2-inch LF driver · FSN020 series · 20 mm voice coil · 15 W

Lavoce FSN020.71F 8Ω

Name: Lavoce FSN020.71F 8 Ohm
Brand: Lavoce
SKU: FSN020.71F

8 Ω · 200–20000 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 212Hz
Xmax: 2.4mm
SPL: 86dB
Pe: 15W
BL: 3.2T·m
Vd: 4cm³
Qts: 0.82
Vas: 0.22L

See all 24 specs

Specifications

Published by Lavoce

Manufacturer page

Lavoce FSN020.71F is a 2-inch 8 ohm LF driver rated at 15 W RMS. The validated T/S data includes Fs 212 Hz, Qts 0.82, Vas 0.22 L, Xmax 2.4 mm, sensitivity 85.5 dB, plus 4 cm³ Vd and 223 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: 212Hz
Qts: 0.82
Qes: 0.95
Qms: 6.4
Vas: 0.22L
Re: 6.4Ω
Le: 0.06mH

Motor and cone

BL: 3.2T·m
Sd: 18cm²
Mms: 1g
Xmax: 2.4mm
Vd †: 4cm³
Voice coil: 20mm

Power and response

Sensitivity †: 85.5dB
Manufacturer sensitivity: 86.5dB
Power: 15W
Impedance: 8Ω
Min. impedance: 6.9Ω
Range: 200–20000Hz
EBP †: 223 · Leans vented

Size and mounting

Weight: 0.15kg

Other published values

Cms: 0.48mm/N
Xmech: 2.6
Power Program: 30

Sensitivity shows 85.5 dB, calculated from the T/S values. Lavoce publishes 86.5 dB, 1.0 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Lavoce lists

LF · Primary · 2″

BL: 3.2T·m
Fs: 212Hz
Le: 0.06mH
Re: 6.4Ω
Sd: 18cm²
Cms: 0.48mm/N
Mms: 1g
Qes: 0.95
Qms: 6.4
Qts: 0.82
SPL: 85.5dB
Vas: 0.22L
Xmax: 2.4mm
Xmech: 2.6
Power: 15W
Impedance: 8Ω
Sensitivity: 86.5dB
Low limit: 200Hz
Power Program: 30
Calculated sensitivity †: 85.5dB
High limit: 20000Hz
Manufacturer sensitivity: 86.5dB
Min. impedance: 6.9Ω
Voice coil: 20mm
Weight: 0.15kg

Compare

Same-size drivers, compared with the FSN020.71F. Clear differences are green when better and red when worse.

