm +17%

Sensitivity96.5 dB −1.3

FaneSOVEREIGN PRO 15-600LF

£152.00

Fs40 Hz −17%

Qts0.37 –

Vas188 L +40%

BL19.7 T·m –

Xmax6.9 mm +15%

Sensitivity97 dB −0.8

REDCATT152FIND-2

£159.51

Fs44 Hz −8%

Qts0.37 –

Vas128.5 L −4%

BL18.3 T·m −5%

Xmax4.5 mm −26%

Sensitivity96.6 dB −1.2

REDCATT15FPM

£184.17

Fs41 Hz −15%

Qts0.36 –

Vas134.9 L –

BL21.3 T·m +11%

Xmax4.5 mm −25%

Sensitivity95.9 dB −1.9

CIAREPW396

£186.72

Fs43 Hz −10%

Qts0.41 +11%

Vas129 L −4%

BL20.5 T·m +7%

Xmax6.5 mm +8%

Sensitivity96 dB −1.8

Beyma15MCB700

£207.83

Fs44 Hz −8%

Qts0.34 −8%

Vas148 L +10%

BL20 T·m +4%

Xmax7 mm +17%

Sensitivity97.5 dB –

BMS15N620

£216.43

Fs41 Hz −15%

Qts0.35 −5%

Vas154 L +15%

BL20.6 T·m +7%

Xmax5.5 mm −8%

Sensitivity96.6 dB −1.2

Eighteen Sound15MB1000

£259.50

Fs48 Hz –

Qts0.31 −16%

Vas132.5 L –

BL21 T·m +9%

Xmax6 mm –

Sensitivity98.6 dB +0.8

Eighteen Sound15NTLW3500

£319.85

Fs45 Hz −6%

Qts0.39 +5%

Vas131 L –

BL19.5 T·m –

Xmax8.3 mm +38%

Sensitivity96.8 dB −1

BMS15CN682

£384.52

Fs41 Hz −15%

Qts0.36 –

Vas137 L –

BL20.6 T·m +7%

Xmax5.5 mm −8%

Sensitivity95.9 dB −1.9

Beyma15CXA400ND

£401.87

Fs40 Hz −17%

Qts0.36 –

Vas196 L +46%

BL19 T·m –

Xmax6 mm –

Sensitivity97.1 dB −0.7

Eighteen Sound15NCX750

£454.74

Fs49 Hz –

Qts0.37 –

Vas141 L +5%

BL18.4 T·m −4%

Xmax5.5 mm −8%

Sensitivity98.2 dB –

Eighteen Sound15NCX750H

£470.84

Fs49 Hz –

Qts0.37 –

Vas141 L +5%

BL18.5 T·m −4%

Xmax5.5 mm −8%

Sensitivity98.2 dB –

LavoceNBASS15-30

No current price

Fs42 Hz −13%

Qts0.36 –

Vas143.1 L +7%

BL19.2 T·m –

Xmax6.6 mm +10%

Sensitivity96.5 dB −1.3

BMS15CN680

No current price

Fs41 Hz −15%

Qts0.36 –

Vas137 L –

BL20.6 T·m +7%

Xmax5.5 mm −8%

Sensitivity95.9 dB −1.9

RCFM15P550

No current price

Fs45 Hz −6%

Qts0.37 –

Vas140 L +4%

BL19.8 T·m +3%

Xmax7 mm +17%

Sensitivity97 dB −0.8

Oberton15XL400

No current price

Fs49 Hz –

Qts0.34 −9%

Vas140 L +4%

BL18.9 T·m –

Xmax5.3 mm −13%

Sensitivity98.7 dB +0.9

Eighteen Sound15W1301

No current price

Fs48 Hz –

Qts0.32 −14%

Vas123 L −8%

BL22.3 T·m +16%

Xmax6 mm –

Sensitivity97.7 dB –

FaneSOVEREIGN PRO 15-600

No current price

Fs38 Hz −21%

Qts0.35 −5%

Vas201 L +50%

BL17.5 T·m −9%

Xmax6 mm –

Sensitivity96.5 dB −1.3

Sica15 CX 3 PL P

No current price

Fs45 Hz −7%

Qts0.40 +8%

Vas152.4 L +14%

BL17.3 T·m −10%

Xmax5.5 mm −8%

Sensitivity97.1 dB −0.7

Sica15 CX 3 PL T

