Re: [korgpolyex] Testers wanted : Hawk 800 Max for Live editor
2014-12-10 by Alex Drinkwater
I d like to test this, too. Have my mother coming to stay this weekend though, so won t be able to get onto it until next week. Cheers, Alex
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Re: [korgpolyex] Testers wanted : Hawk 800 Max for Live editor
2014-12-10 by Michael Hawkins
Can you resend instructions on setting it up? I d like to get my HAWK800 website improved and will include links to your efforts. I can do some testing but I
Testers wanted : Hawk 800 Max for Live editor
2014-12-09 by lists@...
Hello, I m wrapping up work on a Max for Live editor for the Hawk 800. It supports every parameter in the 2.5.9 firmware. I m working on cleaning up the UI and
Re: Poly 800 mk1 with no internal battery terminals
2014-11-12 by hamilton.f@...
Many thanks for this info, got my poly800 backup and running linked to my Korg Kronos, the sound is awesome.
Re: [korgpolyex] Tuning Stability
2014-11-09 by Martin Ator
Yeah I replaced IC15. Cheers Mike. On Sunday, 9 November 2014, 20:05, Michael Hawkins korgpolyex800@yahoo.com [korgpolyex]
Re: [korgpolyex] Tuning Stability
2014-11-09 by Michael Hawkins
Excellent! I had a hunch that the detune circuit or surrounding clock stuff might have something to do with it. What did you do to fix the oscillation? Replace
Re: [korgpolyex] Tuning Stability
2014-11-08 by Martin Ator
I think have fixed this now. Pin 5 of IC 15 40H174 was oscillating like crazy. The signal almost looked like white noise. I don t know if this was enough to
Re: [korgpolyex] Tuning Stability
2014-11-01 by Martin Ator
I used program 12 from the service manual for the master oscillator adjustment.It s single mode. Detune is off. It s a very basic patch. On Saturday, 1
Re: [korgpolyex] Tuning Stability
2014-11-01 by Michael Hawkins
Did you have detune turned on or off at the time? What happens when you have it off or at different levels? Were you using single or double mode? If you re
Re: [korgpolyex] Tuning Stability
2014-11-01 by Martin Ator
OK, so I ve done some more testing now and I don t think it s the joystick or tune board. If I play a single note , say a C it shows 523.13 hz ( I haven t
Re: Poly 800 seems to works, no sound or strange sounds at very low volume
2014-10-31 by lushox@...
[SOLVED] The problem was the battery leakage. Because of that, the patches and sequencer memory was lost. The Poly 800 was making strange sounds or almost no
Re: [korgpolyex] Tuning Stability
2014-10-30 by Martin Ator
Thanks Mike. It makes sense to check the joystick as they re vulnerable to damage being so exposed, there could be a damaged pcb track or something. I ll also
Re: [korgpolyex] Tuning Stability
2014-10-30 by Michael Hawkins
I would start and go in this order: POTs integrity in the joystick and tuning boards. Wiring integrity in the joystick and tuning boards. Check your PSU is
Tuning Stability
2014-10-29 by cyllall@...
Hello, I ve got a poly-800 here that sounds like it s having trouble staying in tune. The more notes I play together the more it seems to go out of tune, like
Re: Poly 800 mk1 with no internal battery terminals
2014-10-23 by bperkins211@...
you should do a data dial while in there too. this rotary switch (NOT AN ENCODER)
Re: [korgpolyex] Poly 800 mk1 with no internal battery terminals
2014-10-22 by <backshall1@...>
I don’t know if it is possible to direct link to the file. You may have to log into your Yahoo account, go to the korgpolyex group and click on the links for
Re: Poly 800 mk1 with no internal battery terminals
2014-10-22 by adrianswift666@...
Ahh .. panic over .. found it in the files section .. many thanks and well done on such a great group :)
Re: [korgpolyex] Poly 800 mk1 with no internal battery terminals
2014-10-22 by adrianswift666@...
Hi all :) this is just what i needed but it looks like the link inst working ? any help would be greatly appreciated many thanks
Re: [korgpolyex] Calibrating joystick Poly800
2014-10-18 by ultragalore@...
Well, I ve checked all kinds of stuff Mike, different device (poly/mk2/ex800) settings, global parameter resets,... It started out with the very rare boot
Re: [korgpolyex] Calibrating joystick Poly800
2014-10-18 by Michael Hawkins
No, I think what you ve done is a bad idea. There is a reason why your joystick is misbehaving and you need to find what it is rather than patch in additional
Calibrating joystick Poly800
2014-10-18 by ultragalore@...
I have a problem with the Poly after my HAWK800 / atomahawk kit. The joystick DCO seemed to be miscalibrated. I need to pull it half an inch down to have
Re: [korgpolyex] Re: New CPU - idea
2014-10-15 by gordon@...
... The STM32 should handle eight voices with filters. It s got a fairly decent ALU which can cope with signed multiply and divide. I ve implemented a single
Re: [korgpolyex] New CPU - idea
2014-10-15 by John David Duncan
... I also don t know a whole lot about DSP, but I m guessing you can write DSP code the obvious way (with floating point math), or you could write it in a
Re: [korgpolyex] Re: New CPU - idea
2014-10-14 by Michael Hawkins
Well, I ve thought about the VCF issue and all I can say is that I *think* the STM32 would be able to do its own digital filters on the voices. I don t know
Re: New CPU - idea
2014-10-14 by bperkins211@...