This driverFSN020.71F

Best price

–

212 Hz

Qts

0.82

Vas

0.22 L

3.2 T·m

Xmax

2.4 mm

Sensitivity

85.5 dB

Power

15 W

Dayton AudioCE65W-8

£7.32

Fs112 Hz −47%

Qts–

Vas0.021 L −90%

BL3.2 T·m –

Xmax2 mm −17%

Sensitivity67 dB −18.5

REDCATT30FF

£9.00

Fs119 Hz −44%

Qts0.78 −5%

Vas0.8 L +268%

BL3.3 T·m –

Xmax19 mm +692%

Sensitivity83.5 dB −2

LavoceFSF030.70

£10.04

Fs123 Hz −42%

Qts0.77 −6%

Vas1.2 L +432%

BL3.5 T·m +7%

Xmax2.1 mm −12%

Sensitivity85.9 dB –

Dayton AudioPC68-8

£11.26

Fs109 Hz −49%

Qts0.64 −22%

Vas1.3 L +491%

BL3.3 T·m –

Xmax2 mm −17%

Sensitivity84.8 dB −0.7

VisatonFRS 5 X

£11.52

Fs190 Hz −10%

Qts0.70 −15%

Vas0.23 L +5%

BL2.7 T·m −18%

Xmax0.25 mm −90%

Sensitivity84.6 dB −0.9

Dayton AudioCE81PF-8

£12.52

Fs97 Hz −54%

Qts0.81 –

Vas1.0 L +354%

BL3.7 T·m +15%

Xmax2.7 mm +13%

Sensitivity82.1 dB −3.4

PeerlessPLS-P830986

£14.59

Fs110 Hz −48%

Qts0.80 –

Vas0.8 L +279%

BL3.5 T·m +6%

Xmax3.4 mm +41%

Sensitivity82.7 dB −2.8

HiViB3N

£15.45

Fs77 Hz −64%

Qts0.86 +5%

Vas1.7 L +673%

BL3.1 T·m −4%

Xmax3 mm +25%

Sensitivity80.6 dB −4.9

REDCATT31NFR

£15.45

Fs115 Hz −46%

Qts0.88 +7%

Vas0.85 L +286%

BL3.5 T·m +8%

Xmax1.7 mm −29%

Sensitivity83.4 dB −2.1

VisatonFRS 5 XTS

£15.53

Fs190 Hz −10%

Qts0.70 −15%

Vas0.23 L +5%

BL2.7 T·m −18%

Xmax0.25 mm −90%

Sensitivity84.6 dB −0.9

Sica2.5 H 0.8 SL

£17.58

Fs185 Hz −13%

Qts0.92 +12%

Vas0.2 L −9%

BL2.8 T·m −14%

Xmax1.3 mm −46%

Sensitivity82.6 dB −2.9

Sica2 H 0.8 SL

£17.58

Fs216 Hz –

Qts0.81 –

Vas0.1 L −55%

BL2.6 T·m −20%

Xmax1.4 mm −42%

Sensitivity82.1 dB −3.4

FaitalPRO3FE26

£18.83

Fs150 Hz −29%

Qts0.79 −4%

Vas0.9 L +309%

BL3.3 T·m –

Xmax2 mm −17%

Sensitivity86.4 dB +0.9

WavecorFR070WA04

£33.41

Fs114 Hz −46%

Qts0.87 +6%

Vas0.6 L +177%

BL2.9 T·m −10%

Xmax2 mm −17%

Sensitivity81.9 dB −3.6

CelestionAN2075

£33.66

Fs153 Hz −28%

Qts0.84 –

Vas1.5 L +586%

BL2.7 T·m −16%

Xmax2.3 mm −6%

Sensitivity89.4 dB +3.9

CelestionAN2775

£35.00

Fs123 Hz −42%

Qts0.96 +17%

Vas3.6 L +1523%

BL3.1 T·m −6%

Xmax2.3 mm −6%

Sensitivity89.6 dB +4.1

PRV Audio3MR40-NDY-4

£36.80

Fs153 Hz −28%

Qts0.77 −6%

Vas0.6 L +186%

BL2.9 T·m −10%

Xmax1.4 mm −42%

Sensitivity85.6 dB –

WavecorFR084WA01

£61.71

Fs113 Hz −47%

Qts0.82 –

Vas1.1 L +386%

BL2.9 T·m −10%

Xmax2 mm −17%

Sensitivity84.1 dB −1.4

ScanspeakD8404/552000

£2,428.16

Fs280 Hz +32%

Qts0.69 −16%

Vas0.27 L +23%

BL6.1 T·m +88%

Xmax2.4 mm –

Sensitivity90.6 dB +5.1

LavoceFSN020.72

No current price

Fs210 Hz –

Qts0.92 +12%

Vas0.18 L −18%

BL3.2 T·m –

Xmax2.3 mm −4%

Sensitivity83.6 dB −1.9

WavecorFR084WA02

No current price

Fs109 Hz −49%

Qts0.79 −4%

Vas1.1 L +418%

BL3.6 T·m +13%

Xmax2.5 mm +4%

Sensitivity84 dB −1.5

Dayton AudioCE67PR-4

No current price

Fs218 Hz –