No current price

Fs45 Hz −7%

Qts0.40 +8%

Vas152.4 L +14%

BL17.3 T·m −10%

Xmax5.5 mm −8%

Sensitivity97.1 dB −0.7

Sica15 N 3 PL

No current price

Fs47 Hz –

Qts0.37 –

Vas140.4 L +5%

BL18.4 T·m −4%

Xmax10 mm +67%

Sensitivity98 dB –

Oberton15NCX

No current price

Fs44 Hz −9%

Qts0.36 –

Vas138.4 L +3%

BL18.6 T·m −3%

Xmax7.8 mm +29%

Sensitivity96.9 dB −0.9

Oberton15H4CX72

No current price

Fs56 Hz +17%

Qts0.37 –

Vas113.1 L −16%

BL18.2 T·m −5%

Xmax4.5 mm −25%

Sensitivity99.3 dB +1.5

Oberton15CX

No current price

Fs38 Hz −20%

Qts0.35 −6%

Vas163.8 L +22%

BL18.4 T·m −4%

Xmax7 mm +17%

Sensitivity95.9 dB −1.9

Oberton15MB35

No current price

Fs48 Hz –

Qts0.34 −9%

Vas115.1 L −14%

BL20.1 T·m +5%

Xmax6.8 mm +13%

Sensitivity97.6 dB –

Oberton15HCX3572

No current price

Fs46 Hz −4%

Qts0.34 −8%

Vas140.7 L +5%

BL18.8 T·m –

Xmax7.3 mm +21%

Sensitivity98 dB –

P.Audio15FT-76MB

No current price

Fs42 Hz −13%

Qts0.35 −5%

Vas150.9 L +13%

BL20.4 T·m +6%

Xmax4.7 mm −22%

Sensitivity96.8 dB −1

Sica15 FE 3 CP

No current price

Fs40 Hz −16%

Qts0.33 −11%

Vas170.4 L +27%

BL19.1 T·m –

Xmax5.5 mm −8%

Sensitivity97.2 dB −0.6

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	£197.38		Usually available in 6-8 weeks	Visit shop at Blue Aran
Audio Video Parts Checked 25 Oct 2026 · Ships from Italy · 8 Ω · Source: inc VAT · 22% Import VAT and duty may apply	£168.15		Special order	Visit shop at Audio Video Parts

bits00 AUDIO

15-inch LF driver · 76 mm voice coil · 500 W

RCF MB15N301 8Ω

8 Ω · 40–3500 Hz

No price for delivery to the UK

All 2 offers

Open in 00 Simulator

Fs: 48Hz
Xmax: 6mm
SPL: 98dB
Pe: 500W
BL: 19.2T·m
Vd: 540cm³
Qts: 0.37
Vas: 134L

See all 26 specs

Specifications

Published by RCF

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 48Hz
Qts: 0.37
Qes: 0.39
Qms: 4.6
Vas: 134L
Re: 5.8Ω
Le: 0.90mH

Motor and cone

BL: 19.2T·m
Sd: 900cm²
Mms: 90g
Xmax: 6mm
Vd †: 540cm³
Voice coil: 76mm

Power and response

Sensitivity †: 97.8dB
Manufacturer sensitivity: 99dB
Power: 500W
Impedance: 8Ω
Min. impedance: 6.8Ω
Range: 40–3500Hz
EBP †: 123 · Leans vented

Size and mounting

Diameter: 388mm
Cutout: 355mm
Bolt circle: 373mm
Weight: 3.7kg

Other published values

Xmech: 40
Power Program: 1000

Sensitivity shows 97.8 dB, calculated from the T/S values. RCF publishes 99.0 dB, 1.2 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else RCF lists

