• Fully working.
• Very slight rack rash
• Great way of getting chords into your modulat
• see make noise site/ youtube for details/demos
  
  Make Noise tELHARMONIC — 14HP (Discontinued)

A deeply conceptual and historically rooted multi-voice synthesizer from Make Noise, coded by Tom Erbe (Soundhack). Named after the Telharmonium Hall — considered the site of the first electronic music concerts — the tELHARMONIC presents three historically significant tone generation techniques simultaneously, each available at its own dedicated output.

The H (Harmonic) output delivers three-voice additive synthesis inspired by Thaddeus Cahill's Telharmonium of 1897. The N (Noise) output produces fluctuating noise bands modelled on James Tenney's 1961 computer music piece "Analog 1: Noise Study." The P (Phase) output runs three-voice phase modulation synthesis in the tradition of 1980s commercial digital synths. All three outputs are active simultaneously and designed to be blended together around a single musical motif.

What makes the tELHARMONIC genuinely unusual is its voltage-controlled music theory system. TONIC sets the root pitch; INTERVAL sets the spacing between the three voices; DEGREE selects scale degrees within the current key; D-GATE triggers harmonic movement. Together these allow chord progressions, scales, and melodic patterns to be patch-programmed and modulated rather than manually played or MIDI-sequenced. CENTROID, FLUX, and H-LOCK then sculpt the timbre of each algorithm independently within that unified harmonic framework.

A hidden Shepard Tone mode is accessible by holding H-LOCK. Running at 24-bit/48kHz with 32-bit floating point internal processing.

Format: 14HP | 30mm depth | 139mA +12V / 10mA -12V