Re: [chromapolaris] Re: EPROM Programming problem
2017-01-25 by Nekoma
Dear John and Paul , Thank You for great advice ! What do You mean with “ configuration “ Exactly ? Thank You ciao sukhoy27@yahoo.com ... Dear John and
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Re: EPROM Programming problem [1 Attachment]
2017-01-25 by John Leimseider
The most common problem I used to see was customers not having the configuration correct for the 2764 vs. 27128 ROMs when Fender was sending the software
RE: [chromapolaris] Voice failed.... first things to check?
2017-01-25 by Paul D. DeRocco
I believe that the ICs are socketed in all Polarises. Unless they re not, a useful technique is to try swapping ICs between the bad voice and another voice, to
RE: [chromapolaris] EPROM Programming problem [1 Attachment]
2017-01-25 by Paul D. DeRocco
... 0033866A POLARIS.BIN 000C8694 z10_8k.bin 000C5E1E z11_8k.bin 000D4B96 z12_8k.bin 000D5622 z13_8k.bin 0019D22A z12_16k.bin 0019B440 z13_16k.bin ... RAM is
Re: [chromapolaris] Voice failed.... first things to check?
2017-01-24 by dmxkrew@...
Thanks! I just took it to my tech but will pass on these notes, I don t think he s very familiar with the synth.
Re: [chromapolaris] Voice failed.... first things to check?
2017-01-24 by Florian Anwander
On 24.01.17 16:26 , Florian Anwander fanwander@mnet-online.de ... Sorry, this is a typo, it should read: set the VCF to full resonance.
Re: [chromapolaris] Voice failed.... first things to check?
2017-01-24 by Florian Anwander
... Do you have an oscilloscope? If no: Take the Polaris to a tech. If yes: Set the VCO to full resonance and enable noise. Do you hear this on this voice? if
Voice failed.... first things to check?
2017-01-24 by dmxkrew@...
One of the voices just stopped working on my Polaris. I hope it s not gonna be too expensive :( What are the first things to check?
EPROM Programming problem
2017-01-24 by <sukhoy27@...>
Dear Paul , programming new Firmware Rev 9 and rev 11 , it doesn t work for my Polaris.It is possible to have the Checksum
Re: Digital Chroma at NAMM
2017-01-20 by John Daniels
Try and grab Rachel Flowers if she s there and willing. If anyone can put a keyboard through its paces then she can. Regards John Daniels
RE: [chromapolaris] Digital Chroma at NAMM
2017-01-20 by Paul D. DeRocco
... I won t be releasing code or any other internal docs. But I ll release the various manuals, like the operating manual, the parameter descriptions, and the
RE: [chromapolaris] Digital Chroma at NAMM
2017-01-20 by Paul D. DeRocco
... Exactly what I m trying to do. ... As soon as I get a web site up, I ll make it available as a kit. It won t be cheap, because it replaces pretty much
RE: [chromapolaris] Digital Chroma at NAMM
2017-01-19 by hdk2000hdk@...
I hadn t heard of this. Video and audio would be great, but pictures, information, schematics & code ;) would all be very interesting to see.
Re: [chromapolaris] Digital Chroma at NAMM
2017-01-19 by w.james.meagher@...
Maybe you can ambush someone at NAMM! ;) I m sorry if you ve answered this question before, but I m just curious if this is purely a personal passion project,
RE: [chromapolaris] Digital Chroma at NAMM
2017-01-19 by Paul D. DeRocco
... No, not yet. I hope to find some better musician than I to do some sort of demo. -- Ciao, Paul D. DeRocco Paul
Re: [chromapolaris] Digital Chroma at NAMM
2017-01-19 by w.james.meagher@...
Hey Paul, Do you have any audio or video demos of your digital Choma online? Cheers, James Sent from my iPhone
Digital Chroma at NAMM
2017-01-19 by Paul D. DeRocco
Not the Polaris, but its big brother. As some of you might know, I ve built a digital version of the Chroma, as a hobby project, much more powerful than the
Re: [chromapolaris] Multitimbral access without a sequencer.
2017-01-10 by Phil Aiken
Thanks. I have a handle on that now that I have played with it. I thnk I will either write a Logic script or perhaps just map program changes on my base
RE: [chromapolaris] Multitimbral access without a sequencer.
2017-01-09 by Paul D. DeRocco
... Storing a new program under a particular number will not change the sound of instruments playing that program, because they are playing copies of the
Re: [chromapolaris] Multitimbral access without a sequencer.
2017-01-09 by phillipcaiken@...
It works!!!! I can send the program changes from a controller and not get sequencer involved. I will need to do some intermediary remapping of some cc# s,
Re: [chromapolaris] Multitimbral access without a sequencer.
2017-01-09 by phillipcaiken@...
Thanks for laying that out!!!! I guess I will have to get a sequencer involved - or maybe I can just send program changes via midi from my iPad or another
Re: [chromapolaris] Multitimbral access without a sequencer.
2017-01-08 by David Clarke
... Your Polaris already has the ability be opeate multi-timbrally over MIDI. Specfically, the Polaris already internally has the concept of separate
Multitimbral access without a sequencer.
2017-01-08 by phillipcaiken@...
I ll start with my goal, and work backwards. I d like to control my newly acquired Polaris with a ROLI Seaboard. To take full advantage of its capabilities, I
[chromapolaris] Strange sound and bad keys
2016-11-23 by Amos
Hello Guys, Please, I need guidance and help. I turned on my Chroma Polaris and realised that certain keys worked and would not work when I repeat playing
Re: CEM chips
2016-11-17 by synthparts@...
