SB AudienceBIANCO-12OB150-01
£55.90 · 48% less, betterFs44 Hz +26%, worse
Qts0.63 +17%, worse
Vas103.8 L −34%, better
BL12.2 T·m +16%, better
Xmax6.8 mm +10%
Sensitivity93.1 dB –
12-inch LF driver · LEGEND BP series · 250 W
Eminence LEGEND BP 122 8Ω
8 Ω · 35–2300 Hz
£107.50
10%Lean Audio · 1 in stock · All 2 offers
- Fs
- 35Hz
- Xmax
- 6.2mm
- SPL
- 93dB
- Pe
- 250W
- BL
- 10.6T·m
- Vd
- 330cm³
- Qts
- 0.54
- Vas
- 157L
Eminence LEGEND BP 122 is a 12-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.54, Vas 157.4 L, Xmax 6.2 mm, sensitivity 92.8 dB, plus 330 cm³ Vd and 61 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 £107.50.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.54
- Qes
- 0.57
- Qms
- 9.3
- Vas
- 157.4L
- Re
- 5.7Ω
- Le
- 0.84mH
Motor and cone
- BL
- 10.6T·m
- Sd
- 532cm²
- Mms
- 50g
- Xmax
- 6.2mm
- Vd †
- 330cm³
Power and response
- Sensitivity †
- 92.8dB
- Manufacturer sensitivity
- 94.1dB
- Power
- 250W
- Impedance
- 8Ω
- Range
- 35–2300Hz
- EBP †
- 61 · Sealed or vented
Size and mounting
- Diameter
- 311.4mm
- Cutout
- 281.4mm
- Depth
- 135.4mm
- Weight
- 4.1kg
Other published values
- Cms
- 0.40mm/N
- Power Program
- 500
Sensitivity shows 92.8 dB, calculated from the T/S values. Eminence publishes 94.1 dB, 1.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 12″
- BL
- 10.6T·m
- Fs
- 35Hz
- Le
- 0.84mH
- Re
- 5.7Ω
- Sd
- 532cm²
- Cms
- 0.40mm/N
- Mms
- 50g
- Qes
- 0.57
- Qms
- 9.3
- Qts
- 0.54
- SPL
- 92.8dB
- Vas
- 157.4L
- Xmax
- 6.2mm
- Power
- 250W
- Impedance
- 8Ω
- Sensitivity
- 94.1dB
- Low limit
- 35Hz
- Power Program
- 500
- Calculated sensitivity †
- 92.8dB
- High limit
- 2300Hz
- Manufacturer sensitivity
- 94.1dB
- Weight
- 4.1kg
- Diameter
- 311.4mm
- Depth
- 135.4mm
- Cutout
- 281.4mm
02
Compare
Same-size drivers, compared with the LEGEND BP 122. Clear differences are green when better and red when worse.
This driverLEGEND BP 122
Best price
£107.50
Fs
35 Hz
Qts
0.54
Vas
157.4 L
BL
10.6 T·m
Xmax
6.2 mm
Sensitivity
92.8 dB
Power
250 W
FaitalPRO12FE400
£58.42 · 46% less, betterFs55 Hz +57%, worse
Qts0.57 +6%
Vas73.6 L −53%, better
BL11.5 T·m +9%
Xmax5.4 mm −13%, worse
Sensitivity94.9 dB +2.1, better
PeerlessFSL-1220R02-08
£59.63 · 45% less, betterFs62 Hz +77%, worse
Qts0.55 –
Vas61.1 L −61%, better
BL13.3 T·m +26%, better
Xmax5.1 mm −18%, worse
Sensitivity96 dB +3.2, better
FaitalPRO12FE300
£64.00 · 40% less, betterFs47 Hz +34%, worse
Qts0.51 −6%
Vas83.7 L −47%, better
BL12.5 T·m +18%, better
Xmax5.1 mm −18%, worse
Sensitivity94.2 dB +1.4
PRV Audio12W800A
£67.00 · 38% less, betterFs50 Hz +42%, worse
Qts0.47 −13%, better
Vas93.9 L −40%, better
BL12.7 T·m +20%, better
Xmax5.7 mm −8%
Sensitivity95.8 dB +3, better
Beyma12CMV3
£75.00 · 30% less, betterFs52 Hz +49%, worse
Qts0.55 –
Vas85 L −46%, better
BL12.3 T·m +17%, better
Xmax7 mm +13%, better
Sensitivity95.2 dB +2.4, better
£75.00 · 30% less, better
Fs50 Hz +43%, worse
Qts0.51 −6%
Vas66 L −58%, better
BL16.4 T·m +55%, better
Xmax5.5 mm −11%, worse
Sensitivity94 dB +1.2
FaitalPRO12FE330
£78.56 · 27% less, betterFs33 Hz −6%
Qts0.45 −17%, better
Vas146.7 L −7%
BL13 T·m +23%, better
Xmax8.3 mm +34%, better
Sensitivity92.4 dB –
CIAREHW320
£85.70 · 20% less, betterFs27 Hz −23%, better
Qts0.44 −19%, better
Vas293 L +86%, worse
BL9.6 T·m −9%
Xmax6.3 mm –
Sensitivity92.6 dB –
EminenceBETA-12A
£93.14 · 13% less, betterFs47 Hz +34%, worse
Qts0.46 −15%, better
Vas120.1 L −24%, better
BL10.8 T·m –
Xmax4.4 mm −29%, worse
Sensitivity96 dB +3.2, better
EminenceBETA 12CX
£95.30 · 11% less, betterFs47 Hz +34%, worse
