Vermona PERfourMER MKII - quad analog synthesizer User Manual

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Summary of Contents

Page 2 - Important Safety Information

NOTE To achieve a classical sync-sound, set the coupledoscillator at least two octaves higher than the masteroscillator or make sure, it heavily modul

Page 3 - Installation

NOTE The PerFourMer MKII's FM-function is static in prin-ciple. To create dynamically developing FM-sounds,comparable to the famous DX-series syn

Page 4 - Table of Contents

Filter Section (VCF)The filter shapes the oscillator's output signals, either one of the availablewaveforms, the noise generator's output or

Page 5

RESONANCEResonance is a feedback circuit within the filter that emphasizes the cut-o! frequency. Higher values can color the sound significantly, which

Page 6 - Components and Controls

Amplifier Section (VCA)A voltage controlled amplifier (VCA) controls each synthesizer channel'soutput. This allows manual control over the output

Page 7 - Oscillator Section

PANThe PAN control places the synthesizer channel's sound within thestereo image. At its center position, the PerFourMer MKII's left and rig

Page 8

Modulation Generator (LFO)The LFOs (Low Frequency Oscillators) allow creating cyclic repeating modu-lations of the oscillators and filter. The PerFourM

Page 9 - Oscillator synchronization

Extended LFO SettingsSelecting between saw tooth and square waveformsEDIT-Parameter 7 allows changing of the LFO's first waveform. Edit functionLF

Page 10

LFO > MIDI-clock-synchronizationAll of the PerFourMer MKII's LFOs can be beat-synced to a MIDI-clock. MIDI-clock-synchronization can be enable

Page 11

NOTE Changes from one scaling factor to another will takeplace after a waveform cycle has been completed. Donot worry about a possible delay after swi

Page 12 - Filter Section (VCF)

IntroductionIn a choir, a string- or brass section, every voice has its own character, itssonic individuality, its proprietary modulation and its spec

Page 13 - Filter-FM

Envelope Generator (ADSR)The envelope generator (EG) generates a control voltage that can modulatethe VCO and VCF as well as the VCA. The envelope gen

Page 14 - Amplifier Section (VCA)

LegatoEach of the PerFourMer MKII's synthesizer channels allows its legato-modeto be enabled independently. In legato-mode, the envelope generato

Page 15

Additional Control ElementsTRIGThe TRIG-button starts a single note or a sequence to play the Per-FourMer MKII's sounds without any keyboard or s

Page 16 - Modulation Generator (LFO)

MASTER VOLUMEThis control sets the overall output volume. It a!ects the rear-outputs aswell as the headphone output but it doesn't a!ect the indi

Page 17 - LFO SYNC

1V/OCTAVE CV INPUT/GATE INPUT (optional)The PerFourMer MKII can optionally be equipped with CV/Gate-inputs. Withthis option installed, all four synthe

Page 18

Programming SectionThe rightmost section of the PerFourMer MKII's panel serves to adjust theMIDI-channels, EDIT-parameters and PLAYMODES with the

Page 19 - Internal MIDI-CLOCK

played independently in Mono-1-mode, disregarding the selectedPLAYMODE setting.NOTE Mono-1-mode allows stacking of synthesizer chan-nels. Here, you ma

Page 20 - Envelope Generator (ADSR)

With oscillators, filters and modulators being set di!erently on all fourchannels and spread across the stereo image, a sequence can drasticallychange

Page 21 - OUT / INSERT

DUO 2 (D2)This PLAYMODE allows the two voice units to be played duophonically.Owner's Manual VERMONA PERfourMER MKII- 28 -

Page 22 - Additional Control Elements

Edit-ModeThe edit-mode allows adjusting di!erent settings for the individual synthe-sizer channels as well as global settings for the PerFourMer MKII.

Page 23 - Connections

10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the app

Page 24

6 - LEGATOThis parameter enables/disables the legato-mode. With legato enabled,the envelope will not be retriggered with adjacent notes playedoverlapp

Page 25 - Programming Section

Declaration of ConformityWe declare under our sole responsibility that this product is in conformitywith the following standards or standardization do

Page 26 - MONO 2 (M2)

Table of Contents1 Introduction 2...2 I

Page 27 - DUO 1 (D1)

6.2.5. DUO 1 (D1) 27...6.2.6. DUO 2 (D2) 28...

Page 28 - DUO 2 (D2)

Getting StartedTo ensure top quality we carefully inspected the PerFourMer MKII beforepackaging. Nevertheless, the unit could have been damaged during

Page 29 - Edit-Mode

Oscillator SectionOscillators form the base of every synthesized sound. They o!er di!erentwaveform shapes to create various audio spectra. Each PerFou

Page 30 - 10 - MIDI CLOCK TEMPO (TAP)

OCTAVEsets this oscillator's base octave to 32', 16', 8' or 4'.In setting "HI" and "LO" the oscillator do

Page 31 - Declaration of Conformity

dysfunctional with any other selected waveform. Using a sine waveformto modulate the pulse width results in a sound-thickening-e!ect,comparable to a s

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