Vermona PERfourMer MKII Owner's Manual
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Vermona PERfourMer MKII Owner's Manual

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  • Page 1 Ownerʻ‘s Manual...

  • Page 2: Introduction

    Each of its four voices are totally independent. No matter whether you play four single solo voices, a fourfold unison stack or with fourfold polyphony, the PerFourMer MKII will always generate all its voices on a complete indi- vidual basis. During development of the MKII-version, we focused to make this synthesizer as easy to operate and ergonomic as possible.
  • Page 3 Owner's Manual VERMONA PERfourMER MKII 10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 11. Only use attachments/accessories specified by the manufacturer. 12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.

  • Page 4: Table Of Contents

    Owner's Manual VERMONA PERfourMER MKII Table of Contents 1 Introduction ........................2 Important Safety Information ................3 Table of Contents ...................... 4 Getting Started ......................4.1. Connections and Powering ..............5 Components and Controls ..................5.1. Oscillator Section ................5.1.1. Extended Oscillator Functions ............
  • Page 5 Owner's Manual VERMONA PERfourMER MKII 6.2.5. DUO 1 (D1) ................... 6.2.6. DUO 2 (D2) ................... 6.3. Edit-Mode ..................6.4. RESET ....................7 Declaration of Conformity ................... - 5 -...

  • Page 6: Getting Started

    Connect the stereo outputs, located on the rear, to appropriate audio inputs of a mixing console, an audio-interface or an amplifier. Connect the PerFourMer MKII's MIDI input to the MIDI output of a key- board, a hardware-sequencer or a MIDI-interface, connected to your DAW.

  • Page 7: Oscillator Section

    Oscillator Section Oscillators form the base of every synthesized sound. They offer different waveform shapes to create various audio spectra. Each PerFourMer MKII voice offers a voltage controlled analogue oscillator (VCO), four VCOs in total. Every VCO generates sine, triangle, square and saw tooth waveforms with octave positions 32’, 16’, 8’...
  • Page 8 first note is still held. When not playing legato, the glide-effect will be inactive with AUTO GLIDE activated. To activate the PerFourMer MKII's legato-function see chapter "Envelope Generator" (See page 20). EG INT This control sets the modulation amount of the envelope generator towards the oscillator's pitch.

  • Page 9: Extended Oscillator Functions

    (See page 7). Extended Oscillator Functions Oscillator synchronization The PerFourMer MKII oscillators in synthesizer channels 2, 3 and 4 can be synchronized to their prior located counterparts. Here, the master oscillator will force its frequency upon its coupled partner. Whenever the master oscillator's waveform reaches a zero-pass-through, it will force the coupled oscillator to a pass-through, too.

  • Page 10: Frequency Modulation Of Oscillators

    Frequency modulation of oscillators The PerFourMer MKII offers frequency modulation for the oscillators in syn- thesizer channels 2, 3 and 4. In each case, the modulation takes place through the prior located synthesizer channel. This means, oscillator 2's pitch is modulated by synthesizer channel in dependence of the played pitch.
  • Page 11 Owner's Manual VERMONA PERfourMER MKII NOTE The PerFourMer MKII's FM-function is static in prin- ciple. To create dynamically developing FM-sounds, comparable to the famous DX-series synthesizers, make use of the envelope generator of the modula- ting synthesizer channel (modulator). For example,...

  • Page 12: Filter Section (Vcf)

    Dynamic control of the filter will create progressive sound changes over time. Each of the PerFourMer MKII's synthesizer channels offers a voltage-con- trolled resonance-capable low-pass-filter with a slope of 24dB per octave. This proven effective filter-type has already been used in legendary synthe- sizer-models developed by Bob Moog.
  • Page 13 Owner's Manual VERMONA PERfourMER MKII RESONANCE Resonance is a feedback circuit within the filter that emphasizes the cut- off frequency. Higher values can color the sound significantly, which is regularly used for resonant bass sounds in Acid-House and Techno. With values higher than 3 o' clock, the filter will start to self-oscillate, generating a sine wave with the cutoff frequency.

  • Page 14: Amplifier Section (Vca)

    Owner's Manual VERMONA PERfourMER MKII Amplifier Section (VCA) A voltage controlled amplifier (VCA) controls each synthesizer channel's output. This allows manual control over the output volume as well as dynamic volume progressions. Available modulation sources are the enve- lope generator and a fixed gate-envelope, the latter offering minimal attack- and release-phases to avoid unwanted clicks caused by disadvanta- geous phase cuts during sound reproduction.
  • Page 15 Owner's Manual VERMONA PERfourMER MKII The PAN control places the synthesizer channel's sound within the stereo image. At its center position, the PerFourMer MKII's left and right outputs are fed with the same level. This control offers a center catch.

  • Page 16: Modulation Generator (Lfo)

    Modulation Generator (LFO) The LFOs (Low Frequency Oscillators) allow creating cyclic repeating modu- lations of the oscillators and filter. The PerFourMer MKII's LFOs offer a choice of functions that might not be seen at first glance: Its LFOs can be synchronized to each other and/or to a MIDI-clock.