Qts0.92 +12%

Vas0.11 L −50%

BL3.2 T·m –

Xmax2.2 mm −8%

Sensitivity82.1 dB −3.4

LavoceFSN021.02

No current price

Fs151 Hz −29%

Qts0.68 −17%

Vas0.3 L +36%

BL3.4 T·m +6%

Xmax2.3 mm −4%

Sensitivity83.3 dB −2.2

WavecorFR070OM01

No current price

Fs116 Hz −45%

Qts0.83 –

Vas0.6 L +173%

BL2.3 T·m −29%

Xmax2.5 mm +4%

Sensitivity82.3 dB −3.2

WavecorFR084OM01

No current price

Fs115 Hz −46%

Qts0.92 +12%

Vas1.1 L +391%

BL2.8 T·m −15%

Xmax2.3 mm −6%

Sensitivity84.1 dB −1.4

HiViM3N

No current price

Fs91 Hz −57%

Qts0.80 –

Vas1.5 L +582%

BL3 T·m −7%

Xmax3 mm +25%

Sensitivity82.4 dB −3.1

WavecorFR055WA02

No current price

Fs128 Hz −40%

Qts0.82 –

Vas0.33 L +50%

BL2.7 T·m −18%

Xmax1.4 mm −44%

Sensitivity80.8 dB −4.7

Dayton AudioCE58N-10

No current price

Fs177 Hz −17%

Qts0.69 −16%

Vas0.16 L −28%

BL4.2 T·m +29%

Xmax2.1 mm −12%

Sensitivity82 dB −3.5

Tang BandW2-1803S

No current price

Fs155 Hz −27%

Qts0.75 −9%

Vas0.25 L +14%

BL2.3 T·m −29%

Xmax0.7 mm −71%

Sensitivity81.6 dB −3.9

WavecorFR070OM02

No current price

Fs120 Hz −43%

Qts1 +22%

Vas0.6 L +173%

BL2.9 T·m −10%

Xmax2.5 mm +4%

Sensitivity81.9 dB −3.6

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 24 Oct 2026 · 8 Ω · Source: inc VAT · 20% 3-5 months	£14.46		Usually available in 3-5 months	Visit shop at Blue Aran

bits00 AUDIO

2-inch LF driver · FSN020 series · 20 mm voice coil · 15 W

Lavoce FSN020.71F 8Ω

8 Ω · 200–20000 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 212Hz
Xmax: 2.4mm
SPL: 86dB
Pe: 15W
BL: 3.2T·m
Vd: 4cm³
Qts: 0.82
Vas: 0.22L

See all 24 specs

Specifications

Published by Lavoce

Manufacturer page

The published T/S values agree with each other

Thiele/Small

Fs: 212Hz
Qts: 0.82
Qes: 0.95
Qms: 6.4
Vas: 0.22L
Re: 6.4Ω
Le: 0.06mH

Motor and cone

BL: 3.2T·m
Sd: 18cm²
Mms: 1g
Xmax: 2.4mm
Vd †: 4cm³
Voice coil: 20mm

Power and response

Sensitivity †: 85.5dB
Manufacturer sensitivity: 86.5dB
Power: 15W
Impedance: 8Ω
Min. impedance: 6.9Ω
Range: 200–20000Hz
EBP †: 223 · Leans vented

Size and mounting

Weight: 0.15kg

Other published values

Cms: 0.48mm/N
Xmech: 2.6
Power Program: 30

Sensitivity shows 85.5 dB, calculated from the T/S values. Lavoce publishes 86.5 dB, 1.0 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Lavoce lists

LF · Primary · 2″

BL: 3.2T·m
Fs: 212Hz
Le: 0.06mH
Re: 6.4Ω
Sd: 18cm²
Cms: 0.48mm/N
Mms: 1g
Qes: 0.95
Qms: 6.4
Qts: 0.82
SPL: 85.5dB
Vas: 0.22L
Xmax: 2.4mm
Xmech: 2.6
Power: 15W
Impedance: 8Ω
Sensitivity: 86.5dB
Low limit: 200Hz
Power Program: 30
Calculated sensitivity †: 85.5dB
High limit: 20000Hz
Manufacturer sensitivity: 86.5dB
Min. impedance: 6.9Ω
Voice coil: 20mm
Weight: 0.15kg

Compare

Same-size drivers, compared with the FSN020.71F. Clear differences are green when better and red when worse.

