7
PAtcH eXAmPles
Standard (post–fader) operation: When
using your Praga and Hrad in a traditional
setup, you can add two external effects (e.g.
a reverb and delay) with the auxiliary chan-
nels (post–fader). Patch the aux send signal
to your effect processor input, and patch its
outputs back to the aux return pair. Now,
you can decide on the amount of the effect
being mixed to your audio via the correspond-
ing aux ret attenuator. By using additional
modulation plugged into the aux cv you can
dynamically control which parts of the audio
will have the reverb or delay added to them.
Pre–fader operation: Split the signal going
to an input in Praga, and feed a copy of it to
the corresponding aux ins jack in Hrad (fig
5). This will bypass the vol and VCA controls
on Praga for your auxiliary send, which allows
for pre–fader operation. In other words, you
can have an effected portion of the signal au-
dible while the separate dry signal is turned
down. You can even plug any other signal into
that socket, and have additional sounds add-
ed (under CV control) to your effect bus.
AUX channel inserts: Take the vca out sig-
nal from a channel in Praga and process it
through an additional module (e.g. a filter,
or bit crusher), and plug the result into the
corresponding aux ins input in Hrad (fig. 6).
With this patch, you could have a reverb on
high frequencies only, or distorted echos of the
sounds that are clean in the main mix.
Extra stereo input: Sometimes you run out of
input channels in Praga but don’t need more
than one send effect. You can plug a mono or
a stereo pair into the unused aux return
sockets, and its volume will be controlled by
the aux ret attenuator in Hrad. •
fig. 5
fig. 6
fx unit
reverb
multiple
filter
