Moog Drummer From Another Mother, User Manual

Page: 13 / 44

13
PANEL CONTROLS & FUNCTIONS
VOLTAGE CONTROLLED OSCILLATORS (VCO)
In an analog synthesizer, oscillators are the primary source of sound. Your Drummer From
Another Mother contains two Voltage Controlled Oscillators, also referred to as VCOs.
VCO 1 FREQUENCY / VCO 2 FREQUENCY
The
VCO FREQUENCY
knobs specify the starting Pitch of each Oscillator over a
ten-octave range. With no modulation applied, these Oscillators will track pitch
accurately over multiple octaves, allowing your DFAM to be utilized for a wide
range of musical applications beyond percussive sounds alone.
From the panel, the Pitch of Oscillator 1 and Oscillator 2 can be modified in 3 ways:
1.
With the
VCO FREQUENCY
knobs
2.
With the Sequencer
PITCH 1-8
knobs (See page 22)
3.
With the
VCO EG AMOUNT
knobs (See page 16)
TIP:
We recommend starting with both
VCO FREQUENCY
knobs at their center
position. This setting is the equal to the center position of the Sequencer
PITCH 1-8
knobs.
WARNING:
Because there are multiple ways to effect the Pitch of the Oscillators,
it is possible for them to extend beyond the range of human hearing. If your DFAM
stops making sound, this may be the case. Start by checking the patchbay as a
wrong patch is the most common cause of muted sound. Then, return both
VCO FREQUENCY
knobs to
their center position. If this does not resolve the issue, set both
VCO EG AMOUNT
knobs to their center
position. If this has not resolved the issue, set the
SEQ PITCH MOD
switch to
OFF
. If this still does not
resolve the issue, we recommend going back to the Default settings found on page 8.
VCO 1 WAVE / VCO 2 WAVE
Each Oscillator contains two selectable Waveforms, each with a distinctly different
sound or timbre. The
VCO WAVE
switch is used to select between the two.
TRIANGLE
The Triangle wave is a very smooth and “warm” sounding waveform consisting
of odd-numbered harmonics only. Its fundamental is very strong, and its
overtones are very weak, making it less harmonically complex than other
waveforms. The Triangle wave is useful for crafting organic percussion sounds
like toms or marimbas, and also for recreating classic analog drum sounds.
TIP:
Adding little bit of Noise as a sound source via the
NOISE / EXT LEVEL
knob in the Mixer is a great way to mimic classic ‘80s percussion sounds.
SQUARE
The Square wave provides more harmonic content and a much fuller or more
aggressive sound than the Triangle wave. Its basic timbre is rich, but somewhat
hollow due to the lack of even-numbered harmonics. The Square wave is
useful for creating deep, hard-hitting bass sounds and for adding metallic
characteristics to higher pitched FM sounds.
TIP:
Use the Filter
CUTOFF
knob to shape Square wave sounds and to create more impactful
percussive timbres.