12-inch LF driver · SW312WA series · 51 mm voice coil

Wavecor SW312WA03 4Ω

Name: Wavecor SW312WA03 4 Ohm
Brand: Wavecor
SKU: SW312WA03

4 Ω

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 28Hz
Xmax: 11.5mm
SPL: 86dB
Pe: –
BL: 14.5T·m
Vd: 561cm³
Qts: 0.48
Vas: 61L

See all 18 specs

Specifications

Published by Wavecor

Manufacturer page

Datasheet PDF

Wavecor SW312WA03 is a 12-inch 4 ohm LF driver. The validated T/S data includes Fs 28 Hz, Qts 0.48, Vas 61 L, Xmax 11.5 mm, sensitivity 86.3 dB, plus 561 cm³ Vd and 56 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: 28Hz
Qts: 0.48
Qes: 0.50
Qms: 11.5
Vas: 61L
Re: 3.2Ω

Motor and cone

BL: 14.5T·m
Sd: 488cm²
Mms: 185g
Xmax: 11.5mm
Vd †: 561cm³
Voice coil: 51mm

Power and response

Sensitivity †: 86.3dB
Impedance: 4Ω
EBP †: 56 · Sealed or vented

Size and mounting

Diameter: 311.1mm

Other published values

Cms: 0.18mm/N
Rms: 2.80kg/s

† Calculated by bits from the published values

What this validation status means

Everything else Wavecor lists

LF · Primary · 12″

BL: 14.5T·m
Fs: 28Hz
Re: 3.2Ω
Sd: 488cm²
Cms: 0.18mm/N
Mms: 185g
Qes: 0.50
Qms: 11.5
Qts: 0.48
Rms: 2.80kg/s
SPL: 86.3dB
Vas: 61L
Xmax: 11.5mm
Impedance: 4Ω
Calculated sensitivity †: 86.3dB
Voice coil: 51mm
Diameter: 311.1mm

Compare

Same-size drivers, compared with the SW312WA03. Clear differences are green when better and red when worse.

