Гитарный динамик JENSEN LOUDSPEAKERS C12/70EL (8 Ohm). Инструкция на английском языке

12"- 140W Ceramic Guitar Loudspeaker
C 12/70 EL - 16 ?
Code ZJ06385
GENERAL CHARACTERISTICS                             ELECTRICAL CHARACTERISTICS
Nominal Overall Diameter  .................  307 mm  Nominal Impedance...........................  16  ?
Nominal Voice Coil Diameter ..............  50 mm    Musical Power .................................  140 W
Magnet Weight ...............................  1450 g  Rated Power* ..................................  70 W
Flux Density...................................  1.15  T      Sensitivity @ 1 W, 1 m .......................  98.1  dB
Weight.........................................  4.50 Kg
THIELE-SMALL PARAMETERS                                            n° 8 holes O 6.5
Voice Coil DC Resistance ...........  R E    11.94  ?                    307.0 at 45° on O 293.5
Resonance Frequency ...............  f s    93.0 Hz
Mechanical Q Factor................. Q MS    14.50
Electrical Q Factor................... Q ES    0.93
Total Q Factor........................ Q TS    0.88
Mechanical Moving Mass ............ M MS    28.3 g
Mechanical Compliance............. C MS    103  µm/N
Force Factor .......................... B?l   14.56 Wb/m                                      277.0
Equivalent Acoustic Volume........ V AS    35.3 lt.
Maximum Linear Displacement .... X MAX    +/-1.0 mm
Reference Efficiency ................  ? 0    2.92 %
2
Diaphragm Area ......................  S D    490.9 cm
Losses Electrical Resistance........ R ES    185.7  ?
Voice Coil Inductance @ 1kHz .....  L E    0.80 mH
2.7
CONSTRUCTIVE CHARACTERISTICS                                                        4.3
Magnet.................................  Ferrite
Voice Coil Winding...................  Aluminium
Voice Coil Former....................  Kapton                                                91.0
Cone ...................................  Paper           126.0                          8.0
Surround...............................  Paper - Integrated
Dust Dome ............................  Non Treated Cloth                                    35.0
Basket .................................  Pressed Sheet Steel           O 155.0
*rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure
Thiele-Small parameters measured with LASER system
Frequency Response on IEC Baffle (DIN 45575) @ 1 W, 1 m – Free Air Impedance
+ 110                                                                                            50 0
+ 105
20 0
+ 100
+9 5                                                                                            10 0
d   +9 0
B                                                                                                  50
+8 5                                                                                              ?
S
P
L   +8 0                                                                                           20
+7 5
10
+7 0
5
+6 5
3
+6 0
20          50      1 00     200         500       1 k      2k          5k      1 0 k   20 k
Hz
Due to continuing product improvement, the features and the design are subject to change without notice.       15/07/11
SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006