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Disassembling the 1982 synthesizer - Part 5 - RSF-KOBOL Disassembling the 1982 synthesizer - Part 4 - DAC Disassembling the 1982 synthesizer - Part 3 - MIDI Disassembling the 1982 synthesizer - Part 2 Dismantling the 1982 synthesizer - Part 1 Before Photography Replacing a blown capacitor on a Polaroid 8x10 processor (81-01, 81-01, 81-12 or 81-22) 1843 Traité d’Optique Photographique | Désiré van Monckhoven Lerebours & Secretan Landscape lens or "Objectif Achromatique" serial #4914
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Welcome to my photography blog where I'll discuss from time to time my projects on photography and associated technology ... vintage, modern, analog and digital.

Disassembling the 1982 synthesizer - Part 5 - RSF-KOBOL

March 11, 2026
We finally arrived at the finishing touches. Removing the eight RSF-KOBOL cards and covering a short history behind RSF, the brainchild of Ruben and Serge Fernandez, the...
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Disassembling the 1982 synthesizer - Part 4 - DAC

March 10, 2026
The DAC, or short for Digital-to-Analog Converter, is the glue between the computer and the analog synthesizer in this 1982 vintage system. This is the section that gener...
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Disassembling the 1982 synthesizer - Part 3 - MIDI

March 07, 2026
This blog post continues with the disassembly and reverse documentation of my 1982 hybrid synthesizer design, based on 8 RSF-KOBOL Expander I cards, interfaced to an Appl...
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Disassembling the 1982 synthesizer - Part 2

March 06, 2026
We'll start this post with the last image from the previous post. A top view of the 128-channel D/A Convertor and 8 voice synthesizer rack cage. The front panel is at...
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Dismantling the 1982 synthesizer - Part 1

March 05, 2026
There's something bittersweet about dismantling a piece of equipment from a bygone era where one poured blood, sweat and tears into There is the good-feeling observation...
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