Demo: Buchla Style Modulations by Sunsinger published on 2012/02/07 22:30:57 +0000 Buchla Clone Dual Waveform Generator and Dual Function Generator. These two modules are combined. They are cross modulated by the Dual Waveform Oscillators. LFOs, and Delta Filter are used as modulation devices only. The demo does not go through a filter or through any effects.