Гитарный динамик JENSEN LOUDSPEAKERS CH12/50 (8 Ohm). Инструкция на английском языке

®
JCH 12/50 - 8 ?
Guitar Loudspeaker
music industries                                                     Ref. # ZJ06220
GENERAL CHARACTERISTICS                             ELECTRICAL CHARACTERISTICS
Nominal Overall Diameter  .................    306 mm      Nominal Impedance...........................  8  ?
Nominal Voice Coil Diameter ..............    32  mm      Rated Power (DIN 45573 - IEC 268.5) ......  50  W
Magnet Weight ...............................    426  g      Musical Power (DIN 45500) ..................  100  W
Flux Density...................................    1.10  T      Sensitivity @ 1 W, 1 m .......................  94.3  dB
THIELE-SMALL PARAMETERS                                 n° 8 holes 9 ? 6.5
Voice Coil DC Resistance ...........  R E    6.30  ?               at 45° on O 293.5
Resonance Frequency ...............  f s    82.0 Hz                       305.5
Mechanical Q Factor................. Q MS    7.50
Electrical Q Factor...................  Q ES    1.73
Total Q Factor........................  Q TS    1.40
Mechanical Moving Mass ............ M MS    29.4 g
Mechanical Compliance.............  C MS    129.0  µm/N
Force Factor ..........................  B?l   7.43 Wb/m
Equivalent Acoustic Volume........  V AS    43.6 lt.                                          277.0
Maximum Linear Displacement .... X MAX    1.50 mm
Reference Efficiency ................  ? 0    1.33 %
2
Diaphragm Area ......................  S D    490.9 cm
Losses Electrical Resistance........  R ES    28.0  ?
Voice Coil Inductance @ 1kHz .....  L E    0.66 mH
CONSTRUCTIVE CHARACTERISTICS
Magnet.................................  Ferrite           2.5                                4.0
Voice Coil Winding...................  Copper
Voice Coil Former....................  Epotex
Cone ...................................  Paper                                               82.5
Surround...............................  Integrated Paper    108.5                        6.0
Dust Dome ............................  Non Treated Cloth                                     26.0
Basket ................................. Pressed Sheet Steel
O 102.0
Frequency Response on IEC Baffle (DIN 45575) @ 1 W, 1 m - Impedance
+110                                                                                         500
+105
200
+100
+95                                                                                           100
d   +90
B                                                                                               50
+85                                                                                              ?
S
P
L   +80                                                                                         20
+75
10
+70
5
+65
3
+60
20          50      100      200         500       1k       2k         5k       10k    20k
Hz
Due to continuing product improvement, the features and the design are subject to change without notice.  31/03/2005
Loudspeakers R & D  - Via G. Galilei, 20 - 60010 PASSO RIPE (AN) - ITALY - Tel. +39-071-7958072 - Fax +39-071-7959006 - E-mail: lab@sica.it