SB AudienceBIANCO-12OB150-01
£55.90Fs44 Hz −52%, better
Qts0.63 +3%
Vas103.8 L +152%, worse
BL12.2 T·m −5%
Xmax6.8 mm +759%, better
Sensitivity93.1 dB −6, worse
12-inch LF driver · JS series · 50 W
Eminence JS-1250 8Ω
8 Ω · 80–5200 Hz
No price for delivery to the UK
- Fs
- 92Hz
- Xmax
- 0.8mm
- SPL
- 99dB
- Pe
- 50W
- BL
- 12.9T·m
- Vd
- 41cm³
- Qts
- 0.61
- Vas
- 41L
Eminence JS-1250 is a 12-inch 8 ohm LF driver rated at 50 W RMS. The validated T/S data includes Fs 92 Hz, Qts 0.61, Vas 41.2 L, Xmax 0.8 mm, sensitivity 99.1 dB, plus 41 cm³ Vd and 146 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 92Hz
- Qts
- 0.61
- Qes
- 0.63
- Qms
- 15.7
- Vas
- 41.2L
- Re
- 6.4Ω
- Le
- 0.50mH
Motor and cone
- BL
- 12.9T·m
- Sd
- 520cm²
- Mms
- 28g
- Xmax
- 0.8mm
- Vd †
- 41cm³
Power and response
- Sensitivity †
- 99.1dB
- Manufacturer sensitivity
- 101.4dB
- Power
- 50W
- Impedance
- 8Ω
- Range
- 80–5200Hz
- EBP †
- 146 · Leans vented
Size and mounting
- Diameter
- 309.1mm
- Cutout
- 282.7mm
- Depth
- 132.8mm
- Weight
- 3.6kg
Other published values
- Cms
- 0.11mm/N
Sensitivity shows 99.1 dB, calculated from the T/S values. Eminence publishes 101.4 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 12″
- BL
- 12.9T·m
- Fs
- 92Hz
- Le
- 0.50mH
- Re
- 6.4Ω
- Sd
- 520cm²
- Cms
- 0.11mm/N
- Mms
- 28g
- Qes
- 0.63
- Qms
- 15.7
- Qts
- 0.61
- SPL
- 99.1dB
- Vas
- 41.2L
- Xmax
- 0.8mm
- Power
- 50W
- Impedance
- 8Ω
- Sensitivity
- 101.4dB
- Low limit
- 80Hz
- Calculated sensitivity †
- 99.1dB
- High limit
- 5200Hz
- Manufacturer sensitivity
- 101.4dB
- Weight
- 3.6kg
- Diameter
- 309.1mm
- Depth
- 132.8mm
- Cutout
- 282.7mm
02
Compare
Same-size drivers, compared with the JS-1250. Clear differences are green when better and red when worse.
This driverJS-1250
Best price
–
Fs
92 Hz
Qts
0.61
Vas
41.2 L
BL
12.9 T·m
Xmax
0.8 mm
Sensitivity
99.1 dB
Power
50 W
FaitalPRO12FE400
£59.25Fs55 Hz −40%, better
Qts0.57 −7%
Vas73.6 L +79%, worse
BL11.5 T·m −11%, worse
Xmax5.4 mm +586%, better
Sensitivity94.9 dB −4.2, worse
PeerlessFSL-1220R02-08
£59.63Fs62 Hz −33%, better
Qts0.55 −10%
Vas61.1 L +48%, worse
BL13.3 T·m +3%
Xmax5.1 mm +542%, better
Sensitivity96 dB −3.1, worse
PeerlessSLS-P830669
£76.28Fs34 Hz −63%, better
Qts0.64 +5%
Vas107 L +160%, worse
BL11.8 T·m −9%
Xmax10.9 mm +1280%, better
Sensitivity90 dB −9.1, worse
£77.00
Fs50 Hz −46%, better
Qts0.64 +5%
Vas78.1 L +89%, worse
BL13 T·m –
Xmax3.5 mm +343%, better
Sensitivity93.3 dB −5.8, worse
CelestionTRUVOX 1225
£90.02Fs60 Hz −34%, better
Qts0.62 –
Vas54.1 L +31%, worse
BL13.5 T·m +5%
Xmax4.8 mm +501%, better
Sensitivity94.4 dB −4.7, worse
EminenceMAN O WAR
£99.00Fs91 Hz –
Qts0.68 +11%, worse
Vas38 L −8%
BL12.3 T·m −5%
Xmax0.8 mm –
Sensitivity98 dB −1.1
EminenceLEGEND GB128
£105.00Fs86 Hz −7%
Qts0.65 +7%
Vas43.9 L +7%
BL12 T·m −7%
Xmax0.8 mm –
Sensitivity98.2 dB −0.9
EminenceTEXAS HEAT
£111.04Fs79 Hz −14%, better
Qts0.65 +7%
Vas50.9 L +24%, worse
BL12.8 T·m –
Xmax0.8 mm –
Sensitivity97.7 dB −1.4
EminenceTEXAS HEAT-4
£111.04Fs89 Hz −3%
Qts0.68 +11%, worse
Vas39 L −5%
BL9.5 T·m −26%, worse
Xmax0.8 mm –
Sensitivity98 dB −1.1