This driverSW312WA03

Best price

–

28 Hz

Qts

0.48

Vas

61 L

14.5 T·m

Xmax

11.5 mm

Sensitivity

86.3 dB

Power

–

PeerlessFSL-1220R02-08

£59.63

Fs62 Hz +121%

Qts0.55 +15%

Vas61.1 L –

BL13.3 T·m −8%

Xmax5.1 mm −56%

Sensitivity96 dB +9.7

PRV Audio12W750A

£63.62

Fs60 Hz +114%

Qts0.43 −10%

Vas81 L +33%

BL14.3 T·m –

Xmax3.6 mm −69%

Sensitivity98 dB +11.7

SB AudienceBIANCO-12MW200

£68.29

Fs51 Hz +82%

Qts0.49 –

Vas62.9 L +3%

BL14.7 T·m –

Xmax7.0 mm −39%

Sensitivity94.2 dB +7.9

CelestionK12H-100TC

£69.74

Fs56 Hz +99%

Qts0.40 −17%

Vas72.0 L +18%

BL13.6 T·m −7%

Xmax3 mm −74%

Sensitivity96.2 dB +9.9

GRS12SW-4HE

£70.54

Fs22 Hz −21%

Qts0.43 −10%

Vas80.4 L +32%

BL16.2 T·m +12%

Xmax12.5 mm +9%

Sensitivity84.5 dB −1.8

PeerlessFSL-1225R02-08

£71.93

Fs63 Hz +125%

Qts0.44 −8%

Vas54.8 L −10%

BL14.9 T·m –

Xmax5.3 mm −54%

Sensitivity96.5 dB +10.2

FaneSOVEREIGN 12-500LF

£77.00

Fs50 Hz +79%

Qts0.51 +6%

Vas66 L +8%

BL16.4 T·m +13%

Xmax5.5 mm −52%

Sensitivity94 dB +7.7

EminenceDELTA 12B

£98.89

Fs58 Hz +107%

Qts0.48 –

Vas87 L +43%

BL16 T·m +10%

Xmax2.7 mm −77%

Sensitivity97.2 dB +10.9

EminenceDELTA-12A

£98.89

Fs55 Hz +96%

Qts0.43 −10%

Vas81.3 L +33%

BL13.5 T·m −7%

Xmax2.4 mm −79%

Sensitivity96.7 dB +10.4

EminenceDELTA-12LFA

£104.88

Fs51 Hz +82%

Qts0.47 –

Vas67.9 L +11%

BL14.1 T·m –

Xmax4.8 mm −58%

Sensitivity94.5 dB +8.2

EminenceDELTA-12LFC

£104.88

Fs52 Hz +86%

Qts0.44 −8%

Vas63.7 L +4%

BL10.9 T·m −25%

Xmax4.8 mm −58%

Sensitivity94.8 dB +8.5

B&C320K/C-A

£107.29

Fs82 Hz +193%

Qts0.50 +4%

Vas53 L −13%

BL12.2 T·m −16%

Xmax2 mm −83%

Sensitivity99.5 dB +13.2

Sica12 SR 3 CP

£155.45

Fs37 Hz +32%

Qts0.40 −17%

Vas60.9 L –

BL16.6 T·m +14%

Xmax8 mm −30%

Sensitivity90.3 dB +4

Sica12 SR 3 PL

£209.23

Fs36 Hz +29%

Qts0.42 −13%

Vas60.4 L –

BL17.0 T·m +17%

Xmax7 mm −39%

Sensitivity90 dB +3.7

VisatonPAW 30 ND

£222.00

Fs52 Hz +86%

Qts0.46 −4%

Vas55.4 L −9%

BL15.4 T·m +6%

Xmax9 mm −22%

Sensitivity93.9 dB +7.6

FaitalPRO12HX230

£250.31

Fs55 Hz +96%

Qts0.43 −10%

Vas67.7 L +11%

BL14.1 T·m –

Xmax7.4 mm −36%

Sensitivity95.9 dB +9.6

Eighteen Sound12NLW9300

£274.84

Fs47 Hz +68%

Qts0.42 −13%

Vas56 L −8%

BL17 T·m +17%

Xmax8 mm −30%

Sensitivity93.1 dB +6.8

WavecorSW312WA06

£439.04

Fs29 Hz +4%

Qts0.57 +19%

Vas61 L –

BL18.4 T·m +27%

Xmax11.5 mm –

Sensitivity86 dB –

WavecorSW312WA04

No current price

Fs28 Hz –

Qts0.48 –

Vas61 L –

BL14.5 T·m –

Xmax11.5 mm –

Sensitivity86.3 dB –

Sica12 PFS 3

No current price

Fs43 Hz +54%

Qts0.47 –

Vas58.5 L −4%

BL15.9 T·m +10%

Xmax7 mm −39%

Sensitivity91.6 dB +5.3

P.AudioGST-12500-V3

No current price

Fs56 Hz +100%

Qts0.48 –

Vas52.9 L −13%

BL15.7 T·m +8%

Xmax3.3 mm −72%

Sensitivity94.6 dB +8.3

P.Audio12BMA-300B

No current price

Fs61 Hz +118%

Qts0.49 –

Vas54.4 L −11%

BL13.7 T·m −6%

Xmax4 mm −65%

Sensitivity95.7 dB +9.4

Sica12 C 2 CP

No current price

Fs58 Hz +109%

Qts0.45 −6%

Vas74.3 L +22%

BL13.7 T·m −6%

Xmax4.5 mm −61%

Sensitivity96.8 dB +10.5

LavoceFBASS12-20

No current price

Fs53 Hz +89%

Qts0.46 −4%

Vas75.4 L +24%

BL13.3 T·m −9%

Xmax4.3 mm −63%

Sensitivity95.5 dB +9.2

WavecorSW312WA05

No current price

Fs29 Hz +4%

Qts0.57 +19%

Vas61 L –

BL18.4 T·m +27%

Xmax11.5 mm –

Sensitivity86 dB –

CelestionFTR12-2565D

No current price

Fs60 Hz +115%

Qts0.42 −13%

Vas49.1 L −19%

BL15.4 T·m +7%

Xmax4 mm −65%

Sensitivity95.3 dB +9

Acoustic EleganceSBP12-8

No current price

Fs24 Hz −16%

Qts0.48 –

Vas160 L +162%

BL13.1 T·m −10%

Xmax14 mm +22%

Sensitivity87.9 dB +1.6

JensenC12K-2-8

No current price

Fs79 Hz +182%

Qts0.47 –

Vas43.1 L −29%

BL14.7 T·m –

Xmax1 mm −91%

Sensitivity97.4 dB +11.1

JensenBS12N250A-8

No current price

Fs47 Hz +68%

Qts0.43 −10%

Vas81.3 L +33%

BL14.4 T·m –

Xmax5.5 mm −52%

Sensitivity94.8 dB +8.5

EminenceSWAMP THANG

No current price

Fs97 Hz +246%

Qts0.53 +10%

Vas41.3 L −32%

BL14.2 T·m –

Xmax0.8 mm −93%

Sensitivity100.4 dB +14.1

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
Lautsprechershop Checked 21 Oct 2026 · Ships from Germany · 4 Ω · Source: inc VAT · 19% Import VAT and duty may apply	£429.80		Out of stock	Visit shop at Lautsprechershop

bits00 AUDIO

12-inch LF driver · SW312WA series · 51 mm voice coil

Wavecor SW312WA03 4Ω

4 Ω

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 28Hz
Xmax: 11.5mm
SPL: 86dB
Pe: –
BL: 14.5T·m
Vd: 561cm³
Qts: 0.48
Vas: 61L

