Specifications

Audio Plug-Ins Guide458
Vacuum Controls
Vacuum’s is styled after classic mono synths,
with one control per parameter, and no menus.
By getting a feel for the various sections within
the interface, you’ll soon be creating innovative
new sounds.
Vacuum VTO One and Two
Controls
Vacuum features two VTOs (Vacuum Tube Os-
cillators). These modules are where Vacuum’s
sound originates from, before it goes through
the rest of the processing chain.
Each VTO has its own set of controls, labelled
“VTO One” and “VTO Two.”
Range Sets the octave at which the current VTO
plays. This is helpful when creating sounds
where the two oscillators must play an octave or
more apart, and also for easily changing the
range a sequence is playing in after the MIDI
note data has already been recorded.
Each Range knob also has a special setting. The
“Wide” setting for VTO 1 changes its Fine knob
into a wide-ranging pitch control that is contin-
uously variable up or down as many as 5 octaves.
The “Lo” setting changes VTO 2 into an LFO
(low-frequency oscillator). In this mode, its
pitch is too low to be heard, but instead, it can
be routed using the Modulation Routing section
to modulate other parameters in the synth.
Fine Continuously varies the current VTO pitch
up or down as much as 7 semitones. Subtle
changes can create thick, detuned sounds.
Larger amounts can create intervallic splits be-
tween the two VTOs, for chordal effects.
Shape Continuously morphs the current VTO
oscillation between several types of wave
shapes.
Env 1 to Shape Controls the modulation of the
current VTO wave shape by Envelope 1.
As one of the Env knobs is moved to the right,
more and more modulation occurs, offsetting
the value of the Shape control upward when a
MIDI note is received, then down, following the
envelope over time.
VTO controls
Wave Shape Description
Tri Generates a Triangle wave, with
a mellow, yet slightly edgy sound.
This is the first option for VTO 1
Shape control.
Noise Generates random white noise.
This is the first option for VTO 2
Shape control.
Saw Generates a Sawtooth wave,
which is brighter than Tri, and rich
in even harmonics.
PW50–PW0 Generates a Pulse wave, which
can be swept through a contin-
uum between a standard, 50%
on, 50% off wave and a thinner,
more modulated type. Pulse
wave sounds are rich in odd har-
monics, with a “reedy” character.