- Net volume
- 120L
- Tuning
- 37Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
15-inch LF driver · 1,000 W
Eighteen Sound 15NLW9500 8Ω
42–2000 Hz
£385.21
SteadyLean Business · All 5 offers
- Fs
- 35Hz
- Xmax
- 9mm
- SPL
- 95dB
- Pe
- 1000W
- BL
- 21.6T·m
- Vd
- 765cm³
- Qts
- 0.32
- Vas
- 163L
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 1 trace
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 confidence1,721 selected pixels of 1,996
Published graphs
Eighteen Sound 15NLW9500 is a 15-inch 8 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.32, Vas 163 L, Xmax 9 mm, sensitivity 95.2 dB, plus 765 cm³ Vd and 103 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 £376.79.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.32
- Qes
- 0.34
- Qms
- 6.7
- Vas
- 163L
- Re
- 4.9Ω
- Le
- 0.80mH
Motor and cone
- BL
- 21.6T·m
- Sd
- 850cm²
- Mms
- 146g
- Xmax
- 9mm
- Vd †
- 765cm³
Power and response
- Sensitivity †
- 95.2dB
- Manufacturer sensitivity
- 96dB
- Power
- 1000W
- Nominal power
- 1000W
- Impedance
- 8Ω
- Range
- 42–2000Hz
- EBP †
- 103 · Leans vented
Size and mounting
- Diameter
- 387mm
- Cutout
- 353mm
- Bolt circle
- 370mm
- Depth
- 177mm
- Weight
- 7kg
Other published values
- Power Program
- 1400
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 15″
- BL
- 21.6T·m
- Fs
- 35Hz
- Le
- 0.80mH
- Re
- 4.9Ω
- Sd
- 850cm²
- Mms
- 146g
- Qes
- 0.34
- Qms
- 6.7
- Qts
- 0.32
- SPL
- 95.2dB
- Vas
- 163L
- Xmax
- 9mm
- Power
- 1000W
- Impedance
- 8Ω
- Sensitivity
- 96dB
- Low limit
- 42Hz
- Nominal power
- 1000W
- Power Program
- 1400
- Calculated sensitivity †
- 95.2dB
- High limit
- 2000Hz
- Manufacturer sensitivity
- 96dB
- Weight
- 7kg
- Diameter
- 387mm
- Depth
- 177mm
- Cutout
- 353mm
- Bolt circle
- 370mm
02
Designs
What Eighteen Sound suggests for the 15NLW9500. No published designs name it yet.
How we find designsEighteen Sound’s suggested box
From Eighteen Sound’s 15NLW9500 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 15NLW9500. Clear differences are green when better and red when worse.
This driver15NLW9500
Best price
£376.79
Fs
35 Hz
Qts
0.32
Vas
163 L
BL
21.6 T·m
Xmax
9 mm
Sensitivity
95.2 dB
Power
1000 W
B&C15CL76
£127.74 · 66% less, betterFs42 Hz +20%, worse
Qts0.33 +3%
Vas135 L −17%, better
BL21 T·m –
Xmax7 mm −22%, worse
Sensitivity96.7 dB +1.5
SB AudienceROSSO-15W400
£134.56 · 64% less, betterFs44 Hz +26%, worse
Qts0.33 +3%
Vas140.1 L −14%, better
BL21.5 T·m –
Xmax8.3 mm −8%
Sensitivity97.5 dB +2.3, better
SB AudienceROSSO-15MW500
£173.91 · 54% less, betterFs42 Hz +20%, worse
Qts0.33 +3%
Vas121.3 L −26%, better
BL23.2 T·m +7%
Xmax8.4 mm −7%
Sensitivity96.1 dB +0.9
BMS15S330
£194.97 · 48% less, betterFs39 Hz +11%, worse
Qts0.32 –
Vas152 L −7%
BL23 T·m +6%
Xmax8 mm −11%, worse
Sensitivity96.3 dB +1.1
FaitalPRO15FH530
£200.12 · 47% less, betterFs39 Hz +11%, worse
Qts0.35 +9%
Vas140.6 L −14%, better
BL20.7 T·m −4%
Xmax9.3 mm –
Sensitivity95.7 dB +0.5
Beyma15MCB700
£207.83 · 45% less, betterFs44 Hz +26%, worse
Qts0.34 +6%
Vas148 L −9%
BL20 T·m −7%
Xmax7 mm −22%, worse
Sensitivity97.5 dB +2.3, better
FaitalPRO15FH500
£208.49 · 45% less, betterFs35 Hz –
Qts0.31 −3%
Vas199.2 L +22%, worse
BL19.2 T·m −11%, worse
Xmax9.3 mm –
Sensitivity96.3 dB +1.1
Precision DevicesPD.154C001
£219.00 · 42% less, betterFs45 Hz +29%, worse
Qts0.31 –
Vas128 L −21%, better
BL25.5 T·m +18%, better
Xmax8.2 mm −9%
Sensitivity97.4 dB +2.2, better
B&C15NDL88
£225.24 · 40% less, betterFs45 Hz +29%, worse
Qts0.34 +6%
Vas126 L −23%, better
BL20.1 T·m −7%
Xmax8 mm −11%, worse
Sensitivity97.1 dB +1.9
Sica15 PF 3