This driverFSN020.71F

Best price

–

212 Hz

Qts

0.82

Vas

0.22 L

3.2 T·m

Xmax

2.4 mm

Sensitivity

85.5 dB

Power

15 W

Dayton AudioCE65W-8

£7.32

Fs112 Hz −47%

Qts–

Vas0.021 L −90%

BL3.2 T·m –

Xmax2 mm −17%

Sensitivity67 dB −18.5

REDCATT30FF

£9.00

Fs119 Hz −44%

Qts0.78 −5%

Vas0.8 L +268%

BL3.3 T·m –

Xmax19 mm +692%

Sensitivity83.5 dB −2

LavoceFSF030.70

£10.04

Fs123 Hz −42%

Qts0.77 −6%

Vas1.2 L +432%

BL3.5 T·m +7%

Xmax2.1 mm −12%

Sensitivity85.9 dB –

Dayton AudioPC68-8

£11.26

Fs109 Hz −49%

Qts0.64 −22%

Vas1.3 L +491%

BL3.3 T·m –

Xmax2 mm −17%

Sensitivity84.8 dB −0.7

VisatonFRS 5 X

£11.52

Fs190 Hz −10%

Qts0.70 −15%

Vas0.23 L +5%

BL2.7 T·m −18%

Xmax0.25 mm −90%

Sensitivity84.6 dB −0.9

Dayton AudioCE81PF-8

£12.52

Fs97 Hz −54%

Qts0.81 –

Vas1.0 L +354%

BL3.7 T·m +15%

Xmax2.7 mm +13%

Sensitivity82.1 dB −3.4

PeerlessPLS-P830986

£14.59

Fs110 Hz −48%

Qts0.80 –

Vas0.8 L +279%

BL3.5 T·m +6%

Xmax3.4 mm +41%

Sensitivity82.7 dB −2.8

HiViB3N

£15.45

Fs77 Hz −64%

Qts0.86 +5%

Vas1.7 L +673%

BL3.1 T·m −4%

Xmax3 mm +25%

Sensitivity80.6 dB −4.9

REDCATT31NFR

£15.45

Fs115 Hz −46%

Qts0.88 +7%

Vas0.85 L +286%

BL3.5 T·m +8%

Xmax1.7 mm −29%

Sensitivity83.4 dB −2.1

VisatonFRS 5 XTS

£15.53

Fs190 Hz −10%

Qts0.70 −15%

Vas0.23 L +5%

BL2.7 T·m −18%

Xmax0.25 mm −90%

Sensitivity84.6 dB −0.9

Sica2.5 H 0.8 SL

£17.58

Fs185 Hz −13%

Qts0.92 +12%

Vas0.2 L −9%

BL2.8 T·m −14%

Xmax1.3 mm −46%

Sensitivity82.6 dB −2.9

Sica2 H 0.8 SL

£17.58

Fs216 Hz –

Qts0.81 –

Vas0.1 L −55%

BL2.6 T·m −20%

Xmax1.4 mm −42%

Sensitivity82.1 dB −3.4

FaitalPRO3FE26

£18.83

Fs150 Hz −29%

Qts0.79 −4%

Vas0.9 L +309%

BL3.3 T·m –

Xmax2 mm −17%

Sensitivity86.4 dB +0.9

WavecorFR070WA04

£33.41

Fs114 Hz −46%

Qts0.87 +6%

Vas0.6 L +177%

BL2.9 T·m −10%

Xmax2 mm −17%

Sensitivity81.9 dB −3.6

CelestionAN2075

£33.66

Fs153 Hz −28%

Qts0.84 –

Vas1.5 L +586%

BL2.7 T·m −16%

Xmax2.3 mm −6%

Sensitivity89.4 dB +3.9

CelestionAN2775

£35.00

Fs123 Hz −42%

Qts0.96 +17%

Vas3.6 L +1523%

BL3.1 T·m −6%

