8-inch LF driver · NTR08 series · 50 mm voice coil · 200 W

Celestion NTR08-2009D 8Ω

Name: Celestion NTR08-2009D 8 Ohm
Brand: Celestion
SKU: NTR08-2009D

8 Ω · 70–5000 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 71Hz
Xmax: 6.5mm
SPL: 95dB
Pe: 200W
BL: 18.0T·m
Vd: 148cm³
Qts: 0.21
Vas: 12L

See all 27 specs

Curve provenanceInspect 1 trace

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

LF frequency response
Frequency response
Trace datasheet-response-trace-poc/v1
137 plotted pointsMedium confidence164 selected pixels of 351
Manufacturer datasheet, page 1

Published graphs

Celestion NTR08-2009D manufacturer graph 1

Specifications

Published by Celestion

Manufacturer page

Datasheet PDF

Celestion NTR08-2009D is an 8-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 71 Hz, Qts 0.21, Vas 11.7 L, Xmax 6.5 mm, sensitivity 94.6 dB, plus 148 cm³ Vd and 303 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: 71Hz
Qts: 0.21
Qes: 0.24
Qms: 2.0
Vas: 11.7L
Re: 5.5Ω
Le: 0.48mH

Motor and cone

BL: 18.0T·m
Sd: 227cm²
Mms: 31g
Xmax: 6.5mm
Vd †: 148cm³
Voice coil: 50mm

Power and response

Sensitivity †: 94.6dB
Manufacturer sensitivity: 94.5dB
Power: 200W
Impedance: 8Ω
Range: 70–5000Hz
EBP †: 303 · Leans vented

Size and mounting

Diameter: 225mm
Cutout: 187mm
Bolt circle: 210mm
Depth: 100mm
Weight: 2.8kg

Other published values

Cms: 0.16mm/N
Rms: 6.85kg/s
Power Program: 400

† Calculated by bits from the published values

What this validation status means

Everything else Celestion lists

LF · Primary · 8″

BL: 18.0T·m
Fs: 71Hz
Le: 0.48mH
Re: 5.5Ω
Sd: 227cm²
Cms: 0.16mm/N
Mms: 31g
Qes: 0.24
Qms: 2.0
Qts: 0.21
Rms: 6.85kg/s
SPL: 94.6dB
Vas: 11.7L
Xmax: 6.5mm
Power: 200W
Impedance: 8Ω
Sensitivity: 94.5dB
Low limit: 70Hz
Power Program: 400
Calculated sensitivity †: 94.6dB
High limit: 5000Hz
Manufacturer sensitivity: 94.5dB
Voice coil: 50mm
Weight: 2.8kg
Diameter: 225mm
Depth: 100mm
Cutout: 187mm
Bolt circle: 210mm

Compare

Same-size drivers, compared with the NTR08-2009D. Clear differences are green when better and red when worse.

