This polyphonic (8 voices), programmable synthesizer featured a 49-note (C-C) non- velocity keyboard, MIDI, one DCO per voice, a single VCF, three six-segment envelope generators (one for each group of 4 oscillators, and one for the VCF or noise generator), battery power, and two strap buttons, which, combined with its light weight, made it a truly strap-on synth. Other synths in the Audio Playground Collection Poly-800 brochure courtesy of Benjamin WardĪbove photo from the collection of Joseph Rivers, Audio Playground, Orlando, FL Search the Classifieds for this instrument. Tonight, I'll tackle the keybed and switches if possible.Home Site Map About Us Contact Us Support Us You can see the cleaning spray with the tiny precision tube as well as the replacement Maxell CR2032 3V coin battery. Here are some pics of it after partly cleaning the plastic upper cover with glass cleaner and wiping the white keys with Hydrogen Peroxide. Wouldn't that be awesome and beautiful to have been inspired and helped on this journey and to be able to inspire and help others in return?
KORG POLY 800 MKII CR2032 MODS
So, with this thread, I am hoping to perfect my own knowledge of synth DIY and repair, as well as help others including Doug if possible since his issue was one of mine of the DW-8000, and perhaps plan some mods to the DW-8000. This helped build confidence and was knowledge and practical experience which came in handy when repairing my broken Micron bought used. Here is also the moment to thank the other DougT again for his inspiration about salvaging parts and building one's own synth - I came across his blog this summer while thinking about building my own modular synth and learned to salvage parts and desolder parts. So, to recap (no pun intended ) it's a bit sad how people dismiss these instruments (yes they are machines, but also instruments, to make music, with beautiful, beautiful sounds), but it's also a newly welcome blessing in my life, as I discover and re-discover the joys of analog (or hybrid) electronic synths and manage to obtain them at bargain prices. This filter, with the mods, wants to kill other equipment. While some would argue it wouldn't slay any Moog, I would argue it would be better called a 'Speaker Slayer' or an 'Amp Slayer'.
KORG POLY 800 MKII CR2032 MOD
There's a reason the original mod on the Poly-800 is called the Moog Slayer. wait till I manage a realtime Cutoff Frequency and Resonance mod on it, it will scream. People don't know the value of these instruments.Īnd yes I know the DW-8000 uses digital oscs, but it's a polyphonic analog/hybrid with real analog filters, and those filters. I think I have become something of a nostalgic old man, because seeing poly analog synths mistreated like this makes me sad.
Or, since you may have bought some second-hand equipment yourself, you would imagine exactly how it is! You wouldn't imagine the amount of greasy dirt on that casing and the grime on the keys. Last night I cleaned up the upper plastic casing and rubbed hydrogen peroxide on the keys. I want to fix it as much as possible and then plan some enhancements to it, with the help of Doug and other knowledgeable brothers-in-synth-diy-arms. Heaven made it so that after some cleaning and connector-pushing, it's aliiiive! I was quite close to envisioning extracting the filter chips and selling them separately. Desoldering it was a lengthy process, but I had perfected the craft somewhat. Thanks to the other DougT's inspiration about salvaging parts this summer, I practised and managed to repair the broken encoder on an Alesis Micron. First, I need to get a new battery holder and battery there, and maybe fix some of those non-triggering keys. I am really, really tempted to try and do an External Audio into VCF mod on this synth. I guess the cleaning and brushing gave it the final kick and maybe pushing those connectors too.
When I did this, I heard the notes arpeggiating correctly, so I deduced that the synth is working correctly up to the voice + filter board and that perhaps the issue was the next board, i.e. However, the following is something I tried yesterday with all the filters while the Arpeggiator was on, and hence I knew that I would be able to make it work at one point: connect the penultimate pin down on the left to the third pin from the top on the right. The sounds on the DW-8000 are awesome: lots of superb strings, pads, brasses and clangorous tones too.ĭid you try removing the connectors, cleaning them up and putting them back?Īlso, try a power on while maintaining 5 and 8 and re-send the patches by SysEx.Īpart from cleaning and brushing the board myself last night and pushing the connector back in, I am not too sure what else I could have done to make it work. I actually also took the battery from the seller as a souvenir and the greenish residue does come from its edge. They are less prone to leakage than the other coin batteries and other non-coin ones, but this one still did.
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