EminenceTEXAS HEAT-4
£110.67Fs89 Hz −5%
Qts0.68 −50%, better
Vas39 L +13%, worse
BL9.5 T·m +16%, better
Xmax0.8 mm −47%, worse
Sensitivity98 dB +4.2, better
12-inch LF driver · Jet series · 32 mm voice coil · 40 W
Jensen P-A-JP12-40BB-8 8Ω
8 Ω
No current price
- Fs
- 93Hz
- Xmax
- 1.5mm
- SPL
- 94dB
- Pe
- 40W
- BL
- 8.2T·m
- Vd
- 74cm³
- Qts
- 1.36
- Vas
- 35L
Jensen P-A-JP12-40BB-8 is a 12-inch 8 ohm LF driver rated at 40 W RMS. The validated T/S data includes Fs 93 Hz, Qts 1.36, Vas 34.6 L, Xmax 1.5 mm, sensitivity 93.8 dB, plus 74 cm³ Vd and 50 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
- 93Hz
- Qts
- 1.36
- Qes
- 1.85
- Qms
- 14.3
- Vas
- 34.6L
- Re
- 5.9Ω
- Le
- 0.40mH
Motor and cone
- BL
- 8.2T·m
- Sd
- 491cm²
- Mms
- 29g
- Xmax Derived
- 1.5mm
- Vd †
- 74cm³
- Voice coil
- 32mm
- Flux density
- 1.28T
Power and response
- Sensitivity †
- 93.8dB
- Manufacturer sensitivity
- 96dB
- Power
- 40W
- Nominal power
- 40W
- Impedance
- 8Ω
- EBP †
- 50 · Sealed or vented
Size and mounting
- Diameter
- 307mm
- Weight
- 2kg
Other published values
- Cms
- 0.10mm/N
- Power Program
- 80
Sensitivity shows 93.8 dB, calculated from the T/S values. Jensen publishes 96.0 dB, 2.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Jensen lists
LF · Primary · 12″
- BL
- 8.2T·m
- Fs
- 93Hz
- Le
- 0.40mH
- Re
- 5.9Ω
- Sd
- 491cm²
- Cms
- 0.10mm/N
- Mms
- 29g
- Qes
- 1.85
- Qms
- 14.3
- Qts
- 1.36
- SPL
- 93.8dB
- Vas
- 34.6L
- Xmax
- 1.5mm
- Power
- 40W
- Impedance
- 8Ω
- Flux density
- 1.28T
- Sensitivity
- 96dB
- Nominal power
- 40W
- Power Program
- 80
- Calculated sensitivity †
- 93.8dB
- Manufacturer sensitivity
- 96dB
- Voice coil
- 32mm
- Weight
- 2kg
- Diameter
- 307mm
02
Compare
Same-size drivers, compared with the P-A-JP12-40BB-8. Clear differences are green when better and red when worse.
This driverP-A-JP12-40BB-8
Best price
–
Fs
93 Hz
Qts
1.36
Vas
34.6 L
BL
8.2 T·m
Xmax
1.5 mm
Sensitivity
93.8 dB
Power
40 W
EminenceLEGEND 1258
£125.00Fs94 Hz –
Qts0.99 −27%, better
Vas32.5 L −6%
BL10.9 T·m +33%, better
Xmax0.5 mm −68%, worse
Sensitivity95.6 dB +1.8
REDCATT121NPM
£211.16Fs50 Hz −46%, better
Qts0.16 −88%, better
Vas59.2 L +71%, worse
BL27.8 T·m +239%, better
Xmax1.5 mm –
Sensitivity98.7 dB +4.9, better
EminenceGA-SC59
£233.17Fs89 Hz −5%
Qts0.61 −55%, better
Vas41.2 L +19%, worse
BL13.6 T·m +65%, better
Xmax1.6 mm +7%
Sensitivity98.7 dB +4.9, better
JensenMOD12-50-8
No current priceFs82 Hz −12%, better
Qts1.40 –
Vas43.6 L +26%, worse
BL7.4 T·m −9%
Xmax1.5 mm –
Sensitivity92.7 dB −1.1
JensenJN12-65TRS-8
No current priceFs83 Hz −11%, better
Qts0.95 −30%, better
Vas43.5 L +26%, worse
BL9.4 T·m +15%, better
Xmax1.5 mm –
Sensitivity94.5 dB +0.7
JensenC12N-4
No current priceFs113 Hz +22%, worse
Qts0.82 −40%, better
Vas22.8 L −34%, better
BL8.6 T·m +5%
Xmax1.5 mm –
Sensitivity96.3 dB +2.5, better
JensenC12Q-16
No current priceFs86 Hz −8%
Qts1.99 +46%, worse
Vas46.3 L +34%, worse
BL8.2 T·m –
Xmax1.5 mm –
Sensitivity93.9 dB –
JensenMOD12-35-16
No current priceFs90 Hz −3%
Qts1.92 +41%, worse
Vas34.8 L –
BL10.0 T·m +22%, better
Xmax1.5 mm –
Sensitivity94 dB –
JensenP-A-JP12-40BB-16
No current priceFs90 Hz −3%
Qts1.63 +20%, worse
Vas39 L +13%, worse
BL10.1 T·m +23%, better
Xmax1.5 mm –
