6.5-inch LF driver · 200 W

Eighteen Sound 6NMB900 16Ω

Name: Eighteen Sound 6NMB900 16 Ohm
Brand: Eighteen Sound
SKU: 6NMB900

200–7000 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 100Hz
Xmax: 3mm
SPL: 95dB
Pe: 200W
BL: 12.4T·m
Vd: 39cm³
Qts: 0.34
Vas: 7L

See all 25 specs

Curve provenanceInspect 2 traces

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

frequency response
Frequency response
Trace datasheet-response-trace-poc/v2
172 plotted pointsSource file SHA-256 319275922729…Medium confidence2,526 selected pixels of 2,990
Manufacturer datasheet, page 2
impedance
Impedance response
Trace datasheet-response-trace-poc/v2
240 plotted pointsSource file SHA-256 319275922729…Medium confidence3,144 selected pixels of 3,256
Manufacturer datasheet, page 2

Published graphs

Eighteen Sound 6NMB900 manufacturer graph 1

Eighteen Sound 6NMB900 manufacturer graph 2

Specifications

Published by Eighteen Sound

Manufacturer page

Datasheet PDF

Eighteen Sound 6NMB900 is a 6.5-inch 16 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 100 Hz, Qts 0.34, Vas 6.7 L, Xmax 3 mm, sensitivity 94.5 dB, plus 39 cm³ Vd and 263 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: 100Hz
Qts: 0.34
Qes: 0.38
Qms: 3.1
Vas: 6.7L
Re: 10.1Ω
Le: 0.19mH

Motor and cone

BL: 12.4T·m
Sd: 130cm²
Mms: 9g
Xmax: 3mm
Vd †: 39cm³

Power and response

Sensitivity †: 94.5dB
Manufacturer sensitivity: 96dB
Power: 200W
Nominal power: 200W
Impedance: 16Ω
Range: 200–7000Hz
EBP †: 263 · Leans vented

Size and mounting

Diameter: 162mm
Cutout: 148mm
Bolt circle: 170mm
Depth: 73mm
Weight: 1.3kg

Other published values

Power Program: 260

Sensitivity shows 94.5 dB, calculated from the T/S values. Eighteen Sound publishes 96.0 dB, 1.5 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Eighteen Sound lists

LF · Primary · 6.5″

BL: 12.4T·m
Fs: 100Hz
Le: 0.19mH
Re: 10.1Ω
Sd: 130cm²
Mms: 9g
Qes: 0.38
Qms: 3.1
Qts: 0.34
SPL: 94.5dB
Vas: 6.7L
Xmax: 3mm
Power: 200W
Impedance: 16Ω
Sensitivity: 96dB
Low limit: 200Hz
Nominal power: 200W
Power Program: 260
Calculated sensitivity †: 94.5dB
High limit: 7000Hz
Manufacturer sensitivity: 96dB
Weight: 1.3kg
Diameter: 162mm
Depth: 73mm
Cutout: 148mm
Bolt circle: 170mm

Designs

What Eighteen Sound suggests for the 6NMB900. No published designs name it yet.

How we find designs

Eighteen Sound’s suggested box

From Eighteen Sound’s 6NMB900 page

Eighteen Sound’s suggestion6 L vented boxFrom Eighteen Sound’s 6NMB900 page

Net volume: 6L
Tuning: 100Hz

Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.

Open this box in 00 Simulator

Modelling the box in 00 Simulator…

Compare

Same-size drivers, compared with the 6NMB900. Clear differences are green when better and red when worse.

This driver6NMB900

Best price

–

100 Hz

Qts

0.34

Vas

6.7 L

12.4 T·m

Xmax

3 mm

Sensitivity

94.5 dB

Power

200 W

Dayton AudioDC160-8

£26.07

Fs36 Hz −64%

Qts0.34 –

Vas17.9 L +169%

BL10.7 T·m −14%

Xmax3.1 mm +5%

Sensitivity85.3 dB −9.2

LavoceWSF061.52

£26.27

Fs91 Hz −9%

Qts0.34 –

Vas6.6 L –

BL10.8 T·m −13%

Xmax3.8 mm +27%

Sensitivity93.4 dB −1.1

Beyma6CMV2

£40.92

Fs90 Hz −10%

Qts0.34 –

Vas6.5 L –

BL9.4 T·m −24%

Xmax5.7 mm +90%

Sensitivity92.3 dB −2.2

CIAREFXI6

£62.68

Fs70 Hz −30%

Qts0.33 –

Vas8 L +20%

BL10.6 T·m −15%

Xmax5.3 mm +77%

Sensitivity90.7 dB −3.8

PRV Audio6MB550FT

£67.00

Fs85 Hz −15%

Qts0.34 –

Vas8.2 L +24%

BL9.8 T·m −21%

Xmax5.4 mm +80%

Sensitivity93.3 dB −1.2

Dayton AudioMX6-22

£75.18

Fs30 Hz −70%

Qts0.33 –

Vas10 L +50%

BL12.3 T·m –

Xmax12 mm +300%

Sensitivity80.7 dB −13.8

FaitalPRO6PR160

£82.74

Fs90 Hz −10%

Qts0.33 –

Vas5.9 L −11%

BL11 T·m −11%

Xmax5 mm +67%

Sensitivity92.9 dB −1.6

FaitalPRO6PR122

£84.13

Fs110 Hz +10%

Qts0.39 +15%

Vas4.7 L −29%

BL10.5 T·m −15%

Xmax2.8 mm −8%

Sensitivity93.6 dB −0.9

FaitalPRO6PR150

£85.46

Fs100 Hz –

Qts0.34 –

Vas4.9 L −26%

BL11.6 T·m −6%

Xmax2.6 mm −12%

Sensitivity93.5 dB −1

B&C6PS44

£86.62

Fs71 Hz −29%

Qts0.33 –

Vas7 L +5%

BL11 T·m −11%

Xmax4.5 mm +50%

Sensitivity90.7 dB −3.8

B&C6PEV13

£86.62

Fs126 Hz +26%

Qts0.36 +6%

Vas6 L −10%

BL8.2 T·m −34%

Xmax2.5 mm −17%

Sensitivity96.9 dB +2.4

Beyma6P200FE

£88.36

Fs66 Hz −34%

Qts0.35 –

Vas8.8 L +32%

BL13.6 T·m +10%

Xmax4 mm +33%

Sensitivity90.3 dB −4.2

Beyma6G40ND

£96.07

Fs100 Hz –

Qts0.38 +12%

Vas3.7 L −44%

BL10.6 T·m −15%

Xmax3 mm –

Sensitivity91.2 dB −3.3

Eighteen Sound6NMB420

£115.20

Fs110 Hz +10%

Qts0.33 –

Vas6.1 L −8%

BL9 T·m −27%

Xmax3 mm –

Sensitivity95.3 dB +0.8

B&C6MBX44

£121.81

Fs115 Hz +15%

Qts0.35 –

Vas4 L −40%

BL14.7 T·m +19%

Xmax3.5 mm +17%

Sensitivity93.7 dB −0.8

B&C6FHX51

£129.07

Fs85 Hz −15%

Qts0.37 +9%

Vas5 L −25%

BL11.3 T·m −9%

Xmax5.7 mm +90%

Sensitivity90.9 dB −3.6

FaitalPRO6HX150

£155.14

Fs88 Hz −12%

Qts0.34 –

Vas6.3 L −5%

BL12 T·m −3%

Xmax4.3 mm +45%

Sensitivity92.9 dB −1.6

Scanspeak15M/8631G00

£167.11

Fs42 Hz −58%

Qts0.35 –

Vas16.2 L +144%

BL6.8 T·m −45%

Xmax3 mm –

Sensitivity87.1 dB −7.4

AccutonAS168-9-470

£676.14

Fs27 Hz −73%

Qts0.35 –

Vas35.5 L +434%

BL12.1 T·m –

Xmax8 mm +167%

Sensitivity84.7 dB −9.8

No photo

PHL Audio1752NDU

No current price

Fs119 Hz +19%

Qts0.30 −12%

Vas4.4 L −34%

BL11.9 T·m −4%

Xmax3 mm –

Sensitivity95.5 dB +1

No photo

PHL Audio1663

No current price

Fs125 Hz +25%

Qts0.32 −6%

Vas4 L −40%

BL12.5 T·m –

Xmax2.5 mm −17%

Sensitivity95.5 dB +1

REDCATT61NPM

No current price

Fs92 Hz −8%

