Vintage Jensen |
JENSEN 12" BLACKBIRD - 'JET SERIES' ALNICO GUITAR SPEAKER |
SPEAKER
MODEL |
JET BLACKBIRD |
Specifications |
|
Nominal
Basket Diameter |
12"
/ 307mm |
Impedance |
8
/ 16 ohms |
Rated Power |
100
Watts |
Musical Power | 200 Watts |
Frequency
Response |
60Hz
-5.5kHz |
Sensitivity
(1W/1m) |
98 dB |
Voice
Coil Diameter |
2"
/ 50mm |
Magnet Assembly Weight | 7.1 lbs. / 3.23 kg. |
Speaker Materials |
|
Magnet | Alnico |
Voice Coil Winding | Aluminum |
Voice Coil Former | Kapton |
Cone | Paper |
Surround | Integrated Paper |
Dust Dome | Non Treated Cloth |
Basket | Pressed Sheet Steel |
Mounting Information |
|
Overall Diameter | 12.09" / 307mm |
Front Mount Baffle Cutout | 10.09" / 277mm |
Bolt Circle Diameter | 11.56" / 293.5mm |
Overall Depth | 6.95" / 176.4mm |
Thiele-Small Parameters |
|
Resonant Frequency (fs) | 95.1 Hz |
Impedance (Re) | 6.3 ohms |
Coil Inductance (Le) | .59mH |
Electromagnetic Q (Qes) | .9 |
Mechanical Q (Qms) | 11.81 |
Total Q (Qts) | .84 |
Comp. Equiv. Vol. (Vas) | 34.4 Liters/1.21cu. ft. |
Max. Displacement (Xmax) | 1.0mm |
Surface area of Cone (Sd) | .490 m2 |
Efficiency (Half Space) | 3.13% |
Pe Maximum (Watts) | 200 |
Flux Density | .96 T |
Dimensional Drawing |
|
Frequency Response | |
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