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Vermona | Perfourmer II
|PERfourMER MKII consists of four full-fledged monophonic synthesizers (synth channels) that can be combined at will to create unusual or classic sounds.
The synthesizer channel
The analogue oscillator with five wave forms plus a noise generator builds the sound foundation that is then passed to the musical 24-dB-lowpass filter with adjustable resonance, followed by the discrete built VCA to shape its volume contour. Modulation sources are a flexible syncable LFO and the envelope generator with controls for Attack, Decay, Sustain and Release. Using these controls alone, you may effortlessly create a diversity of sounds of highest excellence. And in order to make this sonic journey as easy as possible, PERfourMER MKII offers individual controls for each function.
Combine to be different
PERfourMER MKII’s true potential lies within the combination of its multiple synthesizer channels. Whether you use reciprocal frequency modulation, synchronization, different PLAYMODES or, ideally, all of these functions combined. Possibilities are endless and it is you to decide to use PERfourMER MKII as a four voice synthesizer or as an orchestra of individual instruments.
Digital or analogue control
PERfourMER MKII is equipped with a MIDI-interface. But what if you prefer using an analogue sequencer with CV- and Gate outputs? No problem! As an option on new orders, we can supply your PERfourMER MKII with additional corresponding additional inputs.
An instrument built to last forever
Every PERfourMER MKII is carefully produced, adjusted, tested and packed by hand in our electroacoustic manufactory in Erlbach, Germany. Only by doing so, we live up to our own quality demands and can deliver a dependable instrument to you.
one analogue oscillator with sine-, triangle-, square-, and sawtooth-waveform, white noise generator or external audio signal
PWM via LFO or MIDI (modulation wheel CC#1)
one lowpass filter with 24 db/octave and resonance
one LFO with sawtooth (down), square, sine and sample & hold
one ADSR envelope generator for VCO (pitch), VCF and VCA
Interaction between Synthesizer Channels
frequency modulation of VCO or VCF
oscillator synchronization (hard-sync)
playmodes for connected Synthesizer Channels
M1 - monophonic, unison
M2 - monophonic, rotating
D1 - duophonic, unison
D2 - duophonic, rotating
P1, P2 - polyphonic
power supply: internal PSU (90 V~ bis 240 V~)
dimensions: approx. 43,5 cm x 43 cm x 12 cm
weight: approx. 3,7 kg
PERfourMER MKII comes with mountable rack ears
CV/Gate inputs (has to be ordered with the PERfourMER MKII and can only be installed by Vermona afterwards)
wooden side panels
|LFO||One per voice with 4 waveforms and can modulate the VCO pitch, VCF frequency cutoff, or VCA.|
|Engine Detailed||4 VCOs (1 per voice) with 6 waveforms per osc. plus white-noise gen.|
|Filter (VCF)||One 4-pole (24dB/oct) lowpass per voice with Resonance and Variable Keytrack, ADSR envelope|
|Extra info||(Optional Four CV/Gate Inputs at 1V/octave)|
|Legend:||Obvious||Y: Yes, N: No, N/A: Not Applicable|
|VCO||Voltage Controlled Oscillator||DCO||Digital Controlled Oscillator|
|LFO||Low Frequency Oscillator||Sub||Sub Oscillator|
|VCF||Voltage Controlled Filter||VCA||Voltage Controlled Amplifier|
|Velocity||As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key.||Aftertouch||Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel.|
|Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise.|