£234.41 · 38% less, betterFs45 Hz +29%, worse
Qts0.31 −3%
Vas117.6 L −28%, better
BL21.9 T·m –
Xmax8 mm −11%, worse
Sensitivity97.1 dB +1.9
Eighteen Sound15NW530
£243.16 · 35% less, betterFs43 Hz +23%, worse
Qts0.33 +3%
Vas154 L −6%
BL22 T·m –
Xmax7.5 mm −17%, worse
Sensitivity97.5 dB +2.3, better
FaitalPRO15FX560
£245.00 · 35% less, betterFs38 Hz +9%
Qts0.30 −6%
Vas159 L –
BL21.5 T·m –
Xmax9.4 mm +5%
Sensitivity96.5 dB +1.3
Eighteen Sound15LW1410
£254.65 · 32% less, betterFs47 Hz +34%, worse
Qts0.34 +6%
Vas90.4 L −45%, better
BL24.1 T·m +12%, better
Xmax8.8 mm –
Sensitivity96.3 dB +1.1
Eighteen Sound15LW2400
£262.08 · 30% less, betterFs40 Hz +14%, worse
Qts0.30 −6%
Vas131 L −20%, better
BL24 T·m +11%, better
Xmax10 mm +11%, better
Sensitivity96.2 dB +1
Sica15 S 4 PL
£300.59 · 20% less, betterFs40 Hz +13%, worse
Qts0.32 –
Vas127.6 L −22%, better
BL22.5 T·m +4%
Xmax10 mm +11%, better
Sensitivity95.8 dB +0.6
Dayton AudioRSS390HO-4
£301.43 · 20% less, betterFs22 Hz −39%, better
Qts0.32 –
Vas168 L +3%
BL19.8 T·m −8%
Xmax12 mm +33%, better
Sensitivity88.8 dB −6.4, worse
Eighteen Sound15LW1500
£315.00 · 16% less, betterFs34 Hz –
Qts0.28 −12%, better
Vas195 L +20%, worse
BL22.1 T·m –
Xmax9 mm –
Sensitivity96.2 dB +1
FaitalPRO15HX500
£426.19 · 13% more, worseFs40 Hz +14%, worse
Qts0.28 −12%, better
Vas150.1 L −8%
BL22.2 T·m –
Xmax9.4 mm +4%
Sensitivity97.2 dB +2, better
B&C15CXN88
£494.86 · 31% more, worseFs47 Hz +34%, worse
Qts0.30 −6%
Vas124 L −24%, better
BL20.1 T·m −7%
Xmax9.5 mm +6%
Sensitivity98.2 dB +3, better
FaneCOLOSSUS 15XB
No current priceFs38 Hz +9%
Qts0.32 –
Vas168 L +3%
BL22.1 T·m –
Xmax7.5 mm −17%, worse
Sensitivity96.4 dB +1.2
Oberton15NXL701
No current priceFs43 Hz +24%, worse
Qts0.30 −6%
Vas127.1 L −22%, better
BL21.7 T·m –
Xmax9.3 mm –
Sensitivity97.3 dB +2.1, better
Eighteen Sound15NTLW2500
No current priceFs45 Hz +29%, worse
Qts0.30 −6%
Vas143 L −12%, better
BL21.2 T·m –
Xmax8 mm −11%, worse
Sensitivity98.3 dB +3.1, better
Oberton15MB500
No current priceFs42 Hz +19%, worse
Qts0.34 +6%
Vas161.5 L –
BL18.5 T·m −14%, worse
Xmax7.8 mm −14%, worse
Sensitivity97.2 dB +2, better
Eighteen Sound15ND940
No current priceFs38 Hz +9%
Qts0.28 −12%, better
Vas174 L +7%
BL21.9 T·m –
Xmax9.5 mm +6%
Sensitivity97.2 dB +2, better
CelestionFTR15-4080FD
No current priceFs35 Hz –
Qts0.28 −13%, better
Vas164.3 L –
BL23.1 T·m +7%
Xmax8.5 mm −6%
Sensitivity95.9 dB +0.7
CelestionFTR15-4080HDX
No current priceFs40 Hz +14%, worse
Qts0.32 –
Vas111.2 L −32%, better
BL23.1 T·m +7%
Xmax10.1 mm +12%, better
Sensitivity95 dB –
Sica15 PNS 4
No current priceFs37 Hz +7%
Qts0.35 +9%
Vas116.3 L −29%, better
BL22.7 T·m +5%
Xmax9 mm –
Sensitivity94 dB −1.2
PeerlessNCP-1540R01-08
No current priceFs54 Hz +54%, worse
Qts0.32 –
Vas86.5 L −47%, better
BL23.9 T·m +11%, better
Xmax8.2 mm −9%
Sensitivity98.2 dB +3, better
BMS15N830V2
No current priceFs37 Hz +6%
Qts0.27 −16%, better
Vas159 L –
BL22.4 T·m +4%
Xmax8 mm −11%, worse
Sensitivity96.5 dB +1.3
Oberton15NMB500
No current priceFs45 Hz +28%, worse
Qts0.29 −9%
Vas128.0 L −22%, better
BL21.3 T·m –
Xmax7.8 mm −14%, worse
Sensitivity97.9 dB +2.7, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.0 out of 55 ratings · Checked 25 Oct 2026Read reviews on Thomann
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Business | £385.21, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £385.21 | 2 in stock | Visit shop at Lean Audio | |
Thomann | £479.00 | 24% above the lowest price | Out of stock | Visit shop at Thomann |
Best price over time
Tracked since 1 Apr
Recent changes
- 19 JunThomann£491.00 → £492.00Up 0.2% from £491.00