Eighteen Sound design
12" 2-WAY point source
- Drivers
- 1 × 12NTLW3500, 4 Ω1 × 12NTLW3500, 8 Ωor 12NW350, 4 Ω
Designed with the 4 Ω version.
12-inch LF driver · 900 W
Eighteen Sound 12NTLW3500 8Ω
50–3000 Hz
£297.09
SteadyLean Business · All 4 offers
- Fs
- 53Hz
- Xmax
- 8.3mm
- SPL
- 95dB
- Pe
- 900W
- BL
- 19.5T·m
- Vd
- 441cm³
- Qts
- 0.33
- Vas
- 45L
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 confidence773 selected pixels of 857
Published graphs
Eighteen Sound 12NTLW3500 is a 12-inch 8 ohm LF driver rated at 900 W RMS. The validated T/S data includes Fs 53 Hz, Qts 0.33, Vas 45 L, Xmax 8.3 mm, sensitivity 94.8 dB, plus 441 cm³ Vd and 151 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 £285.52.
The published T/S values agree with each other
Thiele/Small
- Fs
- 53Hz
- Qts
- 0.33
- Qes
- 0.35
- Qms
- 8
- Vas
- 45L
- Re
- 5.1Ω
- Le
- 0.46mH
Motor and cone
- BL
- 19.5T·m
- Sd
- 531cm²
- Mms
- 80g
- Xmax
- 8.3mm
- Vd †
- 441cm³
Power and response
- Sensitivity †
- 94.8dB
- Manufacturer sensitivity
- 97dB
- Power
- 900W
- Nominal power
- 900W
- Impedance
- 8Ω
- Range
- 50–3000Hz
- EBP †
- 151 · Leans vented
Size and mounting
- Diameter
- 310mm
- Cutout
- 282mm
- Bolt circle
- 295mm
- Depth
- 193mm
- Weight
- 4.7kg
Other published values
- Power Program
- 1800
Sensitivity shows 94.8 dB, calculated from the T/S values. Eighteen Sound publishes 97.0 dB, 2.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 12″
- BL
- 19.5T·m
- Fs
- 53Hz
- Le
- 0.46mH
- Re
- 5.1Ω
- Sd
- 531cm²
- Mms
- 80g
- Qes
- 0.35
- Qms
- 8
- Qts
- 0.33
- SPL
- 94.8dB
- Vas
- 45L
- Xmax
- 8.3mm
- Power
- 900W
- Impedance
- 8Ω
- Sensitivity
- 97dB
- Low limit
- 50Hz
- Nominal power
- 900W
- Power Program
- 1800
- Calculated sensitivity †
- 94.8dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 97dB
- Weight
- 4.7kg
- Diameter
- 310mm
- Depth
- 193mm
- Cutout
- 282mm
- Bolt circle
- 295mm
02
Designs
Cabinets for the 12NTLW3500: a design and a suggested box from Eighteen Sound.
All 12NTLW3500 designsHow we find designsEighteen Sound’s design
From the maker, with plans to download
Eighteen Sound’s suggested box
From Eighteen Sound’s 12NTLW3500 page
- Net volume
- 50L
- Tuning
- 58Hz
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 12NTLW3500. Clear differences are green when better and red when worse.
This driver12NTLW3500
Best price
£285.52
Fs
53 Hz
Qts
0.33
Vas
45 L
BL
19.5 T·m
Xmax
8.3 mm
Sensitivity
94.8 dB
Power
900 W
CelestionFTR12-3070C
£133.13 · 53% less, betterFs65 Hz +23%, worse
Qts0.32 –
Vas43.7 L –
BL18.6 T·m −5%
Xmax5.5 mm −34%, worse
Sensitivity97.3 dB +2.5, better
Beyma12MCS500
£134.74 · 53% less, betterFs57 Hz +8%
Qts0.36 +9%
Vas57 L +27%, worse
BL17.6 T·m −10%
Xmax8 mm −4%
Sensitivity96.5 dB +1.7
PRV Audio12MR2000
£142.06 · 50% less, betterFs57 Hz +8%
Qts0.33 –
Vas52.5 L +17%, worse
BL21.3 T·m +9%
Xmax6.6 mm −20%, worse
Sensitivity96.6 dB +1.8
Beyma12MC500
£150.88 · 47% less, betterFs57 Hz +8%
Qts0.34 +3%
Vas57 L +27%, worse
BL18.3 T·m −6%
Xmax8 mm −4%
Sensitivity96.8 dB +2, better
FaitalPRO12RS550
£158.25 · 45% less, betterFs42 Hz −21%, better
Qts0.37 +12%, worse
Vas45.4 L –
BL20.5 T·m +5%
Xmax9.3 mm +11%, better
Sensitivity91.4 dB −3.4, worse
B&C12FW88
£163.69 · 43% less, betterFs53 Hz –
Qts0.33 –
Vas45.7 L –
BL19.5 T·m –
Xmax8 mm −4%
Sensitivity94.9 dB –
Beyma12LX60V2
£184.93 · 35% less, betterFs49 Hz −8%
Qts0.38 +15%, worse
Vas43 L −4%
BL20 T·m –
Xmax9 mm +8%
Sensitivity93 dB −1.8
FaitalPRO12HP1010
