7-inch LF driver · WF182BD series · 39 mm voice coil

Wavecor WF182BD17 4Ω

Name: Wavecor WF182BD17 4 Ohm
Brand: Wavecor
SKU: WF182BD17
Availability: InStock

4 Ω

£121.93

Steady

Parts Express · 9 in stock · Ships from United States · All 2 offers

Open in 00 Simulator

Fs: 33Hz
Xmax: 5.5mm
SPL: 86dB
Pe: –
BL: 6.5T·m
Vd: 72cm³
Qts: 0.35
Vas: 24L

See all 18 specs

Specifications

Published by Wavecor

Manufacturer page

Datasheet PDF

Wavecor WF182BD17 is a 7-inch 4 ohm LF driver. The validated T/S data includes Fs 33 Hz, Qts 0.35, Vas 24.3 L, Xmax 5.5 mm, sensitivity 85.8 dB, plus 72 cm³ Vd and 89 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £121.93.

The published T/S values agree with each other

Thiele/Small

Fs: 33Hz
Qts: 0.35
Qes: 0.37
Qms: 10.9
Vas: 24.3L
Re: 3.2Ω

Motor and cone

BL: 6.5T·m
Sd: 131cm²
Mms: 23g
Xmax: 5.5mm
Vd †: 72cm³
Voice coil: 39mm

Power and response

Sensitivity †: 85.8dB
Impedance: 4Ω
EBP †: 89 · Sealed or vented

Size and mounting

Diameter: 177.8mm

Other published values

Cms: 1mm/N
Rms: 0.44kg/s

† Calculated by bits from the published values

What this validation status means

Everything else Wavecor lists

LF · Primary · 7″

BL: 6.5T·m
Fs: 33Hz
Re: 3.2Ω
Sd: 131cm²
Cms: 1mm/N
Mms: 23g
Qes: 0.37
Qms: 10.9
Qts: 0.35
Rms: 0.44kg/s
SPL: 85.8dB
Vas: 24.3L
Xmax: 5.5mm
Impedance: 4Ω
Calculated sensitivity †: 85.8dB
Voice coil: 39mm
Diameter: 177.8mm

Compare

Same-size drivers, compared with the WF182BD17. Clear differences are green when better and red when worse.

