- Net volume
- 60L
- Tuning
- 50Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
12-inch LF driver · 400 W
Eighteen Sound 12ND730 8Ω
8 Ω · 53–5000 Hz
£230.40
SteadyLean Business · All 3 offers
- Fs
- 45Hz
- Xmax
- 6.5mm
- SPL
- 97dB
- Pe
- 400W
- BL
- 19.2T·m
- Vd
- 345cm³
- Qts
- 0.23
- Vas
- 90L
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
impedance
Impedance response
240 plotted pointsMedium confidence944 selected pixels of 944
Published graphs
Eighteen Sound 12ND730 is a 12-inch 8 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 45 Hz, Qts 0.23, Vas 90 L, Xmax 6.5 mm, sensitivity 97.4 dB, plus 345 cm³ Vd and 188 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 £230.40.
The published T/S values agree with each other
Thiele/Small
- Fs
- 45Hz
- Qts
- 0.23
- Qes
- 0.24
- Qms
- 5.1
- Vas
- 90L
- Re
- 5.6Ω
- Le
- 1.73mH
Motor and cone
- BL
- 19.2T·m
- Sd
- 531cm²
- Mms
- 55g
- Xmax
- 6.5mm
- Vd †
- 345cm³
Power and response
- Sensitivity †
- 97.4dB
- Manufacturer sensitivity
- 98dB
- Power
- 400W
- Nominal power
- 400W
- Impedance
- 8Ω
- Range
- 53–5000Hz
- EBP †
- 188 · Leans vented
Size and mounting
- Diameter
- 315mm
- Cutout
- 282mm
- Bolt circle
- 296mm
- Depth
- 132mm
- Weight
- 3.8kg
Other published values
- Power Program
- 600
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 12″
- BL
- 19.2T·m
- Fs
- 45Hz
- Le
- 1.73mH
- Re
- 5.6Ω
- Sd
- 531cm²
- Mms
- 55g
- Qes
- 0.24
- Qms
- 5.1
- Qts
- 0.23
- SPL
- 97.4dB
- Vas
- 90L
- Xmax
- 6.5mm
- Power
- 400W
- Impedance
- 8Ω
- Sensitivity
- 98dB
- Low limit
- 53Hz
- Nominal power
- 400W
- Power Program
- 600
- Calculated sensitivity †
- 97.4dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 98dB
- Weight
- 3.8kg
- Diameter
- 315mm
- Depth
- 132mm
- Cutout
- 282mm
- Bolt circle
- 296mm
02
Designs
What Eighteen Sound suggests for the 12ND730. No published designs name it yet.
How we find designsEighteen Sound’s suggested box
From Eighteen Sound’s 12ND730 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 12ND730. Clear differences are green when better and red when worse.
This driver12ND730
Best price
£230.40
Fs
45 Hz
Qts
0.23
Vas
90 L
BL
19.2 T·m
Xmax
6.5 mm
Sensitivity
97.4 dB
Power
400 W
SB AudienceROSSO-12MW300
£106.55 · 54% less, betterFs48 Hz +7%
Qts0.27 +17%, worse
Vas85.9 L −5%
BL17.4 T·m −9%
Xmax6.7 mm –
Sensitivity97.3 dB –
RCFLF12G301
£109.81 · 52% less, betterFs43 Hz −4%
Qts0.22 −4%
Vas97 L +8%
BL19 T·m –
Xmax7 mm +8%
Sensitivity97.3 dB –
B&C12HPL76
£135.13 · 41% less, betterFs49 Hz +9%
Qts0.25 +9%
Vas91 L –
BL17.3 T·m −10%
Xmax4 mm −38%, worse
Sensitivity98.2 dB +0.8
Beyma12WR400
£142.43 · 38% less, betterFs42 Hz −7%
Qts0.27 +17%, worse
Vas91 L –
BL18 T·m −6%
Xmax6.3 mm −3%
Sensitivity95.8 dB −1.6
B&C12PLB76
£149.88 · 35% less, betterFs50 Hz +11%, worse
Qts0.23 –
Vas75 L −17%, better
BL18.6 T·m −3%
Xmax5 mm −23%, worse
Sensitivity97.9 dB +0.5
FaitalPRO12FH510
£163.54 · 29% less, betterFs45 Hz –
Qts0.24 +4%
Vas81.3 L −10%
BL18.9 T·m –
Xmax7.5 mm +15%, better
Sensitivity96.7 dB −0.7
B&C12NDL76
£165.79 · 28% less, betterFs50 Hz +11%, worse
Qts0.20 −13%, better
Vas73 L −19%, better
BL20.1 T·m +5%
Xmax7 mm +8%
Sensitivity98.4 dB +1
FaitalPRO12FH530
£175.00 · 24% less, betterFs45 Hz –
Qts0.26 +13%, worse
Vas74.1 L −18%, better