This driverNTR08-2009D

Best price

–

71 Hz

Qts

0.21

Vas

11.7 L

18.0 T·m

Xmax

6.5 mm

Sensitivity

94.6 dB

Power

200 W

LavoceMAF082.00

£74.52

Fs85 Hz +19%

Qts0.20 −5%

Vas11.3 L −3%

BL17.2 T·m −5%

Xmax2.6 mm −60%

Sensitivity97 dB +2.4

Beyma8WRS300

£75.41

Fs65 Hz −9%

Qts0.28 +33%

Vas15 L +29%

BL15.2 T·m −16%

Xmax6 mm −8%

Sensitivity93.4 dB −1.2

SB AudienceBIANCO-8MWN150

£81.76

Fs74 Hz +4%

Qts0.38 +80%

Vas9.9 L −15%

BL16.5 T·m −8%

Xmax6.0 mm −8%

Sensitivity92 dB −2.6

Beyma8WR300

£90.05

Fs65 Hz −9%

Qts0.27 +28%

Vas15 L +29%

BL15.5 T·m −14%

Xmax6 mm −8%

Sensitivity93.6 dB −1

B&C8PE21

£95.00

Fs87 Hz +22%

Qts0.19 −10%

Vas13 L +12%

BL16.6 T·m −8%

Xmax2.5 mm −62%

Sensitivity98.3 dB +3.7

B&C8FW51

£116.87

Fs74 Hz +4%

Qts0.21 –

Vas12 L +3%

BL17.7 T·m –

Xmax6 mm −8%

Sensitivity95.7 dB +1.1

B&C8NW51

£120.85

Fs74 Hz +4%

Qts0.17 −19%

Vas11 L −6%

BL18.9 T·m +5%

Xmax6 mm −8%

Sensitivity95.7 dB +1.1

B&C8NDL64

£122.00

Fs80 Hz +12%

Qts0.25 +18%

Vas9.6 L −18%

BL17.5 T·m –

Xmax4.5 mm −31%

Sensitivity95 dB –

B&C8MDN51

£136.46

Fs70 Hz –

Qts0.20 −5%

Vas16 L +37%

BL15.3 T·m −15%

Xmax6 mm −8%

Sensitivity96.2 dB +1.6

Eighteen Sound8NTLW2000

£137.32

Fs71 Hz –

Qts0.21 –

Vas13 L +12%

BL17.5 T·m –

Xmax4.4 mm −32%

Sensitivity95.5 dB +0.9

LavoceWAN082.02

£147.03

Fs80 Hz +12%

Qts0.23 +9%

Vas9.0 L −23%

BL17.8 T·m –

Xmax5.8 mm −11%

Sensitivity94.7 dB –

RCFMB8N251

£149.04

Fs68 Hz −5%

Qts0.25 +18%

Vas13 L +12%

BL15.2 T·m −16%

Xmax5 mm −23%

Sensitivity94 dB −0.6

Scanspeak18W/8545-01

£149.18

Fs25 Hz −65%

Qts0.20 −5%

Vas68.6 L +489%

BL8.4 T·m −53%

Xmax6.5 mm –

Sensitivity88.9 dB −5.7

Sica8 K 3 PL

£158.25

Fs68 Hz −5%

Qts0.25 +18%

Vas12.2 L +5%

BL16.1 T·m −11%

Xmax5 mm −23%

Sensitivity93.6 dB −1

Beyma8MC500ND

£159.93

Fs69 Hz −3%

Qts0.18 −15%

Vas15.9 L +36%

BL16.7 T·m −7%

Xmax5 mm −23%

Sensitivity96.4 dB +1.8

Eighteen Sound8NTLS2000

£162.28

Fs41 Hz −43%

Qts0.19 −10%

Vas27 L +132%

BL17.2 T·m −5%

Xmax7.4 mm +14%

Sensitivity91.9 dB −2.7

Beyma8MC300ND

£175.84

Fs62 Hz −13%

Qts0.22 +4%

Vas18 L +55%

BL16 T·m −11%

Xmax6 mm −8%

Sensitivity94.6 dB –

Eighteen Sound8NMB750

£214.35

Fs88 Hz +23%

Qts0.27 +28%

Vas6.9 L −41%

BL18.7 T·m +4%

Xmax6.1 mm −6%

Sensitivity94.3 dB –

FaitalPRO8HX230

£233.61

Fs70 Hz –

Qts0.29 +37%

Vas14.7 L +26%

BL15 T·m −17%

Xmax6.2 mm −5%

Sensitivity94.1 dB −0.5

FaitalPRO8HX240

£278.82

Fs70 Hz –

Qts0.30 +42%

Vas12.9 L +11%

