Hertz ML 280 [13/36] Installation patterns
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Hertz ML 280 [13/36] Installation patterns

Hertz ML 1600 [13/36] Installation patterns
Below you can find an easy diagram with some filter network typologies for standard crossover
frequencies. The diagram and the values have been exclusively designed for ML 280 tweeter. Let
us remind you that the tweeter filter must be integrated with the midwoofer one in order to get
smooth, regular response. Therefore, this filter must be always implemented according to the
whole project, rather than be considered an absolute reference in complete systems.
0 dB
-5 dB
-1.5 dB
-3 dB
-4 dB
-6 dB
R 1
R 2
R 3
R 4
R 5
C 1
R 6
L 1
ML 280
3,9
3,9
3,9
3,9
3,9
3,9
3,9
3,9
4,7
4,7
4,7
4,7
4,7
4,7
4,7
4,7
1
1
1
-
1
1
1
-
10,0
6,8
4,7
2,2
12,2
6,8
4,7
2,2
0,33
0,22
0,22
0,15
0,47
0,33
0,22
0,15
2,7
2,7
2,7
2,7
2,7
2,7
2,7
2,7
1,8
1,8
1,8
1,8
1,8
1,8
1,8
1,8
1
1
1
1
1
1
1
1
2000 Hz
2800 Hz
3500 Hz
5000 Hz
1800 Hz
2500 Hz
3500 Hz
5000 Hz
Components Cut-off R1 R2 R3 R4 R5 R6 C1 L1
frequency ohm ohm ohm ohm ohm ohm uf mH
Caution
- Don't remove the damping material which is inside the two chambers.
- Don't remove the grille from the tweeter back.
Chambers mounting
Electrical diagram
ML 280
Small Chamber
ML 280
Big Chamber
ML 280 mounting
ML 280 tweeters have two acoustic chambers, which can be easily, quickly removed and
interchanged. This technical solution can optimise the performance of every type of installation.
The tweeter can be used in different configurations since it is possible to choose the best Q for
one's system by changing the rear acoustic chamber. The chambers simulate sealed box
configuration and they are filled with natural, non-woven absorbing material for the component
best damping. The Small Chamber increases Q factor and makes the tweeter slope sharper; the
Big Chamber makes slope smoother at lower frequencies.
Small Chamber Big Chamber
Small Chamber solution optimises
sound when installation occurs in thin
locations.
Big Chamber solution insures the flattest
mid-frequency response and more
damping when installation occurs in
bigger locations.
Flush mounting
- Fix the housing from behind through the
metallic ring given with it.
Installation Patterns
English

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