BL18.9 T·m –
Xmax7.5 mm +15%, better
Sensitivity96 dB −1.4
FaitalPRO12FH500
£180.28 · 22% less, betterFs45 Hz –
Qts0.25 +9%
Vas87.3 L −3%
BL17.5 T·m −9%
Xmax7.5 mm +15%, better
Sensitivity96.9 dB −0.5
RCFMB12N301
£183.23 · 20% less, betterFs54 Hz +20%, worse
Qts0.24 +4%
Vas71 L −21%, better
BL19 T·m –
Xmax6 mm −8%
Sensitivity98.4 dB +1
BMS12S330
£204.98 · 11% less, betterFs29 Hz −36%, better
Qts0.24 +4%
Vas85.5 L −5%
BL23 T·m +20%, better
Xmax8 mm +23%, better
Sensitivity91.1 dB −6.3, worse
Beyma12MC700ND
£209.29 · 9% less, betterFs51 Hz +13%, worse
Qts0.24 +4%
Vas58 L −36%, better
BL21.6 T·m +13%, better
Xmax7 mm +8%
Sensitivity96.7 dB −0.7
BMS12N620
£247.26 · 7% more, worseFs45 Hz –
Qts0.25 +9%
Vas72.7 L −19%, better
BL20.6 T·m +7%
Xmax5.5 mm −15%, worse
Sensitivity96 dB −1.4
Eighteen Sound12ND930
£248.59 · 8% more, worseFs50 Hz +11%, worse
Qts0.21 −9%
Vas70 L −22%, better
BL21.2 T·m +10%, better
Xmax6.5 mm –
Sensitivity98 dB +0.6
BMS12N803
£285.67 · 24% more, worseFs41 Hz −9%
Qts0.24 +4%
Vas77 L −14%, better
BL21.4 T·m +11%, better
Xmax6 mm −8%
Sensitivity95.3 dB −2.1, worse
Beyma12CXA400ND
£349.99 · 52% more, worseFs45 Hz –
Qts0.25 +9%
Vas88.5 L –
BL21.4 T·m +11%, better
Xmax6 mm −8%
Sensitivity96.9 dB −0.5
LavoceCAN123.00T
£401.07 · 74% more, worseFs46 Hz –
Qts0.22 −4%
Vas91 L –
BL18.5 T·m −4%
Xmax6 mm −8%
Sensitivity97.9 dB +0.5
Eighteen Sound12MB650
No current priceFs48 Hz +7%
Qts0.23 –
Vas90 L –
BL19 T·m –
Xmax5.5 mm −15%, worse
Sensitivity98.2 dB +0.8
LavoceCAN123.00TH
No current priceFs46 Hz –
Qts0.22 −4%
Vas91 L –
BL18.5 T·m −4%
Xmax6 mm −8%
Sensitivity97.9 dB +0.5
RCFLF12G801
No current priceFs43 Hz −4%
Qts0.22 −4%
Vas97 L +8%
BL19 T·m –
Xmax7 mm +8%
Sensitivity97.3 dB –
RCFLF12P901
No current priceFs43 Hz −4%
Qts0.22 −4%
Vas97 L +8%
BL19 T·m –
Xmax7 mm +8%
Sensitivity97.3 dB –
Beyma12CXA400FE
No current priceFs42 Hz −7%
Qts0.25 +9%
Vas94 L +4%
BL19.8 T·m +3%
Xmax6 mm −8%
Sensitivity96.3 dB −1.1
Oberton12B401
No current priceFs47 Hz +4%
Qts0.24 +7%
Vas69.6 L −23%, better
BL19.9 T·m +4%
Xmax6.8 mm +4%
Sensitivity96.5 dB −0.9
Oberton12B450
No current priceFs46 Hz –
Qts0.23 –
Vas71.8 L −20%, better
BL19.3 T·m –
Xmax7.8 mm +19%, better
Sensitivity96.7 dB −0.7
RCFLF12P903
No current priceFs47 Hz +4%
Qts0.23 –
Vas65 L −28%, better
BL22.1 T·m +15%, better
Xmax7 mm +8%
Sensitivity96.5 dB −0.9
No photo
PHL Audio4071-1
No current priceFs47 Hz +4%
Qts0.24 +4%
Vas57.8 L −36%, better
BL20.6 T·m +7%
Xmax6.5 mm –
Sensitivity95.7 dB −1.7
LavoceNBASS12-30
No current priceFs46 Hz –
Qts0.26 +13%, worse
Vas68.6 L −24%, better
BL19.5 T·m –
Xmax6.6 mm –
Sensitivity96 dB −1.4
Oberton12B400
No current priceFs50 Hz +12%, worse
Qts0.25 +8%
Vas74.7 L −17%, better
BL18.4 T·m −4%
Xmax5.3 mm −19%, worse
Sensitivity97.8 dB –
No photo
PHL Audio4330NDU
No current priceFs36 Hz −20%, better
Qts0.22 −4%
Vas82.6 L −8%
BL22 T·m +15%, better
Xmax8 mm +23%, better
Sensitivity94.3 dB −3.1, worse
Precision DevicesPD.124NR1-LR
No current priceFs45 Hz –
Qts0.23 –
Vas78 L −13%, better
BL22 T·m +15%, better
Xmax8.5 mm +31%, better
Sensitivity96.9 dB −0.5
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 | £230.40, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £230.40 | Back order | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr