RE: Korg Polysix MIDI retrofit & sys-ex protocol
2013-11-10 by <moogchild@yahoo.es>
Thank you for your pics and the user manual, they have been very useful to me. I have one board of the 1986 Korg USA P6 Midi Retrofit, but with no instructions
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Re: [PolySix] Please help on MIDI Retrofit Kit P6-MRK made by Korg USA in 1986
2013-11-10 by moogchild synthdrome
Thank you very much for your help! There s also a copy of the user manual in the files section. Now I only need the installation instructions. I ll contact the
Re: [PolySix] Please help on MIDI Retrofit Kit P6-MRK made by Korg USA in 1986
2013-11-10 by Johannes Hausensteiner
Hi, There are pictures of the Korg MIDI Retrofit in the files section of the list: http://groups.yahoo.com/neo/groups/PolySix/photos/albums/912066063 According
RE: Oxygene Vid with my Son
2013-11-05 by <rufushaw@yahoo.it>
Hi, the flute sound your son is playing on Polysix from 4:17 is interesting. Do you have or can provide the patch values to recreate it? Thanks. ... Hey guys,
RE: Another P6 back to life, but some issues are still there.
2013-11-02 by <rufushaw@yahoo.it>
Hi all there, Some updates: 16 8 4 pot issue solved. The pot wasn t working properly due to a interrupted trace on KLM 367. You can see the huge rework I ve
Re: [PolySix] Oxygene Vid with my Son
2013-11-01 by Ben Stuyts
Awesome! Thanks for sharing. Ben
RE: RE: Another P6 back to life, but some issues are still there.
2013-10-31 by <kenichi.productions@gmail.com>
Hey Sandro, Thats really interesting that most of your problems came from your CPU chips. Were they original or aftermarket replacements? I had weird problems
RE: Another P6 back to life, but some issues are still there.
2013-10-31 by <rufushaw@yahoo.it>
Hi all there, that s the last update for today. WRONG SCALING issue: I ve swapped the 8049-217 from a working P6 to the faulty one and there was a big change.
Oxygene Vid with my Son
2013-10-30 by <arpomni@yahoo.com>
Hey guys, Here is a post of my beloved Polysix. My son is on it for our Oxygene Part II cover fun. I am on my Arp Omni and Korg Poly 800 with a Moogslayer
RE: RE: [PolySix] RE: Another P6 back to life, but some issues are still there.
2013-10-30 by <hr.public@lonningdal.net>
I can confirm VTL5C9 works fine without any modifications. Made this picture for reference.
RE: [PolySix] RE: Another P6 back to life, but some issues are still there.
2013-10-30 by backshall1
I posted this link a couple of months ago. It s a blog by Stefan Huebner. He took some measurements with an old P1501 and a couple of Vactrol parts and made a
RE: Another P6 back to life, but some issues are still there.
2013-10-30 by <rufushaw@yahoo.it>
Hi all there, Some updates: MG LEVEL issue Solved. After getting crazy in debugging, I ve swapped the 8047-347 (an 8947 with mask rom written on it) with a
RE: Another P6 back to life, but some issues are still there.
2013-10-23 by <rufushaw@yahoo.it>
Hi there, Some updates. I ve made some swapping tests, and these are the result. Broken P6 had some issues on panel controls, on octave transpose knob 16 8
Please help on MIDI Retrofit Kit P6-MRK made by Korg USA in 1986
2013-10-23 by <moogchild@yahoo.es>
I got one board with my Polysix, but theres five sockets without ICs (four big and one small) and I don t know what to do with the cables (there s a lot). I
Another P6 back to life, but some issues are still there.
