JAMO C 80 SUB Брошюра и технические характеристики - Страница 5
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Jamo Tech platforms
WaveGuide
WaveGuide refers to the unique way Jamo has shaped the tweeter's face-
plate. The result is a controlled sound pattern with a more open and dynamic
reproduction of sound. WaveGuide makes it easier to position the speakers
in the room.
another big challenge is to secure a uniform dispersion pattern in the tre-
ble and midrange frequencies. in general, dispersion gets narrower at high-
er frequencies. consequently in the area where the mid/woofer and the
tweeter should integrate smoothly, the mid/woofer has a narrow dispersion
and the tweeter has a wide dispersion. This problem is solved with the Jamo
WaveGuide. The completely smooth design of the WaveGuide also reduces
diffraction to an absolute minimum. Finally, the WaveGuide increases treble
output in the lower treble range which means the tweeter needs less power for
the same sPL. so, power handling is improved and distortion is reduced.
dB (sPL)
120
110
100
▲ on-axis
90
▼ off-axis
80
70
60
50
40
30
WaveGuide
Normal tweeter
20
100
200
500
1k
The WaveGuide results in a uniform treble dispersion pattern from
10kHz all the way down to the critical x-over point at 2kHz and thus
secures a seamless transition to the mid/woofer – both when listen-
ing on and off axis.
2k
5k
10k
20k
DTT (Decoupled Tweeter Technology)
DTT* (Decoupled Tweeter Technology) is a remarkable mounting system
specially developed by Jamo.
one of the biggest challenges when designing speakers is preventing unwanted
cabinet vibrations from clouding or colouring the sound. High frequencies are
particularly susceptible. This problem is solved using the ingenious Jamo DTT.
By decoupling the tweeter from the rest of the loudspeaker, vibrations trans-
mitted from the front baffle to the tweeter are reduced by more than 20dB
resulting in an uncommonly detailed and realistic reproduction of high fre-
quencies.
* Patent pending
dB
125
120
115
110
105
100
95
90
85
80
75
70
Normal face plate
overplot
60.0
100.0
Difference between vibrations in a normal face-plate and vibra-
tions in a face-plate employing Decoupled Tweeter technology.
Jamo C 80 page 0
DTT
1000.0