Qts0.36 +6%

Vas7 L +5%

BL9.8 T·m −21%

Xmax2.3 mm −23%

Sensitivity93.6 dB −0.9

PurifiPTT6.5M08-NFA-01

No current price

Fs52 Hz −48%

Qts0.34 –

Vas13.2 L +98%

BL9.8 T·m −21%

Xmax2.9 mm −3%

Sensitivity89 dB −5.5

No photo

PHL Audio1660NDM

No current price

Fs125 Hz +25%

Qts0.31 −9%

Vas4 L −40%

BL12.5 T·m –

Xmax2.5 mm −17%

Sensitivity95.6 dB +1.1

No photo

PHL Audio1752

No current price

Fs119 Hz +19%

Qts0.27 −21%

Vas4.4 L −34%

BL12.5 T·m –

Xmax3 mm –

Sensitivity96 dB +1.5

No photo

PHL Audio1683-26

No current price

Fs125 Hz +25%

Qts0.32 −6%

Vas2.9 L −56%

BL12.5 T·m –

Xmax2.5 mm −17%

Sensitivity94.1 dB –

Sica6 N 2 PL

No current price

Fs68 Hz −32%

Qts0.33 –

Vas8.7 L +31%

BL9.5 T·m −23%

Xmax3.5 mm +17%

Sensitivity90.8 dB −3.7

PRV Audio6MB550FT-4

No current price

Fs86 Hz −14%

Qts0.34 –

Vas6.6 L –

BL8.6 T·m −30%

Xmax5.4 mm +80%

Sensitivity92.9 dB −1.6

BMS6CN160

No current price

Fs79 Hz −21%

Qts0.34 –

Vas8.9 L +34%

BL10 T·m −19%

Xmax5 mm +67%

Sensitivity92.7 dB −1.8

No photo

PHL Audio1680NDM-10

No current price

Fs125 Hz +25%

Qts0.31 −9%

Vas2.9 L −56%

BL12.5 T·m –

Xmax2.5 mm −17%

Sensitivity94.2 dB –

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

None of the shops we track lists delivery to the UK at checkout.

bits00 AUDIO

6.5-inch LF driver · 200 W

Eighteen Sound 6NMB900 16Ω

200–7000 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 100Hz
Xmax: 3mm
SPL: 95dB
Pe: 200W
BL: 12.4T·m
Vd: 39cm³
Qts: 0.34
Vas: 7L

See all 25 specs

Curve provenanceInspect 2 traces

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

frequency response
Frequency response
Trace datasheet-response-trace-poc/v2
172 plotted pointsSource file SHA-256 319275922729…Medium confidence2,526 selected pixels of 2,990
Manufacturer datasheet, page 2
impedance
Impedance response
Trace datasheet-response-trace-poc/v2
240 plotted pointsSource file SHA-256 319275922729…Medium confidence3,144 selected pixels of 3,256
Manufacturer datasheet, page 2

Published graphs

Specifications

Published by Eighteen Sound

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 100Hz
Qts: 0.34
Qes: 0.38
Qms: 3.1
Vas: 6.7L
Re: 10.1Ω
Le: 0.19mH

Motor and cone

BL: 12.4T·m
Sd: 130cm²
Mms: 9g
Xmax: 3mm
Vd †: 39cm³

Power and response

Sensitivity †: 94.5dB
Manufacturer sensitivity: 96dB
Power: 200W
Nominal power: 200W
Impedance: 16Ω
Range: 200–7000Hz
EBP †: 263 · Leans vented

Size and mounting

Diameter: 162mm
Cutout: 148mm
Bolt circle: 170mm
Depth: 73mm
Weight: 1.3kg

Other published values

Power Program: 260

Sensitivity shows 94.5 dB, calculated from the T/S values. Eighteen Sound publishes 96.0 dB, 1.5 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Eighteen Sound lists