2013-10-22 by <rufushaw@yahoo.it>
Hi all there, I ve picked up another Polysix in good external conditions, but dead on the electronic side. It had the common battery leakage on a small area
RE: RE: Problem with voices/ key assigner
2013-10-19 by <chipaudette@yahoo.com>
I m glad that you got it all working. Success! And thanks for sharing the temperature measured inside your Polysix. Gives me extra confidence that my own
RE: Problem with voices/ key assigner
2013-10-18 by <kenichi.productions@gmail.com>
Hey Again, Thanks chip for your lenghty and helpfull input. I had actually probed around the areas you mentioned but couldn t notice anything that stuck out.
RE: Problem with voices/ key assigner
2013-10-18 by <chipaudette@yahoo.com>
Hi, Chip from synthacker here. Thanks for checking out my blog. Your voice problem is wacky. The fact that you get all voices to work when pressing on the
RE: Problem with voices/ key assigner
2013-10-18 by <kenichi.productions@gmail.com>
Hey guys, I checked out synth hackers blog. Definitely helped my understanding along. Cheers. I am hoping to be able to check out the CV de multiplexers
Korg Polysix MIDI retrofit & sys-ex protocol
2013-10-15 by <spuzroy@yahoo.com>
Hi I posted a scan of the MIDI retrofit manual in the Files section. I have a few questions for this group. Is there anyone else out there who has this
Re: [PolySix] Problem with voices/ key assigner
2013-10-12 by Bob Stewart
Could be the control voltage demultiplexers? I d get a scope onto the outputs of those and see what s going on. B
RE: Problem with voices/ key assigner
2013-10-12 by <hr.public@lonningdal.net>
Can t really help out, but have you seen synthhacker s blog on how the P6 detune unisone mode? Excellent article that might add to better understanding of the
Problem with voices/ key assigner
2013-10-12 by <kenichi.productions@gmail.com>
Hey guys, Have a polysix here with a voice issue. I am thinking that it may be a bad track or something similar around the key assigner circuit somewhere, but
Re: [PolySix] Troubleshooting help - VCO section & Arpeggio/Programmer
2013-09-29 by Bob Stewart
Sounds to me like you should find someone with some experience and get them to have a look. It looks like you ve already found out the hard way that it s
Troubleshooting help - VCO section & Arpeggio/Programmer
2013-09-29 by <etmachina@hotmail.com>
I ve got a Polysix that nearly works for years now, with little or no battery damage that I don t think is an issue. When bought it had minor problems, all of
Re: [PolySix] tuning issue / where is VR2, VR14, and VR15?
2013-09-25 by Malte Rogacki
If you have the widely circulating service manual (the one from the file section) you ll find the correct tuning instructions for your board (which is the
RE: tuning issue / where is VR2, VR14, and VR15?
2013-09-25 by <hr.public@lonningdal.net>
Hi I m just starting to troubleshoot my own unit so I cant claim I know anything. But when one have already done everything and it still don t work I usually
tuning issue / where is VR2, VR14, and VR15?
2013-09-25 by <wbkennedy1@gmail.com>
Hello kind polysix users! I am having tuning issues with my poly6... ive replaced the optocoupler and resistor and replaced ic16 with a new tl072 chip, but the
Re: [PolySix] Part code - EG intensity Pot
2013-09-24 by klosmon
That s a 10K ohm center-tapped pot; in addition to the terminals at each end of the resistance strip, there s also one in the center. This kind of pot (also
Part code - EG intensity Pot
2013-09-24 by <rufushaw@yahoo.it>
Hi all there, I m writing from Italy. I m looking for a part code number for a spare. I m refurbishing a P6 in poor conditions due to several hits over the
Re: [PolySix] RE: Heat and Modulation problems?
2013-09-21 by agk agk
Already saw your site Chip, it was very helpful. Yes my temp seems to be normal , i guess... compared to yours, the problem is that LFO to VCA noise. The
RE: Heat and Modulation problems?
