B&C12CL76
£124.93 · 26% less, betterFs48 Hz −10%
Qts0.21 −9%
Vas59 L −11%, better
BL22.4 T·m +4%
Xmax6 mm +122%, better
Sensitivity96.8 dB −1.6
12-inch LF driver · PD series · 63 mm voice coil · 300 W
Precision Devices PD.121/2 8Ω
8 Ω · 100–6000 Hz
£168.00
0.6%Thomann · In stock · All 1 offer
- Fs
- 53Hz
- Xmax
- 2.7mm
- SPL
- 98dB
- Pe
- 300W
- BL
- 21.5T·m
- Vd
- 143cm³
- Qts
- 0.23
- Vas
- 67L
Precision Devices PD.121/2 is a 12-inch 8 ohm LF driver rated at 300 W RMS. The validated T/S data includes Fs 53 Hz, Qts 0.23, Vas 66.6 L, Xmax 2.7 mm, sensitivity 98.4 dB, plus 143 cm³ Vd and 232 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 £168.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 53Hz
- Qts
- 0.23
- Qes
- 0.23
- Qms
- 14.7
- Vas
- 66.6L
- Re
- 5.9Ω
Motor and cone
- BL
- 21.5T·m
- Sd
- 531cm²
- Mms
- 65g
- Xmax
- 2.7mm
- Vd †
- 143cm³
- Voice coil
- 63mm
- Flux density
- 1.50T
Power and response
- Sensitivity †
- 98.4dB
- Manufacturer sensitivity
- 99dB
- Power
- 300W
- Impedance
- 8Ω
- Range
- 100–6000Hz
- EBP †
- 232 · Leans vented
Size and mounting
- Diameter
- 331mm
- Cutout
- 282mm
- Bolt circle
- 318mm
- Depth
- 112.2mm
- Weight
- 9.2kg
Other published values
- Cms
- 0.17mm/N
- Power Peak
- 1200
† Calculated by bits from the published values
What this validation status means
Everything else Precision Devices lists
LF · Primary · 12″
- BL
- 21.5T·m
- Fs
- 53Hz
- Re
- 5.9Ω
- Sd
- 531cm²
- Cms
- 0.17mm/N
- Mms
- 65g
- Qes
- 0.23
- Qms
- 14.7
- Qts
- 0.23
- SPL
- 98.4dB
- Vas
- 66.6L
- Xmax
- 2.7mm
- Power
- 300W
- Impedance
- 8Ω
- Power Peak
- 1200
- Flux density
- 1.50T
- Sensitivity
- 99dB
- Low limit
- 100Hz
- Calculated sensitivity †
- 98.4dB
- High limit
- 6000Hz
- Manufacturer sensitivity
- 99dB
- Voice coil
- 63mm
- Weight
- 9.2kg
- Diameter
- 331mm
- Depth
- 112.2mm
- Cutout
- 282mm
- Bolt circle
- 318mm
02
Compare
Same-size drivers, compared with the PD.121/2. Clear differences are green when better and red when worse.
This driverPD.121/2
Best price
£168.00
Fs
53 Hz
Qts
0.23
Vas
66.6 L
BL
21.5 T·m
Xmax
2.7 mm
Sensitivity
98.4 dB
Power
300 W
B&C12PLB76
£149.12 · 11% less, betterFs50 Hz −6%
Qts0.23 –
Vas75 L +13%, worse
BL18.6 T·m −13%, worse
Xmax5 mm +85%, better
Sensitivity97.9 dB −0.5
PRV Audio12MR1200X
£149.45 · 11% less, betterFs53 Hz –
Qts0.21 −9%
Vas71.8 L +8%
BL22 T·m –
Xmax4.5 mm +67%, better
Sensitivity99 dB +0.6
B&C12CLA76
£151.63 · 10% less, betterFs52 Hz –
Qts0.25 +9%
Vas56 L −16%, better
BL20.2 T·m −6%
Xmax5.3 mm +96%, better
Sensitivity96.8 dB −1.6
Beyma12MI100
£153.51 · 9% less, betterFs58 Hz +9%
Qts0.22 −4%
Vas64 L −4%
BL21.6 T·m –
Xmax3 mm +11%, better
Sensitivity99.4 dB +1
FaitalPRO12FH510
£163.54 · 3% lessFs45 Hz −16%, better
Qts0.24 +4%
Vas81.3 L +22%, worse
BL18.9 T·m −12%, worse
Xmax7.5 mm +178%, better
Sensitivity96.7 dB −1.7
B&C12NDL76
£165.03 · 2% lessFs50 Hz −6%
Qts0.20 −13%, better
Vas73 L +10%
BL20.1 T·m −6%
Xmax7 mm +159%, better
Sensitivity98.4 dB –
RCFMB12N301
£183.23 · 9% more, worseFs54 Hz –
Qts0.24 +4%
Vas71 L +7%
BL19 T·m −11%, worse
Xmax6 mm +122%, better
Sensitivity98.4 dB –
Eighteen Sound12MB1000
£204.35 · 22% more, worseFs54 Hz –
Qts0.18 −22%, better
Vas60 L −10%
BL23.5 T·m +10%
Xmax2.5 mm −7%
Sensitivity98.8 dB –
BMS12S320
£204.98 · 22% more, worseFs45 Hz −15%, better
Qts0.20 −13%, better
Vas69.5 L +4%
BL23.3 T·m +9%
Xmax4.5 mm +67%, better
Sensitivity96.9 dB −1.5
BMS12S330