Xmax2.3 mm −6%

Sensitivity89.6 dB +4.1

PRV Audio3MR40-NDY-4

£36.80

Fs153 Hz −28%

Qts0.77 −6%

Vas0.6 L +186%

BL2.9 T·m −10%

Xmax1.4 mm −42%

Sensitivity85.6 dB –

WavecorFR084WA01

£61.71

Fs113 Hz −47%

Qts0.82 –

Vas1.1 L +386%

BL2.9 T·m −10%

Xmax2 mm −17%

Sensitivity84.1 dB −1.4

ScanspeakD8404/552000

£2,428.16

Fs280 Hz +32%

Qts0.69 −16%

Vas0.27 L +23%

BL6.1 T·m +88%

Xmax2.4 mm –

Sensitivity90.6 dB +5.1

LavoceFSN020.72

No current price

Fs210 Hz –

Qts0.92 +12%

Vas0.18 L −18%

BL3.2 T·m –

Xmax2.3 mm −4%

Sensitivity83.6 dB −1.9

WavecorFR084WA02

No current price

Fs109 Hz −49%

Qts0.79 −4%

Vas1.1 L +418%

BL3.6 T·m +13%

Xmax2.5 mm +4%

Sensitivity84 dB −1.5

Dayton AudioCE67PR-4

No current price

Fs218 Hz –

Qts0.92 +12%

Vas0.11 L −50%

BL3.2 T·m –

Xmax2.2 mm −8%

Sensitivity82.1 dB −3.4

LavoceFSN021.02

No current price

Fs151 Hz −29%

Qts0.68 −17%

Vas0.3 L +36%

BL3.4 T·m +6%

Xmax2.3 mm −4%

Sensitivity83.3 dB −2.2

WavecorFR070OM01

No current price

Fs116 Hz −45%

Qts0.83 –

Vas0.6 L +173%

BL2.3 T·m −29%

Xmax2.5 mm +4%

Sensitivity82.3 dB −3.2

WavecorFR084OM01

No current price

Fs115 Hz −46%

Qts0.92 +12%

Vas1.1 L +391%

BL2.8 T·m −15%

Xmax2.3 mm −6%

Sensitivity84.1 dB −1.4

HiViM3N

No current price

Fs91 Hz −57%

Qts0.80 –

Vas1.5 L +582%

BL3 T·m −7%

Xmax3 mm +25%

Sensitivity82.4 dB −3.1

WavecorFR055WA02

No current price

Fs128 Hz −40%

Qts0.82 –

Vas0.33 L +50%

BL2.7 T·m −18%

Xmax1.4 mm −44%

Sensitivity80.8 dB −4.7

Dayton AudioCE58N-10

No current price

Fs177 Hz −17%

Qts0.69 −16%

Vas0.16 L −28%

BL4.2 T·m +29%

Xmax2.1 mm −12%

Sensitivity82 dB −3.5

Tang BandW2-1803S

No current price

Fs155 Hz −27%

Qts0.75 −9%

Vas0.25 L +14%

BL2.3 T·m −29%

Xmax0.7 mm −71%

Sensitivity81.6 dB −3.9

WavecorFR070OM02

No current price

Fs120 Hz −43%

Qts1 +22%

Vas0.6 L +173%

BL2.9 T·m −10%

Xmax2.5 mm +4%

Sensitivity81.9 dB −3.6

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 24 Oct 2026 · 8 Ω · Source: inc VAT · 20% 3-5 months	£14.46		Usually available in 3-5 months	Visit shop at Blue Aran