Sensitivity95.2 dB +1.4
JensenMOD12-50-16
No current priceFs83 Hz −11%, better
Qts1.63 +20%, worse
Vas42.3 L +22%, worse
BL9.6 T·m +17%, better
Xmax1.5 mm –
Sensitivity93.5 dB –
JensenMOD12-70-8
No current priceFs78 Hz −16%, better
Qts0.89 −35%, better
Vas48.1 L +39%, worse
BL8.3 T·m –
Xmax1.5 mm –
Sensitivity97.5 dB +3.7, better
JensenC12Q-8
No current priceFs88 Hz −6%
Qts2.23 +64%, worse
Vas38 L +10%
BL6.0 T·m −26%, worse
Xmax1.5 mm –
Sensitivity92.2 dB −1.6
JensenJN12-65TRS-16
No current priceFs80 Hz −14%, better
Qts1.27 −7%
Vas47.3 L +37%, worse
BL11.1 T·m +35%, better
Xmax1.5 mm –
Sensitivity95.5 dB +1.7
JensenP-A-JN12-100T-SPEC-8
No current priceFs85 Hz −8%
Qts0.77 −43%, better
Vas34.7 L –
BL12.3 T·m +50%, better
Xmax1.5 mm –
Sensitivity95.7 dB +1.9
JensenMOD12-70-4
No current priceFs74 Hz −21%, better
Qts0.90 −34%, better
Vas51.7 L +49%, worse
BL7.2 T·m −12%, worse
Xmax1.5 mm –
Sensitivity94.4 dB +0.6
JensenP-A-JN12-100T-SPEC-16
No current priceFs88 Hz −6%
Qts0.85 −38%, better
Vas36.1 L +4%
BL15.0 T·m +83%, better
Xmax1.5 mm –
Sensitivity97.4 dB +3.6, better
JensenMOD12-35-8
No current priceFs74 Hz −21%, better
Qts1.54 +13%, worse
Vas54.4 L +57%, worse
BL7.3 T·m −11%, worse
Xmax1 mm −33%, worse
Sensitivity92.1 dB −1.7
JensenP-A-JC12-70SB-8
No current priceFs87 Hz −7%
Qts1.03 −24%, better
Vas40.3 L +16%, worse
BL9.1 T·m +11%, better
Xmax2 mm +33%, better
Sensitivity95 dB +1.2
JensenMOD12-70-16
No current priceFs83 Hz −11%, better
Qts1.04 −24%, better
Vas42.4 L +23%, worse
BL12.6 T·m +53%, better
Xmax1.5 mm –
Sensitivity96 dB +2.2, better
JensenP-A-JC12-70SB-16
No current priceFs92 Hz –
Qts1.24 −9%
Vas34.7 L –
BL12.4 T·m +51%, better
Xmax2 mm +33%, better
Sensitivity96.3 dB +2.5, better
JensenP12Q-16
No current priceFs90 Hz −3%
Qts2.30 +69%, worse
Vas41.2 L +19%, worse
BL8.1 T·m –
Xmax1 mm −33%, worse
Sensitivity96.1 dB +2.3, better
JensenJP12-100BB-8
No current priceFs95 Hz –
Qts0.92 −32%, better
Vas32.4 L −6%
BL10.3 T·m +26%, better
Xmax1 mm −33%, worse
Sensitivity95.4 dB +1.6
JensenJC12-50FA-8
No current priceFs107 Hz +15%, worse
Qts0.86 −37%, better
Vas28.8 L −17%, better
BL10.8 T·m +32%, better
Xmax1 mm −33%, worse
Sensitivity95.9 dB +2.1, better
JensenJP12-100BB-16
No current priceFs104 Hz +11%, worse
Qts1.19 −13%, better
Vas29.4 L −15%, better
BL12.8 T·m +55%, better
Xmax1 mm −33%, worse
Sensitivity97.1 dB +3.3, better
JensenC12R-8
No current priceFs88 Hz −5%
Qts2.47 +82%, worse
Vas37.5 L +8%
BL6.2 T·m −24%, worse
Xmax0.8 mm −47%, worse
Sensitivity91.6 dB −2.2, worse
JensenJC12-50FA-16
No current priceFs113 Hz +21%, worse
Qts1.29 −5%
Vas21.5 L −38%, better
BL13.5 T·m +64%, better
Xmax1 mm −33%, worse
Sensitivity96.6 dB +2.8, better
JensenP12N-8
No current priceFs90 Hz −3%
Qts0.77 −43%, better
Vas34.6 L –
BL10.6 T·m +30%, better
Xmax1 mm −33%, worse
Sensitivity96.1 dB +2.3, better
JensenP12N-NB-8
No current priceFs90 Hz −3%
Qts0.77 −43%, better
Vas34.6 L –
BL10.6 T·m +30%, better
Xmax1 mm −33%, worse
Sensitivity96.1 dB +2.3, better
JensenJN12-100TR-4
No current priceFs77 Hz −18%, better
Qts0.58 −57%, better
Vas47.2 L +36%, worse
BL9.0 T·m +10%, better
Xmax1 mm −33%, worse
Sensitivity96.6 dB +2.8, better
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.