Crest Audio LH 5M Especificaciones - Página 2
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Specifications
Power Handling
There are many different approaches to
power handling ratings. Crest Audio rates
this unit's system power handling using a
modified form of the AES Standard 2-
1984. Utilizing audio band limited (20 Hz -
20 kHz) pink noise with peaks over four
times the RMS level, this strenuous test
signal assures the user that every portion
of this system can withstand high inpact
music. The test signal contains large
amounts of low frequency energy, effec-
tively simulating the frequency content of
live music situations. High frequency test
signals expose the speaker system to
synthesized tones that may extend
beyond audibility. This rating is contingent
on having a minimum of 3 dB of amplifier
headroom available so as to ensure that
clipping does not occur.
Frequency Response
This measurement is useful in determin-
ing how accurately a given unit repro-
duces an input signal. The frequency
response of the LH 5M (Figure 1) is meas-
ured at a distance of 1 meter using a 1
Watt (into the nominal impedance) swept-
sine input signal.
Amplitude Response (1W 1m On-Axis)
110
100
90
80
70
20
50
100
Figure 1
100
50
30
20
Z
( )
10
5
3
2
1
20
50
100
Figure 2
LH
TM
5M Loudspeaker
200
500
1k
2k
Frequency (Hz)
Impedance
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
5k
10k
20k