BL13.8 T·m −23%

Xmax6.2 mm −5%

Sensitivity93.6 dB −1

AccutonC173-6-096

£837.27

Fs50 Hz −30%

Qts0.22 +4%

Vas17.0 L +46%

BL11.4 T·m −37%

Xmax5 mm −23%

Sensitivity91.5 dB −3.1

LavoceWAF082.01

No current price

Fs76 Hz +6%

Qts0.21 –

Vas10.2 L −12%

BL17.9 T·m –

Xmax5.8 mm −11%

Sensitivity95.1 dB +0.5

B&C8CLA64

No current price

Fs71 Hz –

Qts0.24 +14%

Vas12.5 L +7%

BL16.4 T·m −9%

Xmax5.3 mm −18%

Sensitivity94.6 dB –

Oberton8NB201

No current price

Fs71 Hz –

Qts0.24 +16%

Vas12.5 L +8%

BL14.4 T·m −20%

Xmax5.3 mm −19%

Sensitivity94.4 dB –

No photo

PHL Audio2513NDU

No current price

Fs70 Hz –

Qts0.23 +9%

Vas12.5 L +7%

BL24 T·m +33%

Xmax4 mm −38%

Sensitivity94.5 dB –

REDCATT81NPM-1

No current price

Fs72 Hz –

Qts0.33 +56%

Vas10.3 L −12%

BL16.7 T·m −7%

Xmax6 mm −8%

Sensitivity92.6 dB −2

No photo

PHL Audio2510

No current price

Fs72 Hz –

Qts0.24 +14%

Vas13.3 L +14%

BL23 T·m +28%

Xmax4 mm −38%

Sensitivity95 dB –

Acoustic EleganceTD8M-8

No current price

Fs76 Hz +6%

Qts0.26 +23%

Vas11.3 L −3%

BL15.5 T·m −14%

Xmax3 mm −54%

Sensitivity94.6 dB –

Oberton8M250

No current price

Fs74 Hz +4%

Qts0.20 −5%

Vas15.6 L +34%

BL13.7 T·m −24%

Xmax2.8 mm −58%

Sensitivity97 dB +2.4

Oberton8MVCX (8NMB250VCX)

No current price

Fs85 Hz +19%

Qts0.16 −22%

Vas10.7 L −8%

BL17.8 T·m –

Xmax4.3 mm −35%

Sensitivity98 dB +3.4

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
Lean Audio Checked 26 Oct 2026 · 8 Ω · Source: inc VAT · 20%	£195.00		Out of stock	Visit shop at Lean Audio

bits00 AUDIO

8-inch LF driver · NTR08 series · 50 mm voice coil · 200 W

Celestion NTR08-2009D 8Ω

8 Ω · 70–5000 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 71Hz
Xmax: 6.5mm
SPL: 95dB
Pe: 200W
BL: 18.0T·m
Vd: 148cm³
Qts: 0.21
Vas: 12L

See all 27 specs

Curve provenanceInspect 1 trace

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

LF frequency response
Frequency response
Trace datasheet-response-trace-poc/v1
137 plotted pointsMedium confidence164 selected pixels of 351
Manufacturer datasheet, page 1

Published graphs

Specifications

Published by Celestion

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 71Hz
Qts: 0.21
Qes: 0.24
Qms: 2.0
Vas: 11.7L
Re: 5.5Ω
Le: 0.48mH

Motor and cone

BL: 18.0T·m
Sd: 227cm²
Mms: 31g
Xmax: 6.5mm
Vd †: 148cm³
Voice coil: 50mm

Power and response

Sensitivity †: 94.6dB
Manufacturer sensitivity: 94.5dB
Power: 200W
Impedance: 8Ω
Range: 70–5000Hz
EBP †: 303 · Leans vented

Size and mounting

Diameter: 225mm
Cutout: 187mm
Bolt circle: 210mm
Depth: 100mm
Weight: 2.8kg

Other published values

Cms: 0.16mm/N
Rms: 6.85kg/s
Power Program: 400

† Calculated by bits from the published values

What this validation status means

Everything else Celestion lists

LF · Primary · 8″

BL: 18.0T·m
Fs: 71Hz
Le: 0.48mH
Re: 5.5Ω
Sd: 227cm²
Cms: 0.16mm/N
Mms: 31g
Qes: 0.24
Qms: 2.0
Qts: 0.21
Rms: 6.85kg/s
SPL: 94.6dB
Vas: 11.7L
Xmax: 6.5mm
Power: 200W
Impedance: 8Ω
Sensitivity: 94.5dB
Low limit: 70Hz
Power Program: 400
Calculated sensitivity †: 94.6dB
High limit: 5000Hz
Manufacturer sensitivity: 94.5dB
Voice coil: 50mm
Weight: 2.8kg
Diameter: 225mm
Depth: 100mm
Cutout: 187mm
Bolt circle: 210mm

Compare

Same-size drivers, compared with the NTR08-2009D. Clear differences are green when better and red when worse.

This driverNTR08-2009D

Best price

–

71 Hz

Qts

0.21

Vas

11.7 L

18.0 T·m

Xmax

6.5 mm

Sensitivity

94.6 dB

Power

200 W

LavoceMAF082.00

£74.52

Fs85 Hz +19%

Qts0.20 −5%

Vas11.3 L −3%

BL17.2 T·m −5%

Xmax2.6 mm −60%

Sensitivity97 dB +2.4

Beyma8WRS300

£75.41

Fs65 Hz −9%

Qts0.28 +33%

Vas15 L +29%

BL15.2 T·m −16%

Xmax6 mm −8%

Sensitivity93.4 dB −1.2

SB AudienceBIANCO-8MWN150

£81.76

Fs74 Hz +4%

Qts0.38 +80%

Vas9.9 L −15%

BL16.5 T·m −8%

Xmax6.0 mm −8%

Sensitivity92 dB −2.6

Beyma8WR300

£90.05

Fs65 Hz −9%

Qts0.27 +28%

Vas15 L +29%

BL15.5 T·m −14%

Xmax6 mm −8%

Sensitivity93.6 dB −1

B&C8PE21

£95.00

Fs87 Hz +22%

Qts0.19 −10%

Vas13 L +12%

BL16.6 T·m −8%

Xmax2.5 mm −62%

Sensitivity98.3 dB +3.7

B&C8FW51

£116.87

Fs74 Hz +4%

Qts0.21 –

Vas12 L +3%

BL17.7 T·m –

Xmax6 mm −8%

Sensitivity95.7 dB +1.1

B&C8NW51

£120.85

Fs74 Hz +4%

Qts0.17 −19%

Vas11 L −6%

BL18.9 T·m +5%

Xmax6 mm −8%

Sensitivity95.7 dB +1.1

B&C8NDL64

£122.00

Fs80 Hz +12%

Qts0.25 +18%

Vas9.6 L −18%

BL17.5 T·m –

Xmax4.5 mm −31%

Sensitivity95 dB –

B&C8MDN51

£136.46

Fs70 Hz –

Qts0.20 −5%

Vas16 L +37%

BL15.3 T·m −15%

Xmax6 mm −8%

Sensitivity96.2 dB +1.6

Eighteen Sound8NTLW2000

£137.32

Fs71 Hz –

Qts0.21 –

Vas13 L +12%

BL17.5 T·m –

Xmax4.4 mm −32%

Sensitivity95.5 dB +0.9

LavoceWAN082.02

£147.03

Fs80 Hz +12%

Qts0.23 +9%

Vas9.0 L −23%

BL17.8 T·m –

Xmax5.8 mm −11%

Sensitivity94.7 dB –

RCFMB8N251

£149.04

Fs68 Hz −5%

Qts0.25 +18%

Vas13 L +12%

BL15.2 T·m −16%

Xmax5 mm −23%

Sensitivity94 dB −0.6

Scanspeak18W/8545-01

£149.18

Fs25 Hz −65%

