Genelec 7073A is a powerful active
subwoofer incorporating all the ampli-
fier and crossover electronics needed
for bass management and reproduction
of low frequency information in modern
6.1 or 5.1 channel surround sound or
traditional stereo systems. Its 19 to 120
Hz (±3 dB) frequency range and 124 dB
sound pressure output capability are suf-
ficient to handle the most demanding and
The proprietary built-in bass manage-
ment unit has six signal input and output
channels (L/C/R Front and L/C/R Rear), a
discrete LFE signal input and a summed
signal output, providing great flexibility and
easy connection in all monitoring environ-
The active crossover contained in the
bass management unit splits the input sig-
nals into low and high frequency compo-
nents at 85 Hz. Frequencies below 85 Hz
are directed to the subwoofer and frequen-
cies above 85 Hz to the main speakers.
The low pass section sensitivity can be
adjusted from +6 dBu to -12 dBu to allow
easy subwoofer level matching with vari-
ous main speakers. All outputs have 0 dB
The low pass frequency of the LFE input
channel can be set to 85 Hz, 120 Hz or 85
Hz with "Redirect" function that routes LFE
content above 85 Hz to the front center
monitor. The input sensitivity of the LFE
channel can be set to 0 dB or +10 dB.
Balanced XLR connectors are used for
the system audio inputs and outputs.
Two "Bass Roll-Off" switches are
included to provide a flat bass response
in all acoustical environments, enabling
adjustments of the subwoofer response
in three -2 dB steps. Two phase match-
ing switches in the crossover allow
compensation for the delay which occurs
if the subwoofer is placed away from
the main speakers, or for other speaker
systems phase behaviour. Four settings
are provided between 0° and 270°. An
85 Hz test tone generator is included to
help achieve accurate crossover phase
Each subwoofer is supplied with a mains
cable and an operating manual. Once
unpacked, place the subwoofer in a suit-
able location (for more details see the
Before connecting the audio signals,
ensure that both the subwoofer and the
main monitors are switched off. Check
that the voltage selector switch is set
according to your local mains voltage.
Audio connections to the subwoofer are
made via balanced XLR connectors. An
unbalanced source can also be used with
a special RCA to XLR cable; the correct
connection for the cable is shown in Fig.
2. However, we recommend the use of bal-
anced cables and connectors due to their
better noise immunity. The connectors are
arranged in three rows on the connector
LFE IN / SUM IN: Use this connector for
the LFE or .1 output channel of a 5.1- or
6.1-channel discrete surround sound
source, or the SUM OUT signal from the
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