15-inch LF driver · 450 W
Eighteen Sound 15ND830 8Ω
38–5000 Hz
£239.90
SteadyLean Business · All 4 offers
- Fs
- 39Hz
- Xmax
- 6.5mm
- SPL
- 98dB
- Pe
- 450W
- BL
- 18T·m
- Vd
- 553cm³
- Qts
- 0.32
- Vas
- 213L
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 confidence1,133 selected pixels of 1,133
Published graphs
Eighteen Sound 15ND830 is a 15-inch 8 ohm LF driver rated at 450 W RMS. The validated T/S data includes Fs 39 Hz, Qts 0.32, Vas 213 L, Xmax 6.5 mm, sensitivity 97.6 dB, plus 553 cm³ Vd and 111 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 £239.90.
The published T/S values agree with each other
Thiele/Small
- Fs
- 39Hz
- Qts
- 0.32
- Qes
- 0.35
- Qms
- 3.9
- Vas
- 213L
- Re
- 5.7Ω
- Le
- 1.54mH
Motor and cone
- BL
- 18T·m
- Sd
- 850cm²
- Mms
- 80g
- Xmax
- 6.5mm
- Vd †
- 553cm³
Power and response
- Sensitivity †
- 97.6dB
- Manufacturer sensitivity
- 98dB
- Power
- 450W
- Nominal power
- 450W
- Impedance
- 8Ω
- Range
- 38–5000Hz
- EBP †
- 111 · Leans vented
Size and mounting
- Diameter
- 387mm
- Cutout
- 353mm
- Bolt circle
- 370mm
- Depth
- 177mm
- Weight
- 4.6kg
Other published values
- Power Program
- 700
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 15″
- BL
- 18T·m
- Fs
- 39Hz
- Le
- 1.54mH
- Re
- 5.7Ω
- Sd
- 850cm²
- Mms
- 80g
- Qes
- 0.35
- Qms
- 3.9
- Qts
- 0.32
- SPL
- 97.6dB
- Vas
- 213L
- Xmax
- 6.5mm
- Power
- 450W
- Impedance
- 8Ω
- Sensitivity
- 98dB
- Low limit
- 38Hz
- Nominal power
- 450W
- Power Program
- 700
- Calculated sensitivity †
- 97.6dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 98dB
- Weight
- 4.6kg
- Diameter
- 387mm
- Depth
- 177mm
- Cutout
- 353mm
- Bolt circle
- 370mm
02
Designs
Cabinets for the 15ND830: a design and a suggested box from Eighteen Sound.
All 15ND830 designsHow we find designsEighteen Sound’s design
From the maker, with plans to download
Eighteen Sound’s suggested box
From Eighteen Sound’s 15ND830 page
- Net volume
- 110L
- Tuning
- 42Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 15ND830. Clear differences are green when better and red when worse.
This driver15ND830
Best price
£239.90
Fs
39 Hz
Qts
0.32
Vas
213 L
BL
18 T·m
Xmax
6.5 mm
Sensitivity
97.6 dB
Power
450 W
B&C15CL76
£127.74 · 47% less, betterFs42 Hz +8%
Qts0.33 +3%
Vas135 L −37%, better
BL21 T·m +17%, better
Xmax7 mm +8%
Sensitivity96.7 dB −0.9
Beyma15WRS400
£150.88 · 37% less, betterFs36 Hz −8%
Qts0.33 +3%
Vas236 L +11%, worse
BL18.2 T·m –
Xmax6.3 mm −3%
Sensitivity97 dB −0.6
£152.00 · 37% less, better
Fs40 Hz –
Qts0.37 +16%, worse
Vas188 L −12%, better
BL19.7 T·m +9%
Xmax6.9 mm +6%
Sensitivity97 dB −0.6
Beyma15WR400
£165.43 · 31% less, betterFs36 Hz −8%
Qts0.30 −6%
Vas236 L +11%, worse
BL19.2 T·m +7%
Xmax6.3 mm −3%
Sensitivity97.5 dB –
FaitalPRO15PR450
£165.79 · 31% less, betterFs35 Hz −10%, better
Qts0.35 +9%
Vas235.6 L +11%, worse
BL16.6 T·m −8%
Xmax6 mm −8%
Sensitivity96.4 dB −1.2
EminenceKAPPA PRO-15LF
£166.34 · 31% less, betterFs35 Hz −10%, better
Qts0.30 −6%
Vas198.8 L −7%
BL21.6 T·m +20%, better
Xmax6.7 mm +3%
Sensitivity96.3 dB −1.3
FaitalPRO15PR400
£166.62 · 31% less, betterFs35 Hz −10%, better
Qts0.32 –
Vas248.9 L +17%, worse
BL16.7 T·m −7%
Xmax5.8 mm −12%, worse
Sensitivity97 dB −0.6
EminenceOMEGA PRO-15A
£168.30 · 30% less, betterFs33 Hz −15%, better
Qts0.32 –
