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The SYNTRX II has a distinct looping envelope generator called TRAPEZOID. It is 
functionally similar to the one found on the EMS Synthi, because the envelope 
shape is reminiscent of a trapeze. The Trapezoid generates control voltages to 
control events on the SYNTRX – signal amplitude, pitch of the oscillators, cutoff 
frequency of the filter, etc. By default, it is a looping envelope generator with 4 
stages – ATTACK, ON, release (DECAY), and OFF. 

All stages are manually adjustable and the decay stage is also voltage controlled, 
so the decay time of the envelope can be varied automatically if a control voltage 
is applied to the Decay input on the matrix mixer. If the OFF control is set to more 
than 9, the looping is terminated and a new envelope cycle can be initiated by 
pressing the GATE button next to the joystick controller. If the SYNTRX II is used 
with external CV/Gate signals (connected to CV and Gate inputs correspondingly) 
or a MIDI keyboard or sequencer, in most cases, the looping must be off (OFF 
control all way clockwise), otherwise, when the gate will be off, the envelope will 
start looping. Also with the external gate signal applied, the ON knob will have no 
effect – the ON time is defined by the gate length. 
The output level of the envelope generator is adjusted by the TRAPEZOID knob, in 
other words, it sets the modulation depth for other “modules” on the SYNTRX II.
Besides the envelope generator, the trapezoid unit has a built-in voltage-controlled 
amplifier (VCA); its control voltage input is linked to the output of the envelope 
generator. The audio signal input of the VCA is the Envelope Signal input on the 
patch matrix and the SIGNAL control in the trapezoid unit sets the audio signal 
level after the VCA output.
The LED gives visual feedback on the envelope generator status

ATTACK time of the envelope generator is 6ms – 850ms
ON time of the envelope generator is 0-1,5s
DECAY time of the envelope generator is 16ms – 2s
OFF time of the envelope generator is 14ms – 1,3s

TRAPEZOID - ENVELOPE GENERATOR AND
VOLTAGE CONTROLED AMPLIFIER

OUTPUT LEVEL

LAMP ON

LAMP ON

ATTACK

TIME

ATTACK

TIME

ON

TIME

ON

TIME

DECAY

TIME

OFF

TIME

LAMP DIM OR OFF

ATTACK BUTTON 

IN MANUAL MODE

TIME

TRAPEZOID

SIGNAL

DECAY

TRAPEZOID

ON

ATTACK

OFF

MANUAL

10

Содержание SYNTRX II

Страница 1: ...USER MANUAL...

Страница 2: ...ES THE INTERFACE CONNECTIONS THE MODULES THE PATCH MATRIX PATCH MATRIX CONNECTIONS PATCH MATRIX IN USE BUILDING PATCHES MIDI IMPLEMENTATION CONFIGURATION SETTINGS SAFETY INSTRUCTIONS DISPOSAL 27 27 25...

Страница 3: ...encer all arranged around our signature matrix mixer and topped off with powerful FX on our new DSP platform Introducing The SYNTRX II a new dark horse for experimental sonic rides Two perfectly stabl...

Страница 4: ...Y PWM SAW TIME LEVEL PAN LEVEL PAN LEVEL FEEDBACK S H RATE LEVEL TUNE SHAPE OCTAVE TUNE HPF LPF LEVEL RESONANCE INPUT 2 NOISE OUTPUT FILTER RINGMODULATOR SOURCE B LEVEL CHANNEL 2 CHANNEL 1 LEVEL LEVEL...

Страница 5: ...as well as two configurable CC messages refer to the MIDI configuration page Connect a monitoring headphones here This is the external audio Input 1 It comes with an envelope follower so you can turn...

Страница 6: ...ave is being modified by the incoming CV In the middle setting both waves are shaped in the left setting pulse width modulation is applied in the right setting the sine wave is shaped Please note that...

Страница 7: ...the OSC2 SHAPE switch will determine which wave is being modified by the incoming CV In the middle setting no wave shaping is applied in the left setting pulse width modulation is applied in the right...

Страница 8: ...ith the LPF lowpass filter cutoff knob set to 10 the lowpass filter is all the way open and the filter becomes a highpass filter with the HPF knob controlling its cutoff frequency With the HPF highpas...

