Гитарный динамик JENSEN LOUDSPEAKERS BP12/250 8 Ohm. Инструкция на английском языке

bass guitar                      BPBP  1212//250250  88
B
BPP  1212//250250  88
C
Codeode  ZJ06820ZJ06820
CodeCode  ZJ06820ZJ06820
punch
1
12"2"  500500W                          W
12"12"  500500W                          W
·  Punch sound bass guitar loudspeaker
·  2” voice coil Kapton former
·  Ferrite magnet circuit
·  97.5 dB sensitivity
Specifications
Nominal Diameter                              318mm (12")
Nominal Impedance                               8?
(1)
Rated Power AES                               250W
(2)
Continuous Program Power                      500W
(3)
Sensitivity @ 1W/1m                           97.5dB
n° 8 holes 5?9
Voice Coil Diameter                            65mm (2.5")
on O 300.0
Voice Coil Winding Depth                       12mm                            318.0
Magnetic Gap Depth                              8mm
Flux Density                                  1.15T
Magnet Weight                                1450g
Net Weight                                     4.8kg
(4)
Thiele & Small Parameters
Re             6.21?           Fs             50.2Hz
Qms            5.14            Qes            0.34                                                  285.0
Qts            0.32            Mms            46.6g
Cms             216µm/N        Bxl           16.40Tm
2
Vas            73.5l           Sd            490.9cm
(5)
(6)
X max         +/-3.1mm         X var        +/-5.5mm
? 0            2.64%           Le (1kHz)      0.94mH
Constructive Characteristics                    4.0
Magnet                       : Ferrite                                                              6.3
Basket Material              : Pressed Sheet Steel
Voice Coil Winding Material   : Copper
Voice Coil Former Material   : Kapton                                                               86.5
Cone Material                : Paper                             123.5                          8.0
Cone Treatment               : No
Surround Material            : Treated Cloth                                                        37.0
Dust Dome Material           : Solid Paper                                    O 154.0
Frequency Response on 55 Litres Vented Box @ 1W, 0.5m, normalized to SPL 1m
Free Air Impedance
+ 1 1 0                                                                   5 0 0
Note:
1  :  Rated  Power  measured  with  2
+ 1 0 5
hours  test  with  pink  noise  signal,  6dB
2 0 0    crest  factor,  loudspeaker  mounted  on
+ 1 0 0
enclosure
2:  Power  on  Continuous  Program  is
+ 9 5                                                                      1 0   0
defined as 3 dB greater than the Rated
Power
d    + 9 0                                                                     3:  Calculated  by  Thiele  &  Small
B                                                                           5 0
parameters
+ 8 5                                                                         W WW W      4:   Thiele   &   Small   parameters
S
P                                                                               measured  with  laser  system  without
+ 8 0                                                                         preconditioning test
L                                                                           2 0
5: Measured with respect to a THD of
+ 7 5                                                                         10% using a parameter-based method
1 0    6:  Value  corresponding  to  a  decay  of
+ 7 0                                                                         the  Force  Factor,  or  Compliance,  or
both,  equal  to  the  50%  of  the  small
5    signal value.
+ 6 5
7: Drawing dimensions: mm
3
+ 6 0
2 0       5 0    1 0 0    2 0 0    5 0 0    1 k    2 k    5 k    1 0 k    2 0 k
H z
Due to continuing product improvement, the features and the design are subject to change without notice.       03/03/14
SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006