It sounds like a fun project to see come to life, problem is the popularity of any TG running all voices into the one VCF. I know I sound like a glitched
Re: [korgpolyex] New CPU - idea
2014-10-13 by Michael Hawkins
I think most of us would agree with everything you said. The problem is that the easiest way to upgrade the tone generator would be to remove the existing
Re: [korgpolyex] New CPU - idea
2014-10-13 by John David Duncan
Hi, I ve missed a little of the discussion but I think I ve seen three different ideas: - replace the 8085 CPU - replace the tone generator - add a tone
Re: [korgpolyex] Re: New CPU - idea
2014-10-13 by gordon@...
... There s that guy in Germany who does replacement Juno VCA/VCF modules. IIRC they re about 60EUR each. Not especially cheap, but they look like a solid
Re: [korgpolyex] Re: New CPU - idea
2014-10-13 by Michael Hawkins
Yes, I think a CPU replacement would also be good as a TG replacement. The VCF is a problem. It would be good to figure out a solution. /Mike On Sunday,
Re: New CPU - idea
2014-10-12 by bperkins211@...
I like the idea of re-voicing the poly. But how much would this cost? I wish we had 8 VCF s to use like a DW8000, that bottleneck of the Poly800 usually
Re: New CPU - idea
2014-10-11 by tim.tashpulatov@...
Mike, This is going to be really exciting. More performance = more possibilities, just look at PreenFM project based also on STM32 chip able to do some 4+
Re: [korgpolyex] Re: New CPU - idea
2014-10-11 by gordon@...
... It s a pretty simple 24dB/octave filter. It wouldn t be hard to build a replacement for it. Of course, by then you re close to just sticking new guts into
Re: [korgpolyex] Re: New CPU - idea
2014-10-11 by ultragalore@...
I think I mentioned to you that the amount of hacking you did on the Poly is almost like building a new synth. I see no reason for you to take this outside the
Re: Help, damaged 800EX. Is this 'fix' correct?
2014-10-10 by lists@...
After fixing another bad pad that I could only see after remove the socket, I got it all working.
Re: Help, damaged 800EX. Is this 'fix' correct?
2014-10-10 by lists@...
Well, apparently you may need the battery installed for it to boot in factory form. I m getting two different boot ups though. It does some flashing around
Help, damaged 800EX. Is this 'fix' correct?
2014-10-10 by lists@...
Hi, So, I was doing my Hawk 800 upgrade and totally screwed something up. My EX800 won t boot up now (no LCD screen updates). I have the stock chips
Re: [korgpolyex] Re: New CPU - idea
2014-10-10 by Michael Hawkins
No, picture was to replace the 80C85 CPU - which I think is well worth doing. But with a little tweaking of that board design, we can emulate and dramatically
Re: [korgpolyex] Re: New CPU - idea
2014-10-10 by bperkins211@...
so the chip you posted a pic of was a replacement for the old TG?
Re: Preliminary HAWK800 editor demo
2014-10-10 by bperkins211@...
sounds like you had a buggy version seems every version has some kind of glitch in it.. but it s free and cool when it works right. how long ago did you try
Re: [korgpolyex] Re: New CPU - idea
2014-10-10 by Michael Hawkins
Yes, I figured some more recent buyers of the HAWK might be disappointed. But I can t start development on the ARM board until I know enough people will be
Re: Preliminary HAWK800 editor demo
2014-10-10 by ultragalore@...
Hi Blaine, I tried to use ctrlr for my TX81Z but it clogs up my computer big time - even on a 2.5GHz i7 which is crazy... Then I started writing the TX81Z
Re: New CPU - idea
2014-10-10 by ultragalore@...
ofcourse this new ARM thing is amazing and is the way to go if you want to make things happen like software midi-thru and proper portamento, but since I have
Re: [korgpolyex] New CPU - idea [1 Attachment]
2014-10-09 by gordon@...
... Sounds like a beast of an idea. I bet it could be adapted to other 8085-based machines too. ... I know you ve got a lot invested into the HAWK mod, but if
Re: Preliminary HAWK800 editor demo
2014-10-09 by bperkins211@...
I think I figured a way to get it working on Macs. goto http://ctrlr.org/ download Ctrlr-5.2.120.dmg 01-Sep-2014 18:18 45M it s here..
Re: [korgpolyex] New CPU - idea
2014-10-09 by Héctor David Polo Cheva
Great! Thanks! Enviado desde mi smartphone BlackBerry 10. De: Michael Hawkins korgpolyex800@yahoo.com [korgpolyex] Enviado: jueves, 9 de octubre de 2014 09:29
Re: [korgpolyex] New CPU - idea
2014-10-09 by Michael Hawkins
This would work in Poly, EX-800 and MK2. /Mike On Thursday, October 9, 2014 10:27 AM, Héctor David Polo Cheva hdpolo@gmail.com [korgpolyex]
Re: [korgpolyex] New CPU - idea [1 Attachment]
2014-10-09 by Héctor David Polo Cheva
EX800 considered? Thanks Enviado desde mi smartphone BlackBerry 10. De: Michael Hawkins korgpolyex800@yahoo.com [korgpolyex] Enviado: jueves, 9 de octubre de
New CPU - idea
2014-10-09 by Michael Hawkins
Hello Poly fans, See the attached PDF. This would be a replacement for the 80C85 CPU in the Poly-800. It will use a STM32F373 chip, an M4 with up to 256k
Re: Preliminary HAWK800 editor demo
2014-10-09 by ultragalore@...
Hi Blaine, thanks - I saw your editor but I run Reason 8 ( no VST) and OSX so I couldn t use it...
Re: Preliminary HAWK800 editor demo
2014-10-09 by bperkins211@...
you might want to try the GUI editor I made a couple years ago... HAWK800-GUIv2.29.zip - Google Drive