6"- 30W  Ceramic Guitar Loudspeaker 

CH 6/15 - 4 

Ω 

Code ZJ03020

 

 

GENERAL CHARACTERISTICS

 

 

ELECTRICAL CHARACTERISTICS

 

Nominal Overall Diameter  .................

165 mm   Nominal 

Impedance...........................

4 

Ω 

Nominal Voice Coil Diameter ..............

20 mm   Musical 

Power .................................

30 

W 

Magnet Weight ...............................

160 g  

Rated 

Power* ..................................

15 

W 

Flux Density...................................

1.10  T 

 

Sensitivity @ 1 W, 1 m .......................

90.9  dB 

Weight .........................................

0.50 Kg 

 

 

  

 

 

THIELE-SMALL PARAMETERS

 

Voice Coil DC Resistance ...........

R

E

 

3.00 

Ω

 

Resonance Frequency ...............

f

s

 

91.0 Hz 

Mechanical Q Factor.................

Q

MS

 

8.06  

Electrical Q Factor...................

Q

ES

 

1.39  

Total Q Factor........................

Q

TS

 

1.19  

Mechanical Moving Mass ............

M

MS

 

5.5 g 

Mechanical Compliance.............

C

MS

 

552 

µ

m/N 

Force Factor ..........................

B×l 

2.68 Wb/m 

Equivalent Acoustic Volume........

V

AS

 

11.7 lt. 

Maximum Linear Displacement ....

X

MAX

 

+/-0.5 mm 

Reference Efficiency ................

η

0

 

0.61 % 

Diaphragm Area ......................

S

D

 

122.7 cm

2

 

Losses Electrical Resistance........

R

ES

 

18.0 

Ω

 

Voice Coil Inductance @ 1kHz .....

L

E

 

0.16 mH

 

 

 

CONSTRUCTIVE CHARACTERISTICS

 

Magnet.................................

Ferrite 

Voice Coil Winding...................

Copper 

Voice Coil Former....................

Epotex 

Cone ...................................

Paper 

Surround...............................

Foam

 

Dust Dome ............................

Solid Paper 

Basket ................................. Pressed Sheet Steel 

 

 

 
 
 

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

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

     

14/10/08

 

 

SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006 

 

165.8

142.0

4.

0

36

4.0

18

54.

0

Ø 72.0

4.0

n° 4 holes 7 × 5

at 90° on 155.0

 

3  

5 0 0  

5  

1 0  

2 0  

5 0  

1 0 0  

2 0 0  

Ω  

+ 6 0  

+ 1 1 0  

+ 6 5  

+ 7 0  

+ 7 5  

+ 8 0  

+ 8 5  

+ 9 0  

+ 9 5  

+ 1 0 0  

+ 1 0 5  

d  

B  

   

S  

P  

L  

2 0  

2 0 k  

5 0   1 0 0  2 0 0  

5 0 0   1 k   2 k  

5 k   1 0 k  

H z  

 

*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