Figure 1: The amplifier panel layout of a 7000 series subwoofer.
using the "redirect" function. In this case,
frequencies above 85 Hz in the LFE signal
are redirected to the center channel output to
be reproduced by the center channel moni-
tor. The sensitivity of the LFE channel can
easily be set to 0 or +10 dB according to the
monitoring needs.
To provide a flat bass response in many
different acoustic environments, a 'bass roll-
off' switch is included, which makes adjust-
ments to the subwoofer response in three
2 dB steps possible. Two phase alignment
switches in the crossover allow compensa-
tion for the phase delay which occurs if the
subwoofer is placed away from the main
speakers or for other phase changes in the
loudspeaker system. Four settings are pro-
vided between 0° and -270°.
Options
Order code
Description
1092-400
1/4" jack bypass switch
7000-415 RJ 11
Remote Power/
Overload LED
7000-416 RJ 11
Remote control
for bypass and +10 dB
LFE functions
Figure 2: 7060B free field frequency response
for different bass roll-off and LFE bandwidth
settings.
Figure 3: 7070A (and 7071A) free field
frequency response for different bass roll-off
and LFE bandwidth settings.
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