2013-09-20 by <chipaudette@yahoo.com>
Regarding temperature of your Polysix, if you have the capability to measure temperature, you can compare the measured temperature of your Polysix to mine. To
Recreating Polysix Patches
2013-09-20 by Russell Duce
Hello everyone, I hope you re all well. I m writing to ask if anyone could help me reproduce certain patches for the Polysix that were used in the original
Re: [PolySix] RE: Heat and Modulation problems?
2013-09-19 by Johannes Hausensteiner
It is hard to tell if the noise you experience is average for a Polysix. There is quite some audible noise. And it is natural that when the MG is set to VCA
[PolySix] RE: Heat and Modulation problems?
2013-09-19 by Malte Rogacki
First things first: The heat problem usually is not a real problem. The back of the Polysix doubles as a heat sink for the power supply. Now, the LFO
RE: Heat and Modulation problems?
2013-09-19 by <agk_achilles2004@yahoo.com>
OK, so now i notice that the LFO problem occurs when i route the LFO to the VCA. It seems like the LFO freq is the one that passes as audio. My mixer goes all
Heat and Modulation problems?
2013-09-18 by <agk_achilles2004@yahoo.com>
Hi guys I just got on my hands a Polysix but it seems to produce a lot of heat on the back side where the KORG logo is located. Also the LFO (MG) seems to
Please Help to solve probs with Polysix!
2013-09-17 by iorlovs
Firstly I have repair battery leakage problem changing to new lithium battery.Then replaced IC31 chip with new socked.After that rewiring the board traces and
RE: RE: no output except static and clicks!
2013-09-08 by <chipaudette@yahoo.com>
There are a bunch of reasons why a button won t appear to work: (1) is the button itself working, (2) are the traces between the button and the microcontroller
RE: no output except static and clicks!
2013-09-08 by <wbkennedy1@gmail.com>
Is there a way to test if the buttons are messed up or if its a larger problem? nothing happens when I push the arpegiator button.. --- In
RE: Polysix mod kit: Polysex
2013-09-07 by <chipaudette@yahoo.com>
You packaged this VERY nicely. Well done! ...and, as you may know from my synthhacker blog, I ve been a HUGE fan of detuned effects on the Polysix. I had not
Re: [PolySix] Polysix mod kit: Polysex
2013-09-07 by Dennis Matana
Stunning mod dude! ________________________________ From: Terje Winther
Re: [PolySix] Polysix mod kit: Polysex
2013-09-06 by Tubbutec
Hi, yes it will work. The only problem is with the modulation signals (PWM LFO and MG). These are created on the CPU board which is replaced by the Kiwisix
Re: [PolySix] Re: Unable to deliver your message
2013-09-06 by Tubbutec
Thanks :-) Yes is does work with the PolysixM midi upgrade and should work with all other midi kits as well. regards Tobi
Re: [PolySix] Polysix mod kit: Polysex
2013-09-05 by Terje Winther
Hi, Very interesting. Can this be installed after the Polysix have been upgraded with the Kiwisix upgrade? Terje ... Terje Winther
Re: Unable to deliver your message
2013-09-05 by David Davis
Polysix mod kit: Polysex
2013-09-05 by Tubbutec
Hi, I would like to announce my Korg Polysix modification kit, the Tubbutec Polysex. http://tubbutec.de/polysex/ It adds an additional control panel to the
RE: Temperature of YOUR Polysix?
2013-08-31 by <chipaudette@yahoo.com>
Based on my recent frequency measurements of my Polysix, where I saw a 4-5 dB hump at 12 kHz, I decided to attack the raspy issue and do some modifications.
Re: Deeper Bass, Bypass C61 on KLM-368
2013-08-27 by chipaudette
I decided that I liked the sound of the deeper bass after bypassing C61. So, I got rid of my temperator clip-leads that I used to jumper around C61 and
Re: Deeper Bass, Bypass C61 on KLM-368
2013-08-26 by chipaudette
I made a better set of frequency response measurements with the C61 mod. The graph is much clearer in how the deepest bass freqencies are now extended by the