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- #KORG POLY 800 MK1 BATTERY MANUAL#
- #KORG POLY 800 MK1 BATTERY MODS#
- #KORG POLY 800 MK1 BATTERY PLUS#
- #KORG POLY 800 MK1 BATTERY CRACK#
I checked the voltage with a multimeter and it was pulling 9 volts but it just wouldn’t power up. However, the Poly wouldn’t power on with just the C batteries. I turned the machine off and left it for a few hours, and when I came back, they were still there. I bought a fresh set of Cs and loaded in some patches I found online with my iPhone. These early Polys stored patches with power from the C cells remove them and the presets disappear. Just an empty space, a void in the board, like someone forgot to finish their work, closed it up, and sent it off into the world.Īpparently there were a number of different revisions of the Poly-800, and the early ones were shipped with no battery. It didn’t even have the surface-mount solder pads for a battery. Usually, the internal battery sits right in the middle of the board that’s screwed to the base of the case. Next, I looked for the internal battery to check its condition. I scraped off as much orange crust as I could from the terminal but it was still pretty corroded. I didn’t plan on strutting around on stage with the Poly anyway so no big deal, but it’s nice to have everything in good working order. There were tell-tale signs of battery leakage inside but it had been cleaned up pretty well, aside from the positive battery terminal, which was crusty and rusted. The batteries were cheap but not leaking or even particularly old, so someone had been using it recently.
#KORG POLY 800 MK1 BATTERY CRACK#
Time to crack it open and see what was happening inside. Many a fine synth has been ruined by leaking batteries. Before opening it up, I checked inside the battery compartment and there were six C batteries in there.
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When I turned it on, instead of hearing the familiar organ-like tones of preset 11, I was greeted by a whoosh of white noise and a resonance bump. Everything seemed to be in working order. The tact switches were tight and responsive, clear sign that they had been replaced recently (or perhaps the synth was rarely used). There was some mottling on the case but the buttons still had their original color, which is something of a miracle. I could always sell it for parts and get my money back anyway.Ĭosmetically, my new Poly-800 wasn’t in terrible shape. Seeing as it’s a Poly-800, and they sell for around $100 in Japan, I wouldn’t be too disappointed if I killed it. I couldn’t do much about the teal but I could add two knobs to bring direct control of the filter and cutoff parameters to the fore.
#KORG POLY 800 MK1 BATTERY MODS#
These mods require skills above and beyond what I have now, and I certainly don’t want to wreck them in the process, so when a cheap Poly-800 became available on Yahoo Auctions, I snapped it up in the hopes of trying the Moog Slayer Filter Mod.Īs anyone who’s looked at a Poly-800 knows, there are no knobs on the front panel, just a few buttons and a lot of teal. I’d like to add MIDI to my Korg Poly-61 and maybe improve the MIDI on my Roland JX-3P. I thought modding might be the logical next step from changing internal batteries and swapping out tactile switches. If you've got any questions or would like more photos just let me know.I’m trying to improve my electronics skills. I'm requesting payment be made via bank transfer. but for the UK or US it's generally around the US$100 range. Shipping will be done via EMS and the cost will vary depending on where you are. I'm in Japan, but I'll be happy to ship it anywhere at your cost. The best bit is that it has pegs on the sides so you can keytar it up to your heart's content The MIDI in/out works perfectly as well, so hooking it up to your DAW as either a sound source or a controller, is quick and painless. the original cassette of patches (an mp3 is available so you wont have to hunt down a cassette player).
#KORG POLY 800 MK1 BATTERY MANUAL#
a Japanese manual (the English one is available online of course) The original factory patches have been restored. A new battery and battery holder has been installed away from the pcb as well, as you can see from the pics. The internal battery has been replaced even though there have been no leaks. Its been thoroughly cleaned inside and out. It's in great condition, physically and electronically. The Korg Poly 800 is an 8 voice digitally controlled analog synthesizer that was released in 1983.
#KORG POLY 800 MK1 BATTERY PLUS#
For sale is an analog Korg Poly 800mkI for US$200 plus shipping.