Qts0.48 −11%, better
Vas120.9 L −23%, better
BL10.8 T·m –
Xmax3.5 mm −44%, worse
Sensitivity95.9 dB +3.1, better
Dayton AudioSD315A-88
£96.07 · 11% less, betterFs24 Hz −31%, better
Qts0.33 −39%, better
Vas151.7 L −4%
BL11.9 T·m +12%, better
Xmax7 mm +13%, better
Sensitivity89.7 dB −3.1, worse
Beyma12BR70
£99.85 · 7% less, betterFs31 Hz −11%, better
Qts0.50 −7%
Vas142 L −10%
BL12.1 T·m +15%, better
Xmax8 mm +29%, better
Sensitivity90.8 dB −2, worse
SB AudienceROSSO-12CX350
£184.95 · 72% more, worseFs49 Hz +40%, worse
Qts0.49 −9%
Vas90.4 L −43%, better
BL12.1 T·m +15%, better
Xmax8.2 mm +32%, better
Sensitivity95.1 dB +2.3, better
SB AudienceNERO-12MWN400D
£208.90 · 94% more, worseFs66 Hz +89%, worse
Qts0.52 −4%
Vas31.1 L −80%, better
BL17.8 T·m +69%, better
Xmax7.1 mm +15%, better
Sensitivity94.1 dB +1.3
B&C12CLX64
£236.92 · 120% more, worseFs54 Hz +54%, worse
Qts0.57 +6%
Vas74 L −53%, better
BL11.9 T·m +12%, better
Xmax5.5 mm −11%, worse
Sensitivity94.8 dB +2, better
HiViSS12
No current priceFs33 Hz −6%
Qts0.55 –
Vas105.9 L −33%, better
BL10.7 T·m –
Xmax7.3 mm +18%, better
Sensitivity90 dB −2.8, worse
LavoceLBASS12-15
No current priceFs38 Hz +9%
Qts0.48 −11%, better
Vas160.9 L –
BL10.1 T·m −4%
Xmax4.7 mm −24%, worse
Sensitivity94 dB +1.2
Acoustic EleganceSBP12-4
No current priceFs24 Hz −33%, better
Qts0.48 −11%, better
Vas160 L –
BL10.5 T·m –
Xmax14 mm +126%, better
Sensitivity87.9 dB −4.9, worse
Acoustic EleganceIB12AU-4
No current priceFs24 Hz −31%, better
Qts0.51 −6%
Vas160 L –
BL8.8 T·m −17%, worse
Xmax18 mm +190%, better
Sensitivity87.8 dB −5, worse
Acoustic EleganceIB12AU-8
No current priceFs24 Hz −31%, better
Qts0.51 −6%
Vas160 L –
BL12.5 T·m +18%, better
Xmax18 mm +190%, better
Sensitivity87.8 dB −5, worse
PeerlessFSL-1230R04-04
No current priceFs56 Hz +60%, worse
Qts0.54 –
Vas47.4 L −70%, better
BL11.9 T·m +13%, better
Xmax7.2 mm +16%, better
Sensitivity93.7 dB +0.9
Acoustic EleganceSBP12-8
No current priceFs24 Hz −33%, better
Qts0.48 −11%, better
Vas160 L –
BL13.1 T·m +24%, better
Xmax14 mm +126%, better
Sensitivity87.9 dB −4.9, worse
CelestionTF1218
No current priceFs59 Hz +69%, worse
Qts0.52 −4%
Vas83.0 L −47%, better
BL11.2 T·m +6%
Xmax2 mm −68%, worse
Sensitivity96.5 dB +3.7, better
EminenceDELTALITE 2512
No current priceFs53 Hz +52%, worse
Qts0.52 −4%
Vas67.4 L −57%, better
BL11.6 T·m +10%
Xmax4.9 mm −21%, worse
Sensitivity94 dB +1.2
WavecorWF223BD04
No current priceFs33 Hz −5%
Qts0.46 −15%, better
Vas45 L −71%, better
BL9.5 T·m −10%
Xmax6.5 mm +5%
Sensitivity87.4 dB −5.4, worse
Acoustic EleganceTD12M-4
No current priceFs38 Hz +9%
Qts0.25 −54%, better
Vas140 L −11%, better
BL11.9 T·m +13%, better
Xmax6 mm −3%
Sensitivity96.3 dB +3.5, better
CelestionTF1230
No current priceFs59 Hz +69%, worse
Qts0.52 −5%
Vas51.1 L −68%, better
BL13.0 T·m +23%, better
Xmax5 mm −19%, worse
Sensitivity94.1 dB +1.3
EminenceGUIT-FIDDLE
No current priceFs82 Hz +134%, worse
Qts0.56 +4%
Vas57.8 L −63%, better
BL13.1 T·m +24%, better
Xmax0.8 mm −87%, worse
Sensitivity99.4 dB +6.6, better
Acoustic EleganceTD12S-4
No current priceFs32 Hz −10%, better
Qts0.34 −37%, better
Vas160 L –
BL10.8 T·m –
Xmax14 mm +126%, better
Sensitivity93.2 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 Audio | £107.50, the lowest price | 1 in stock | Visit shop at Lean Audio | |
Lean Business Not currently listed · Last seen 17 May 2026 | £117.00 | 8.8% above the lowest price | Stock not listed | Visit shop at Lean Business |
Best price over time
Tracked since 1 Apr
Recent changes
- 27 OctLean Audio£120.00 → £107.50Down 10% from £120.00