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Tag Archives: MIDI

Building a Great Virtual Pipe Organ: MIDI Encoders for Pedals and Stops

Roy Creek Ranch Posted on February 5, 2026 by JimFebruary 10, 2026
photo of The finished virtual pipe organ MIDI encoder prototype

With the structural modifications to the organ console complete, it was time to turn to a less visible—but absolutely critical part of the Virtual Pipe Organ project: how the physical controls would be encoded as MIDI.

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Posted in Projects | Tagged DIY MIDI, hauptwerk, MIDI, Organ Console Restoration, Organ Pedalboard, Virtual Pipe Organ, VPO Project, Workshop Projects

Build A Great VPO – Part 3: Amp Repair

Roy Creek Ranch Posted on August 11, 2023 by JimSeptember 12, 2025
photo of the Amplifier, ready for servicing

Just before disassembling the Thomas Transistor organ to create a VPO, I tried turning it on for one last listen. I wanted to sample a few of the basic sounds for later use building a sample set or synthesizer patches. It hadn’t been used for quite some time, though I had no reason to suspect it wouldn’t work. Within a second or two of powering the organ, there was a loud pop, followed by a very loud hum. Time to get it on the bench!

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Posted in Projects | Tagged amp, amplifier, build, capacitor, DIY, electrolytic, esr, howto, MIDI, music, organ, pipe, re-cap, recap, theater, thomas, transistor, tube, vacuum, variac, virtual, vpo, wb0mmc
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