SB AudienceBIANCO-12OB150-01
£55.90Fs44 Hz −30%, better
Qts0.63 +5%
Vas103.8 L +108%, worse
BL12.2 T·m −5%
Xmax6.8 mm +81%, better
Sensitivity93.1 dB −1.8
12-inch LF driver · 51 mm voice coil · 250 W
REDCATT 121FIND 8Ω
No current price
- Fs
- 63Hz
- Xmax
- 3.8mm
- SPL
- 95dB
- Pe
- 250W
- BL
- 12.9T·m
- Vd
- 199cm³
- Qts
- 0.60
- Vas
- 50L
REDCATT 121FIND is a 12-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 63 Hz, Qts 0.60, Vas 49.8 L, Xmax 3.8 mm, sensitivity 94.9 dB, plus 199 cm³ Vd and 97 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
- 63Hz
- Qts
- 0.60
- Qes
- 0.65
- Qms
- 7.5
- Vas
- 49.8L
- Re
- 5.3Ω
- Le
- 0.52mH
Motor and cone
- BL
- 12.9T·m
- Sd
- 531cm²
- Mms
- 51g
- Xmax
- 3.8mm
- Vd †
- 199cm³
- Voice coil
- 51mm
Power and response
- Sensitivity †
- 94.9dB
- Manufacturer sensitivity
- 96.6dB
- Power
- 250W
- Impedance
- 8Ω
- EBP †
- 97 · Sealed or vented
Size and mounting
- Diameter
- 320mm
- Cutout
- 282mm
- Bolt circle
- 302mm
- Weight
- 4.6kg
Other published values
- Xmech
- 11.75
- Power Peak
- 1000
Other dimensions
- Mounting Depth
- 124
Sensitivity shows 94.9 dB, calculated from the T/S values. REDCATT publishes 96.6 dB, 1.7 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 12″
- BL
- 12.9T·m
- Fs
- 63Hz
- Le
- 0.52mH
- Re
- 5.3Ω
- Sd
- 531cm²
- Mms
- 51g
- Qes
- 0.65
- Qms
- 7.5
- Qts
- 0.60
- SPL
- 94.9dB
- Vas
- 49.8L
- Xmax
- 3.8mm
- Xmech
- 11.75
- Power
- 250W
- Impedance
- 8Ω
- Power Peak
- 1000
- Sensitivity
- 96.6dB
- Calculated sensitivity †
- 94.9dB
- Manufacturer sensitivity
- 96.6dB
- Voice coil
- 51mm
- Weight
- 4.6kg
- Diameter
- 320mm
- Mounting Depth
- 124
- Cutout
- 282mm
- Bolt circle
- 302mm
02
Compare
Same-size drivers, compared with the 121FIND. Clear differences are green when better and red when worse.
This driver121FIND
Best price
–
Fs
63 Hz
Qts
0.60
Vas
49.8 L
BL
12.9 T·m
Xmax
3.8 mm
Sensitivity
94.9 dB
Power
250 W
PeerlessFSL-1220R02-08
£59.63Fs62 Hz –
Qts0.55 −8%
Vas61.1 L +23%, worse
BL13.3 T·m +3%
Xmax5.1 mm +35%, better
Sensitivity96 dB +1.1
FaitalPRO12FE400
£59.74Fs55 Hz −13%, better
Qts0.57 −5%
Vas73.6 L +48%, worse
BL11.5 T·m −11%, worse
Xmax5.4 mm +45%, better
Sensitivity94.9 dB –
£77.00
Fs50 Hz −21%, better
Qts0.64 +7%
Vas78.1 L +57%, worse
BL13 T·m –
Xmax3.5 mm −7%
Sensitivity93.3 dB −1.6
PeerlessSLS-P830669
£85.42Fs34 Hz −46%, better
Qts0.64 +7%
Vas107 L +115%, worse
BL11.8 T·m −9%
Xmax10.9 mm +191%, better
Sensitivity90 dB −4.9, worse
CelestionTRUVOX 1225
£89.57Fs60 Hz −4%
Qts0.62 +4%
Vas54.1 L +9%
BL13.5 T·m +5%
Xmax4.8 mm +27%, better
Sensitivity94.4 dB −0.5
EminenceMAN O WAR
£99.00Fs91 Hz +44%, worse
Qts0.68 +13%, worse
Vas38 L −24%, better
BL12.3 T·m −5%
Xmax0.8 mm −79%, worse
Sensitivity98 dB +3.1, better
EminenceLEGEND GB128
£105.00Fs86 Hz +37%, worse
Qts0.65 +8%
Vas43.9 L −12%, better
BL12 T·m −7%
Xmax0.8 mm −79%, worse
Sensitivity98.2 dB +3.3, better
B&C320K/C-A
£107.29Fs82 Hz +30%, worse
Qts0.50 −17%, better
Vas53 L +6%
BL12.2 T·m −5%
Xmax2 mm −47%, worse
Sensitivity99.5 dB +4.6, better
B&C12CLX64
£236.92Fs54 Hz −14%, better
Qts0.57 −5%
Vas74 L +49%, worse
BL11.9 T·m −8%
Xmax5.5 mm +47%, better
Sensitivity94.8 dB –
Dayton AudioUMII12-22
£256.35Fs31 Hz −51%, better
Qts0.56 −7%
Vas53 L +6%
BL14.8 T·m +15%, better
Xmax22 mm +487%, better
Sensitivity85.5 dB −9.4, worse
P.AudioEX12-300S
No current priceFs66 Hz +5%
Qts0.54 −10%
Vas45.9 L −8%
BL13.7 T·m +6%
Xmax3.1 mm −17%, worse
Sensitivity95.2 dB –
EminenceTEXAS HEAT
No current priceFs79 Hz +25%, worse
Qts0.65 +8%
Vas50.9 L –
BL12.8 T·m –
Xmax0.8 mm −79%, worse
Sensitivity97.7 dB +2.8, better
LavoceWSF121.70G
No current priceFs82 Hz +30%, worse
Qts0.59 –
Vas41 L −18%, better
BL13.6 T·m +5%
Xmax2.7 mm −28%, worse
Sensitivity97.6 dB +2.7, better
EminenceGA-SC59
No current priceFs89 Hz +41%, worse
Qts0.61 –
Vas41.2 L −17%, better
BL13.6 T·m +5%
Xmax1.6 mm −57%, worse
Sensitivity98.7 dB +3.8, better
CelestionTF1230
No current priceFs59 Hz −6%
Qts0.52 −14%, better
Vas51.1 L –
BL13.0 T·m –
Xmax5 mm +33%, better
Sensitivity94.1 dB −0.8
P.AudioE12-200S-V2
No current priceFs65 Hz +3%
Qts0.69 +15%, worse
Vas42.2 L −15%, better
BL12.3 T·m −4%
Xmax4.1 mm +9%
Sensitivity93.9 dB −1
EminenceGA-SC64
No current priceFs88 Hz +40%, worse
Qts0.58 −3%
Vas45.0 L −10%
BL13.8 T·m +7%
Xmax1.2 mm −67%, worse
Sensitivity99.1 dB +4.2, better
P.Audio12BMA-300B
No current priceFs61 Hz −3%
Qts0.49 −18%, better
Vas54.4 L +9%
BL13.7 T·m +6%
Xmax4 mm +7%
Sensitivity95.7 dB +0.8
EminenceGUIT-FIDDLE
No current priceFs82 Hz +30%, worse
Qts0.56 −7%
Vas57.8 L +16%, worse
BL13.1 T·m –
Xmax0.8 mm −79%, worse
Sensitivity99.4 dB +4.5, better
EminenceGA-SC-X
No current priceFs91 Hz +44%, worse
Qts0.66 +10%, worse
Vas45.0 L −10%
BL12.2 T·m −6%
Xmax1.3 mm −66%, worse
Sensitivity98.8 dB +3.9, better
JensenJN12-80TRS-8
No current priceFs72 Hz +14%, worse
Qts0.55 −8%
Vas56.5 L +13%, worse
BL12.2 T·m −6%
Xmax1 mm −73%, worse
Sensitivity96.7 dB +1.8
JensenJN12-100TRS-8
No current priceFs72 Hz +14%, worse
Qts0.52 −13%, better
Vas55.9 L +12%, worse
BL12.9 T·m –
Xmax1 mm −73%, worse
Sensitivity96.5 dB +1.6
JensenC12-75NH-8
No current priceFs83 Hz +32%, worse
Qts0.64 +7%
Vas42.4 L −15%, better
BL11.8 T·m −9%
Xmax1 mm −73%, worse
Sensitivity97.1 dB +2.2, better
CelestionFTR12-2565D
No current priceFs60 Hz −4%
Qts0.42 −30%, better
Vas49.1 L –
BL15.4 T·m +20%, better
Xmax4 mm +7%
Sensitivity95.3 dB –
EminenceSWAMP THANG
No current priceFs97 Hz +54%, worse
Qts0.53 −12%, better
Vas41.3 L −17%, better
BL14.2 T·m +10%, better
Xmax0.8 mm −79%, worse
Sensitivity100.4 dB +5.5, better
JensenJN12-100TR-4
No current priceFs77 Hz +21%, worse
Qts0.58 −3%
Vas47.2 L −5%
BL9.0 T·m −30%, worse
Xmax1 mm −73%, worse
Sensitivity96.6 dB +1.7
EminenceDELTALITE 2512
No current priceFs53 Hz −16%, better
Qts0.52 −13%, better
Vas67.4 L +35%, worse
BL11.6 T·m −10%, worse
Xmax4.9 mm +31%, better
Sensitivity94 dB −0.9
P.AudioGST-12500-V3
No current priceFs56 Hz −11%, better
Qts0.48 −20%, better
Vas52.9 L +6%
BL15.7 T·m +22%, better
Xmax3.3 mm −13%, worse
Sensitivity94.6 dB –
JensenC12K-2-8
No current priceFs79 Hz +25%, worse
Qts0.47 −22%, better
Vas43.1 L −13%, better
BL14.7 T·m +14%, better
Xmax1 mm −73%, worse
Sensitivity97.4 dB +2.5, better
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 |
|---|---|---|---|---|
Lautsprecherteile Lange Lieferzeit (bis zu 120 Tage) | £63.20 | Special order | Visit shop at Lautsprecherteile |