18-inch LF driver · 1,200 W

Dayton Audio 18SW1200N-8 8Ω

Name: Dayton Audio 18SW1200N-8 8 Ohm
Brand: Dayton Audio
SKU: 18SW1200N-8
Availability: InStock

8 Ω · 35–1000 Hz

£307.62

40%

SoundImports · 8 in stock · All 1 offer

Open in 00 Simulator

Fs: 32Hz
Xmax: 9.1mm
SPL: 96dB
Pe: 1200W
BL: 27.6T·m
Vd: 1092cm³
Qts: 0.33
Vas: 254L

See all 24 specs

Curve provenanceInspect 5 traces

These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works

15 degrees
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence713 selected pixels of 1,094
Manufacturer datasheet, page 1
30 degrees
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence479 selected pixels of 842
Manufacturer datasheet, page 1
45 degrees
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence812 selected pixels of 1,098
Manufacturer datasheet, page 1
on-axis
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence1,361 selected pixels of 1,361
Manufacturer datasheet, page 1
impedance
Impedance response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence1,142 selected pixels of 2,411
Manufacturer datasheet, page 1

Specifications

Published by Dayton Audio

Manufacturer page

Datasheet PDF

Dayton Audio 18SW1200N-8 is an 18-inch 8 ohm LF driver rated at 1200 W RMS. The validated T/S data includes Fs 32 Hz, Qts 0.33, Vas 253.6 L, Xmax 9.1 mm, sensitivity 95.8 dB, plus 1092 cm³ Vd and 91 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £307.62.

The published T/S values agree with each other

Thiele/Small

Fs: 32Hz
Qts: 0.33
Qes: 0.35
Qms: 10.0
Vas: 253.6L
Re: 6.1Ω
Le: 0.61mH

Motor and cone

BL: 27.6T·m
Sd: 1200cm²
Mms: 218g
Xmax: 9.1mm
Vd †: 1092cm³

Power and response

Sensitivity †: 95.8dB
Manufacturer sensitivity: 97dB
Power: 1200W
Impedance: 8Ω
Range: 35–1000Hz
EBP †: 91 · Sealed or vented

Size and mounting

Diameter: 462mm
Cutout: 414mm
Depth: 183.5mm
Weight: 8.0kg

Other published values

Cms: 0.11mm/N
Power Peak: 2400

Sensitivity shows 95.8 dB, calculated from the T/S values. Dayton Audio publishes 97.0 dB, 1.2 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Dayton Audio lists

LF · Primary · 18″

BL: 27.6T·m
Fs: 32Hz
Le: 0.61mH
Re: 6.1Ω
Sd: 1200cm²
Cms: 0.11mm/N
Mms: 218g
Qes: 0.35
Qms: 10.0
Qts: 0.33
SPL: 95.8dB
Vas: 253.6L
Xmax: 9.1mm
Power: 1200W
Impedance: 8Ω
Power Peak: 2400
Sensitivity: 97dB
Low limit: 35Hz
Calculated sensitivity †: 95.8dB
High limit: 1000Hz
Manufacturer sensitivity: 97dB
Weight: 8.0kg
Diameter: 462mm
Depth: 183.5mm
Cutout: 414mm

Compare

Same-size drivers, compared with the 18SW1200N-8. Clear differences are green when better and red when worse.