Hi, I have tested CEM3372s that work in the Polaris. Don t be ripped off by fakes chips. Doug synthparts.com
Re: [chromapolaris] CEM chips
2016-11-15 by Bob Grieb
I think there were several versions of the 3372, so if you are buying, you may want to see what you have and try to match it. The Akai AX80 had three different
CEM chips
2016-11-15 by hdk2000hdk@...
I though I only had 3 or 4 good channels (I have 5!), so I recently received quotes for CEM chips from icelect.com. I only found them through searches via
Re: Tuning problem / S+H capactiors?
2016-11-14 by dmxkrew@...
Ah I see you mean ZX01 & ZX02 in each voice. Will check those as well! Thanks yet again.
Re: Tuning problem / S+H capactiors?
2016-11-14 by dmxkrew@...
I can only see one 4051 on each S&H circuit, marked Z62 on the schematic. Is there really another one, am I being an idiot? It s perfectly possible of course!
Re: [chromapolaris] Re: Tuning problem / S+H capactiors?
2016-11-13 by Bob Grieb
Each voice has two 4051B s in the S&H circuit, plus two quad op amps. I am looking at figure 9-13 in the service manual. I would look into those parts on the
Re: Tuning problem / S+H capactiors?
2016-11-13 by dmxkrew@...
Hi Do you mean Z62 on the schematic? I was thinking it could be one of the multiplexers Z60 or Z61. thanks
Re: [chromapolaris] Tuning problem / S+H capactiors?
2016-11-13 by Bob Grieb
The capacitors in the S&H circuits are not the kind that fail and you should not replace them, IMO. If there really is an S&H issue, it s much more likely to
Tuning problem / S+H capactiors?
2016-11-13 by dmxkrew@...
One voice of my Polaris is out of tune (voice 1) after perforing AutoTune. I can also hear a slight portamento on that voice which makes me think the S+H
Hello (again!)
2016-11-13 by hdk2000hdk@...
Hi all, I was a member many years ago, and decided to become one again, as I m fixing up my Polaris after a dozen years of gathering dust. I bought it about 18
RE: [chromapolaris] Re: Help! Couple of issues...
2016-10-15 by Paul D. DeRocco
... That doesn t happen for me. I think there s something broken in that MIDI interface. Although it s in the same package as mine, it s also possible that
Re: Help! Couple of issues...
2016-10-15 by eric@...
Paul, First things first: thank you for the membrane switches and connector contacts! You ve helped give this old beauty a new life. I do have that same MIDI
RE: [chromapolaris] Help! Couple of issues...
2016-10-12 by Paul D. DeRocco
... I have a cheap Chinese interface too. It s black, oval, and has a stylized G-clef on it. If that s what you ve got, be careful: it has a bug which causes
Re: save to tape cable
2016-10-12 by F Aitken
Thanks for the help!
Re: save to tape cable
2016-10-12 by eric@...
The cable is the same as the one used for years on Radio Shack computers - from the TRS-80 model I to the color computer. So you might find one on ebay or
RE: [chromapolaris] Help! Couple of issues...
2016-10-12 by eric@...
The device I m connecting to the Polaris is one of those $10 made-in-China USB MIDI interfaces, so I m sure strict adherence to the spec wasn t their top
RE: [chromapolaris] Help! Couple of issues...
2016-10-12 by Paul D. DeRocco
... Interesting. The shell is connected to the chassis, but nothing in the cable is supposed to be connected to the shell. The shield is supposed to be
RE: [chromapolaris] Help! Couple of issues...
2016-10-12 by eric@...
Well I ve figured out the clicking thing... and the Polaris isn t broken! AFAIK the MIDI spec calls for the input on a device to be nothing but an
Re: [chromapolaris] save to tape cable
2016-10-11 by David Gowin
Used to be able to get them from Radio Shack ... From: F Aitken mfaitkenjr@yahoo.com [chromapolaris] To: chromapolaris
RE: [chromapolaris] Help! Couple of issues...
2016-10-11 by Paul D. DeRocco
... Contact me off-list. I ve got them. ... It could be a grounding problem somewhere. I recommend disconnecting and reconnecting everything with a connector
Help! Couple of issues...
2016-10-11 by eric@...
Hello all! I ve owned my Polaris forever but it s spent almost all of the last decade in storage. I recently pulled it out with the intent of selling it, but
save to tape cable
2016-10-11 by F Aitken
Hi, I'm proud owner of a Polaris. Loading patches using sysex is a pain. And I'm not a newbie. It might be my EPROM version. I guess I might be
Re: [chromapolaris] distorted audio
2016-10-11 by yarreau
Thank you Paul, that gives me some focus :)
Re: [chromapolaris] distorted audio [1 Attachment]
2016-10-10 by Florian Anwander
Hello ... as Paul already explained: blind replacing is not recommended (would you start pulling your teeth, when you have a head ache - hoping that one of the
RE: [chromapolaris] Hard Reset
2016-10-10 by Paul D. DeRocco
... It will erase everything, including the calibrations. You should hear scratch sounds, but you ll need to redo the calibrations before anything sounds
RE: [chromapolaris] distorted audio [1 Attachment]
2016-10-10 by Paul D. DeRocco
... Trying to fix things by changing things that might be bad is a poor way to do it, but at least the chips are socketed, so I d start there first. I d