LF · Primary · 6.5″

BL: 12.4T·m
Fs: 100Hz
Le: 0.19mH
Re: 10.1Ω
Sd: 130cm²
Mms: 9g
Qes: 0.38
Qms: 3.1
Qts: 0.34
SPL: 94.5dB
Vas: 6.7L
Xmax: 3mm
Power: 200W
Impedance: 16Ω
Sensitivity: 96dB
Low limit: 200Hz
Nominal power: 200W
Power Program: 260
Calculated sensitivity †: 94.5dB
High limit: 7000Hz
Manufacturer sensitivity: 96dB
Weight: 1.3kg
Diameter: 162mm
Depth: 73mm
Cutout: 148mm
Bolt circle: 170mm

Designs

What Eighteen Sound suggests for the 6NMB900. No published designs name it yet.

How we find designs

Eighteen Sound’s suggested box

From Eighteen Sound’s 6NMB900 page

Eighteen Sound’s suggestion6 L vented boxFrom Eighteen Sound’s 6NMB900 page

Net volume: 6L
Tuning: 100Hz

Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.

Open this box in 00 Simulator

Modelling the box in 00 Simulator…

Compare

Same-size drivers, compared with the 6NMB900. Clear differences are green when better and red when worse.

This driver6NMB900

Best price

–

100 Hz

Qts

0.34

Vas

6.7 L

12.4 T·m

Xmax

3 mm

Sensitivity

94.5 dB

Power

200 W

Dayton AudioDC160-8

£26.07

Fs36 Hz −64%

Qts0.34 –

Vas17.9 L +169%

BL10.7 T·m −14%

Xmax3.1 mm +5%

Sensitivity85.3 dB −9.2

LavoceWSF061.52

£26.27

Fs91 Hz −9%

Qts0.34 –

Vas6.6 L –

BL10.8 T·m −13%

Xmax3.8 mm +27%

Sensitivity93.4 dB −1.1

Beyma6CMV2

£40.92

Fs90 Hz −10%

Qts0.34 –

Vas6.5 L –

BL9.4 T·m −24%

Xmax5.7 mm +90%

Sensitivity92.3 dB −2.2

CIAREFXI6

£62.68

Fs70 Hz −30%

Qts0.33 –

Vas8 L +20%

BL10.6 T·m −15%

Xmax5.3 mm +77%

Sensitivity90.7 dB −3.8

PRV Audio6MB550FT

£67.00

Fs85 Hz −15%

Qts0.34 –

Vas8.2 L +24%

BL9.8 T·m −21%

Xmax5.4 mm +80%

Sensitivity93.3 dB −1.2

Dayton AudioMX6-22

£75.18

Fs30 Hz −70%

Qts0.33 –

Vas10 L +50%

BL12.3 T·m –

Xmax12 mm +300%

Sensitivity80.7 dB −13.8

FaitalPRO6PR160

£82.74

Fs90 Hz −10%

Qts0.33 –

Vas5.9 L −11%

BL11 T·m −11%

Xmax5 mm +67%

Sensitivity92.9 dB −1.6

FaitalPRO6PR122

£84.13

Fs110 Hz +10%

Qts0.39 +15%

Vas4.7 L −29%

BL10.5 T·m −15%

Xmax2.8 mm −8%

Sensitivity93.6 dB −0.9

FaitalPRO6PR150

£85.46

Fs100 Hz –

Qts0.34 –

Vas4.9 L −26%

BL11.6 T·m −6%

Xmax2.6 mm −12%

Sensitivity93.5 dB −1

B&C6PS44

£86.62

Fs71 Hz −29%

Qts0.33 –

Vas7 L +5%

BL11 T·m −11%

Xmax4.5 mm +50%

Sensitivity90.7 dB −3.8

B&C6PEV13

£86.62

Fs126 Hz +26%

Qts0.36 +6%

Vas6 L −10%

BL8.2 T·m −34%

Xmax2.5 mm −17%

Sensitivity96.9 dB +2.4

Beyma6P200FE

£88.36

Fs66 Hz −34%

Qts0.35 –

Vas8.8 L +32%

BL13.6 T·m +10%

Xmax4 mm +33%