EminenceSWAMP THANG-16
£127.14Fs113 Hz +23%, worse
Qts0.62 –
Vas26.4 L −36%, better
BL21.8 T·m +69%, better
Xmax0.8 mm –
Sensitivity99.6 dB +0.5
EminenceGA-SC59
£233.94Fs89 Hz −3%
Qts0.61 –
Vas41.2 L –
BL13.6 T·m +5%
Xmax1.6 mm +104%, better
Sensitivity98.7 dB –
B&C12CLX64
£236.92Fs54 Hz −41%, better
Qts0.57 −7%
Vas74 L +80%, worse
BL11.9 T·m −8%
Xmax5.5 mm +596%, better
Sensitivity94.8 dB −4.3, worse
Dayton AudioUMII12-22
£254.24Fs31 Hz −66%, better
Qts0.56 −8%
Vas53 L +29%, worse
BL14.8 T·m +15%, better
Xmax22 mm +2685%, better
Sensitivity85.5 dB −13.6, worse
EminenceSWAMP THANG
No current priceFs97 Hz +5%
Qts0.53 −13%, better
Vas41.3 L –
BL14.2 T·m +10%
Xmax0.8 mm –
Sensitivity100.4 dB +1.3
EminenceGUIT-FIDDLE
No current priceFs82 Hz −11%, better
Qts0.56 −8%
Vas57.8 L +40%, worse
BL13.1 T·m –
Xmax0.8 mm –
Sensitivity99.4 dB –
LavoceWSF121.70G
No current priceFs82 Hz −11%, better
Qts0.59 −3%
Vas41 L –
BL13.6 T·m +5%
Xmax2.7 mm +242%, better
Sensitivity97.6 dB −1.5
REDCATT121FIND
No current priceFs63 Hz −32%, better
Qts0.60 –
Vas49.8 L +21%, worse
BL12.9 T·m –
Xmax3.8 mm +375%, better
Sensitivity94.9 dB −4.2, worse
EminenceGA-SC64
No current priceFs88 Hz −4%
Qts0.58 −5%
Vas45.0 L +9%
BL13.8 T·m +7%
Xmax1.2 mm +56%, better
Sensitivity99.1 dB –
P.AudioEX12-300S
No current priceFs66 Hz −28%, better
Qts0.54 −11%, better
Vas45.9 L +11%, worse
BL13.7 T·m +6%
Xmax3.1 mm +292%, better
Sensitivity95.2 dB −3.9, worse
JensenC12-75NH-8
No current priceFs83 Hz −10%
Qts0.64 +5%
Vas42.4 L –
BL11.8 T·m −9%
Xmax1 mm +27%, better
Sensitivity97.1 dB −2, worse
EminenceGA-SC-X
No current priceFs91 Hz –
Qts0.66 +8%
Vas45.0 L +9%
BL12.2 T·m −6%
Xmax1.3 mm +61%, better
Sensitivity98.8 dB –
CelestionTF1230
No current priceFs59 Hz −36%, better
Qts0.52 −16%, better
Vas51.1 L +24%, worse
BL13.0 T·m –
Xmax5 mm +533%, better
Sensitivity94.1 dB −5, worse
P.AudioE12-200S-V2
No current priceFs65 Hz −29%, better
Qts0.69 +13%, worse
Vas42.2 L –
BL12.3 T·m −4%
Xmax4.1 mm +419%, better
Sensitivity93.9 dB −5.2, worse
JensenC12K-2-8
No current priceFs79 Hz −14%, better
Qts0.47 −23%, better
Vas43.1 L +5%
BL14.7 T·m +14%, better
Xmax1 mm +27%, better
Sensitivity97.4 dB −1.7
JensenJN12-80TRS-8
No current priceFs72 Hz −22%, better
Qts0.55 −10%
Vas56.5 L +37%, worse
BL12.2 T·m −6%
Xmax1 mm +27%, better
Sensitivity96.7 dB −2.4, worse
JensenJN12-100TRS-8
No current priceFs72 Hz −22%, better
Qts0.52 −15%, better
Vas55.9 L +36%, worse
BL12.9 T·m –
Xmax1 mm +27%, better
Sensitivity96.5 dB −2.6, worse
JensenJN12-100TR-4
No current priceFs77 Hz −17%, better
Qts0.58 −5%
Vas47.2 L +15%, worse
BL9.0 T·m −30%, worse
Xmax1 mm +27%, better
Sensitivity96.6 dB −2.5, worse
JensenJC12-70EL-8
No current priceFs95 Hz +3%
Qts0.67 +10%
Vas32 L −22%, better
BL12.7 T·m –
Xmax1 mm +27%, better
Sensitivity96.7 dB −2.4, worse
Acoustic EleganceIB12HT-8
No current priceFs17 Hz −82%, better
Qts0.64 +5%
Vas179.5 L +336%, worse
BL12.5 T·m −3%
Xmax18.5 mm +2242%, better
Sensitivity82.6 dB −16.5, worse
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 | £105.00 | Out of stock | Visit shop at Lean Business |