Jensen Loudspeakers P-A-JC12-70EL User Manual

Loudspeakers

12"-70W Jet Series Guitar Loudspeaker

12" Electric Lightning 70 - 8W / 16W

SKU: JC12-70EL

GENERAL CHARACTERISTICS
Nominal Overall Diameter 307 mm. 12 in.
Nominal Voice Coil Diameter 50 mm. 2.00 in.
Magnet Weight 1450 g 50.00 oz
Overall Weight 9.92 lbs
Flux Density 1.15 T
Voice Coil Winding Depth 0.39 in.
Magnetic Gap Depth 0.31 in.

THIELE-SMALL PARAMETERS 8W 16W
Voice Coil DC Resistance

R

E

6.33 11.94 W

Resonance Frequency

ƒ

S

95.0 93.0 Hz

Mechanical Q Factor

Q

MS

14.77 14.50

Electrical Q Fa ctor

Q

ES

0.70 0.93

Total Q Factor

Q

TS

0.67 0.88

Mechanical M oving Ma ss

M

MS

29.9 28.3 g

Mechanical C ompliance

C

MS

94 103 µm/N

Force Factor BxL 12.70 14.56 Wb/m

Equivalent Acoustic Volume

V

AS

32.0 35.3 lt.

Maximum Linear Displacement

X

MAX

1.00 1.00 mm

Reference Efficiency

n

O

3.76 2.92 %

Diaphragm Area

S

D

490.9 490.9

cm

2

Losses Electrical Resistance

R

ES

133.3 185.7 W

Voice Coil Inductance @ 1kHz

L

E

0.60 0.80 mH

CONSTRU CTIVE CHARACTERISTICS
Magnet Ferrite
Voice Coil Winding Aluminum
Voice Coil Former Kapton
Cone Material Paper
Surround Material Integrated Paper
Dust Dome Material Non-treated Cloth
Basket Material Pressed Sheet Steel
Surround Treatment Yes

ELECTRICAL CHARACTERISTICS 8W 16W
Nominal Impedance 8 16 W
Rated Power 70 70 W
Musical Power 140 140 W
Sensitivity@1W,1m 99.0 98.1 dB

2.7

126.0

4.391.0

35.0

277.0

307.0

n° 8 holes Ø 6.5

at 45° on Ø 293.5

Ø155.0

8.0

03/08/2017

Due to continuing product improvement, the features and the design are subject to change without notice.

Jensen Loudspeakers · website: www.jensentone.com · email: [e-mail]

2 5

100

2 5

1000

2 5

10k

2

+60

+65

+70

+75

+80

+85

+90

+95

+100

+105

+110

5

10

2

5

100

2

5

Frequency Response on IEC Baffle (DIN 45575) @ 1W, 1m - Free Air Impedance

Hz

dB SPL

W

JC12-7 0EL 8W

JC12-7 0EL 16W