- Net volume
- 30L
- Tuning
- 65Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
12-inch LF driver · 600 W
Eighteen Sound 12MB1000 8Ω
8 Ω · 80–3500 Hz
- Fs
- 54Hz
- Xmax
- 2.5mm
- SPL
- 99dB
- Pe
- 600W
- BL
- 23.5T·m
- Vd
- 133cm³
- Qts
- 0.18
- Vas
- 60L
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 confidence7,250 selected pixels of 7,250
Published graphs
Eighteen Sound 12MB1000 is a 12-inch 8 ohm LF driver rated at 600 W RMS. The validated T/S data includes Fs 54 Hz, Qts 0.18, Vas 60 L, Xmax 2.5 mm, sensitivity 98.8 dB, plus 133 cm³ Vd and 270 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 £204.35.
The published T/S values agree with each other
Thiele/Small
- Fs
- 54Hz
- Qts
- 0.18
- Qes
- 0.20
- Qms
- 6
- Vas
- 60L
- Re
- 5.8Ω
- Le
- 1.46mH
Motor and cone
- BL
- 23.5T·m
- Sd
- 531cm²
- Mms
- 56g
- Xmax
- 2.5mm
- Vd †
- 133cm³
Power and response
- Sensitivity †
- 98.8dB
- Manufacturer sensitivity
- 102dB
- Power
- 600W
- Nominal power
- 600W
- Impedance
- 8Ω
- Range
- 80–3500Hz
- EBP †
- 270 · Leans vented
Size and mounting
- Diameter
- 315mm
- Cutout
- 282mm
- Bolt circle
- 298mm
- Depth
- 118mm
- Weight
- 9.6kg
Other published values
- Power Program
- 800
Sensitivity shows 98.8 dB, calculated from the T/S values. Eighteen Sound publishes 102.0 dB, 3.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 12″
- BL
- 23.5T·m
- Fs
- 54Hz
- Le
- 1.46mH
- Re
- 5.8Ω
- Sd
- 531cm²
- Mms
- 56g
- Qes
- 0.20
- Qms
- 6
- Qts
- 0.18
- SPL
- 98.8dB
- Vas
- 60L
- Xmax
- 2.5mm
- Power
- 600W
- Impedance
- 8Ω
- Sensitivity
- 102dB
- Low limit
- 80Hz
- Nominal power
- 600W
- Power Program
- 800
- Calculated sensitivity †
- 98.8dB
- High limit
- 3500Hz
- Manufacturer sensitivity
- 102dB
- Weight
- 9.6kg
- Diameter
- 315mm
- Depth
- 118mm
- Cutout
- 282mm
- Bolt circle
- 298mm
02
Designs
What Eighteen Sound suggests for the 12MB1000. No published designs name it yet.
How we find designsEighteen Sound’s suggested box
From Eighteen Sound’s 12MB1000 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 12MB1000. Clear differences are green when better and red when worse.
This driver12MB1000
Best price
£204.35
Fs
54 Hz
Qts
0.18
Vas
60 L
BL
23.5 T·m
Xmax
2.5 mm
Sensitivity
98.8 dB
Power
600 W
B&C12PE32
£112.33 · 45% less, betterFs51 Hz −6%
Qts0.18 –
Vas101 L +68%, worse
BL19.1 T·m −19%, worse
Xmax2.8 mm +12%, better
Sensitivity100.5 dB +1.7
B&C12CL76
£136.00 · 33% less, betterFs48 Hz −11%, better
Qts0.21 +17%, worse
Vas59 L –
BL22.4 T·m −5%
Xmax6 mm +140%, better
Sensitivity96.8 dB −2, worse
B&C12MH32
£137.65 · 33% less, betterFs53 Hz –
Qts0.19 +6%
Vas63 L +5%
BL22.3 T·m −5%
Xmax5 mm +100%, better
Sensitivity98.7 dB –
PRV Audio12MR1200X
£149.54 · 27% less, betterFs53 Hz –
Qts0.21 +17%, worse
Vas71.8 L +20%, worse
BL22 T·m −6%
Xmax4.5 mm +80%, better
Sensitivity99 dB –
B&C12FW76
£149.88 · 27% less, betterFs54 Hz –
Qts0.18 –
Vas45 L −25%, better
BL26.4 T·m +12%, better
Xmax7 mm +180%, better
Sensitivity98 dB −0.8
Beyma12MI100
£153.44 · 25% less, betterFs58 Hz +7%
Qts0.22 +22%, worse
Vas64 L +7%
BL21.6 T·m −8%
Xmax3 mm +20%, better
Sensitivity99.4 dB +0.6
B&C12NDL76
£165.79 · 19% less, betterFs50 Hz −7%
Qts0.20 +11%, worse
Vas73 L +22%, worse
BL20.1 T·m −14%, worse
Xmax7 mm +180%, better
Sensitivity98.4 dB –
Precision DevicesPD.121/2
£168.00 · 18% less, betterFs53 Hz –
Qts0.23 +28%, worse
Vas66.6 L +11%, worse
BL21.5 T·m −9%
Xmax2.7 mm +8%
Sensitivity98.4 dB –
B&C12NW76
£200.12 · 2% lessFs40 Hz −26%, better
Qts0.16 −11%, better
Vas76 L +27%, worse
BL25.5 T·m +9%
Xmax8 mm +220%, better
Sensitivity96.6 dB −2.2, worse
BMS12S320
£204.98 · Same priceFs45 Hz −16%, better
Qts0.20 +11%, worse
Vas69.5 L +16%, worse
BL23.3 T·m –