Qts0.20 −5%

Vas68.6 L +489%

BL8.4 T·m −53%

Xmax6.5 mm –

Sensitivity88.9 dB −5.7

Sica8 K 3 PL

£158.25

Fs68 Hz −5%

Qts0.25 +18%

Vas12.2 L +5%

BL16.1 T·m −11%

Xmax5 mm −23%

Sensitivity93.6 dB −1

Beyma8MC500ND

£159.93

Fs69 Hz −3%

Qts0.18 −15%

Vas15.9 L +36%

BL16.7 T·m −7%

Xmax5 mm −23%

Sensitivity96.4 dB +1.8

Eighteen Sound8NTLS2000

£162.28

Fs41 Hz −43%

Qts0.19 −10%

Vas27 L +132%

BL17.2 T·m −5%

Xmax7.4 mm +14%

Sensitivity91.9 dB −2.7

Beyma8MC300ND

£175.84

Fs62 Hz −13%

Qts0.22 +4%

Vas18 L +55%

BL16 T·m −11%

Xmax6 mm −8%

Sensitivity94.6 dB –

Eighteen Sound8NMB750

£214.35

Fs88 Hz +23%

Qts0.27 +28%

Vas6.9 L −41%

BL18.7 T·m +4%

Xmax6.1 mm −6%

Sensitivity94.3 dB –

FaitalPRO8HX230

£233.61

Fs70 Hz –

Qts0.29 +37%

Vas14.7 L +26%

BL15 T·m −17%

Xmax6.2 mm −5%

Sensitivity94.1 dB −0.5

FaitalPRO8HX240

£278.82

Fs70 Hz –

Qts0.30 +42%

Vas12.9 L +11%

BL13.8 T·m −23%

Xmax6.2 mm −5%

Sensitivity93.6 dB −1

AccutonC173-6-096

£837.27

Fs50 Hz −30%

Qts0.22 +4%

Vas17.0 L +46%

BL11.4 T·m −37%

Xmax5 mm −23%

Sensitivity91.5 dB −3.1

LavoceWAF082.01

No current price

Fs76 Hz +6%

Qts0.21 –

Vas10.2 L −12%

BL17.9 T·m –

Xmax5.8 mm −11%

Sensitivity95.1 dB +0.5

B&C8CLA64

No current price

Fs71 Hz –

Qts0.24 +14%

Vas12.5 L +7%

BL16.4 T·m −9%

Xmax5.3 mm −18%

Sensitivity94.6 dB –

Oberton8NB201

No current price

Fs71 Hz –

Qts0.24 +16%

Vas12.5 L +8%

BL14.4 T·m −20%

Xmax5.3 mm −19%

Sensitivity94.4 dB –

No photo

PHL Audio2513NDU

No current price

Fs70 Hz –

Qts0.23 +9%

Vas12.5 L +7%

BL24 T·m +33%

Xmax4 mm −38%

Sensitivity94.5 dB –

REDCATT81NPM-1

No current price

Fs72 Hz –

Qts0.33 +56%

Vas10.3 L −12%

BL16.7 T·m −7%

Xmax6 mm −8%

Sensitivity92.6 dB −2

No photo

PHL Audio2510

No current price

Fs72 Hz –

Qts0.24 +14%

Vas13.3 L +14%

BL23 T·m +28%

Xmax4 mm −38%

Sensitivity95 dB –

Acoustic EleganceTD8M-8

No current price

Fs76 Hz +6%

Qts0.26 +23%

Vas11.3 L −3%

BL15.5 T·m −14%

Xmax3 mm −54%

Sensitivity94.6 dB –

Oberton8M250

No current price

Fs74 Hz +4%

Qts0.20 −5%

Vas15.6 L +34%

BL13.7 T·m −24%

Xmax2.8 mm −58%

Sensitivity97 dB +2.4

Oberton8MVCX (8NMB250VCX)

No current price

Fs85 Hz +19%

Qts0.16 −22%

Vas10.7 L −8%

BL17.8 T·m –

Xmax4.3 mm −35%

Sensitivity98 dB +3.4

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
Lean Audio Checked 26 Oct 2026 · 8 Ω · Source: inc VAT · 20%	£195.00		Out of stock	Visit shop at Lean Audio