This driverWF182BD17

Best price

£121.93

33 Hz

Qts

0.35

Vas

24.3 L

6.5 T·m

Xmax

5.5 mm

Sensitivity

85.8 dB

Power

–

SB AcousticsSB20PFCR30-4

£31.27 · 74% less

Fs34 Hz +3%

Qts0.33 −6%

Vas66.2 L +172%

BL6.6 T·m –

Xmax5.8 mm +5%

Sensitivity90.5 dB +4.7

SB AcousticsSB20PFC30-4

£35.17 · 71% less

Fs34 Hz –

Qts0.33 −6%

Vas66.2 L +172%

BL6.6 T·m –

Xmax5.8 mm +5%

Sensitivity90.4 dB +4.6

Dayton AudioSIG180-4

£41.13 · 66% less

Fs41 Hz +23%

Qts0.38 +9%

Vas23.2 L −5%

BL6.6 T·m –

Xmax5 mm −9%

Sensitivity87.8 dB +2

CIAREHW162

£47.73 · 61% less

Fs44 Hz +33%

Qts0.33 −6%

Vas24.8 L –

BL7.5 T·m +15%

Xmax4.5 mm −18%

Sensitivity89.4 dB +3.6

SB AcousticsSB17NRX2C35-4

£55.41 · 55% less

Fs36 Hz +9%

Qts0.37 +6%

Vas27.6 L +14%

BL4.9 T·m −25%

Xmax5.5 mm –

Sensitivity87 dB +1.2

SB AcousticsSB17NRXC35-8

£58.60 · 52% less

Fs32 Hz −3%

Qts0.34 –

Vas44.5 L +83%

BL5.9 T·m −9%

Xmax5.5 mm –

Sensitivity88.1 dB +2.3

MonacorSPH-176

£58.80 · 52% less

Fs39 Hz +18%

Qts0.37 +6%

Vas27 L +11%

BL7.7 T·m +18%

Xmax5.5 mm –

Sensitivity87.6 dB +1.8

Dayton AudioRS180P-8

£59.83 · 51% less

Fs46 Hz +39%

Qts0.34 –

Vas22 L −9%

BL7.2 T·m +10%

Xmax6 mm +9%

Sensitivity88.8 dB +3

SB AcousticsSB17NBAC35-8

£65.93 · 46% less

Fs32 Hz −5%

Qts0.35 –

Vas45 L +85%

BL5.9 T·m −9%

Xmax5.5 mm –

Sensitivity87.7 dB +1.9

CIAREHWB160

£66.98 · 45% less

Fs46 Hz +39%

Qts0.36 –

Vas19.5 L −20%

BL6.5 T·m –

Xmax4.5 mm −18%

Sensitivity89 dB +3.2

Scanspeak18W/4434G00

£72.01 · 41% less

Fs47 Hz +42%

Qts0.35 –

Vas20.7 L −15%

BL6 T·m −8%

Xmax4.3 mm −22%

Sensitivity89.7 dB +3.9

SB AcousticsSB17CRC35-8

£85.53 · 30% less

Fs28 Hz −15%

Qts0.34 –

Vas48 L +98%

BL6 T·m −8%

Xmax5.5 mm –

Sensitivity86.6 dB +0.8

Dayton AudioPS180-8

£89.75 · 26% less

Fs59 Hz +77%

Qts0.33 −6%

Vas27.6 L +14%

BL6.8 T·m +5%

Xmax4.6 mm −16%

Sensitivity93.9 dB +8.1

SEASH1571-08 U18RNX/P

£125.61 · 3% more

Fs43 Hz +30%

Qts0.37 +6%

Vas22 L −9%

BL6.9 T·m +6%

Xmax6 mm +9%

Sensitivity87.9 dB +2.1

Scanspeak18W/8542-10

£157.04 · 29% more

Fs43 Hz +30%

Qts0.35 –

Vas26 L +7%

BL6.9 T·m +6%

Xmax6.5 mm +18%

Sensitivity88.7 dB +2.9

WavecorWF182BD03

£190.66 · 56% more

Fs39 Hz +18%

Qts0.29 −17%

Vas24.4 L –

BL6.8 T·m +4%

Xmax5.5 mm –

Sensitivity88.9 dB +3.1

Eighteen Sound8CX401F

£199.68 · 64% more

Fs56 Hz +70%

Qts0.34 –

Vas23.9 L –

BL9.3 T·m +43%

Xmax5.8 mm +5%

Sensitivity92.5 dB +6.7

AccutonC158-8-085

£326.51 · 168% more

Fs37 Hz +12%

Qts0.36 –

Vas27.3 L +12%

BL7.7 T·m +18%

Xmax5 mm −9%

Sensitivity87.5 dB +1.7

WavecorWF182BD09

No current price

Fs33 Hz –

Qts0.35 –

Vas24.3 L –

BL6.5 T·m –

Xmax5.5 mm –

Sensitivity85.8 dB –

HiViS6.5R

No current price

Fs41 Hz +24%

Qts0.38 +9%

Vas23.2 L −5%

BL6.5 T·m –

Xmax5.8 mm +5%

Sensitivity87.8 dB +2

WavecorWF182BD07

No current price

Fs40 Hz +21%

Qts0.34 –

Vas24.4 L –

