- Net volume
- 110L
- Tuning
- 42Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
15-inch LF driver · 1,200 W
Eighteen Sound 15NLW9401 8Ω
37–2300 Hz
£288.50
SteadyLean Business · All 4 offers
- Fs
- 39Hz
- Xmax
- 10mm
- SPL
- 97dB
- Pe
- 1200W
- BL
- 25.4T·m
- Vd
- 850cm³
- Qts
- 0.26
- Vas
- 134L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
frequency response
Frequency response
240 plotted pointsMedium confidence1,273 selected pixels of 2,415 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence2,055 selected pixels of 2,462
Published graphs
Eighteen Sound 15NLW9401 is a 15-inch 8 ohm LF driver rated at 1200 W RMS. The validated T/S data includes Fs 39 Hz, Qts 0.26, Vas 134 L, Xmax 10 mm, sensitivity 96.6 dB, plus 850 cm³ Vd and 139 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 £288.50.
The published T/S values agree with each other
Thiele/Small
- Fs
- 39Hz
- Qts
- 0.26
- Qes
- 0.28
- Qms
- 4.1
- Vas
- 134L
- Re
- 5.2Ω
- Le
- 1.90mH
Motor and cone
- BL
- 25.4T·m
- Sd
- 850cm²
- Mms
- 140g
- Xmax
- 10mm
- Vd †
- 850cm³
Power and response
- Sensitivity †
- 96.6dB
- Manufacturer sensitivity
- 97.5dB
- Power
- 1200W
- Nominal power
- 1200W
- Impedance
- 8Ω
- Range
- 37–2300Hz
- EBP †
- 139 · Leans vented
Size and mounting
- Diameter
- 393mm
- Cutout
- 354mm
- Bolt circle
- 371mm
- Depth
- 180mm
- Weight
- 7.5kg
Other published values
- Power Program
- 2400
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 15″
- BL
- 25.4T·m
- Fs
- 39Hz
- Le
- 1.90mH
- Re
- 5.2Ω
- Sd
- 850cm²
- Mms
- 140g
- Qes
- 0.28
- Qms
- 4.1
- Qts
- 0.26
- SPL
- 96.6dB
- Vas
- 134L
- Xmax
- 10mm
- Power
- 1200W
- Impedance
- 8Ω
- Sensitivity
- 97.5dB
- Low limit
- 37Hz
- Nominal power
- 1200W
- Power Program
- 2400
- Calculated sensitivity †
- 96.6dB
- High limit
- 2300Hz
- Manufacturer sensitivity
- 97.5dB
- Weight
- 7.5kg
- Diameter
- 393mm
- Depth
- 180mm
- Cutout
- 354mm
- Bolt circle
- 371mm
02
Designs
What Eighteen Sound suggests for the 15NLW9401. No published designs name it yet.
How we find designsEighteen Sound’s suggested box
From Eighteen Sound’s 15NLW9401 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 15NLW9401. Clear differences are green when better and red when worse.
This driver15NLW9401
Best price
£288.50
Fs
39 Hz
Qts
0.26
Vas
134 L
BL
25.4 T·m
Xmax
10 mm
Sensitivity
96.6 dB
Power
1200 W
RCFL15P400
£214.72 · 26% less, betterFs36 Hz −8%
Qts0.25 −4%
Vas160 L +19%, worse
BL24.8 T·m –
Xmax8 mm −20%, worse
Sensitivity96.4 dB –
B&C15TBX100
£225.00 · 22% less, betterFs35 Hz −10%, better
Qts0.28 +8%
Vas113 L −16%, better
BL25.5 T·m –
Xmax9 mm −10%, worse
Sensitivity94.1 dB −2.5, worse
RCFLF15G401
£238.26 · 17% less, betterFs36 Hz −8%
Qts0.26 –
Vas150 L +12%, worse
BL24.6 T·m −3%
Xmax9 mm −10%, worse
Sensitivity96.2 dB –
Oberton15XB1000
£250.00 · 13% less, betterFs37 Hz −5%
Qts0.28 +9%
Vas111.0 L −17%, better
BL25.6 T·m –
Xmax9 mm −10%, worse
Sensitivity94.9 dB −1.7
Eighteen Sound15LW1401
£254.65 · 12% less, betterFs42 Hz +8%
Qts0.27 +4%
Vas131 L –
BL24.2 T·m −5%
Xmax9 mm −10%, worse
Sensitivity97.4 dB +0.8
Eighteen Sound15LW2400
£262.08 · 9% less, betterFs40 Hz –
Qts0.30 +15%, worse
Vas131 L –
BL24 T·m −6%
Xmax10 mm –
Sensitivity96.2 dB –
FaitalPRO15HP1020
£263.08 · 9% less, betterFs40 Hz –
Qts0.27 +4%
Vas126.6 L −6%
BL24.2 T·m −5%
Xmax9 mm −10%, worse
Sensitivity96.6 dB –
B&C15NBX100
