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Pulsar Modular 900 Series Owner's Manual

Modular synthesizer

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Pulsar 900 Series Modular Synthesizer
Owner's Manual
First Edition, 21/04/16
Introduction
Congratulations! You have purchased a powerful tool for synthesizer
performance and composition. The Pulsar 900 Series Modular Synthesizer is
the result of painstaking analysis and emulation of classic, large format
(MU), synthesizer modules. 

Great care has been taken to make sure that both sound and operation is
as close as possible to actual hardware. Some minor differences are
intentional for better ease of use. Most of the modules are modeled on
modern updates, while some are original designs.
License
When first installed, the P900 will run in demo mode until a valid
license has been activated. In demo mode, the license activation dialog
will display each time the plug-in UI is opened, and intermittent noise
bursts will appear after a few minutes of use.

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Summary of Contents for Pulsar Modular 900 Series

  • Page 1 Owner’s Manual First Edition, 21/04/16 Introduction Congratulations! You have purchased a powerful tool for synthesizer performance and composition. The Pulsar 900 Series Modular Synthesizer is the result of painstaking analysis and emulation of classic, large format (MU), synthesizer modules. 
 
...
  • Page 2 User Interface The P900 features a hardware accelerated, high resolution, user interface that allows arbitrary panning and zooming within the confines of the virtual rack, while interacting with controls. It is rendered at a high frame rate to ensure immediate feedback and smooth operation. Navigation Track pad two finger gesture, used for panning.
  • Page 3 Right click and drag, used for patch points. Right click white/input connector, used for disconnecting patch points. 
 Note: Outputs can have any number of connections. Inputs can only have one connection. Menus View/Reset - Restores the original rack view. View/Zoom Lock - Disables zooming capabilities, so that the rack is always aligned the the window.
  • Page 4: Blank Panel

    
 BLANK PANEL Blank panels are automatically installed in each free slot, when a rack is cleared, and when modules are ejected.
  • Page 5 930: MIDI/CV CONVERTER (1X) The MIDI/CV module is where all MIDI events from the host DAW get converted into (virtual) CV/Gate voltages and injected into the modular engine, which runs at the host sample rate or some multiple thereof when oversampled. Smoothing filters are used where needed to avoid audible steps when generating high resolution control voltages from (course) MIDI data.
  • Page 6 921-A: OSCILLATOR DRIVER (1X) As with hardware modules, the 921-A oscillator driver has a hidden internal connection to each 921-B oscillator. It contains an exponential converter that controls the base pitch and also the pulse width of all connected oscillators. The semitone/octave switch sets the scale used for the frequency control, either +- 6 semitones or +- 12 octaves.
  • Page 7 921-B: OSCILLATOR (4X) The 921-B oscillator’s frequency control allows modifying the base pitch by +- 12 semitones. The range switch modifies the base pitch in 1 octave steps, except for the LO setting which disconnects from the driver and uses a base pitch of 1 Herz. I/O Specification SYNCH IN.
  • Page 8 CP10: MIXER (3X) The CP10 is a “clean” mixer. It will not clip or saturate and has a gain of 6 dB. It can be used to mix either A/C or D/C signals. I/O Specification OUTPUTS A/C or D/C Inverting output preferred for filter.
  • Page 9 904 A/B/C/D/E: FILTER (2X) The 904 filter module comes in 5 different flavors: 904-A: Transistor Ladder Low Pass 904-D: Diode Ladder Low Pass 904-E: OTA Low Pass 904-F: State Variable Multimode 904-G: Sallen Key Low Pass The frequency range switch controls the range of the fixed control voltage according to: 1: 1Hz to 5kHz...
  • Page 10 911: ENVELOPE GENERATOR (3X) The 911 envelope generator has a general shape matching the analog equivalent, however the Pulsar version has modified timings with an attack rate closer to that of the Minimoog (which the author happens to like better). Some hard pluck sounds included in the factory presets could not be done without it.
  • Page 11 995: ATTENUATOR (3X) As in the original hardware, the 995 attenuator is internally connected from top to bottom. With only the first input connected, each output is active and can have different gain settings. Insertions break the internal connections and they become independent attenuators.
  • Page 12 902: VOLTAGE CONTROLLED AMPLIFIER (3X) The 902 VCA has two modes, linear and exponential. Linear is normally used for the amp envelope and exponential mode is useful for CV signals. One example of the latter is pitch modulation controlled by a mod wheel. To get a smooth response you route an LFO through a VCA in exponential mode, controlled by the mod wheel CV.
  • Page 13 923: FILTERS (1X)
 The 923 module has two 1-pole non-resonant filters. Both the low pass and the high pass filter has a cutoff range from 10 Hz to 10 Khz. The module also includes white and pink noise generators. I/O Specification LOW PASS IN Audio In Audio...
  • Page 14 934: RING MODULATOR (1X) This is an original Pulsar module that features two independent ring modulators. I/O Specification Audio In Audio In Audio Out...
  • Page 15 924: LOW FREQUENCY OSCILLATOR (3X) Original Pulsar module. It outputs 4 different wave forms and features CV control of the LFO frequency. The LFO frequency ranges from 0.1 to 80 Herz. The CV input control attenuates the CV signal. The reset input responds to a gate signal by resetting the cycle of the LFO waveforms.
  • Page 16 928: SAMPLE & HOLD (1X) The 928 S&H module samples the input and outputs (a held value) at the rate of either the internal clock or an external clock. The glide control allows for exponential glide between sampled values, at the specified rate. I/O Specification TRIG IN Clock signal...
  • Page 17 938: OUTPUT MODULE (1X) The 938 stereo output module provides routing to the inputs of the host DAW. This module has several functions: It’s a summing amplifier that sums all the voices of the P900. Each voice has summing amp input gain stage with saturation of two different types, Class A/B and Class A.
  • Page 18 931: ANALOG DELAY (2X) The 931 Analog Delay is an emulation of a Bucket Brigade Delay (BBD) - a discrete-time analog delay line popular in the 1970s and the early 1980s. The emulation includes the filtering, distortion and noise typical of such delays. The BBD control allows the distortion and noise part of the emulation to be mixed in as...
  • Page 19 933: PLATE REVERB (1X) The 933 Plate Reverb is using a reverberation network topology similar to those used in high end early 1980s digital reverberation processors, with modulated reverb tails. It is a very good sounding and flexible reverb algorithm for which 3 different plate size configurations are provided.