See all 18 specs

Specifications

Published by Wavecor

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 28Hz
Qts: 0.48
Qes: 0.50
Qms: 11.5
Vas: 61L
Re: 3.2Ω

Motor and cone

BL: 14.5T·m
Sd: 488cm²
Mms: 185g
Xmax: 11.5mm
Vd †: 561cm³
Voice coil: 51mm

Power and response

Sensitivity †: 86.3dB
Impedance: 4Ω
EBP †: 56 · Sealed or vented

Size and mounting

Diameter: 311.1mm

Other published values

Cms: 0.18mm/N
Rms: 2.80kg/s

† Calculated by bits from the published values

What this validation status means

Everything else Wavecor lists

LF · Primary · 12″

BL: 14.5T·m
Fs: 28Hz
Re: 3.2Ω
Sd: 488cm²
Cms: 0.18mm/N
Mms: 185g
Qes: 0.50
Qms: 11.5
Qts: 0.48
Rms: 2.80kg/s
SPL: 86.3dB
Vas: 61L
Xmax: 11.5mm
Impedance: 4Ω
Calculated sensitivity †: 86.3dB
Voice coil: 51mm
Diameter: 311.1mm

Compare

Same-size drivers, compared with the SW312WA03. Clear differences are green when better and red when worse.

This driverSW312WA03

Best price

–

28 Hz

Qts

0.48

Vas

61 L

14.5 T·m

Xmax

11.5 mm

Sensitivity

86.3 dB

Power

–

PeerlessFSL-1220R02-08

£59.63

Fs62 Hz +121%

Qts0.55 +15%

Vas61.1 L –

BL13.3 T·m −8%

Xmax5.1 mm −56%

Sensitivity96 dB +9.7

PRV Audio12W750A

£63.62

Fs60 Hz +114%

Qts0.43 −10%

Vas81 L +33%

BL14.3 T·m –

Xmax3.6 mm −69%

Sensitivity98 dB +11.7

SB AudienceBIANCO-12MW200

£68.29

Fs51 Hz +82%

Qts0.49 –

Vas62.9 L +3%

BL14.7 T·m –

Xmax7.0 mm −39%

Sensitivity94.2 dB +7.9

CelestionK12H-100TC

£69.74

Fs56 Hz +99%

Qts0.40 −17%

Vas72.0 L +18%

BL13.6 T·m −7%

Xmax3 mm −74%

Sensitivity96.2 dB +9.9

GRS12SW-4HE

£70.54

Fs22 Hz −21%

Qts0.43 −10%

Vas80.4 L +32%

BL16.2 T·m +12%

Xmax12.5 mm +9%

Sensitivity84.5 dB −1.8

PeerlessFSL-1225R02-08

£71.93

Fs63 Hz +125%

Qts0.44 −8%

Vas54.8 L −10%

BL14.9 T·m –

Xmax5.3 mm −54%

Sensitivity96.5 dB +10.2

FaneSOVEREIGN 12-500LF

£77.00

Fs50 Hz +79%

Qts0.51 +6%

Vas66 L +8%

BL16.4 T·m +13%

Xmax5.5 mm −52%

Sensitivity94 dB +7.7

EminenceDELTA 12B

£98.89

Fs58 Hz +107%

Qts0.48 –

Vas87 L +43%

BL16 T·m +10%

Xmax2.7 mm −77%

Sensitivity97.2 dB +10.9

EminenceDELTA-12A

£98.89

Fs55 Hz +96%

Qts0.43 −10%

Vas81.3 L +33%

BL13.5 T·m −7%

Xmax2.4 mm −79%

Sensitivity96.7 dB +10.4

EminenceDELTA-12LFA

£104.88

Fs51 Hz +82%

Qts0.47 –

Vas67.9 L +11%

BL14.1 T·m –

Xmax4.8 mm −58%

Sensitivity94.5 dB +8.2

EminenceDELTA-12LFC

£104.88

Fs52 Hz +86%

Qts0.44 −8%

Vas63.7 L +4%

BL10.9 T·m −25%

Xmax4.8 mm −58%

Sensitivity94.8 dB +8.5

B&C320K/C-A

£107.29

Fs82 Hz +193%

Qts0.50 +4%

Vas53 L −13%

BL12.2 T·m −16%

Xmax2 mm −83%

Sensitivity99.5 dB +13.2

