Category Archives: A-188-1

BBD Module

A-187-1 VCDSP – Voltage Controlled DSP Effects Module

Echo I

Echo II

Chorus & Delay I

All FX I

Chorus & Delay II

Chorus & Delay III

All FX II

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A-188-1: Doepfer Patches

Standard Flanger Patch

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Voltage Controlled Feedback

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“Enveloped” BBD

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Filtered Feedback

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Clock Filter

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Karplus/Strong Synthesis Basic Patch

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Karplus/Strong Random Melody Patch

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A-100

A-100

“In the A-100, Doepfer have produced a capable and versatile analog modular synthesizer, built in the style of the classic modular systems of the seventies. The renaissance of analog synthesis in the last few years shows that analog sound production has a vital place alongside sampling and digital synthesis, and can produce sounds that are unobtainable by any other means. In addition to the unique sounds of its oscillators, filters, amplifiers, phasers, frequency shifters, and so on, analog synthesis can provide almost unbounded modulation opportunities, conventional and unconventional – limited only by the number and variety of modules available.
In designing the A-100, our priorities were: good sound quality; diversity of modules available; ease of integration into a MIDI system; and, maybe most important of all, affordability.

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A-188-1 BBD Module

A-188-1 BBD Module

“Module A-188-1 is a so-called Bucket Brigade Device module (abbr. BBD). BBDs have been used to delay audio signals before digital delays dethroned the BBD based effect units. But BBDs have some very unique advantages (or disadvantages dependent on the point of view) over the digital counterpart which result from the special properties of the BBDs. BBD circuits can be treated as a chain of Sample&Hold units (S&H) which pass on their voltages to the next S&H in the chain at each clock pulse. A more detailed explanation – including the different types of BBDs – can be found in following chapter.

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