Xmax4.5 mm +80%, better
Sensitivity96.9 dB −1.9
REDCATT121NPM
£209.29 · 2% moreFs50 Hz −7%
Qts0.16 −11%, better
Vas59.2 L –
BL27.8 T·m +18%, better
Xmax1.5 mm −40%, worse
Sensitivity98.7 dB –
Sica12 F 4 CP
£216.86 · 6% more, worseFs46 Hz −15%, better
Qts0.20 +11%, worse
Vas52 L −13%, better
BL26.0 T·m +11%, better
Xmax6 mm +140%, better
Sensitivity95.8 dB −3, worse
RCFMB12N351
£225.00 · 10% more, worseFs55 Hz –
Qts0.20 +11%, worse
Vas61 L –
BL22.5 T·m −4%
Xmax6 mm +140%, better
Sensitivity98.9 dB –
BMS12C262
£228.36 · 12% more, worseFs47 Hz −12%, better
Qts0.24 +33%, worse
Vas60.6 L –
BL20.6 T·m −12%, worse
Xmax2.5 mm –
Sensitivity96.1 dB −2.7, worse
Beyma12P80FE
£247.64 · 21% more, worseFs48 Hz −11%, better
Qts0.21 +17%, worse
Vas61 L –
BL23 T·m –
Xmax7.5 mm +200%, better
Sensitivity96.9 dB −1.9
Eighteen Sound12ND930
£248.59 · 22% more, worseFs50 Hz −7%
Qts0.21 +17%, worse
Vas70 L +17%, worse
BL21.2 T·m −10%
Xmax6.5 mm +160%, better
Sensitivity98 dB −0.8
Eighteen Sound12NMB1000
£252.00 · 23% more, worseFs54 Hz –
Qts0.19 +6%
Vas58 L −3%
BL24.4 T·m +4%
Xmax3.5 mm +40%, better
Sensitivity98.8 dB –
B&C12NW100
£256.00 · 25% more, worseFs42 Hz −22%, better
Qts0.20 +11%, worse
Vas44 L −27%, better
BL28 T·m +19%, better
Xmax9 mm +260%, better
Sensitivity93.9 dB −4.9, worse
BMS12C362
£287.08 · 40% more, worseFs46 Hz −15%, better
Qts0.20 +11%, worse
Vas60.6 L –
BL23.2 T·m –
Xmax4.5 mm +80%, better
Sensitivity96.7 dB −2.1, worse
BMS12N810
£315.78 · 55% more, worseFs41 Hz −25%, better
Qts0.16 −11%, better
Vas89.6 L +49%, worse
BL24.5 T·m +4%
Xmax2.5 mm –
Sensitivity97.5 dB −1.3
Beyma12P80ND
£375.61 · 84% more, worseFs47 Hz −13%, better
Qts0.19 +6%
Vas65 L +8%
BL23.7 T·m –
Xmax7.5 mm +200%, better
Sensitivity97.3 dB −1.5
Eighteen Sound12ND940
No current priceFs49 Hz −9%
Qts0.20 +11%, worse
Vas64.8 L +8%
BL22.2 T·m −6%
Xmax7.6 mm +204%, better
Sensitivity97.8 dB −1
RCFMB12N405
No current priceFs52 Hz −4%
Qts0.20 +11%, worse
Vas53 L −12%, better
BL23.5 T·m –
Xmax7 mm +180%, better
Sensitivity97.5 dB −1.3
Oberton12NB400
No current priceFs44 Hz −19%, better
Qts0.18 –
Vas70.5 L +17%, worse
BL20.3 T·m −13%, worse
Xmax5.3 mm +110%, better
Sensitivity97.1 dB −1.7
RCFCX12N351
No current priceFs58 Hz +7%
Qts0.20 +11%, worse
Vas47 L −22%, better
BL25 T·m +6%
Xmax6 mm +140%, better
Sensitivity98.4 dB –
Oberton12NB450
No current priceFs46 Hz −14%, better
Qts0.20 +13%, worse
Vas72.6 L +21%, worse
BL20.3 T·m −13%, worse
Xmax7.8 mm +210%, better
Sensitivity97.5 dB −1.3
Eighteen Sound12MB710
No current priceFs46 Hz −15%, better
Qts0.20 +11%, worse
Vas81 L +35%, worse
BL20.5 T·m −13%, worse
Xmax5 mm +100%, better
Sensitivity98 dB −0.8
Eighteen Sound12MB720
No current priceFs46 Hz −15%, better
Qts0.20 +11%, worse
Vas81 L +35%, worse
BL20.5 T·m −13%, worse
Xmax5 mm +100%, better
Sensitivity98 dB −0.8
Eighteen Sound12MB810
No current priceFs46 Hz −15%, better
Qts0.20 +11%, worse
Vas81 L +35%, worse
BL20.5 T·m −13%, worse
Xmax5 mm +100%, better
Sensitivity98 dB −0.8
Oberton12NXL400
No current priceFs49 Hz −10%
Qts0.20 +13%, worse
Vas79.2 L +32%, worse
BL20.6 T·m −12%, worse
Xmax5.3 mm +110%, better
Sensitivity98.5 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.9 out of 518 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 | £204.35, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £206.15 | 0.9% above the lowest price | 1 in stock | Visit shop at Lean Audio |
Thomann | £236.00 | 16% above the lowest price | In stock | Visit shop at Thomann |
Best price over time
Tracked since 1 Apr
Recent changes
- 19 OctThomann£237.00 → £236.00Down 0.4% from £237.00
- 11 OctThomann£238.00 → £237.00Down 0.4% from £238.00
- 3 OctThomann£240.00 → £238.00Down 0.8% from £240.00