This driver18SW1200N-8

Best price

£307.62

32 Hz

Qts

0.33

Vas

253.6 L

27.6 T·m

Xmax

9.1 mm

Sensitivity

95.8 dB

Power

1200 W

RCFL18P300

£225.00 · 27% less

Fs33 Hz +3%

Qts0.33 –

Vas226 L −11%

BL23.5 T·m −15%

Xmax8 mm −12%

Sensitivity95.8 dB –

B&C18PZW100

£225.62 · 27% less

Fs37 Hz +16%

Qts0.36 +9%

Vas186 L −27%

BL25.5 T·m −8%

Xmax8 mm −12%

Sensitivity96 dB –

B&C18TBX100

£237.59 · 23% less

Fs34 Hz +6%

Qts0.35 +6%

Vas212 L −16%

BL25.5 T·m −8%

Xmax9 mm –

Sensitivity95.6 dB –

Beyma18P1000FEV2S

£249.00 · 19% less

Fs33 Hz +3%

Qts0.32 −3%

Vas230 L −9%

BL26.8 T·m –

Xmax8 mm −12%

Sensitivity96 dB –

RCFLF18G401

£252.42 · 18% less

Fs33 Hz +3%

Qts0.29 −12%

Vas268 L +6%

BL24.6 T·m −11%

Xmax9 mm –

Sensitivity97.1 dB +1.3

B&C18NW100

£268.36 · 13% less

Fs31 Hz −3%

Qts0.26 −21%

Vas252 L –

BL28 T·m –

Xmax9 mm –

Sensitivity96.5 dB +0.7

FaitalPRO18HP1022

£271.77 · 12% less

Fs35 Hz +9%

Qts0.30 −9%

Vas204.9 L −19%

BL28 T·m –

Xmax9.5 mm +4%

Sensitivity96.6 dB +0.8

Eighteen Sound18LW2400

£272.63 · 11% less

Fs35 Hz +9%

Qts0.31 −6%

Vas230 L −9%

BL25.6 T·m −7%

Xmax9.5 mm +4%

Sensitivity96.9 dB +1.1

Eighteen Sound18LW2420

£279.00 · 9% less

Fs32 Hz –

Qts0.33 –

Vas252 L –

BL25.3 T·m −8%

Xmax10 mm +10%

Sensitivity95.8 dB –

Beyma18LEX1200ND

£285.57 · 7% less

Fs36 Hz +13%

Qts0.33 –

Vas219 L −14%

BL26.4 T·m −4%

Xmax11 mm +21%

Sensitivity96.7 dB +0.9

FaneCOLOSSUS 18SB

£287.00 · 7% less

Fs36 Hz +13%

Qts0.35 +5%

Vas199 L −22%

BL24 T·m −13%

Xmax8.3 mm −9%

Sensitivity96.1 dB –

Eighteen Sound18LW1400

£288.50 · 6% less

Fs31 Hz −3%

Qts0.29 −12%

Vas297 L +17%

BL24.7 T·m −10%

Xmax9 mm –

Sensitivity96.6 dB +0.8

CIARENDH18-4S

£291.62 · 5% less

Fs31 Hz −3%

Qts0.32 −3%

Vas239 L −6%

BL27.7 T·m –

Xmax11.5 mm +26%

Sensitivity95.4 dB –

BMS18S430V2

£316.72 · 3% more

Fs31 Hz −3%

Qts0.34 +3%

Vas262 L +3%

BL23.5 T·m −15%

Xmax8 mm −12%

Sensitivity95.4 dB –

RCFLF18N405

£325.54 · 6% more

Fs30 Hz −6%

Qts0.32 −3%

Vas227 L −10%

BL26.5 T·m −4%

Xmax14 mm +54%

Sensitivity94.6 dB −1.2

RCFLF18N401

£369.00 · 20% more

Fs32 Hz –

Qts0.26 −21%

Vas257 L –

BL27.8 T·m –

Xmax9 mm –

Sensitivity97 dB +1.2

BMS18N850V2

£457.13 · 49% more

Fs30 Hz −7%

Qts0.33 –

Vas243 L −4%

BL25.4 T·m −8%

Xmax12 mm +32%

Sensitivity94.7 dB −1.1

Sica18 K 4 PL

£457.18 · 49% more

Fs37 Hz +15%

Qts0.32 −3%

Vas201 L −21%

BL26.8 T·m –

Xmax6.5 mm −29%

Sensitivity96.6 dB +0.8

FaneCOLOSSUS 18XB

No current price

Fs33 Hz +3%

Qts0.34 –

Vas236 L −7%

BL25.9 T·m −6%

Xmax7.5 mm −18%

Sensitivity95.8 dB –

Oberton18NXB700

No current price

Fs36 Hz +13%

Qts0.31 −5%

Vas155.5 L −39%

BL27.8 T·m –

Xmax9 mm –

Sensitivity95.6 dB –

Precision DevicesPD.184C002

No current price

Fs40 Hz +25%

Qts0.34 +3%

Vas268 L +6%

BL21 T·m −24%

Xmax9.7 mm +7%

Sensitivity98.8 dB +3

Oberton18XB700

No current price

Fs36 Hz +13%

Qts0.30 −8%

Vas183.2 L −28%

BL26.1 T·m −5%

Xmax9 mm –

Sensitivity96.4 dB +0.6

RCFLF18G908

No current price

Fs33 Hz +3%

Qts0.29 −12%

Vas268 L +6%

BL24.6 T·m −11%

Xmax9 mm –

Sensitivity97.1 dB +1.3

REDCATT186FIND

No current price

Fs33 Hz +3%

Qts0.35 +6%

Vas174.2 L −31%

BL30.2 T·m +10%

Xmax8.4 mm −8%

Sensitivity94.4 dB −1.4

Sica18 PFS 4

No current price

Fs29 Hz −10%

Qts0.37 +12%

Vas245.9 L −3%

BL24.6 T·m −11%

Xmax9.5 mm +4%

Sensitivity93.5 dB −2.3

Eighteen Sound18W1300

No current price

Fs35 Hz +9%

Qts0.33 –

Vas336 L +32%

BL20.4 T·m −26%

Xmax8.5 mm −7%

Sensitivity98.2 dB +2.4

Oberton18XB1201

No current price

Fs38 Hz +19%

Qts0.32 −4%

Vas159.4 L −37%

BL26.7 T·m −3%

Xmax10.5 mm +15%

Sensitivity96.3 dB +0.5

Oberton18B450

No current price

Fs34 Hz +7%

Qts0.34 +4%

Vas241.6 L −5%

BL22.1 T·m −20%

Xmax7.3 mm −20%

Sensitivity96.4 dB +0.6

Oberton18B35

No current price

Fs32 Hz –

Qts0.32 –

Vas333.6 L +32%

BL19.3 T·m −30%

Xmax9 mm –

Sensitivity97 dB +1.2

RCFLF18N408

No current price

Fs30 Hz −6%

Qts0.33 –

Vas193 L −24%

BL25.7 T·m −7%

Xmax15 mm +65%

Sensitivity93.6 dB −2.2

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

UK shops, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
SoundImports Checked 1 Oct 2026 · 8 Ω · Source: inc VAT	£307.62, the lowest price		8 in stock	Visit shop at SoundImports

Best price over time

Tracked since 1 Apr

Recent changes

13 SepSoundImports£516.58 → £307.62Down 40% from £516.58

bits00 AUDIO

18-inch LF driver · 1,200 W

Dayton Audio 18SW1200N-8 8Ω

8 Ω · 35–1000 Hz

£307.62

40%

SoundImports · 8 in stock · All 1 offer

Open in 00 Simulator

Fs: 32Hz
Xmax: 9.1mm
SPL: 96dB
Pe: 1200W
BL: 27.6T·m
Vd: 1092cm³
Qts: 0.33
Vas: 254L

See all 24 specs

Curve provenanceInspect 5 traces

These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works

15 degrees
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence713 selected pixels of 1,094
Manufacturer datasheet, page 1
30 degrees
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence479 selected pixels of 842
Manufacturer datasheet, page 1
45 degrees
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence812 selected pixels of 1,098
Manufacturer datasheet, page 1
on-axis
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence1,361 selected pixels of 1,361
Manufacturer datasheet, page 1
impedance
Impedance response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence1,142 selected pixels of 2,411
Manufacturer datasheet, page 1

Specifications

Published by Dayton Audio

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 32Hz
Qts: 0.33
Qes: 0.35
Qms: 10.0
Vas: 253.6L
Re: 6.1Ω
Le: 0.61mH

Motor and cone

BL: 27.6T·m
Sd: 1200cm²
Mms: 218g
Xmax: 9.1mm
Vd †: 1092cm³

Power and response

Sensitivity †: 95.8dB
Manufacturer sensitivity: 97dB
Power: 1200W
Impedance: 8Ω
Range: 35–1000Hz
EBP †: 91 · Sealed or vented

Size and mounting

Diameter: 462mm
Cutout: 414mm
Depth: 183.5mm
Weight: 8.0kg

Other published values

Cms: 0.11mm/N
Power Peak: 2400

Sensitivity shows 95.8 dB, calculated from the T/S values. Dayton Audio publishes 97.0 dB, 1.2 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Dayton Audio lists

LF · Primary · 18″

BL: 27.6T·m
Fs: 32Hz
Le: 0.61mH
Re: 6.1Ω
Sd: 1200cm²
Cms: 0.11mm/N
Mms: 218g
Qes: 0.35
Qms: 10.0
Qts: 0.33
SPL: 95.8dB
Vas: 253.6L
Xmax: 9.1mm
Power: 1200W
Impedance: 8Ω
Power Peak: 2400
Sensitivity: 97dB
Low limit: 35Hz
Calculated sensitivity †: 95.8dB
High limit: 1000Hz
Manufacturer sensitivity: 97dB
Weight: 8.0kg
Diameter: 462mm
Depth: 183.5mm
Cutout: 414mm

Compare

Same-size drivers, compared with the 18SW1200N-8. Clear differences are green when better and red when worse.

This driver18SW1200N-8

Best price

£307.62

32 Hz

Qts

0.33

Vas

253.6 L

27.6 T·m

Xmax

9.1 mm

Sensitivity

95.8 dB

Power

1200 W

RCFL18P300

£225.00 · 27% less

Fs33 Hz +3%

Qts0.33 –

Vas226 L −11%

BL23.5 T·m −15%

Xmax8 mm −12%

Sensitivity95.8 dB –

B&C18PZW100

£225.62 · 27% less

Fs37 Hz +16%

Qts0.36 +9%

Vas186 L −27%

BL25.5 T·m −8%

Xmax8 mm −12%

Sensitivity96 dB –

B&C18TBX100

£237.59 · 23% less

Fs34 Hz +6%

Qts0.35 +6%

Vas212 L −16%

BL25.5 T·m −8%

Xmax9 mm –

Sensitivity95.6 dB –

Beyma18P1000FEV2S

£249.00 · 19% less

Fs33 Hz +3%

Qts0.32 −3%

Vas230 L −9%

BL26.8 T·m –

Xmax8 mm −12%

Sensitivity96 dB –

RCFLF18G401

£252.42 · 18% less

Fs33 Hz +3%

Qts0.29 −12%

Vas268 L +6%

BL24.6 T·m −11%

Xmax9 mm –

Sensitivity97.1 dB +1.3

B&C18NW100

£268.36 · 13% less

Fs31 Hz −3%

Qts0.26 −21%

Vas252 L –

BL28 T·m –

Xmax9 mm –

Sensitivity96.5 dB +0.7

FaitalPRO18HP1022

£271.77 · 12% less

Fs35 Hz +9%

Qts0.30 −9%

Vas204.9 L −19%

BL28 T·m –

Xmax9.5 mm +4%

Sensitivity96.6 dB +0.8

Eighteen Sound18LW2400

£272.63 · 11% less

Fs35 Hz +9%

Qts0.31 −6%

Vas230 L −9%

BL25.6 T·m −7%

Xmax9.5 mm +4%

Sensitivity96.9 dB +1.1

Eighteen Sound18LW2420

£279.00 · 9% less

Fs32 Hz –

Qts0.33 –

Vas252 L –

BL25.3 T·m −8%

Xmax10 mm +10%

Sensitivity95.8 dB –

Beyma18LEX1200ND

£285.57 · 7% less

Fs36 Hz +13%

Qts0.33 –

Vas219 L −14%

BL26.4 T·m −4%

Xmax11 mm +21%

Sensitivity96.7 dB +0.9

FaneCOLOSSUS 18SB

£287.00 · 7% less

Fs36 Hz +13%

Qts0.35 +5%

Vas199 L −22%

BL24 T·m −13%

Xmax8.3 mm −9%

Sensitivity96.1 dB –

Eighteen Sound18LW1400

£288.50 · 6% less

Fs31 Hz −3%

Qts0.29 −12%

Vas297 L +17%

BL24.7 T·m −10%

Xmax9 mm –

Sensitivity96.6 dB +0.8

CIARENDH18-4S

£291.62 · 5% less

Fs31 Hz −3%

Qts0.32 −3%

Vas239 L −6%

BL27.7 T·m –

Xmax11.5 mm +26%

Sensitivity95.4 dB –

BMS18S430V2

£316.72 · 3% more

Fs31 Hz −3%

Qts0.34 +3%

Vas262 L +3%

BL23.5 T·m −15%

Xmax8 mm −12%

Sensitivity95.4 dB –

