Jensen Loudspeakers P-A-MOD12-70 User Manual

Loudspeakers

12"-70W Mod Series Guitar Loudspeaker

Mod 12-70 - 4W / 8W / 16W

GENERAL CHARACTERISTICS
Nominal Overall Diameter 306 mm. 12 in.
Nominal Voice Coil Diameter 38 mm. 1.50 in.
Magnet Weight 640 g 22.50 oz
Overall Weight 5.30 lbs
Flux Density 1.16 T

THIELE-SMALL PARAMETERS 4W 8W 16W
Voice Coil DC Resistance

R

E

3.53 5.00 12.00 W

Resonance Frequency

ƒ

S

74.0 78.0 83.0 Hz

Mechanical Q Factor

Q

MS

14.63 13.77 7.84

Electrical Q Fa ctor

Q

ES

0.96 1.06 1.19

Total Q Factor

Q

TS

0.90 0.89 1.04

Mechanical M oving Ma ss

M

MS

30.6 29.6 30.3 g

Mechanical C ompliance

C

MS

151 141 125 µm/N

Force Factor BxL 7.23 8.28 12.56 Wb/m

Equivalent Acoustic Volume

V

AS

51.7 48.1 42.4 lt.

Maximum Linear Displacement

X

MAX

1.50 1.50 1.50 mm

Reference Efficiency

n

O

2.10 2.09 1.88 %

Diaphragm Area

S

D

490.9 490.9 490.9

cm

2

Losses Electrical Resistance

R

ES

51.0 67.7 80.0 W

Voice Coil Inductance @ 1kHz

L

E

0.43 0.58 1.00 mH

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

ELECTRICAL CHARACTERISTICS 4W 8W 16W
Nominal Impedance 4 8 16 W
Rated Power 70 70 70 W
Musical Power 140 140 140 W
Sensitivity@1W,1m 96.0 97.5 96.0 dB

305.5

277.0

4.082.6

2.5

n° 8 holes 9×6.5
at 45° on Ø293.5

27.0

6.0

109.5

Ø121.0

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

MOD1 2-70 4W

MOD1 2-70 8W

MOD1 2-70 16W