SB AudienceBIANCO-12OB150-01
£55.90 · 47% less, betterFs44 Hz −49%, better
Qts0.63 −3%
Vas103.8 L +136%, worse
BL12.2 T·m –
Xmax6.8 mm +749%, better
Sensitivity93.1 dB −5.1, worse
12-inch LF driver · LEGEND GB series · 50 W
Eminence LEGEND GB128 8Ω
8 Ω · 80–5100 Hz
- Fs
- 86Hz
- Xmax
- 0.8mm
- SPL
- 98dB
- Pe
- 50W
- BL
- 12T·m
- Vd
- 41cm³
- Qts
- 0.65
- Vas
- 44L
Eminence LEGEND GB128 is a 12-inch 8 ohm LF driver rated at 50 W RMS. The validated T/S data includes Fs 86 Hz, Qts 0.65, Vas 43.9 L, Xmax 0.8 mm, sensitivity 98.2 dB, plus 41 cm³ Vd and 128 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 £105.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 86Hz
- Qts
- 0.65
- Qes
- 0.67
- Qms
- 19.5
- Vas
- 43.9L
- Re
- 6.4Ω
- Le
- 0.64mH
Motor and cone
- BL
- 12T·m
- Sd
- 507cm²
- Mms
- 28g
- Xmax
- 0.8mm
- Vd †
- 41cm³
Power and response
- Sensitivity †
- 98.2dB
- Manufacturer sensitivity
- 101.3dB
- Power
- 50W
- Impedance
- 8Ω
- Range
- 80–5100Hz
- EBP †
- 128 · Leans vented
Size and mounting
- Diameter
- 305.6mm
- Cutout
- 281.2mm
- Depth
- 129.5mm
- Weight
- 3.7kg
Other published values
- Cms
- 0.12mm/N
Sensitivity shows 98.2 dB, calculated from the T/S values. Eminence publishes 101.3 dB, 3.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 12″
- BL
- 12T·m
- Fs
- 86Hz
- Le
- 0.64mH
- Re
- 6.4Ω
- Sd
- 507cm²
- Cms
- 0.12mm/N
- Mms
- 28g
- Qes
- 0.67
- Qms
- 19.5
- Qts
- 0.65
- SPL
- 98.2dB
- Vas
- 43.9L
- Xmax
- 0.8mm
- Power
- 50W
- Impedance
- 8Ω
- Sensitivity
- 101.3dB
- Low limit
- 80Hz
- Calculated sensitivity †
- 98.2dB
- High limit
- 5100Hz
- Manufacturer sensitivity
- 101.3dB
- Weight
- 3.7kg
- Diameter
- 305.6mm
- Depth
- 129.5mm
- Cutout
- 281.2mm
02
Compare
Same-size drivers, compared with the LEGEND GB128. Clear differences are green when better and red when worse.
This driverLEGEND GB128
Best price
£105.00
Fs
86 Hz
Qts
0.65
Vas
43.9 L
BL
12 T·m
Xmax
0.8 mm
Sensitivity
98.2 dB
Power
50 W
£75.00 · 29% less, better
Fs50 Hz −42%, better
Qts0.64 –
Vas78.1 L +78%, worse
BL13 T·m +8%
Xmax3.5 mm +338%, better
Sensitivity93.3 dB −4.9, worse
PeerlessSLS-P830669
£75.21 · 28% less, betterFs34 Hz −60%, better
Qts0.64 –
Vas107 L +144%, worse
BL11.8 T·m –
Xmax10.9 mm +1262%, better
Sensitivity90 dB −8.2, worse
CelestionTRUVOX 1225
£88.68 · 16% less, betterFs60 Hz −30%, better
Qts0.62 −4%
Vas54.1 L +23%, worse
BL13.5 T·m +13%, better
Xmax4.8 mm +494%, better
Sensitivity94.4 dB −3.8, worse
EminenceMAN O WAR
£99.00 · 6% less, betterFs91 Hz +6%
Qts0.68 +5%
Vas38 L −13%, better
BL12.3 T·m –
Xmax0.8 mm –
Sensitivity98 dB –
EminenceTEXAS HEAT
£109.49 · 4% moreFs79 Hz −8%
Qts0.65 –
Vas50.9 L +16%, worse
BL12.8 T·m +7%
Xmax0.8 mm –
Sensitivity97.7 dB −0.5
EminenceTEXAS HEAT-4
£109.49 · 4% moreFs89 Hz +3%
Qts0.68 +5%
Vas39 L −11%, better
BL9.5 T·m −21%, worse
Xmax0.8 mm –
Sensitivity98 dB –
EminenceTEXAS HEAT-16
£109.49 · 4% moreFs91 Hz +6%
Qts0.81 +25%, worse
Vas44.5 L –
BL16 T·m +33%, better
Xmax0.8 mm –
Sensitivity97.9 dB –
EminenceSWAMP THANG-16
£125.37 · 19% more, worseFs113 Hz +31%, worse
Qts0.62 −5%
Vas26.4 L −40%, better
BL21.8 T·m +82%, better
Xmax0.8 mm –
Sensitivity99.6 dB +1.4
EminenceGA-SC59
£230.67 · 120% more, worseFs89 Hz +3%
Qts0.61 −6%
Vas41.2 L −6%
BL13.6 T·m +13%, better
Xmax1.6 mm +101%, better
Sensitivity98.7 dB +0.5
Dayton AudioUMII12-22
£250.69 · 139% more, worseFs31 Hz −64%, better
Qts0.56 −14%, better
Vas53 L +21%, worse
BL14.8 T·m +23%, better
Xmax22 mm +2650%, better
