synth guts

synth guts

Report # 2 - Inside a Minimoog : Service, Calibration and a Blind Test

Published on May 22, 2017 Synth Diy Guy

"I was asked to service a classic and couldn't resist. Take a tour inside a 1975 Model D, complete with "pepsi challenge" with a Yusynth DiY modular and the Arturia Mini V3 software.

Info I gathered on servicing minimoogs:

also, please be my patreon :)"

New MacBeth M7-D Circuit Board

And image of the upcoming MacBeth M7-D synthesizer's circuit board sent my way via Soviet Space Child.

See this post for some pics of s prototype front panel.

EDP WASP Synthesiser with MIDI Retrofit

via this auction

"EDP WASP Synthesiser in full working order with Elby Designs MIDI retrofit which means it can be used with modern sequencing tools. Some cracks to the case which is not unusual for this model and battery compartment shows signs of corroded batteries however it has been modified to allow use of PP9 battery. Comes with non-original mains adaptor. P&P price includes

miniAtmegatron Tutorial - Uploading Software

Published on Apr 29, 2017 Soulsby Synthesizers

"This tutorial shows the simple process for uploading software onto the miniAtmegatron.
All files and information can be found here:"

PAiA "Stringz n Thingz" Analog Synthesizer

Published on Mar 27, 2017 altarace

via this auction

Some great shots of the inside.

"Attic find, pretty rare item on ebay. As you can see in the video it still works great. Does need cleanup but otherwise no major issues for a 40 year old analog synth.
Reading online most of these were factory assembled and looking at the tidy soldering and wiring I'd say this one was as well. It does appear

Vintage Minimoog Model D SN 1075 w/ 1130 Drum Controller

via this auction

"This Minimoog was one of the very first, made in 1971, as the 73rd unit with serial number 1073 [the SN, as you can see below, is actually 1075]. It is in amazing condition - clean inside and out! The Minimoog and 1130 drum controller were both serviced and tested - they are good to go!

Pictures of the inside of the Minimoog were taken while it was being serviced.

Inside the Squarp Pyramid: a hardware teardown

Published on Apr 18, 2017 Olivier Ozoux

"I was curious to see what's inside that french sequencer, so I've decided to take a screwdriver to it and find out...

The main processor is a STM32F427-VGT6 ARM Cortex-M4 core with DSP and FPU, 1 Mbyte Flash, 180 MHz CPU."

Synthchaser #057 - Oberheim OB-8 Power Supply Rebuild & Dead Oscillator

Published on Apr 17, 2017 Synth Chaser

"I show you around the inside of an Oberheim OB-8, and we take a look at a dead oscillator which is causing autotune to fail for one of the voices. Then, I install my power supply rebuild kit, which replaces the power supply capacitors and beefs up the bridge rectifiers.

Parts used in this video are available at my website. I also repair and restore

Treat Yourself :)