RCFLF18N405

£325.54 · 6% more

Fs30 Hz −6%

Qts0.32 −3%

Vas227 L −10%

BL26.5 T·m −4%

Xmax14 mm +54%

Sensitivity94.6 dB −1.2

RCFLF18N401

£369.00 · 20% more

Fs32 Hz –

Qts0.26 −21%

Vas257 L –

BL27.8 T·m –

Xmax9 mm –

Sensitivity97 dB +1.2

BMS18N850V2

£457.13 · 49% more

Fs30 Hz −7%

Qts0.33 –

Vas243 L −4%

BL25.4 T·m −8%

Xmax12 mm +32%

Sensitivity94.7 dB −1.1

Sica18 K 4 PL

£457.18 · 49% more

Fs37 Hz +15%

Qts0.32 −3%

Vas201 L −21%

BL26.8 T·m –

Xmax6.5 mm −29%

Sensitivity96.6 dB +0.8

FaneCOLOSSUS 18XB

No current price

Fs33 Hz +3%

Qts0.34 –

Vas236 L −7%

BL25.9 T·m −6%

Xmax7.5 mm −18%

Sensitivity95.8 dB –

Oberton18NXB700

No current price

Fs36 Hz +13%

Qts0.31 −5%

Vas155.5 L −39%

BL27.8 T·m –

Xmax9 mm –

Sensitivity95.6 dB –

Precision DevicesPD.184C002

No current price

Fs40 Hz +25%

Qts0.34 +3%

Vas268 L +6%

BL21 T·m −24%

Xmax9.7 mm +7%

Sensitivity98.8 dB +3

Oberton18XB700

No current price

Fs36 Hz +13%

Qts0.30 −8%

Vas183.2 L −28%

BL26.1 T·m −5%

Xmax9 mm –

Sensitivity96.4 dB +0.6

RCFLF18G908

No current price

Fs33 Hz +3%

Qts0.29 −12%

Vas268 L +6%

BL24.6 T·m −11%

Xmax9 mm –

Sensitivity97.1 dB +1.3

REDCATT186FIND

No current price

Fs33 Hz +3%

Qts0.35 +6%

Vas174.2 L −31%

BL30.2 T·m +10%

Xmax8.4 mm −8%

Sensitivity94.4 dB −1.4

Sica18 PFS 4

No current price

Fs29 Hz −10%

Qts0.37 +12%

Vas245.9 L −3%

BL24.6 T·m −11%

Xmax9.5 mm +4%

Sensitivity93.5 dB −2.3

Eighteen Sound18W1300

No current price

Fs35 Hz +9%

Qts0.33 –

Vas336 L +32%

BL20.4 T·m −26%

Xmax8.5 mm −7%

Sensitivity98.2 dB +2.4

Oberton18XB1201

No current price

Fs38 Hz +19%

Qts0.32 −4%

Vas159.4 L −37%

BL26.7 T·m −3%

Xmax10.5 mm +15%

Sensitivity96.3 dB +0.5

Oberton18B450

No current price

Fs34 Hz +7%

Qts0.34 +4%

Vas241.6 L −5%

BL22.1 T·m −20%

Xmax7.3 mm −20%

Sensitivity96.4 dB +0.6

Oberton18B35

No current price

Fs32 Hz –

Qts0.32 –

Vas333.6 L +32%

BL19.3 T·m −30%

Xmax9 mm –

Sensitivity97 dB +1.2

RCFLF18N408

No current price

Fs30 Hz −6%

Qts0.33 –

Vas193 L −24%

BL25.7 T·m −7%

Xmax15 mm +65%

Sensitivity93.6 dB −2.2

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

UK shops, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
SoundImports Checked 1 Oct 2026 · 8 Ω · Source: inc VAT	£307.62, the lowest price		8 in stock	Visit shop at SoundImports

Best price over time

Tracked since 1 Apr

Recent changes

13 SepSoundImports£516.58 → £307.62Down 40% from £516.58