BL8.5 T·m +31%

Xmax5.5 mm –

Sensitivity88.5 dB +2.7

KartesianLOM155_VKI

No current price

Fs48 Hz +45%

Qts0.33 −6%

Vas16.6 L −32%

BL6.3 T·m –

Xmax6 mm +9%

Sensitivity89.1 dB +3.3

RS SpeakersW 174.38 FIBONACCI

No current price

Fs38 Hz +14%

Qts0.38 +9%

Vas22.9 L −6%

BL7.2 T·m +11%

Xmax6 mm +9%

Sensitivity87 dB +1.2

HiViSS6.5R

No current price

Fs42 Hz +27%

Qts0.39 +11%

Vas21.6 L −11%

BL6.5 T·m –

Xmax5.8 mm +5%

Sensitivity87.7 dB +1.9

CIARECW169

No current price

Fs46 Hz +39%

Qts0.32 −9%

Vas21.2 L −13%

BL5.9 T·m −9%

Xmax5 mm −9%

Sensitivity89.3 dB +3.5

HiViSS6.5

No current price

Fs42 Hz +27%

Qts0.39 +11%

Vas24.8 L –

BL6.4 T·m –

Xmax5.8 mm +5%

Sensitivity88.1 dB +2.3

PurifiPTT6.5W08-NAA-08

No current price

Fs35 Hz +6%

Qts0.35 –

Vas23.8 L –

BL9.4 T·m +45%

Xmax5.9 mm +7%

Sensitivity86.4 dB +0.6

WavecorWF182BD10

No current price

Fs29 Hz −14%

Qts0.31 −11%

Vas32.4 L +33%

BL6.5 T·m –

Xmax5.5 mm –

Sensitivity85.7 dB –

WavecorWF182BD18

No current price

Fs29 Hz −14%

Qts0.31 −11%

Vas32.4 L +33%

BL6.5 T·m –

Xmax5.5 mm –

Sensitivity85.7 dB –

HiViS6N

No current price

Fs45 Hz +36%

Qts0.35 –

Vas23.4 L −4%

BL7.6 T·m +17%

Xmax4.3 mm −22%

Sensitivity89.4 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
Parts Express Checked 26 Oct 2026 · Ships from United States · 4 Ω · Source: ex VAT Import VAT and duty may apply	£121.93, the lowest price		9 in stock	Visit shop at Parts Express
Lautsprechershop Checked 26 Oct 2026 · Ships from Germany · 4 Ω · Source: inc VAT · 19% Import VAT and duty may apply	£188.39	55% above the lowest price	Stock not listed	Visit shop at Lautsprechershop

Best price over time

Tracked since 31 Jul

bits00 AUDIO

7-inch LF driver · WF182BD series · 39 mm voice coil

Wavecor WF182BD17 4Ω

4 Ω

£121.93

Steady

Parts Express · 9 in stock · Ships from United States · All 2 offers

Open in 00 Simulator

Fs: 33Hz
Xmax: 5.5mm
SPL: 86dB
Pe: –
BL: 6.5T·m
Vd: 72cm³
Qts: 0.35
Vas: 24L

See all 18 specs

Specifications

Published by Wavecor

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 33Hz
Qts: 0.35
Qes: 0.37
Qms: 10.9
Vas: 24.3L
Re: 3.2Ω

Motor and cone

BL: 6.5T·m
Sd: 131cm²
Mms: 23g
Xmax: 5.5mm
Vd †: 72cm³
Voice coil: 39mm

Power and response

Sensitivity †: 85.8dB
Impedance: 4Ω
EBP †: 89 · Sealed or vented

Size and mounting

Diameter: 177.8mm

Other published values

Cms: 1mm/N
Rms: 0.44kg/s

† Calculated by bits from the published values

What this validation status means

Everything else Wavecor lists

LF · Primary · 7″

BL: 6.5T·m
Fs: 33Hz
Re: 3.2Ω
Sd: 131cm²
Cms: 1mm/N
Mms: 23g
Qes: 0.37
Qms: 10.9
Qts: 0.35
Rms: 0.44kg/s
SPL: 85.8dB
Vas: 24.3L
Xmax: 5.5mm
Impedance: 4Ω
Calculated sensitivity †: 85.8dB
Voice coil: 39mm
Diameter: 177.8mm

Compare

Same-size drivers, compared with the WF182BD17. Clear differences are green when better and red when worse.

