Figure 8. The free field frequency response
of the 7073A subwoofer at different Bass
dB and four subwoofers 12 dB compared
to a single subwoofer. Adjust the sensitiv-
ity control of all subwoofers in the group to
match the SPL level of the main monitor
Phase and Bass Roll-Off adjustments
should be done individually for each
subwoofer in the chain, especially if they
are not placed close together. To check
the phase alignment for the "master"
subwoofer switch off the "slave" subwoofer
and follow the instructions given in the pre-
To adjust the phase alignment of the
"slave" subwoofer, you need to switch
off the "master" subwoofer, connect a
signal cable from the "slave" subwoofer's
"FRONT CENTER OUT" connector to the
center channel monitor and switch the
"SUM IN MODE" switch to "OFF". This
effectively changes the "slave" to "master"
mode and the phase adjustment can be
carried out. Return the connections and
"SUM IN MODE" setting on the "slave"
subwoofer back to the "SUM IN" mode
after completing the adjustment.
Genelec 7073A subwoofer has been
designed in accordance with international
safety standards. However, to ensure safe
operation and maintain the unit in safe
operating condition, the following warnings
and cautions must be observed:
Do not expose the subwoofer to
water or moisture. Do not place any
objects filled with liquid, such as
vases on the subwoofer or near it.
Servicing and adjustment must only
be performed by qualified service
Opening the connector panel is
strictly prohibited except by
qualified service personnel.
connection with protective earth.
Failing to do this may lead to
Figure 9. The curves above show the
harmonic distortion analysis of the 7073A
in free field. In half space the SPL will be 6
Figure 10. 1092-400 "Bypass" switch
Figure 11. 7000-415 Remote Power/OVL LED
Figure 12. 7000-416 Remote control switch
for "Bypass" and "+10 dB LFE" functions
This equipment is capable of delivering
sound pressure levels in excess of 85
dB, which may cause permanent hearing
No user serviceable parts are inside the
amplifier unit. Any maintenance of the unit
must only be performed by qualified serv-
This product is supplied with a ONE year
guarantee against manufacturing faults or
defects that might affect the performance
of the unit. Refer to supplier for full sales
1092-400 1/4” jack "Bypass" switch
7000-415 RJ11 remote Power/
7000-416 RJ11 remote control for
"Bypass" and "+10 dB LFE"
(43 Seiten)
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