Crest Audio LH7M LOUDSPEAKER Specifications - Page 2

Browse online or download pdf Specifications for Speakers Crest Audio LH7M LOUDSPEAKER. Crest Audio LH7M LOUDSPEAKER 4 pages. Lh series

Print Page
Specifications
Power Handling
Crest Audio rates this unit's system power
handling using a modified form of the AES
Standard 2-1984. Utilizing audio band lim-
ited (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 impact music. The test signal con-
tains large amounts of low frequency
energy, effectively simulating the frequen-
cy 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™7M (Figure 1) is
measured 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
7M Loudspeaker
200
500
1k
2k
Frequency (Hz)
Impedance
200
500
1k
2k
Frequency (Hz)
5k
10k
20k
5k
10k
20k