This driverWF182BD17

Best price

£121.93

33 Hz

Qts

0.35

Vas

24.3 L

6.5 T·m

Xmax

5.5 mm

Sensitivity

85.8 dB

Power

–

SB AcousticsSB20PFCR30-4

£31.27 · 74% less

Fs34 Hz +3%

Qts0.33 −6%

Vas66.2 L +172%

BL6.6 T·m –

Xmax5.8 mm +5%

Sensitivity90.5 dB +4.7

SB AcousticsSB20PFC30-4

£35.17 · 71% less

Fs34 Hz –

Qts0.33 −6%

Vas66.2 L +172%

BL6.6 T·m –

Xmax5.8 mm +5%

Sensitivity90.4 dB +4.6

Dayton AudioSIG180-4

£41.13 · 66% less

Fs41 Hz +23%

Qts0.38 +9%

Vas23.2 L −5%

BL6.6 T·m –

Xmax5 mm −9%

Sensitivity87.8 dB +2

CIAREHW162

£47.73 · 61% less

Fs44 Hz +33%

Qts0.33 −6%

Vas24.8 L –

BL7.5 T·m +15%

Xmax4.5 mm −18%

Sensitivity89.4 dB +3.6

SB AcousticsSB17NRX2C35-4

£55.41 · 55% less

Fs36 Hz +9%

Qts0.37 +6%

Vas27.6 L +14%

BL4.9 T·m −25%

Xmax5.5 mm –

Sensitivity87 dB +1.2

SB AcousticsSB17NRXC35-8

£58.60 · 52% less

Fs32 Hz −3%

Qts0.34 –

Vas44.5 L +83%

BL5.9 T·m −9%

Xmax5.5 mm –

Sensitivity88.1 dB +2.3

MonacorSPH-176

£58.80 · 52% less

Fs39 Hz +18%

Qts0.37 +6%

Vas27 L +11%

BL7.7 T·m +18%

Xmax5.5 mm –

Sensitivity87.6 dB +1.8

Dayton AudioRS180P-8

£59.83 · 51% less

Fs46 Hz +39%

Qts0.34 –

Vas22 L −9%

BL7.2 T·m +10%

Xmax6 mm +9%

Sensitivity88.8 dB +3

SB AcousticsSB17NBAC35-8

£65.93 · 46% less

Fs32 Hz −5%

Qts0.35 –

Vas45 L +85%

BL5.9 T·m −9%

Xmax5.5 mm –

Sensitivity87.7 dB +1.9

CIAREHWB160

£66.98 · 45% less

Fs46 Hz +39%

Qts0.36 –

Vas19.5 L −20%

BL6.5 T·m –

Xmax4.5 mm −18%

Sensitivity89 dB +3.2

Scanspeak18W/4434G00

£72.01 · 41% less

Fs47 Hz +42%

Qts0.35 –

Vas20.7 L −15%

BL6 T·m −8%

Xmax4.3 mm −22%

Sensitivity89.7 dB +3.9

SB AcousticsSB17CRC35-8

£85.53 · 30% less

Fs28 Hz −15%

Qts0.34 –

Vas48 L +98%

BL6 T·m −8%

Xmax5.5 mm –

Sensitivity86.6 dB +0.8

Dayton AudioPS180-8

£89.75 · 26% less

Fs59 Hz +77%

Qts0.33 −6%

Vas27.6 L +14%

BL6.8 T·m +5%

Xmax4.6 mm −16%

Sensitivity93.9 dB +8.1

SEASH1571-08 U18RNX/P

£125.61 · 3% more

Fs43 Hz +30%

Qts0.37 +6%

Vas22 L −9%

BL6.9 T·m +6%

Xmax6 mm +9%

Sensitivity87.9 dB +2.1

Scanspeak18W/8542-10

£157.04 · 29% more

Fs43 Hz +30%

Qts0.35 –

Vas26 L +7%

BL6.9 T·m +6%

Xmax6.5 mm +18%

Sensitivity88.7 dB +2.9

WavecorWF182BD03

£190.66 · 56% more

Fs39 Hz +18%

Qts0.29 −17%

Vas24.4 L –

BL6.8 T·m +4%

Xmax5.5 mm –

Sensitivity88.9 dB +3.1

