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DS 30
.3
1000 W
Technical Specifications
Component
Subwoofer
Size
mm (in.)
Power handling W
peak
cont. program
Impedance
Frequency response
Hz
Sensitivity
dB/SPL
Magnet size
mm
D x d x h
(in.)
Total Driver
l (cu.in)
Displacement
Voice Coil
mm (in.)
Magnet
High density flux ferrite
Cone
Polypropylene with Mica injection
Weight of one
kg (lb.)
component
*X-mech
mm (in.)
* X-mech:
maximum mechanical excursion; indicates the
maximum linear motion range of the speaker in both directions.
Electro-Acoustic Parameters
D
mm
Xmax
mm
Re
Ω
Fs
Hz
Le
mH
Vas
l
Mms
g
Cms
mm/N
BL
T·m
Qts
-
Qes
-
Qms
-
Spl
dB
Elettromedia
300 (12)
1000
250
4
1. Polypropylene membrane stiffened with mineral powder.
28 ÷ 300
2. High excursion butyl rubber surround.
91
3. Deep ribbing on the surface of the cone increase rigidity.
115 x 50 x 25
4. Very high efficiency, with superior power handling.
(4.5 x 2 x 1)
5. Designed to be used in small sealed or reflex (vented) enclosures.
1,8 (109.8)
6. Pure copper voice coil, wound on aluminum former, for very good thermal
38 (1.5)
and mechanical capacity.
7. Venting system provides better thermal dissipation and consistent
performance.
4 (8.8)
16 (0.63)
50.0
Ohm
40.0
30.0
258
9
3,3
20.0
32
2,2
70
133
10.0
0,18
11,2
0,62
0,71
0.0
10
10
20
5,14
91
A
306 mm (12 in.)
B
279 mm (11 in.)
C
132 mm (5.2 in.)
D
120 mm (4.7 in.)
- 62018 Potenza Picena (MC) Italy - T +39 0733 870 870 - F +39 0733 870 880 - www.elettromedia.it
www.hertzaudiovideo.com
50
100
200
B
A
500
Hz
1k
1k
D
C
18
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