£267.25 · 7% less, betterFs36 Hz −8%
Qts0.29 +12%, worse
Vas125 L −7%
BL25 T·m –
Xmax10 mm –
Sensitivity94.8 dB −1.8
FaitalPRO15FX600
£283.85 · 2% lessFs38 Hz –
Qts0.27 +4%
Vas128.3 L −4%
BL23.2 T·m −9%
Xmax11.3 mm +13%, better
Sensitivity96 dB −0.6
B&C15NA100
£304.46 · 6% more, worseFs47 Hz +21%, worse
Qts0.28 +8%
Vas88 L −34%, better
BL26.3 T·m +4%
Xmax10 mm –
Sensitivity97 dB –
Eighteen Sound15NLW9300
£315.00 · 9% more, worseFs39 Hz –
Qts0.26 –
Vas170 L +27%, worse
BL24.4 T·m −4%
Xmax8 mm −20%, worse
Sensitivity97.8 dB +1.2
BMS15S435
£317.34 · 10% more, worseFs38 Hz –
Qts0.28 +8%
Vas129 L −4%
BL24.4 T·m −4%
Xmax8 mm −20%, worse
Sensitivity95.9 dB −0.7
FaitalPRO15HX500
£426.19 · 48% more, worseFs40 Hz –
Qts0.28 +8%
Vas150.1 L +12%, worse
BL22.2 T·m −13%, worse
Xmax9.4 mm −6%
Sensitivity97.2 dB +0.6
No photo
PHL Audio6301MND
No current priceFs36 Hz −8%
Qts0.26 –
Vas140 L +4%
BL25.5 T·m –
Xmax10.5 mm +5%
Sensitivity95.7 dB −0.9
No photo
PHL Audio6201MND
No current priceFs36 Hz −8%
Qts0.27 +4%
Vas140 L +4%
BL25 T·m –
Xmax10.5 mm +5%
Sensitivity95.6 dB −1
Oberton15MB701
No current priceFs44 Hz +13%, worse
Qts0.27 +3%
Vas100.2 L −25%, better
BL26.1 T·m –
Xmax9.3 mm −8%
Sensitivity97 dB –
BMS15S430V2
No current priceFs40 Hz –
Qts0.26 –
Vas135 L –
BL25.0 T·m –
Xmax7.5 mm −25%, worse
Sensitivity97 dB –
Oberton15XB700
No current priceFs37 Hz −5%
Qts0.28 +9%
Vas111.0 L −17%, better
BL25.6 T·m –
Xmax9 mm −10%, worse
Sensitivity94.9 dB −1.7
No photo
PHL Audio5241MNDU-7
No current priceFs45 Hz +15%, worse
Qts0.26 –
Vas120.5 L −10%, better
BL24.3 T·m −4%
Xmax7.5 mm −25%, worse
Sensitivity98 dB +1.4
Oberton15NXB1000
No current priceFs38 Hz –
Qts0.28 +9%
Vas105.5 L −21%, better
BL26.0 T·m –
Xmax9 mm −10%, worse
Sensitivity95.1 dB −1.5
Oberton15NXB700
No current priceFs38 Hz –
Qts0.28 +9%
Vas105.5 L −21%, better
BL26.0 T·m –
Xmax9 mm −10%, worse
Sensitivity95.1 dB −1.5
No current price
Fs45 Hz +15%, worse
Qts0.27 +4%
Vas127 L −5%
BL24.5 T·m −4%
Xmax7.5 mm −25%, worse
Sensitivity98 dB +1.4
Oberton15XL700
No current priceFs45 Hz +16%, worse
Qts0.28 +8%
Vas117.0 L −13%, better
BL23.1 T·m −9%
Xmax8.8 mm −13%, worse
Sensitivity97.8 dB +1.2
Oberton15XL701
No current priceFs45 Hz +16%, worse
Qts0.28 +8%
Vas117.0 L −13%, better
BL23.1 T·m −9%
Xmax8.8 mm −13%, worse
Sensitivity97.8 dB +1.2
CelestionFTR15-4080F
No current priceFs38 Hz –
Qts0.25 −4%
Vas163.1 L +22%, worse
BL23.5 T·m −7%
Xmax8.5 mm −15%, worse
Sensitivity97.2 dB +0.6
Oberton15NB500
No current priceFs43 Hz +10%
Qts0.26 –
Vas121.5 L −9%
BL24.3 T·m −4%
Xmax7.3 mm −28%, worse
Sensitivity97.7 dB +1.1
Eighteen Sound15ND940
No current priceFs38 Hz –
Qts0.28 +8%
Vas174 L +30%, worse
BL21.9 T·m −14%, worse
Xmax9.5 mm −5%
Sensitivity97.2 dB +0.6
No photo
PHL Audio5011MNDU
No current priceFs38 Hz –
Qts0.26 –
Vas169 L +26%, worse
BL23.7 T·m −7%
Xmax7.5 mm −25%, worse
Sensitivity97.2 dB +0.6
Precision DevicesPD.1550/2
No current priceFs46 Hz +18%, worse
Qts0.29 +12%, worse
Vas126.4 L −6%
BL26.6 T·m +5%
Xmax8.2 mm −18%, worse
Sensitivity98.2 dB +1.6
RCFMB15N405
No current priceFs46 Hz +18%, worse
Qts0.27 +4%
Vas124 L −7%
BL23.5 T·m −7%
Xmax7 mm −30%, worse
Sensitivity98.4 dB +1.8
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Business | £288.50, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £288.50 | 2 in stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr