TB-303 emulation demo #1 Spectralis 2 Acid house music

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DISCLAIMER: I've never seen (nor heard) a Roland TB-303 in person (excluding audio recordings), nor really sought out the sound (why am I doing this then? See below). I'll change the title if this in no way resembles the sound of the TB-303. Youtube demo's and sound design forums only tell you so much. Now, who would want an RT Spectralis when the Roland TB-303 is cheaper? Well... it's not cheaper. It's vintage, thus expensive and sought after (the original, at least). It is what it is, it's different than the spectralis, but if you already have the spectralis, perhaps you can get that TB-303 sound. Any thoughts on improving this sound? Let me know, I will make a video of how to make this sound if indeed it sounds similar, but will also take suggestions on improvements. Enjoy (further details below)!

Someone on the Radikal Technologies forums suggested a tutorial on recreating that TB-303 sound. Of course, with no prior knowledge of the synthesis involved, I looked it up and found a Access Virus thread on the subject (see below). Basically, the spectralis doesn't have the right filter. It has a 24dB LP filter (which doesn't open all the way) and a MultiMode 12dB LP/HP/BP filter. I set my oscillator through the MM filter, using the LP portion (specifics below). I then decided to just make a long video and got carried away. One thing I learned on this adventure: INDIVIDUAL PANNING FOR EACH FILTERBANK FREQUENCY!!!!! I used that for OSC3 and OSC4... it was fun and completely unrelated to the TB-303 sound I was going for... Enjoy!


http://virus.info/forum/index.php?pag...

If you're interested, here's what I did for VCO1:

Routing:
VCO1: TG1_____VCO2:TG2_____VCO3:TG3_____VCO4:TG3
MM:TG1_____LP:TG2_____NSE:TG2_____FB:TG2

OSC1:
Waveform set to 127 (Sawtooth)

VCO Multimode Filter Volume:
Osc1:255____Osc2-4:0

VCO1 Phase: 100

VCO Phase startpoint:
VCO1:100____VCO2-4:0

VCO1 Pitch Envelope (under course detune in Osc1, under pitch envelope preset):
StPt:24____Time:9____Time:0_____EndP:0

MM LP Filter:
Exp(cutoff): modified
Reso:66
EgAm: modified, but kept at 50 usually
FX1:50, FX2:131

FX1:
PrDl:10_____Time:20_____Feed:231
Sprd:255_____all others zero

FX2:
PrDl:0_____Time:1/4____Feed:201
Sprd:255_____ All others zero

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