FaitalPRO12FE400
£58.73Fs55 Hz −33%, better
Qts0.57 −3%
Vas73.6 L +80%, worse
BL11.5 T·m −15%, worse
Xmax5.4 mm +101%, better
Sensitivity94.9 dB −2.7, worse
12-inch LF driver · WSF121 series · 45 mm voice coil · 100 W
Lavoce WSF121.70G 8Ω
8 Ω · 70–5000 Hz
No current price
- Fs
- 82Hz
- Xmax
- 2.7mm
- SPL
- 98dB
- Pe
- 100W
- BL
- 13.6T·m
- Vd
- 137cm³
- Qts
- 0.59
- Vas
- 41L
Lavoce WSF121.70G is a 12-inch 8 ohm LF driver rated at 100 W RMS. The validated T/S data includes Fs 82 Hz, Qts 0.59, Vas 41 L, Xmax 2.7 mm, sensitivity 97.6 dB, plus 137 cm³ Vd and 132 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
- 82Hz
- Qts
- 0.59
- Qes
- 0.62
- Qms
- 11.7
- Vas
- 41L
- Re
- 6.6Ω
- Le
- 0.58mH
Motor and cone
- BL
- 13.6T·m
- Sd
- 506cm²
- Mms
- 34g
- Xmax
- 2.7mm
- Vd †
- 137cm³
- Voice coil
- 45mm
Power and response
- Sensitivity †
- 97.6dB
- Manufacturer sensitivity
- 99dB
- Power
- 100W
- Impedance
- 8Ω
- Min. impedance
- 7.3Ω
- Range
- 70–5000Hz
- EBP †
- 132 · Leans vented
Size and mounting
- Weight
- 3.2kg
Other published values
- Cms
- 0.11mm/N
- Xmech
- 5.2
- Power Program
- 200
Sensitivity shows 97.6 dB, calculated from the T/S values. Lavoce publishes 99.0 dB, 1.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Lavoce lists
LF · Primary · 12″
- BL
- 13.6T·m
- Fs
- 82Hz
- Le
- 0.58mH
- Re
- 6.6Ω
- Sd
- 506cm²
- Cms
- 0.11mm/N
- Mms
- 34g
- Qes
- 0.62
- Qms
- 11.7
- Qts
- 0.59
- SPL
- 97.6dB
- Vas
- 41L
- Xmax
- 2.7mm
- Xmech
- 5.2
- Power
- 100W
- Impedance
- 8Ω
- Sensitivity
- 99dB
- Low limit
- 70Hz
- Power Program
- 200
- Calculated sensitivity †
- 97.6dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 99dB
- Min. impedance
- 7.3Ω
- Voice coil
- 45mm
- Weight
- 3.2kg
02
Compare
Same-size drivers, compared with the WSF121.70G. Clear differences are green when better and red when worse.
This driverWSF121.70G
Best price
–
Fs
82 Hz
Qts
0.59
Vas
41 L
BL
13.6 T·m
Xmax
2.7 mm
Sensitivity
97.6 dB
Power
100 W
PeerlessFSL-1220R02-08
£59.63Fs62 Hz −24%, better
Qts0.55 −7%
Vas61.1 L +49%, worse
BL13.3 T·m –
Xmax5.1 mm +88%, better
Sensitivity96 dB −1.6
Beyma12CMV3
£77.80Fs52 Hz −37%, better
Qts0.55 −7%
Vas85 L +107%, worse
BL12.3 T·m −10%
Xmax7 mm +159%, better
Sensitivity95.2 dB −2.4, worse
CelestionTRUVOX 1225
£89.16Fs60 Hz −26%, better
Qts0.62 +6%
Vas54.1 L +32%, worse
BL13.5 T·m –
Xmax4.8 mm +76%, better
Sensitivity94.4 dB −3.2, worse
EminenceDELTA 12B
£98.89Fs58 Hz −29%, better
Qts0.48 −19%, better
Vas87 L +112%, worse
BL16 T·m +18%, better
Xmax2.7 mm –
Sensitivity97.2 dB –
EminenceMAN O WAR
£99.00Fs91 Hz +11%, worse
Qts0.68 +15%, worse
Vas38 L −7%
BL12.3 T·m −10%
Xmax0.8 mm −70%, worse
Sensitivity98 dB –
EminenceLEGEND GB128
£105.00Fs86 Hz +5%
Qts0.65 +10%, worse
Vas43.9 L +7%
BL12 T·m −12%, worse
Xmax0.8 mm −70%, worse
Sensitivity98.2 dB +0.6
B&C320K/C-A
£107.29Fs82 Hz –
Qts0.50 −15%, better
Vas53 L +29%, worse
BL12.2 T·m −10%, worse
Xmax2 mm −26%, worse
Sensitivity99.5 dB +1.9
EminenceTEXAS HEAT
£110.07Fs79 Hz −4%
Qts0.65 +10%, worse
Vas50.9 L +24%, worse
BL12.8 T·m −6%
Xmax0.8 mm −70%, worse
Sensitivity97.7 dB –
EminenceGA-SC59
£231.91Fs89 Hz +9%
Qts0.61 +3%