Vas258.5 L +21%, worse
BL17.5 T·m –
Xmax4.8 mm −26%, worse
Sensitivity96.5 dB −1.1
Eighteen Sound15MB700
£174.30 · 27% less, betterFs42 Hz +8%
Qts0.29 −9%
Vas202 L −5%
BL17.6 T·m –
Xmax5.5 mm −15%, worse
Sensitivity98.9 dB +1.3
Eighteen Sound15W700
£177.51 · 26% less, betterFs38 Hz –
Qts0.30 −6%
Vas217 L –
BL18.4 T·m –
Xmax6.5 mm –
Sensitivity97.6 dB –
Beyma15MCB700
£207.83 · 13% less, betterFs44 Hz +13%, worse
Qts0.34 +6%
Vas148 L −31%, better
BL20 T·m +11%, better
Xmax7 mm +8%
Sensitivity97.5 dB –
B&C15CXN76
£396.97 · 65% more, worseFs38 Hz –
Qts0.28 −12%, better
Vas246 L +15%, worse
BL17.8 T·m –
Xmax6 mm −8%
Sensitivity98.6 dB +1
B&C15HCX76
£399.49 · 67% more, worseFs38 Hz –
Qts0.28 −12%, better
Vas246 L +15%, worse
BL17.8 T·m –
Xmax6 mm −8%
Sensitivity98.6 dB +1
Beyma15CXA400ND
£401.87 · 68% more, worseFs40 Hz –
Qts0.36 +12%, worse
Vas196 L −8%
BL19 T·m +6%
Xmax6 mm −8%
Sensitivity97.1 dB −0.5
CelestionTF1530E
No current priceFs44 Hz +12%, worse
Qts0.33 –
Vas191.6 L −10%, better
BL17.0 T·m −5%
Xmax6.5 mm –
Sensitivity98.3 dB +0.7
Oberton15NMB35
No current priceFs39 Hz –
Qts0.34 +5%
Vas177.5 L −17%, better
BL18.5 T·m –
Xmax6.8 mm +4%
Sensitivity96.8 dB −0.8
Eighteen Sound15NMB420
No current priceFs42 Hz +8%
Qts0.29 −9%
Vas225 L +6%
BL19 T·m +6%
Xmax6.5 mm –
Sensitivity99.5 dB +1.9
No current price
Fs38 Hz –
Qts0.35 +10%
Vas201 L −6%
BL17.5 T·m –
Xmax6 mm −8%
Sensitivity96.5 dB −1.1
Sica15 FE 3 CP
No current priceFs40 Hz +3%
Qts0.33 +3%
Vas170.4 L −20%, better
BL19.1 T·m +6%
Xmax5.5 mm −15%, worse
Sensitivity97.2 dB –
Oberton15CX
No current priceFs38 Hz –
Qts0.35 +9%
Vas163.8 L −23%, better
BL18.4 T·m –
Xmax7 mm +8%
Sensitivity95.9 dB −1.7
Acoustic EleganceTD15M-8
No current priceFs35 Hz −11%, better
Qts0.33 +3%
Vas312 L +46%, worse
BL17 T·m −6%
Xmax6 mm −8%
Sensitivity97.7 dB –
Oberton15HCX3572
No current priceFs46 Hz +19%, worse
Qts0.34 +6%
Vas140.7 L −34%, better
BL18.8 T·m +4%
Xmax7.3 mm +12%, better
Sensitivity98 dB –
Oberton15HCX
No current priceFs41 Hz +4%
Qts0.30 −6%
Vas205.5 L −4%
BL17.1 T·m −5%
Xmax7.8 mm +19%, better
Sensitivity98.5 dB +0.9
Eighteen Sound15W600
No current priceFs38 Hz –
Qts0.29 −9%
Vas183 L −14%, better
BL20.5 T·m +14%, better
Xmax6.5 mm –
Sensitivity97.3 dB –
Beyma15XA38ND
No current priceFs38 Hz –
Qts0.30 −6%
Vas238 L +12%, worse
BL20.4 T·m +13%, better
Xmax6 mm −8%
Sensitivity98.3 dB +0.7
Oberton15MB500
No current priceFs42 Hz +6%
Qts0.34 +6%
Vas161.5 L −24%, better
BL18.5 T·m –
Xmax7.8 mm +19%, better
Sensitivity97.2 dB –
Supravox380-2000 EXC LC
No current priceFs31 Hz −20%, better
Qts0.34 +7%
Vas300.8 L +41%, worse
BL17.3 T·m −4%
Xmax7 mm +8%
Sensitivity96 dB −1.6
Oberton15MB35
No current priceFs48 Hz +22%, worse
Qts0.34 +5%
Vas115.1 L −46%, better
BL20.1 T·m +12%, better
Xmax6.8 mm +4%
Sensitivity97.6 dB –
LavoceNBASS15-30
No current priceFs42 Hz +8%
Qts0.36 +12%, worse
Vas143.1 L −33%, better
BL19.2 T·m +7%
Xmax6.6 mm –
Sensitivity96.5 dB −1.1
MonacorSP-15A/402PA
No current priceFs36 Hz −8%
Qts0.31 −3%
Vas235 L +10%, worse
BL19.9 T·m +11%, better
Xmax5 mm −23%, worse
Sensitivity97.2 dB –
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 | £239.90, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £274.56 | 14% above the lowest price | 2 in stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr