Jeannie is an 8-voice polyphonic open source synthesizer kit with digital sound synthesis and digital filters based on a fast ARM Cortex-M7 processor. A variety of classic and band-limited waveforms are on offer with a pool of 15 waveform banks with 63 different waveforms each – thats 945 waveforms in total!
A waveshaper with different characteristics provides for gentle to vicious sounding distortions. To tame the waveforms, there is a digital 12dB multimode filter with fade function from low-pass to highpass and a band-pass function. A 24Bit DSP effect module with adjustable parameters rounds off the sound synthesis. An integrated polyphonic 16-step sequencer is also included.
A total of 2048 sound patchesfrom 15 banks can be loaded and stored via an integrated SD card. A colour 1.8 inch TFT display allows for a clear menu structure and easy operation of the synthesizer. The parameters are entered via four rotary knobs below the display and an encoder for selecting the sound programmes and switching to the menu functions. In addition, there are six buttons for operating special synthesizer functions.
Jeannie features: 2 x Oscillators, a noise source, 2 x Envelopes, a Multimode Filter, 10 x different Waveshaper options, 2 x LFOs, a Ring Modulator, FM, XOR, and OR. The oscillators can also be run independently or synced.
Another thing to mention is the easy plug-in DSP board with the FV-1 and an EE-Prom. The EE-Prom means that you can – if you can – also write your own effect programmes and add them as well.
This is full DIY kit has all SMD parts already presoldered – blue/purple plexiglass case kit included
Jeannie – Build Guide & Manual
Specs:
- 8 Voices polyphonic
- Multimode Filter
- 2x ADSR
- 2x LFO
- 10 different Waveshaper
- 945 different waveforms per oscillator
- 2 Oscillators per voice
- Xor, Xmod and, or and FM
- Step Sequencer – 4 Voice poly – in the latest firmware
- 8-fold unison mode with up to 16 oscillators / one voice
- FX with Reverb, Chorus, Delay , Pitchshifter and more
- adjustable clock frequency for the FX DSP
- 2048 programmes can be stored on micro SD card
- graphic LCD display
- Teensy 4.1
- DIY friendly
Effects Details:
The FX board is based on a Spin semi FV-1. Tubeohm have also programmed 8 new effects.
- Factory effects
- clock rate ajustable 10…60 khz
- low noise output
- Chorus 1
- Flanger
- Tremolo
- Pitch shift
- pitch shift/echo
- Reverb 1
- Reverb 2
- Tubeohm new effects
- X-Delay
- Chorus 2 /5 stage
- Tonator
- Phaser
- Flangerator
- Distorter
- Stereo Echo/Rev
- Gate