Vas41.2 L –
BL13.6 T·m –
Xmax1.6 mm −40%, worse
Sensitivity98.7 dB +1.1
B&C12CLX64
£236.92Fs54 Hz −34%, better
Qts0.57 −3%
Vas74 L +80%, worse
BL11.9 T·m −13%, worse
Xmax5.5 mm +104%, better
Sensitivity94.8 dB −2.8, worse
Dayton AudioUMII12-22
£252.04Fs31 Hz −62%, better
Qts0.56 −5%
Vas53 L +29%, worse
BL14.8 T·m +9%
Xmax22 mm +715%, better
Sensitivity85.5 dB −12.1, worse
P.AudioEX12-300S
No current priceFs66 Hz −20%, better
Qts0.54 −8%
Vas45.9 L +12%, worse
BL13.7 T·m –
Xmax3.1 mm +15%, better
Sensitivity95.2 dB −2.4, worse
EminenceJS-1250
No current priceFs92 Hz +12%, worse
Qts0.61 +3%
Vas41.2 L –
BL12.9 T·m −5%
Xmax0.8 mm −71%, worse
Sensitivity99.1 dB +1.5
EminenceGA-SC64
No current priceFs88 Hz +7%
Qts0.58 –
Vas45.0 L +10%
BL13.8 T·m –
Xmax1.2 mm −54%, worse
Sensitivity99.1 dB +1.5
REDCATT121FIND
No current priceFs63 Hz −23%, better
Qts0.60 –
Vas49.8 L +21%, worse
BL12.9 T·m −5%
Xmax3.8 mm +39%, better
Sensitivity94.9 dB −2.7, worse
EminenceSWAMP THANG
No current priceFs97 Hz +18%, worse
Qts0.53 −10%, better
Vas41.3 L –
BL14.2 T·m +4%
Xmax0.8 mm −70%, worse
Sensitivity100.4 dB +2.8, better
JensenC12K-2-8
No current priceFs79 Hz −4%
Qts0.47 −20%, better
Vas43.1 L +5%
BL14.7 T·m +8%
Xmax1 mm −63%, worse
Sensitivity97.4 dB –
EminenceGUIT-FIDDLE
No current priceFs82 Hz –
Qts0.56 −5%
Vas57.8 L +41%, worse
BL13.1 T·m −4%
Xmax0.8 mm −71%, worse
Sensitivity99.4 dB +1.8
CelestionTF1230
No current priceFs59 Hz −28%, better
Qts0.52 −13%, better
Vas51.1 L +25%, worse
BL13.0 T·m −5%
Xmax5 mm +85%, better
Sensitivity94.1 dB −3.5, worse
EminenceGA-SC-X
No current priceFs91 Hz +11%, worse
Qts0.66 +12%, worse
Vas45.0 L +10%
BL12.2 T·m −10%, worse
Xmax1.3 mm −53%, worse
Sensitivity98.8 dB +1.2
JensenC12-75NH-8
No current priceFs83 Hz –
Qts0.64 +8%
Vas42.4 L +3%
BL11.8 T·m −13%, worse
Xmax1 mm −63%, worse
Sensitivity97.1 dB −0.5
P.AudioE12-200S-V2
No current priceFs65 Hz −21%, better
Qts0.69 +17%, worse
Vas42.2 L –
BL12.3 T·m −9%
Xmax4.1 mm +52%, better
Sensitivity93.9 dB −3.7, worse
JensenJN12-80TRS-8
No current priceFs72 Hz −13%, better
Qts0.55 −7%
Vas56.5 L +38%, worse
BL12.2 T·m −11%, worse
Xmax1 mm −63%, worse
Sensitivity96.7 dB −0.9
P.Audio12BMA-300B
No current priceFs61 Hz −26%, better
Qts0.49 −17%, better
Vas54.4 L +33%, worse
BL13.7 T·m –
Xmax4 mm +48%, better
Sensitivity95.7 dB −1.9
JensenMOD12-130-8
No current priceFs86 Hz +4%
Qts0.49 −17%, better
Vas38.4 L −6%
BL15.2 T·m +11%, better
Xmax1 mm −63%, worse
Sensitivity97 dB −0.6
JensenJN12-100TRS-8
No current priceFs72 Hz −12%, better
Qts0.52 −12%, better
Vas55.9 L +36%, worse
BL12.9 T·m −5%
Xmax1 mm −63%, worse
Sensitivity96.5 dB −1.1
JensenJN12-100TR-4
No current priceFs77 Hz −7%
Qts0.58 –
Vas47.2 L +15%, worse
BL9.0 T·m −34%, worse
Xmax1 mm −63%, worse
Sensitivity96.6 dB −1
P.AudioGST-12500-V3
No current priceFs56 Hz −32%, better
Qts0.48 −19%, better
Vas52.9 L +29%, worse
BL15.7 T·m +15%, better
Xmax3.3 mm +20%, better
Sensitivity94.6 dB −3, worse
JensenC12K-2-16
No current priceFs85 Hz +4%
Qts0.59 –
Vas42.1 L –
BL17.2 T·m +26%, better
Xmax1 mm −63%, worse
Sensitivity99.5 dB +1.9
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.