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8
Sidechain inputs
This jack is used as a sidechain input for connecting an external audio signal
to control the Kultube (e. g. an equalizer for frequency dependent processing).
It is configured as a stereo RCA jack, with the left channel on the tip and the
right channel on the ring.
Ideally you should use a normal insert cable that combines a stereo RCA plug
(connected to the Kultube) and two mono RCA plugs (connected to the control
device). When using an equalizer you can connect its inputs to the unused
jack inputs on the Kultube. In this way both the equalizer and the Kultube get
the same signal, since the XLR and RCA jacks are wired in parallel.
To use the sidechain input, activate the KEY ON switch on the front panel. To
monitor the signal, activate the KEY LISTEN switch. For other notes on using
the sidechain function, see the section on page 20.
Multi Channel Link
The MULTI CHANNEL LINK jacks can be used to connect multiple Kultube units
for multi-channel operation, so that they can be used together with a master
unit. Before connecting the link cable, determine which is the master unit and
connect the link cable to the MASTER jack. All linked devices are connected
only through the SLAVE jack.
CAUTION – NOTE WARNING: Always define only one master device! Never
connect more than one device through the MASTER jack – otherwise compo-
nents may be destroyed!
After you have made the cable connections, the SLAVE switch on the front
panel of each slave unit must be activated. From now on all functions of all
slave units are controlled by the master.
See page 21 for additional information about multi-channel operation.
Hum? Ground Lift!
Hum can be eliminated with the GND/LIFT switch on the rear of the unit
(isolates the internal ground from chassis ground). Hum can occur for example
when the Kultube is connected to devices having a different ground potential.
Hum problems can also be avoided however by consistently installing balanced
wirings. For this reason the GND lift function is by default not activated.
Connections
Sockets & Rear Switch