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OldBlue Modules (archive)

These pages list the current modules designs for the BugBrand system, all made with 4mm banana sockets. Through 2009 batches were released primarily to the 12 or so core system users with occasional external sales, including some in Minijack format. From the beginning of 2010 all current designs are being updated to Rev.2 status - introducing new and more efficient production techniques (Surface mount construction and parallel PCB designs) and adding a few small additions to some modules.
Note - I never even posted several module designs on here! All OldBlue modules show up in ModularGrid.


Product Image Item Name-
PRC5 - Wavefolder

PRC5 - Wavefolder

The new PRC5 Wavefolder is a powerful processor which adds overtone harmonics to input waveforms. Typically the Wavefolder is used to add harmonics...
CLK2A - Division

CLK2A - Division

Introducing the new range of CLK clocking modules - the first design is a compact divider offering integer divisions from 2 to 9. The CLK2A has an...
CLK2B - Binary Divisions

CLK2B - Binary Divisions

The CLK2B is another Division module, but this time you get the Binary Divisions - 2 / 4 / 8 / 16 / 32 / 64 - plus two Staircase output waves...
CLK3A - Triple Logic

CLK3A - Triple Logic

The CLK3A features three versatile Logic Gates, each with two inputs, two outputs and a Mode switch. Each section behaves in a similar manner - the...
DD1 - Modulator / Low Pass Gate

DD1 - Modulator / Low Pass Gate

The DD1 is a dual module providing a Modulator (BalMod) and a Low Pass Gate (LPG) in a compact form. The new Rev.2 version has added a mode switch to...
DD2 - LFO / DC Mixer

DD2 - LFO / DC Mixer

The DD2 is a dual module offering a simple Low Frequency Oscillator (LFO) and a polarizing DC Mixer in a compact form. The new Rev.2 version adds...
DD3 - VCA / Drive

DD3 - VCA / Drive

The DD3 is a dual module which brings together a VCA (Voltage Controlled Amplifier) and an Overdrive/Distortion unit. These parts can be used...
UTL1 - Dual Preamp

UTL1 - Dual Preamp

The UTL1 Dual Preamp provides a means of introducing external audio signals into the system. Because external signals tend to be of a much lower...
UTL2 - Output Mix

UTL2 - Output Mix

The UTL2 Output Mixer is a simple three channel mono audio mixer designed primarily to act as the system output stage. The input channels are...
UTL2B - Outputs

UTL2B - Outputs

The UTL2B provides a more comprehensive range of output options than the compact UTL2 - it includes stereo panning and a headphone amplifier. There...