Eighteen Sound8CX401F

£199.68 · 64% more

Fs56 Hz +70%

Qts0.34 –

Vas23.9 L –

BL9.3 T·m +43%

Xmax5.8 mm +5%

Sensitivity92.5 dB +6.7

AccutonC158-8-085

£326.51 · 168% more

Fs37 Hz +12%

Qts0.36 –

Vas27.3 L +12%

BL7.7 T·m +18%

Xmax5 mm −9%

Sensitivity87.5 dB +1.7

WavecorWF182BD09

No current price

Fs33 Hz –

Qts0.35 –

Vas24.3 L –

BL6.5 T·m –

Xmax5.5 mm –

Sensitivity85.8 dB –

HiViS6.5R

No current price

Fs41 Hz +24%

Qts0.38 +9%

Vas23.2 L −5%

BL6.5 T·m –

Xmax5.8 mm +5%

Sensitivity87.8 dB +2

WavecorWF182BD07

No current price

Fs40 Hz +21%

Qts0.34 –

Vas24.4 L –

BL8.5 T·m +31%

Xmax5.5 mm –

Sensitivity88.5 dB +2.7

KartesianLOM155_VKI

No current price

Fs48 Hz +45%

Qts0.33 −6%

Vas16.6 L −32%

BL6.3 T·m –

Xmax6 mm +9%

Sensitivity89.1 dB +3.3

RS SpeakersW 174.38 FIBONACCI

No current price

Fs38 Hz +14%

Qts0.38 +9%

Vas22.9 L −6%

BL7.2 T·m +11%

Xmax6 mm +9%

Sensitivity87 dB +1.2

HiViSS6.5R

No current price

Fs42 Hz +27%

Qts0.39 +11%

Vas21.6 L −11%

BL6.5 T·m –

Xmax5.8 mm +5%

Sensitivity87.7 dB +1.9

CIARECW169

No current price

Fs46 Hz +39%

Qts0.32 −9%

Vas21.2 L −13%

BL5.9 T·m −9%

Xmax5 mm −9%

Sensitivity89.3 dB +3.5

HiViSS6.5

No current price

Fs42 Hz +27%

Qts0.39 +11%

Vas24.8 L –

BL6.4 T·m –

Xmax5.8 mm +5%

Sensitivity88.1 dB +2.3

PurifiPTT6.5W08-NAA-08

No current price

Fs35 Hz +6%

Qts0.35 –

Vas23.8 L –

BL9.4 T·m +45%

Xmax5.9 mm +7%

Sensitivity86.4 dB +0.6

WavecorWF182BD10

No current price

Fs29 Hz −14%

Qts0.31 −11%

Vas32.4 L +33%

BL6.5 T·m –

Xmax5.5 mm –

Sensitivity85.7 dB –

WavecorWF182BD18

No current price

Fs29 Hz −14%

Qts0.31 −11%

Vas32.4 L +33%

BL6.5 T·m –

Xmax5.5 mm –

Sensitivity85.7 dB –

HiViS6N

No current price

Fs45 Hz +36%

Qts0.35 –

Vas23.4 L −4%

BL7.6 T·m +17%

Xmax4.3 mm −22%

Sensitivity89.4 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
Parts Express Checked 26 Oct 2026 · Ships from United States · 4 Ω · Source: ex VAT Import VAT and duty may apply	£121.93, the lowest price		9 in stock	Visit shop at Parts Express
Lautsprechershop Checked 26 Oct 2026 · Ships from Germany · 4 Ω · Source: inc VAT · 19% Import VAT and duty may apply	£188.39	55% above the lowest price	Stock not listed	Visit shop at Lautsprechershop

Best price over time

Tracked since 31 Jul