MATRIXSYNTH: TB3030 - Roland TB-303 Clone


Monday, January 15, 2007

TB3030 - Roland TB-303 Clone

You don't see these often. Oakley TB3030. No title link just the two shots via this auction sent my way via Evil Paul.

Details:
"This is a TB3030 synth, which is basically an exact copy of the classic Roland TB 303 synth engine with a few extra enhancements, but without the sequencer.

I always wanted to get that classic analog 303 sound but didn't want to fork out the cash ($$$!) for an original Roland TB 303. I came across a guy on the internet who went to a massive amount of trouble to copy the 303 circuit exactly, add some extra features, and print some new circuit boards for it. I bought a circuit board from him, sourced all the parts (some were very hard to find!) then constructed it (I'm an electronic engineer). I worked on it every night for a month to build it, and it worked reasonably expensive to get all the parts for it.

I also built a midi interface into it, so it can be controlled by any external midi keyboard, or a sequencer such as a computer running Cubase.

It also includes a number of mods to the original 303 synth engine (in the vein of the devilfish mods), which make it more versatile as a synth. It includes a balanced output, an overdrive/distortion circuit, filter FM, a sub octave generator, VCA decay control and an accented decay control, all of which are not included on the original 303.

It certainly has an awesome tone! You can download some samples (and other info for it) from this page: http://www.oakleysound.com/tb3031.htm. Note that these sound samples are for the newer version (TB3031) which is slightly different, however the guts are basically the same and mine sounds basically the same.

Looking at the front panel, it has the following controls:

* Tune
* FM Modulation
* VCO Waveform select
* FM Wave Select
* Slide
* Filter cutoff frequency
* Filter resonance
* Accent
* Accent Decay
* VCF Envelope
* VCF Envelope Decay
* Sub oscillator (adds extra bass an octave down for a really fat sound)
* Mod wheel control (from memory this is mapped to filter cutoff, allowing you to control the filter frequency directly from your keyboard or sequencer)
* Drive (distortion circuit that really makes this thing bark)
* VCA Decay
* Processor control on/off (allows slide and accent to be controlled with midi velocity)
* Volume

On the back it has Midi in and Midi thru connectors, signal out and filter input jack, and the power connector. It has been built into a 3 unit rack case."


Previous TB3030 posts
Previous Oakley posts

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