Sensitivity90.3 dB −4.2

Beyma6G40ND

£96.07

Fs100 Hz –

Qts0.38 +12%

Vas3.7 L −44%

BL10.6 T·m −15%

Xmax3 mm –

Sensitivity91.2 dB −3.3

Eighteen Sound6NMB420

£115.20

Fs110 Hz +10%

Qts0.33 –

Vas6.1 L −8%

BL9 T·m −27%

Xmax3 mm –

Sensitivity95.3 dB +0.8

B&C6MBX44

£121.81

Fs115 Hz +15%

Qts0.35 –

Vas4 L −40%

BL14.7 T·m +19%

Xmax3.5 mm +17%

Sensitivity93.7 dB −0.8

B&C6FHX51

£129.07

Fs85 Hz −15%

Qts0.37 +9%

Vas5 L −25%

BL11.3 T·m −9%

Xmax5.7 mm +90%

Sensitivity90.9 dB −3.6

FaitalPRO6HX150

£155.14

Fs88 Hz −12%

Qts0.34 –

Vas6.3 L −5%

BL12 T·m −3%

Xmax4.3 mm +45%

Sensitivity92.9 dB −1.6

Scanspeak15M/8631G00

£167.11

Fs42 Hz −58%

Qts0.35 –

Vas16.2 L +144%

BL6.8 T·m −45%

Xmax3 mm –

Sensitivity87.1 dB −7.4

AccutonAS168-9-470

£676.14

Fs27 Hz −73%

Qts0.35 –

Vas35.5 L +434%

BL12.1 T·m –

Xmax8 mm +167%

Sensitivity84.7 dB −9.8

No photo

PHL Audio1752NDU

No current price

Fs119 Hz +19%

Qts0.30 −12%

Vas4.4 L −34%

BL11.9 T·m −4%

Xmax3 mm –

Sensitivity95.5 dB +1

No photo

PHL Audio1663

No current price

Fs125 Hz +25%

Qts0.32 −6%

Vas4 L −40%

BL12.5 T·m –

Xmax2.5 mm −17%

Sensitivity95.5 dB +1

REDCATT61NPM

No current price

Fs92 Hz −8%

Qts0.36 +6%

Vas7 L +5%

BL9.8 T·m −21%

Xmax2.3 mm −23%

Sensitivity93.6 dB −0.9

PurifiPTT6.5M08-NFA-01

No current price

Fs52 Hz −48%

Qts0.34 –

Vas13.2 L +98%

BL9.8 T·m −21%

Xmax2.9 mm −3%

Sensitivity89 dB −5.5

No photo

PHL Audio1660NDM

No current price

Fs125 Hz +25%

Qts0.31 −9%

Vas4 L −40%

BL12.5 T·m –

Xmax2.5 mm −17%

Sensitivity95.6 dB +1.1

No photo

PHL Audio1752

No current price

Fs119 Hz +19%

Qts0.27 −21%

Vas4.4 L −34%

BL12.5 T·m –

Xmax3 mm –

Sensitivity96 dB +1.5

No photo

PHL Audio1683-26

No current price

Fs125 Hz +25%

Qts0.32 −6%

Vas2.9 L −56%

BL12.5 T·m –

Xmax2.5 mm −17%

Sensitivity94.1 dB –

Sica6 N 2 PL

No current price

Fs68 Hz −32%

Qts0.33 –

Vas8.7 L +31%

BL9.5 T·m −23%

Xmax3.5 mm +17%

Sensitivity90.8 dB −3.7

PRV Audio6MB550FT-4

No current price

Fs86 Hz −14%

Qts0.34 –

Vas6.6 L –

BL8.6 T·m −30%

Xmax5.4 mm +80%

Sensitivity92.9 dB −1.6

BMS6CN160

No current price

Fs79 Hz −21%

Qts0.34 –

Vas8.9 L +34%

BL10 T·m −19%

Xmax5 mm +67%

Sensitivity92.7 dB −1.8

No photo

PHL Audio1680NDM-10

No current price

Fs125 Hz +25%

Qts0.31 −9%

Vas2.9 L −56%

BL12.5 T·m –

Xmax2.5 mm −17%

Sensitivity94.2 dB –

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

None of the shops we track lists delivery to the UK at checkout.