Erica Synths SYNTRX Analog Synthesizer

Standalone synthesizer with digitally controlled patch matrix with 32 16-channel analog switches ICs AS16M1, 256 patch memory, and  3 highly accurate VCOs

$2,499.00 $3,199.00

Since its beginning Erica Synths has promoted experimental electronic music and has developed instruments that enable musicians to explore it. When it comes to standalone instruments of the most exciting instruments in experimental music was Synthi AKS, so Erica teamed up with engineers from Riga Technical University to develop the Erica Synths SYNTRX a synthesizer with a user interface inspired by Synthi AKS.

SYNTRX (sintrex) is a developed-from-scratch, all analog synthesizer (nothing cloned from Synthi AKS) with a digitally controlled patch matrix. Unlike most of patch matrixes around, that mechanically connect signals, the 16×16 matrix utilizes 32(!) 16 channel analog switch ICs AS16M1 (made in Latvia, Alfa RPAR) and is a mixer/buffered multiple with 3 level attenuation (gain 1, 0.6 and 0.3) in connection points. It has a 256 patch memory, automatic patch switching in performance mode or via MIDI messages.

SYNTRX has 3 highly accurate VCOs that track great over 8 octaves, noise generator with “color” filter, resonant VCF, ring modulator, spring reverb, looping envelope generator, joystick controller, input amplifier with adjustable gain for microphone to line level signals, 3 VCAs, output signal filter, analog CV/audio signal level indicator and built-in speakers. Extra features, not found on Synthi AKS, are a Sample & Hold circuit with individual clock, octave switch for VCO1, synchronization of VCO2, AD mode on the envelope generator, as well as MIDI that accepts CV, Gate, Modulation wheel messages and program change messages for the matrix control. The SYNTRX comes in aluminum enclosure with ash tree side panels.


  • 3 highly accurate VCOs that track great over 8 octaves
  • Octave switch for the VCO1
  • Sync option for the VCO2
  • Noise generator with “color” filter
  • Resonant VCF
  • Ring modulator
  • Spring reverb
  • ASR/AD looping envelope generator
  • Joystick controller
  • Input amplifier with adjustable gain
  • 3 VCAs
  • Sample & Hold circuit with an individual clock
  • Output signal filter
  • Mechanical CV/audio signal level indicator
  • MIDI In and MIDI Thru
  • Built-in speakers
Condition New
Width 18 in
Height 4.5 in
Depth 12.2 in
Unit Weight 8.9 lb
Chassis Desktop

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