£204.98 · 22% more, worseFs29 Hz −46%, better
Qts0.24 +4%
Vas85.5 L +28%, worse
BL23 T·m +7%
Xmax8 mm +196%, better
Sensitivity91.1 dB −7.3, worse
Beyma12MC700ND
£209.39 · 25% more, worseFs51 Hz −4%
Qts0.24 +4%
Vas58 L −13%, better
BL21.6 T·m –
Xmax7 mm +159%, better
Sensitivity96.7 dB −1.7
RCFMB12N351
£225.00 · 34% more, worseFs55 Hz +3%
Qts0.20 −13%, better
Vas61 L −8%
BL22.5 T·m +5%
Xmax6 mm +122%, better
Sensitivity98.9 dB +0.5
BMS12C262
£228.36 · 36% more, worseFs47 Hz −11%, better
Qts0.24 +4%
Vas60.6 L −9%
BL20.6 T·m −4%
Xmax2.5 mm −7%
Sensitivity96.1 dB −2.3, worse
Eighteen Sound12MB650
£229.20 · 36% more, worseFs48 Hz −10%
Qts0.23 –
Vas90 L +35%, worse
BL19 T·m −11%, worse
Xmax5.5 mm +104%, better
Sensitivity98.2 dB –
Eighteen Sound12ND730
£230.40 · 37% more, worseFs45 Hz −16%, better
Qts0.23 –
Vas90 L +35%, worse
BL19.2 T·m −11%, worse
Xmax6.5 mm +141%, better
Sensitivity97.4 dB −1
BMS12N620
£247.26 · 47% more, worseFs45 Hz −16%, better
Qts0.25 +9%
Vas72.7 L +9%
BL20.6 T·m −4%
Xmax5.5 mm +104%, better
Sensitivity96 dB −2.4, worse
Beyma12P80FE
£247.50 · 47% more, worseFs48 Hz −10%
Qts0.21 −9%
Vas61 L −8%
BL23 T·m +7%
Xmax7.5 mm +178%, better
Sensitivity96.9 dB −1.5
Eighteen Sound12ND930
£248.59 · 48% more, worseFs50 Hz −6%
Qts0.21 −9%
Vas70 L +5%
BL21.2 T·m –
Xmax6.5 mm +141%, better
Sensitivity98 dB –
BMS12N802
£271.01 · 61% more, worseFs43 Hz −19%, better
Qts0.24 +4%
Vas65 L –
BL22.3 T·m +4%
Xmax4.5 mm +67%, better
Sensitivity95.2 dB −3.2, worse
BMS12N803
£285.67 · 70% more, worseFs41 Hz −23%, better
Qts0.24 +4%
Vas77 L +16%, worse
BL21.4 T·m –
Xmax6 mm +122%, better
Sensitivity95.3 dB −3.1, worse
B&C12CXN88
£465.46 · 177% more, worseFs50 Hz −6%
Qts0.22 −4%
Vas59 L −11%, better
BL20.9 T·m –
Xmax10.5 mm +289%, better
Sensitivity97.1 dB −1.3
RCFLF12P903
No current priceFs47 Hz −12%, better
Qts0.23 –
Vas65 L –
BL22.1 T·m +3%
Xmax7 mm +159%, better
Sensitivity96.5 dB −1.9
Precision DevicesPD.124NR1-LR
No current priceFs45 Hz −16%, better
Qts0.23 –
Vas78 L +17%, worse
BL22 T·m –
Xmax8.5 mm +215%, better
Sensitivity96.9 dB −1.5
Oberton12B450
No current priceFs46 Hz −13%, better
Qts0.23 –
Vas71.8 L +8%
BL19.3 T·m −10%, worse
Xmax7.8 mm +187%, better
Sensitivity96.7 dB −1.7
No photo
PHL Audio4330NDU
No current priceFs36 Hz −32%, better
Qts0.22 −4%
Vas82.6 L +24%, worse
BL22 T·m –
Xmax8 mm +196%, better
Sensitivity94.3 dB −4.1, worse
Oberton12B401
No current priceFs47 Hz −12%, better
Qts0.24 +7%
Vas69.6 L +5%
BL19.9 T·m −7%
Xmax6.8 mm +150%, better
Sensitivity96.5 dB −1.9
No photo
PHL Audio4071-1
No current priceFs47 Hz −12%, better
Qts0.24 +4%
Vas57.8 L −13%, better
BL20.6 T·m −4%
Xmax6.5 mm +141%, better
Sensitivity95.7 dB −2.7, worse
Oberton12NB450
No current priceFs46 Hz −13%, better
Qts0.20 −11%, better
Vas72.6 L +9%
BL20.3 T·m −5%
Xmax7.8 mm +187%, better
Sensitivity97.5 dB −0.9
Eighteen Sound12ND940
No current priceFs49 Hz −8%
Qts0.20 −13%, better
Vas64.8 L –
BL22.2 T·m +3%
Xmax7.6 mm +181%, better
Sensitivity97.8 dB −0.6
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 514 ratings · Checked 23 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 |
|---|---|---|---|---|
Thomann | £168.00, the lowest price | In stock | Visit shop at Thomann |
Best price over time
Tracked since 25 Apr
Recent changes
- 22 OctThomann£169.00 → £168.00Down 0.6% from £169.00
- 20 SepThomann£172.00 → £169.00Down 1.7% from £172.00
- 4 SepThomann£171.00 → £172.00Up 0.6% from £171.00