Category Archives: A-100

Doepfer A-100 modular system

A-110-1 Standard VCO improved

While examining one of my A-110-1s to help answer a forum question I noticed that it was equipped with a TL064 op-amp. A quick look at the schematics revealed that it is part of the waveform generation. I am not an expert but from what I┬┤ve learned, the 064 is usually not the first choice for audio applications. So just for fun I replaced it with a TL084 I had lying around.

A-110-1 with TL084 for IC2

A-110-1 with TL084 for IC2

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