Sensitivity85.5 dB −12.7, worse
EminenceJS-1250
No current priceFs92 Hz +7%
Qts0.61 −6%
Vas41.2 L −6%
BL12.9 T·m +8%
Xmax0.8 mm –
Sensitivity99.1 dB +0.9
EminenceGA-SC-X
No current priceFs91 Hz +5%
Qts0.66 –
Vas45.0 L –
BL12.2 T·m –
Xmax1.3 mm +59%, better
Sensitivity98.8 dB +0.6
JensenC12-75NH-8
No current priceFs83 Hz −3%
Qts0.64 –
Vas42.4 L −3%
BL11.8 T·m –
Xmax1 mm +25%, better
Sensitivity97.1 dB −1.1
P.AudioE12-200S-V2
No current priceFs65 Hz −24%, better
Qts0.69 +6%
Vas42.2 L −4%
BL12.3 T·m –
Xmax4.1 mm +412%, better
Sensitivity93.9 dB −4.3, worse
EminenceGUIT-FIDDLE
No current priceFs82 Hz −5%
Qts0.56 −14%, better
Vas57.8 L +32%, worse
BL13.1 T·m +9%
Xmax0.8 mm –
Sensitivity99.4 dB +1.2
EminenceSWAMP THANG
No current priceFs97 Hz +13%, worse
Qts0.53 −18%, better
Vas41.3 L −6%
BL14.2 T·m +18%, better
Xmax0.8 mm –
Sensitivity100.4 dB +2.2, better
REDCATT121FIND
No current priceFs63 Hz −27%, better
Qts0.60 −8%
Vas49.8 L +13%, worse
BL12.9 T·m +8%
Xmax3.8 mm +369%, better
Sensitivity94.9 dB −3.3, worse
LavoceWSF121.70G
No current priceFs82 Hz −5%
Qts0.59 −9%
Vas41 L −7%
BL13.6 T·m +13%, better
Xmax2.7 mm +238%, better
Sensitivity97.6 dB −0.6
JensenJN12-80TRS-8
No current priceFs72 Hz −17%, better
Qts0.55 −15%, better
Vas56.5 L +29%, worse
BL12.2 T·m –
Xmax1 mm +25%, better
Sensitivity96.7 dB −1.5
EminenceGA-SC64
No current priceFs88 Hz –
Qts0.58 −11%, better
Vas45.0 L –
BL13.8 T·m +15%, better
Xmax1.2 mm +54%, better
Sensitivity99.1 dB +0.9
PeerlessFSL-1230R04-04
No current priceFs56 Hz −35%, better
Qts0.54 −17%, better
Vas47.4 L +8%
BL11.9 T·m –
Xmax7.2 mm +796%, better
Sensitivity93.7 dB −4.5, worse
P.AudioEX12-300S
No current priceFs66 Hz −23%, better
Qts0.54 −17%, better
Vas45.9 L +5%
BL13.7 T·m +14%, better
Xmax3.1 mm +287%, better
Sensitivity95.2 dB −3, worse
JensenJN12-100TR-4
No current priceFs77 Hz −11%, better
Qts0.58 −11%, better
Vas47.2 L +8%
BL9.0 T·m −25%, worse
Xmax1 mm +25%, better
Sensitivity96.6 dB −1.6
CelestionTF1230
No current priceFs59 Hz −31%, better
Qts0.52 −21%, better
Vas51.1 L +16%, worse
BL13.0 T·m +8%
Xmax5 mm +525%, better
Sensitivity94.1 dB −4.1, worse
Acoustic EleganceIB12HT-8
No current priceFs17 Hz −80%, better
Qts0.64 –
Vas179.5 L +309%, worse
BL12.5 T·m +4%
Xmax18.5 mm +2212%, better
Sensitivity82.6 dB −15.6, worse
No current price
Fs50 Hz −42%, better
Qts0.64 –
Vas78.1 L +78%, worse
BL13 T·m +8%
Xmax5.3 mm +556%, better
Sensitivity93.3 dB −4.9, worse
JensenJN12-100TRS-8
No current priceFs72 Hz −16%, better
Qts0.52 −20%, better
Vas55.9 L +27%, worse
BL12.9 T·m +8%
Xmax1 mm +25%, better
Sensitivity96.5 dB −1.7
JensenJC12-70EL-8
No current priceFs95 Hz +10%, worse
Qts0.67 +3%
Vas32 L −27%, better
BL12.7 T·m +6%
Xmax1 mm +25%, better
Sensitivity96.7 dB −1.5
JensenC12K-2-8
No current priceFs79 Hz −8%
Qts0.47 −28%, better
Vas43.1 L –
BL14.7 T·m +23%, better
Xmax1 mm +25%, better
Sensitivity97.4 dB −0.8
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.7 out of 5124 ratings · Checked 4 Nov 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 | £105.00, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £105.00 | 1 in stock | Visit shop at Lean Audio | |
Thomann | £118.00 | 12% above the lowest price | In stock | Visit shop at Thomann |
Best price over time
Tracked since 1 Apr
Recent changes
- 22 OctThomann£119.00 → £118.00Down 0.8% from £119.00
- 14 OctThomann£120.00 → £119.00Down 0.8% from £120.00
- 6 OctThomann£121.00 → £120.00Down 0.8% from £121.00