£191.59 · 33% less, betterFs45 Hz −15%, better
Qts0.34 +3%
Vas56.5 L +26%, worse
BL19.8 T·m –
Xmax9.3 mm +11%, better
Sensitivity93.7 dB −1.1
B&C12NDL88
£208.49 · 27% less, betterFs51 Hz −4%
Qts0.27 −18%, better
Vas52 L +16%, worse
BL19.9 T·m –
Xmax8 mm −4%
Sensitivity95.8 dB +1
PRV Audio12MR2000-NDY
£209.39 · 27% less, betterFs54 Hz –
Qts0.34 +3%
Vas48.2 L +7%
BL22.8 T·m +17%, better
Xmax6.2 mm −26%, worse
Sensitivity95.5 dB +0.7
B&C12PLB100
£212.36 · 26% less, betterFs50 Hz −6%
Qts0.37 +12%, worse
Vas47 L +4%
BL18.4 T·m −6%
Xmax9 mm +8%
Sensitivity93.9 dB −0.9
Precision DevicesPD.124NR1
£219.00 · 23% less, betterFs58 Hz +9%
Qts0.35 +6%
Vas49 L +9%
BL19.2 T·m –
Xmax8.5 mm –
Sensitivity96.2 dB +1.4
Eighteen Sound12NW530
£228.40 · 20% less, betterFs55 Hz +4%
Qts0.37 +12%, worse
Vas36 L −20%, better
BL19.7 T·m –
Xmax8 mm −4%
Sensitivity94 dB −0.8
B&C12BG100
£243.10 · 15% less, betterFs39 Hz −26%, better
Qts0.33 –
Vas41 L −9%
BL23 T·m +18%, better
Xmax10.5 mm +27%, better
Sensitivity90.4 dB −4.4, worse
Eighteen Sound12LW1400
£260.72 · 9% less, betterFs45 Hz −15%, better
Qts0.30 −9%
Vas55 L +22%, worse
BL20 T·m –
Xmax8.3 mm –
Sensitivity94 dB −0.8
BMS12N630
£283.85 · Same priceFs29 Hz −46%, better
Qts0.33 –
Vas85.5 L +90%, worse
BL19.8 T·m –
Xmax8 mm −4%
Sensitivity89.6 dB −5.2, worse
Sica12 PNS 4
£359.21 · 26% more, worseFs42 Hz −21%, better
Qts0.31 −6%
Vas50.2 L +12%, worse
BL22.3 T·m +14%, better
Xmax9.5 mm +14%, better
Sensitivity92.6 dB −2.2, worse
Eighteen Sound12NW350
No current priceFs54 Hz –
Qts0.34 +3%
Vas46 L –
BL19.2 T·m –
Xmax8.3 mm –
Sensitivity95.2 dB –
Eighteen Sound12LW801
No current priceFs54 Hz –
Qts0.33 –
Vas41 L −9%
BL20.3 T·m +4%
Xmax8 mm −4%
Sensitivity94.8 dB –
CelestionCF1230F
No current priceFs57 Hz +7%
Qts0.32 −4%
Vas49.6 L +10%, worse
BL18.3 T·m −6%
Xmax7.5 mm −10%
Sensitivity96.2 dB +1.4
PeerlessNCP-1230R01-08
No current priceFs63 Hz +19%, worse
Qts0.37 +12%, worse
Vas46.3 L –
BL18.1 T·m −7%
Xmax7.9 mm −4%
Sensitivity96.7 dB +1.9
CelestionTSQ1230
No current priceFs55 Hz +4%
Qts0.30 −8%
Vas45.2 L –
BL20.5 T·m +5%
Xmax6.8 mm −19%, worse
Sensitivity95.8 dB +1
Oberton12NB601
No current priceFs50 Hz −5%
Qts0.30 −8%
Vas38.7 L −14%, better
BL22.9 T·m +17%, better
Xmax8.8 mm +5%
Sensitivity94 dB −0.8
B&C12FL64
No current priceFs51 Hz −4%
Qts0.32 −3%
Vas50 L +11%, worse
BL20.2 T·m +4%
Xmax5 mm −40%, worse
Sensitivity94.9 dB –
Eighteen Sound12NTLW2500
No current priceFs60 Hz +13%, worse
Qts0.38 +15%, worse
Vas45 L –
BL17.4 T·m −11%, worse
Xmax7.6 mm −8%
Sensitivity96 dB +1.2
Eighteen Sound12NTLX3500
No current priceFs39 Hz −26%, better
Qts0.33 –
Vas79.6 L +77%, worse
BL17.1 T·m −12%, worse
Xmax7.9 mm −5%
Sensitivity93.3 dB −1.5
P.Audio12NT-88MB
No current priceFs55 Hz +4%
Qts0.32 −3%
Vas49.1 L +9%
BL20.9 T·m +7%
Xmax5 mm −40%, worse
Sensitivity95.8 dB +1
PeerlessSDF-300F75PR03-04
No current priceFs27 Hz −49%, better
Qts0.36 +9%
Vas45.5 L –
BL18.7 T·m −4%
Xmax25.2 mm +204%, better
Sensitivity85.9 dB −8.9, worse
Oberton12HCX
No current priceFs53 Hz –
Qts0.33 –
Vas55.5 L +23%, worse
BL17.8 T·m −9%
Xmax5.3 mm −37%, worse
Sensitivity95.6 dB +0.8
No photo
PHL Audio4021
No current priceFs35 Hz −34%, better
Qts0.35 +6%
Vas70 L +56%, worse
BL20.5 T·m +5%
Xmax7.5 mm −10%
Sensitivity91.2 dB −3.6, worse
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 | £297.09, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £297.10 | Back order | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr