EminenceLEGEND 1258
£125.00Fs94 Hz −19%, better
Qts0.99 −5%
Vas32.5 L +67%, worse
BL10.9 T·m −10%
Xmax0.5 mm −52%, worse
Sensitivity95.6 dB −0.6
12-inch LF driver · Vintage Neo series · 50 mm voice coil · 100 W
Jensen N12K-8 8Ω
8 Ω
No current price
- Fs
- 116Hz
- Xmax
- 1mm
- SPL
- 96dB
- Pe
- 100W
- BL
- 12.1T·m
- Vd
- 49cm³
- Qts
- 1.04
- Vas
- 20L
Jensen N12K-8 is a 12-inch 8 ohm LF driver rated at 100 W RMS. The validated T/S data includes Fs 116 Hz, Qts 1.04, Vas 19.5 L, Xmax 1 mm, sensitivity 96.2 dB, plus 49 cm³ Vd and 100 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
- 116Hz
- Qts
- 1.04
- Qes
- 1.16
- Qms
- 16.3
- Vas
- 19.5L
- Re
- 6.7Ω
- Le
- 0.70mH
Motor and cone
- BL
- 12.1T·m
- Sd
- 491cm²
- Mms
- 33g
- Xmax Derived
- 1mm
- Vd †
- 49cm³
- Voice coil
- 50mm
- Flux density
- 1.20T
Power and response
- Sensitivity †
- 96.2dB
- Manufacturer sensitivity
- 97.2dB
- Power
- 100W
- Nominal power
- 100W
- Impedance
- 8Ω
- EBP †
- 100 · Sealed or vented
Size and mounting
- Diameter
- 307mm
- Weight
- 2kg
Other published values
- Cms
- 0.057mm/N
- Power Program
- 200
Sensitivity shows 96.2 dB, calculated from the T/S values. Jensen publishes 97.2 dB, 1.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Jensen lists
LF · Primary · 12″
- BL
- 12.1T·m
- Fs
- 116Hz
- Le
- 0.70mH
- Re
- 6.7Ω
- Sd
- 491cm²
- Cms
- 0.057mm/N
- Mms
- 33g
- Qes
- 1.16
- Qms
- 16.3
- Qts
- 1.04
- SPL
- 96.2dB
- Vas
- 19.5L
- Xmax
- 1mm
- Power
- 100W
- Impedance
- 8Ω
- Flux density
- 1.20T
- Sensitivity
- 97.2dB
- Nominal power
- 100W
- Power Program
- 200
- Calculated sensitivity †
- 96.2dB
- Manufacturer sensitivity
- 97.2dB
- Voice coil
- 50mm
- Weight
- 2kg
- Diameter
- 307mm
02
Compare
Same-size drivers, compared with the N12K-8. Clear differences are green when better and red when worse.
This driverN12K-8
Best price
–
Fs
116 Hz
Qts
1.04
Vas
19.5 L
BL
12.1 T·m
Xmax
1 mm
Sensitivity
96.2 dB
Power
100 W
JensenC12N-8
No current priceFs113 Hz –
Qts1.02 –
Vas22.6 L +16%, worse
BL10.5 T·m −13%, worse
Xmax1 mm –
Sensitivity97.7 dB +1.5
JensenC12N-16
No current priceFs110 Hz −5%
Qts1.06 –
Vas28 L +44%, worse
BL13.3 T·m +11%, better
Xmax1 mm –
Sensitivity97.5 dB +1.3
EminenceLEGEND 1275
No current priceFs111 Hz −4%
Qts1.02 –
Vas29.6 L +52%, worse
BL11.9 T·m –
Xmax0.47 mm −53%, worse
Sensitivity97.7 dB +1.5
JensenN12K-16
No current priceFs118 Hz –
Qts1.10 +6%
Vas19.2 L –
BL15.8 T·m +31%, better
Xmax1 mm –
Sensitivity97.6 dB +1.4
JensenJP12-100BB-8
No current priceFs95 Hz −18%, better
Qts0.92 −12%, better
Vas32.4 L +66%, worse
BL10.3 T·m −14%, worse
Xmax1 mm –
Sensitivity95.4 dB −0.8
JensenC12K-8
No current priceFs115 Hz –
Qts0.82 −21%, better
Vas19.6 L –
BL13.7 T·m +14%, better
Xmax1 mm –
Sensitivity99 dB +2.8, better
JensenJC12-50FA-8
No current priceFs107 Hz −8%
Qts0.86 −17%, better
Vas28.8 L +48%, worse
BL10.8 T·m −10%, worse
Xmax1 mm –
Sensitivity95.9 dB –
JensenJC12-50FA-16
No current priceFs113 Hz –
Qts1.29 +24%, worse
Vas21.5 L +10%, worse
BL13.5 T·m +12%, better
Xmax1 mm –
Sensitivity96.6 dB –
JensenJP12-100BB-16
No current priceFs104 Hz −11%, better
Qts1.19 +14%, worse
Vas29.4 L +51%, worse
BL12.8 T·m +6%
Xmax1 mm –
Sensitivity97.1 dB +0.9
JensenJC12-70EL-8
No current priceFs95 Hz −18%, better
Qts0.67 −36%, better
Vas32 L +64%, worse
BL12.7 T·m +5%
Xmax1 mm –
Sensitivity96.7 dB +0.5
JensenP12N-8
No current priceFs90 Hz −22%, better
Qts0.77 −26%, better
Vas34.6 L +77%, worse
BL10.6 T·m −12%, worse
Xmax1 mm –
Sensitivity96.1 dB –
JensenP12N-NB-8
No current priceFs90 Hz −22%, better
Qts0.77 −26%, better
Vas34.6 L +77%, worse
BL10.6 T·m −12%, worse
Xmax1 mm –
Sensitivity96.1 dB –
JensenC12K-16
No current priceFs113 Hz –
Qts0.86 −17%, better
Vas19 L –
BL18.3 T·m +52%, better
Xmax1 mm –
Sensitivity99 dB +2.8, better
JensenC12-75NH-8
No current priceFs83 Hz −28%, better
Qts0.64 −38%, better
Vas42.4 L +117%, worse
BL11.8 T·m –
Xmax1 mm –
Sensitivity97.1 dB +0.9
JensenJN12-80TRS-8
No current priceFs72 Hz −38%, better
Qts0.55 −47%, better
Vas56.5 L +190%, worse
BL12.2 T·m –
Xmax1 mm –
Sensitivity96.7 dB +0.5
JensenC12D-8
No current priceFs62 Hz −46%, better
Qts0.40 −62%, better
Vas69.6 L +257%, worse
BL12.3 T·m –
Xmax1 mm –
Sensitivity99.6 dB +3.4, better
JensenP-A-JC12-70SB-8
No current priceFs87 Hz −25%, better
Qts1.03 –
Vas40.3 L +107%, worse
BL9.1 T·m −25%, worse
Xmax2 mm +100%, better
Sensitivity95 dB −1.2
JensenN12D-8
No current priceFs61 Hz −47%, better
Qts0.39 −63%, better
Vas75.3 L +286%, worse
BL11.6 T·m −4%
Xmax1 mm –
Sensitivity99.8 dB +3.6, better
JensenJN12-100TRS-8
No current priceFs72 Hz −38%, better
Qts0.52 −50%, better
Vas55.9 L +187%, worse
BL12.9 T·m +7%
Xmax1 mm –
Sensitivity96.5 dB –
JensenMOD12-70-16
No current priceFs83 Hz −28%, better
Qts1.04 –
Vas42.4 L +117%, worse
BL12.6 T·m +4%
Xmax1.5 mm +50%, better
Sensitivity96 dB –
JensenC12N-4
No current priceFs113 Hz –
Qts0.82 −21%, better
Vas22.8 L +17%, worse
BL8.6 T·m −29%, worse
Xmax1.5 mm +50%, better
Sensitivity96.3 dB –
JensenP12N-16
No current priceFs91 Hz −22%, better
Qts0.84 −19%, better
Vas42.2 L +116%, worse
BL13.7 T·m +14%, better
Xmax1 mm –
Sensitivity97.8 dB +1.6
JensenP12N-NB-16
No current priceFs91 Hz −22%, better
Qts0.84 −19%, better
Vas42.2 L +116%, worse
BL13.7 T·m +14%, better
Xmax1 mm –
Sensitivity97.8 dB +1.6
JensenJN12-100TR-8
No current priceFs72 Hz −38%, better
Qts0.52 −50%, better
Vas55.9 L +187%, worse
BL12.9 T·m +7%
Xmax1 mm –
Sensitivity98.5 dB +2.3, better
JensenJC12-70EL-16
No current priceFs93 Hz −20%, better
Qts0.88 −15%, better
Vas35.3 L +81%, worse
BL14.6 T·m +21%, better
Xmax1 mm –
Sensitivity98.1 dB +1.9
JensenP12Q-32
No current priceFs86 Hz −26%, better
Qts2.55 +145%, worse
Vas46.6 L +139%, worse
BL10.2 T·m −16%, worse
Xmax1 mm –
Sensitivity92.3 dB −3.9, worse
JensenN12D-4
No current priceFs63 Hz −46%, better
Qts0.37 −64%, better
Vas63.8 L +227%, worse
BL10.1 T·m −16%, worse
Xmax1 mm –
Sensitivity97.4 dB +1.2
JensenC12D-4
No current priceFs63 Hz −46%, better
Qts0.37 −64%, better
Vas63.8 L +227%, worse
BL10.1 T·m −16%, worse
Xmax1 mm –
Sensitivity97.5 dB +1.3
JensenP-A-JN12-100T-SPEC-8
No current priceFs85 Hz −26%, better
Qts0.77 −26%, better
Vas34.7 L +78%, worse
BL12.3 T·m –
Xmax1.5 mm +50%, better
Sensitivity95.7 dB −0.5
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.