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Doepfer A-113 Subharmonic Generator

Doepfer A-113 Subharmonic Generator

  • Side Doepfer A-113 | Rage Audio
  • Doepfer A-113 | Rage Audio

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Doepfer

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Módulo generador de subarmónicos
Doepfer A-113 Subharmonic Generator 

Module A-113 is a new sound source that derives from an incoming pulse signal four so-called subharmonics (German: Subharmonische). 
The term subharmonics was introduced...

Más información

Módulo generador de subarmónicos


Doepfer A-113 Subharmonic Generator 

Module A-113 is a new sound source that derives from an incoming pulse signal four so-called subharmonics (German: Subharmonische). 
The term subharmonics was introduced by Oskar Sala in connection with his so-called Mixtur-Trautonium. 

A subharmonic means in this context a sawtooth wave (German: Kippschwinger) whose frequency is derived from a master frequency and the master frequency is an integer multiple in the range of 1...24 of the subharmonic - in other words: the master frequency is divided by an integer 1...24 to obtain the subharmonic.

Pay attention that the output waveform of a subharmonic is sawtooth (as also used in the original Trautonium) and not sine. 
The term subharmonics is somewhat misleading. 

The master frequency comes e.g. from an A-110 or A-111 to the frequency input of the A-113. The frequency dividers of the 4 subharmonics is adjusted with up/down buttons as displayed with 2 character LED displays. The subharmonics are available as single outputs and as mix output with adjustable levels for the subharmonics. 

Two gate type control inputs enable to select between 4 different mixtures, i.e. 4 different settings of the frequency dividers. 

In the original Trautonium these are controlled by foot switches to switch between 3 mixtures while playing (the original Trautonium has only 3 mixtures available but with the 2 gate inputs of the A-113 four different settings can be adressed). 

Additionally the A-113 features a mixture memory with 50 presets. Each preset consists of 4 mixtures that can be selected with the gate inputs, each mixture contains the values of the 4 frequency dividers. 

Inputs : master frequency (rectangle/pulse input), foot contr. 1 + 2 (gate 1+2) 
Outputs: 4 single outputs, 1 mixture output 

Características

· Genera 4 subarmónicos desde una señal de onda cuadrada entrante
· El divisor de ratio de los 4 subarmónicos a la frecuencia maestra, puede ajustarse en el rango de 1 - 24
· Anchura: 26 HP
· Profundidad: 90mm
· Consumo de corriente: +120mA