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The ARP 2500 Modular Synthesizer The spectacular success of the Moog Modular
in 1968, prompted some new entrants into the analog market. In 1970 Alan Pearlman set up Tonus and launched the ARP 2500 Modular Synthesier with stable VCO's, a big improvement over Moog designs. read more »
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The History of the Noise Source The Random Signal Generator first appeared in
analog synthesis with the Moog 903 module in 1965. This article charts the development of the humble Noise Source over the next 20 years, including analog and digital techniques, white, pink and blue....
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COMING SOON The History Of the Noise Source - download the PDF
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The History of the Hardware Sequencer The sequencer arrived with the Moog 960
and ARP 1027 modules. Over the next 25 years sequencer technology advanced quickly, exploiting logic chips, static RAM and micro-processors. This article charts the development of hardware sequencing.
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COMING SOON The History Of the Hardware Sequencer - download the PDF
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ARP - Voltage Controlled Filters Alan Pearlman and his team of engineers created
some amazing filters, from the ARP 1047 Multimode Resonantor to the 24dB LPF Odyssey Mark 3 filter. Check out how these filters work and build one from the project notes.
read more »
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ARP QUADRA One of the most unusual synthesisers ever made, the ARP Quadra remains an engima. Four
synthesizers melded into one, with a crazy patching system and just 16 memories. The Quadra is poor design at its best, with a gem of a Phase Shifter you can build. read more »
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