User Manual

PULSAR DUAL LFO
1050
Introduction
The Pulsar Rack Extension device is a very flexible and versatile dual LFO module. LFOs (Low Frequency Oscillator)
are used for generating cyclic modulation signals. A typical example is to have an LFO modulate the pitch of an os-
cillator to generate vibrato, but there are countless of other applications for LFOs.
Pulsar features two separate LFOs that can be used for modulating parameters in other rack devices. The two LFOs
can also modulate each other to generate complex modulation signals. The LFOs in Pulsar can reach way up in the
audible frequency range, which opens up for really interesting applications. As an additional feature the LFO rates
can also be tracked from a MIDI keyboard.
! In Reason the Pulsar Rack Extension device can be found on the Utilities palette, in the Propellerhead
Software section.
Panel parameters
LFO 1&2 common parameters
Rate
This controls the LFO rate. The Rate range in Pulsar is very wide and can reach way up in the audio frequency range.
The rate is indicated by the lamp to the left above the Rate knob. The rate can also be synced to the sequencer
tempo by clicking the Tempo Sync button below the Rate knob (see “Tempo Sync” below). In sync mode, the Rate
knob controls the sync resolution.
The LFO 1 Rate can be modulated and/or synced by LFO 2, see “Rate (LFO 2 to LFO 1 Rate)” and “Sync”. The Rates
can also be modulated from the Envelope, see “Envelope”. As a special feature, the Rates can also be controlled from
a MIDI keyboard, see “KBD Follow”.
Range: 0.06Hz-1.05kHz (synced: 32/4 to 1/64th)
! When the Rate is modulated, it can reach far beyond the default frequency range.
Waveform selectors
Here you can select one of nine different LFO waveforms. Besides the standard waveforms (sine, triangle, pulse, etc.)
there are random, slope and stepped waveforms. The shape of the waveforms are shown in the display.
! Note that all waveforms are bipolar, i.e., they generate both positive and negative levels.