  • Page 17: Extended Lfo Settings

    Owner's Manual VERMONA PERfourMER MKII Extended LFO Settings Selecting between saw tooth and square waveforms EDIT-Parameter 7 allows changing of the LFO's first waveform. Edit function LFO WAVE 1: SQUARE can select between square or descending saw tooth. This selection is available for each synthesizer channel.

  • Page 18: Lfo > Midi-Clock-Synchronization

    Owner's Manual VERMONA PERfourMER MKII LFO > MIDI-clock-synchronization All of the PerFourMer MKII's LFOs can be beat-synced to a MIDI-clock. MIDI- clock-synchronization can be enabled/disabled for each synthesizer channel independently using EDIT-parameter 8: LFO MIDI CLOCK SYNC. To do so, follow these steps: Press the EDIT-button.

  • Page 19: Internal Midi-Clock

    - this is intended. Internal MIDI-CLOCK The PerFourMer MKII can also generate an internal clock to synchronize the LFOs. Its tempo can be adjusted using a TAP function. To use the internal clock as LFO clock-reference, follow these steps: Press the EDIT-button.

  • Page 20: Envelope Generator (Adsr)

    Owner's Manual VERMONA PERfourMER MKII Envelope Generator (ADSR) The envelope generator (EG) generates a control voltage that can modulate the VCO and VCF as well as the VCA. The envelope generator is restarted by each incoming MIDI-note. (Exception: With LEGATO enabled, overlapping notes will not retrigger the envelope generator.)

  • Page 21: Legato

    Exit edit-mode by pressing the EDIT-button. Connections of the Synthesizer Channels Each of the PerFourMer MKII's synthesizer channels has two TRS-jacks that offer two functions each. The function we consider the most frequently used is available on the tip contact, so that you may use common TS- cables.

  • Page 22: Additional Control Elements

    Set this switch to the right (440Hz), a digital generated tuning reference of 440Hz (equals MIDI notes A3 resp. A4) will be output. MASTER TUNE This control allows tuning the PerFourMer MKII within a range of ± one semitone. MASTER TUNE affects all four synthesizer channels. - 22 -...

  • Page 23: Connections

    (AC) voltages from 90-240 volts at 50 or 60Hz. MIDI IN Use this input to connect the PerFourMer MKII to the MIDI-output of a master-keyboard, a DAW-sequencer (using a MIDI-interface) or a hard- ware sequencer.
  • Page 24 Owner's Manual VERMONA PERfourMER MKII 1V/OCTAVE CV INPUT/GATE INPUT (optional) The PerFourMer MKII can optionally be equipped with CV/Gate-inputs. With this option installed, all four synthesizer channels can be addressed by ana- logue sequencers and CV/Gate-keyboards. Each synthesizer channel is accessed thru its individual CV/Gate jacks.

  • Page 25: Programming Section

    Owner's Manual VERMONA PERfourMER MKII Programming Section The rightmost section of the PerFourMer MKII's panel serves to adjust the MIDI-channels, EDIT-parameters and PLAYMODES with the addition of global controls for MASTER TUNE and MASTER VOLUME. Combining Multiple Synthesizer Channels The four PerFourMer MKII's synthesizer channels can be combined in differ- ent ways.

  • Page 26: Mono 2 (M2)

    Here, you may use identical or different settings for oscillators, filters and modulators. With wave- form, octave, filter etc. being adjusted roughly iden- tical, the PerFourMer MKII will react like a common synthesizer with multiple oscillators. However, it offers the advantage to spread channel across the stereo panorama and achieve a wide image without using a chorus effect.

  • Page 27: Poly 1 (P1)

    Mono-2-modes frequently to discover new melodies! POLY 1 (P1) This PLAYMODE allows playing all combined synthesizer channels poly- phonically. Here, the PerFourMer MKII can be played with up to four-voice- polyphony. With the PerFourMer MKII being configured as an e.g. four-voice polyphonic synthesizer, the fifth received MIDI-note will abort the oldest voice and...

  • Page 28: Duo 2 (D2)

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

  • Page 29: Edit-Mode

    Edit-Mode The edit-mode allows adjusting different settings for the individual synthe- sizer channels as well as global settings for the PerFourMer MKII. For easy handling, a list of all available parameters is printed to the unit's top-sur- face above the SELECT/SEQ control.

  • Page 30: Reset

    This parameter allows setting the internal MIDI-clock-tempo using the TAP-button. RESET The PERfourMER MKII can be reset to factory settings. The Reset only affects the EDIT parameters and MIDI channel settings. For resetting the PER- fourMER MKII carry out the following steps:...

  • Page 31: Declaration Of Conformity

    Owner's Manual VERMONA PERfourMER MKII Declaration of Conformity We declare under our sole responsibility that this product is in conformity with the following standards or standardization documents in attention of operation conditions and installation arrangements acc. to operating manual: EN61000-3-2, EN 61000-3-3, EN 55013, EN 55020, EN 60065 according to the provisions of the regulations 2004/108/EG and 2006/95/EG.

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