LF · Primary · 15″

BL: 19.2T·m
Fs: 48Hz
Le: 0.90mH
Re: 5.8Ω
Sd: 900cm²
Mms: 90g
Qes: 0.39
Qms: 4.6
Qts: 0.37
SPL: 97.8dB
Vas: 134L
Xmax: 6mm
Xmech: 40
Power: 500W
Impedance: 8Ω
Sensitivity: 99dB
Low limit: 40Hz
Power Program: 1000
Calculated sensitivity †: 97.8dB
High limit: 3500Hz
Manufacturer sensitivity: 99dB
Min. impedance: 6.8Ω
Voice coil: 76mm
Weight: 3.7kg
Diameter: 388mm
Cutout: 355mm
Bolt circle: 373mm

Compare

Same-size drivers, compared with the MB15N301. Clear differences are green when better and red when worse.

This driverMB15N301

Best price

–

48 Hz

Qts

0.37

Vas

134 L

19.2 T·m

Xmax

6 mm

Sensitivity

97.8 dB

Power

500 W

EminenceKAPPA-15LFA

£143.62

Fs39 Hz −19%

Qts0.38 –

Vas159 L +19%

BL18.6 T·m −3%

Xmax5.5 mm −8%

Sensitivity95.6 dB −2.2

CIAREPWA15.75

£146.53

Fs44 Hz −8%

Qts0.39 +5%

Vas135 L –

BL19.3 T·m –

Xmax7 mm +17%

Sensitivity96.5 dB −1.3

FaneSOVEREIGN PRO 15-600LF

£152.00

Fs40 Hz −17%

Qts0.37 –

Vas188 L +40%

BL19.7 T·m –

Xmax6.9 mm +15%

Sensitivity97 dB −0.8

REDCATT152FIND-2

£159.51

Fs44 Hz −8%

Qts0.37 –

Vas128.5 L −4%

BL18.3 T·m −5%

Xmax4.5 mm −26%

Sensitivity96.6 dB −1.2

REDCATT15FPM

£184.17

Fs41 Hz −15%

Qts0.36 –

Vas134.9 L –

BL21.3 T·m +11%

Xmax4.5 mm −25%

Sensitivity95.9 dB −1.9

CIAREPW396

£186.72

Fs43 Hz −10%

Qts0.41 +11%

Vas129 L −4%

BL20.5 T·m +7%

Xmax6.5 mm +8%

Sensitivity96 dB −1.8

Beyma15MCB700

£207.83

Fs44 Hz −8%

Qts0.34 −8%

Vas148 L +10%

BL20 T·m +4%

Xmax7 mm +17%

Sensitivity97.5 dB –

BMS15N620

£216.43

Fs41 Hz −15%

Qts0.35 −5%

Vas154 L +15%

BL20.6 T·m +7%

Xmax5.5 mm −8%

Sensitivity96.6 dB −1.2

Eighteen Sound15MB1000

£259.50

Fs48 Hz –

Qts0.31 −16%

Vas132.5 L –

BL21 T·m +9%

Xmax6 mm –

Sensitivity98.6 dB +0.8

Eighteen Sound15NTLW3500

£319.85

Fs45 Hz −6%

Qts0.39 +5%

Vas131 L –

BL19.5 T·m –

Xmax8.3 mm +38%

Sensitivity96.8 dB −1

BMS15CN682

£384.52

Fs41 Hz −15%

Qts0.36 –

Vas137 L –

BL20.6 T·m +7%

Xmax5.5 mm −8%

Sensitivity95.9 dB −1.9

Beyma15CXA400ND

£401.87

Fs40 Hz −17%

Qts0.36 –

Vas196 L +46%

BL19 T·m –

Xmax6 mm –

Sensitivity97.1 dB −0.7

Eighteen Sound15NCX750

£454.74

Fs49 Hz –

Qts0.37 –

Vas141 L +5%

BL18.4 T·m −4%

Xmax5.5 mm −8%

Sensitivity98.2 dB –

Eighteen Sound15NCX750H

£470.84

Fs49 Hz –

Qts0.37 –

Vas141 L +5%

BL18.5 T·m −4%

Xmax5.5 mm −8%

Sensitivity98.2 dB –

LavoceNBASS15-30

