In-depth on the Pittsburgh Modular

October 18, 2011 · Posted in Uncategorized 

“We take a look at the Oscillator, Generator , Outs and Audiomixer Attenuator.”

Pittsburgh Modular is building a uniquely skewed vision of modular synthesis. All of the Pittsburgh modules are handmade with the look of 1950′s science fiction laboratory equipment using bold components and unique layouts to promote interaction and experimentation. Fresh ideas in modern analog circuitry are used to create new, interesting, and strangely musical tones.

Some of their latest stuff below:

Dual Index: ($139)

An 8hp high quality dual linear VCA with both offset gain and attenuation plus a mix out and room for my big fingers. This module is based on the Generator’s Index circuit. Nice warm sound.

VCBend: ($139)

A 6hp control voltage modulation module. This module takes the bipolar control voltage input and bends it to the amount of the CV input in relation to the Internal Voltage Reference pot. This module favours esoteric applications over precision. More often than not the output voltage does not resemble the input in any way. The control voltage output of this module is always positive. Both the control voltage input and VC input are attenuverted.

GenXpander:

An output expander module for the Generator that is all about outputs.

It has a VC Wave Shaper to produce Saw and Pulse waveforms based on the selected Triangle and Square wave. Two BAD outputs produce “sub-octaves” based on the frequency relationship between Generator 1 & Generator 2. FM Source switch changes the waveform used for internal FM between Generator 1 and Generator 2. Options are Triangle, Internal FM Off, and the Variable Waveform the Generator module uses by default. Seperate Triangle and Square outputs for Generator 1 and Generator 2 to compliment the Variable waveform ouputs available on the Generator module.

Mod (Modulator):

A triple mode audio processor. The Modulator offers 3 types of effects based on the standard Ring Modulator circuit. Ring Modulator, Floating Z Modulator, and Linear Amplitude Modulator.

Type 1: Ring Modulator – Outputs the sum and difference of the X and Y inputs.

Type 2: Floating Z Modulator – Outputs the sum and difference of the X and Y inputs summed with the ambient voltage withing the circuit.

Type 3: Linear Amplitude Modulator – Outputs the sum and difference of the X and Y inputs summed with the carrier (Y) signal.

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