Everyone needs a wavefolder. It took me some time to properly grasp this module, but now it makes it's way into almost every patch I make. You can get a huge range of sounds! It's best fed with a triangle or sine as the wave folding circuit adds lots of harmonics to the signal. Adding some slow modulations to the "symmetry" and "harmonics" inputs can create an ever changing sound that never sounds the same twice!
A great tip I learned with this is to keep the input level down low, it is easy to overdrive, and by doing that you may miss the subtle morphing waveshapes that this module excels so well at.
A small issue I have with this is the depth, it's a little bit deeper than most modules so it may have trouble fitting in a shallow case. (No problem using any of Doepfer's excellent racks though!)
I don't think there is another wavefolder that sounds like this. One of Mr Doepfers most unique creations.
This module takes modular synths outside the analogue realm, since it is completely 8-bit digital in nature. Don't expect the same quality as the modern soft samplers (which can be 16, 24 or 32 bit), but that is not the point. The gritty sounds you get from this module are perfect for many electronic genres, and the ability to play samples inside a modular synth, and process the results through analogue filters, or play them with a sequencer, brings a whole refreshing new dimension to your music. Get one (or even two maybe - I knew a man who had four!)
The A-110-2 Basic Oscillator is a great-sounding oscillator, with interesting additions to the A-110-1 Standard Oscillator. While the -1 has a 5-position switch for octave, the -2 has only 3 positions. The -2 also sacrifices the sine output from the -1.
While the -1 has linear FM (i.e. a second 1V/Oct CV input with an attenuator), the -2 also has exponential FM. And while the -1 has a sync input, the -2 has both hard and soft sync inputs. The -2 has only one input for pulse width - but that seems like a reasonable sacrifice for the other features.
I find that the A-110-2 doesn't track as well as the A-110-1 in high ranges, and the sound is a bit "grittier" than the A-110-1. I actually like the square wave output of the -2 better than that of the -1, and since I have two of each, I tend to use them together to add texture to patches.
All in all, for the small price savings and the 2HP difference in width, I would tend to buy the -1 first - but I would buy a -2 to go with it, too.
Doepfer A-100BS2 Basis System mounted in LC9 Case 9U, Analog Modular-System, contains 2x Standard-VCO A-110, 1x Ring Modulator A-114, 1 x Audio-Divider A-115, 1 x VC Waveform-Processor A-116, 1 x...
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