No current price

Fs42 Hz −13%

Qts0.36 –

Vas143.1 L +7%

BL19.2 T·m –

Xmax6.6 mm +10%

Sensitivity96.5 dB −1.3

BMS15CN680

No current price

Fs41 Hz −15%

Qts0.36 –

Vas137 L –

BL20.6 T·m +7%

Xmax5.5 mm −8%

Sensitivity95.9 dB −1.9

RCFM15P550

No current price

Fs45 Hz −6%

Qts0.37 –

Vas140 L +4%

BL19.8 T·m +3%

Xmax7 mm +17%

Sensitivity97 dB −0.8

Oberton15XL400

No current price

Fs49 Hz –

Qts0.34 −9%

Vas140 L +4%

BL18.9 T·m –

Xmax5.3 mm −13%

Sensitivity98.7 dB +0.9

Eighteen Sound15W1301

No current price

Fs48 Hz –

Qts0.32 −14%

Vas123 L −8%

BL22.3 T·m +16%

Xmax6 mm –

Sensitivity97.7 dB –

FaneSOVEREIGN PRO 15-600

No current price

Fs38 Hz −21%

Qts0.35 −5%

Vas201 L +50%

BL17.5 T·m −9%

Xmax6 mm –

Sensitivity96.5 dB −1.3

Sica15 CX 3 PL P

No current price

Fs45 Hz −7%

Qts0.40 +8%

Vas152.4 L +14%

BL17.3 T·m −10%

Xmax5.5 mm −8%

Sensitivity97.1 dB −0.7

Sica15 CX 3 PL T

No current price

Fs45 Hz −7%

Qts0.40 +8%

Vas152.4 L +14%

BL17.3 T·m −10%

Xmax5.5 mm −8%

Sensitivity97.1 dB −0.7

Sica15 N 3 PL

No current price

Fs47 Hz –

Qts0.37 –

Vas140.4 L +5%

BL18.4 T·m −4%

Xmax10 mm +67%

Sensitivity98 dB –

Oberton15NCX

No current price

Fs44 Hz −9%

Qts0.36 –

Vas138.4 L +3%

BL18.6 T·m −3%

Xmax7.8 mm +29%

Sensitivity96.9 dB −0.9

Oberton15H4CX72

No current price

Fs56 Hz +17%

Qts0.37 –

Vas113.1 L −16%

BL18.2 T·m −5%

Xmax4.5 mm −25%

Sensitivity99.3 dB +1.5

Oberton15CX

No current price

Fs38 Hz −20%

Qts0.35 −6%

Vas163.8 L +22%

BL18.4 T·m −4%

Xmax7 mm +17%

Sensitivity95.9 dB −1.9

Oberton15MB35

No current price

Fs48 Hz –

Qts0.34 −9%

Vas115.1 L −14%

BL20.1 T·m +5%

Xmax6.8 mm +13%

Sensitivity97.6 dB –

Oberton15HCX3572

No current price

Fs46 Hz −4%

Qts0.34 −8%

Vas140.7 L +5%

BL18.8 T·m –

Xmax7.3 mm +21%

Sensitivity98 dB –

P.Audio15FT-76MB

No current price

Fs42 Hz −13%

Qts0.35 −5%

Vas150.9 L +13%

BL20.4 T·m +6%

Xmax4.7 mm −22%

Sensitivity96.8 dB −1

Sica15 FE 3 CP

No current price

Fs40 Hz −16%

Qts0.33 −11%

Vas170.4 L +27%

BL19.1 T·m –

Xmax5.5 mm −8%

Sensitivity97.2 dB −0.6

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	£197.38		Usually available in 6-8 weeks	Visit shop at Blue Aran
Audio Video Parts Checked 25 Oct 2026 · Ships from Italy · 8 Ω · Source: inc VAT · 22% Import VAT and duty may apply	£168.15		Special order	Visit shop at Audio Video Parts