Страница 9: ...ltage steps Experiment with various inputs and S H RATE settings With high S H RATE settings and an audio signal applied to the S H Input you can achieve an analogue bitchrush effect The RINGMODULATOR...

Страница 10: ...ockwise otherwise when the gate will be off the envelope will start looping Also with the external gate signal applied the ON knob will have no effect the ON time is defined by the gate length The out...

Страница 11: ...st basic patch that involves EFFECTS is shown on page 21 of this manual The OUTPUT AMPLIFIER section is for the final treatment of the audio signal before it is sent to the headphones output and to th...

Страница 12: ...rnal signal treatment or to inject the external signal into advanced patches and generate completely new sounds INPUT 1 comes with an input LEVEL attenuator and an ENVELOPE FOLLOWER E F The envelope f...

Страница 13: ...hing is patched into the INPUT 2 jack socket a signal from the SCOPE OUTPUT is automatically routed to INPUT 2 The SCOPE is used to monitor both the CV and audio signal levels in the SYNTRX II patches...

Страница 14: ...or 2 Oscillator 1 RECALL SAVE SHIFT PATCH The SYNTRX II has a digitally controlled analogue PATCH MATRIX It s a mixer buffered multiple matrix so when designing patches you can mix up to 16 inputs to...

Страница 15: ...ated with the configurable MIDI controller Selectable between the pulse output of Oscillator 3 and Sample Hold CV output SIGNAL INPUTS CONTROL INPUTS Ch1 Output Scope Ch2 Output Envelope Signal Filter...

Страница 16: ...een matrix and text modes Refer to configuration settings on page 26 Recalling patches Push the RECALL button to access the saved patches mode Use the encoders to navigate to one of the saved patches...

Страница 17: ...the X encoder The matrix will indicate play directions forward FWD backward BWD ping pong PP and random RND You can select a CLOCK SOURCE of the sequencer by pushing and holding the PATCH button and r...

Страница 18: ...dicated by the LED dot in the bottom right corner of the matrix Please note that you can attenuate these modulation sources with the LEVEL potentiometers on the joystick The step count and a play dire...

Страница 19: ...el Ringmod A Effects 1 2 Oscillator frequency 1 2 3 SOURCES TREATMENTS Oscillator 3 S H Noise Input 1 Env Follower Input 2 Env signal Filter Trapezoid Ring mod Effects Joystick Oscillator 2 Oscillator...

Страница 20: ...tor will alter the gain of the VCA therefore you will hear the change of loudness of the sound on the output 20 SIGNAL INPUTS CONTROL INPUTS Ch1 Output Scope Ch2 Output Envelope Signal Filter Decay Os...

Страница 21: ...vement of the Joystick and the pitch of the Oscillator 1 will be modulated by the vertical movement of the Joystick Set the Joystick signal levels to desired amount and enjoy modulation madness Rememb...

Страница 22: ...and INVERT the signal Then send the inverted signal to Output level of Channel 2 Now the volume of the channel 1 is changing depending on the frequency of the Oscillator 3 and the volume of channel 2...

Страница 23: ...between Envelope Signal level DRY and Effects level WET settings will provide you desired DRY WET mix 23 SIGNAL INPUTS CONTROL INPUTS Ch1 Output Scope Ch2 Output Envelope Signal Filter Decay Oscillat...

Страница 24: ...CV is patched into the relevant inputs MIDI note messages control the pitch of the VCOs if external CV is used MIDI notes are added to the external analogue CV so you can use the MIDI keyboard or seq...

Страница 25: ...D mode is activated FEEDBACK ON THE REVERB Instead of the default tone adjustment on the reverberation effect you can have a feedback adjustment At the maximum clockwise setting of the FEEDBACK knob t...

Страница 26: ...he right encoder a setup screen appears Here you need to set the top right and bottom left corners of the randomization area Use the encoders to navigate to the top left corner of the intended area an...

Страница 27: ...he Warranty does not apply to instruments with visual damage SYNTRX II must be shipped in the original packaging only Any instrument shipped to us for return exchange and or warranty repair must be in...

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