Sica12 SR 3 CP

£155.45

Fs37 Hz +32%

Qts0.40 −17%

Vas60.9 L –

BL16.6 T·m +14%

Xmax8 mm −30%

Sensitivity90.3 dB +4

Sica12 SR 3 PL

£209.23

Fs36 Hz +29%

Qts0.42 −13%

Vas60.4 L –

BL17.0 T·m +17%

Xmax7 mm −39%

Sensitivity90 dB +3.7

VisatonPAW 30 ND

£222.00

Fs52 Hz +86%

Qts0.46 −4%

Vas55.4 L −9%

BL15.4 T·m +6%

Xmax9 mm −22%

Sensitivity93.9 dB +7.6

FaitalPRO12HX230

£250.31

Fs55 Hz +96%

Qts0.43 −10%

Vas67.7 L +11%

BL14.1 T·m –

Xmax7.4 mm −36%

Sensitivity95.9 dB +9.6

Eighteen Sound12NLW9300

£274.84

Fs47 Hz +68%

Qts0.42 −13%

Vas56 L −8%

BL17 T·m +17%

Xmax8 mm −30%

Sensitivity93.1 dB +6.8

WavecorSW312WA06

£439.04

Fs29 Hz +4%

Qts0.57 +19%

Vas61 L –

BL18.4 T·m +27%

Xmax11.5 mm –

Sensitivity86 dB –

WavecorSW312WA04

No current price

Fs28 Hz –

Qts0.48 –

Vas61 L –

BL14.5 T·m –

Xmax11.5 mm –

Sensitivity86.3 dB –

Sica12 PFS 3

No current price

Fs43 Hz +54%

Qts0.47 –

Vas58.5 L −4%

BL15.9 T·m +10%

Xmax7 mm −39%

Sensitivity91.6 dB +5.3

P.AudioGST-12500-V3

No current price

Fs56 Hz +100%

Qts0.48 –

Vas52.9 L −13%

BL15.7 T·m +8%

Xmax3.3 mm −72%

Sensitivity94.6 dB +8.3

P.Audio12BMA-300B

No current price

Fs61 Hz +118%

Qts0.49 –

Vas54.4 L −11%

BL13.7 T·m −6%

Xmax4 mm −65%

Sensitivity95.7 dB +9.4

Sica12 C 2 CP

No current price

Fs58 Hz +109%

Qts0.45 −6%

Vas74.3 L +22%

BL13.7 T·m −6%

Xmax4.5 mm −61%

Sensitivity96.8 dB +10.5

LavoceFBASS12-20

No current price

Fs53 Hz +89%

Qts0.46 −4%

Vas75.4 L +24%

BL13.3 T·m −9%

Xmax4.3 mm −63%

Sensitivity95.5 dB +9.2

WavecorSW312WA05

No current price

Fs29 Hz +4%

Qts0.57 +19%

Vas61 L –

BL18.4 T·m +27%

Xmax11.5 mm –

Sensitivity86 dB –

CelestionFTR12-2565D

No current price

Fs60 Hz +115%

Qts0.42 −13%

Vas49.1 L −19%

BL15.4 T·m +7%

Xmax4 mm −65%

Sensitivity95.3 dB +9

Acoustic EleganceSBP12-8

No current price

Fs24 Hz −16%

Qts0.48 –

Vas160 L +162%

BL13.1 T·m −10%

Xmax14 mm +22%

Sensitivity87.9 dB +1.6

JensenC12K-2-8

No current price

Fs79 Hz +182%

Qts0.47 –

Vas43.1 L −29%

BL14.7 T·m –

Xmax1 mm −91%

Sensitivity97.4 dB +11.1

JensenBS12N250A-8

No current price

Fs47 Hz +68%

Qts0.43 −10%

Vas81.3 L +33%

BL14.4 T·m –

Xmax5.5 mm −52%

Sensitivity94.8 dB +8.5

EminenceSWAMP THANG

No current price

Fs97 Hz +246%

Qts0.53 +10%

Vas41.3 L −32%

BL14.2 T·m –

Xmax0.8 mm −93%

Sensitivity100.4 dB +14.1

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
Lautsprechershop Checked 21 Oct 2026 · Ships from Germany · 4 Ω · Source: inc VAT · 19% Import VAT and duty may apply	£429.80		Out of stock	Visit shop at Lautsprechershop