Re: Changing to 240v
2017-06-20 by synthparts@...
Hi, I think you just got the 3372 and 3374 from me. I made sure to send Rev B 3372. It s important to match the existing chips on those. Thanks, Doug
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Re: [chromapolaris] Playing a Link Patch through midi keyboard
2017-06-19 by conorstrachan@...
Hi David I worked it out, bit of a head scratcher. Logic X won t let you send on two midi channels to the Polaris at once unless it is set up as one
Re: [chromapolaris] Playing a Link Patch through midi keyboard
2017-06-19 by David Clarke
... I can t speak to the Logic side of things - but as long as you end up wtih two different MIDI streams, each on different MIDI channels (with appropriate
Re: [chromapolaris] Playing a Link Patch through midi keyboard
2017-06-19 by conorstrachan@...
Hi David thanks for the detailed description. I have got my head around the signal flow now and it all makes sense. The only issue I have is that when I am
Re: [chromapolaris] Playing a Link Patch through midi keyboard
2017-06-19 by David Clarke
... The MIDI channel assignments are not fixed - they are settable by the user. The user choses a base channel, and then additionally can specify how many
Re: [chromapolaris] Playing a Link Patch through midi keyboard
2017-06-19 by conorstrachan@...
Hi Dave Thanks for your response. From what I have experience and what I have read in the manual, one instrument is on Midi channel 16 and the other is on midi
Re: [chromapolaris] Playing a Link Patch through midi keyboard
2017-06-19 by David Clarke
... It is best to think of the Polaris in terms of instruments. By default, there is one instrument created for the main patch. If there is a link , then
Playing a Link Patch through midi keyboard
2017-06-18 by conorstrachan@...
Been trying to get my head around playing a linked patch through midi. I understand that a linked patch goes through two different midi channels. I can route
Re: Pedal Range/Aftertouch Range
2017-06-17 by conorstrachan@...
Just an Update on this: It appears in Channel mode - Mono aftertouch mode. I get a good sweep and a good range. In Keys mode (Poly AT) I get only a very tiny
Pedal Range/Aftertouch Range
2017-06-16 by conorstrachan@...
Hey Group I am trying to get my aftertouch going through midi (using an SQ80 with Polyphonic aftertouch. As far as the manual goes the aftertouch seems to be
Re: Changing to 240v
2017-06-16 by conorstrachan@...
Hey thanks for help. Turns out one of the 3372 s is out. Swapped the chips around. Managed to get five voices working now and all it needs is a 3372 and a 3374
Re: [chromapolaris] Re: Changing to 240v
2017-06-16 by Florian Anwander
That is Tom Wiltshire, regular on the synth diy maillist. A very reliable person. But only his website is in the UK. He lives in Portugal.
Re: Changing to 240v
2017-06-16 by conorstrachan@...
Found someone in the UK with them http://electricdruid.net/product/cem3372-synth-voicing-chip/ Hope they are legit
RE: [chromapolaris] Re: Changing to 240v
2017-06-15 by Paul D. DeRocco
... There are some on eBay right now. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@ix.netcom.com
Re: Changing to 240v
2017-06-15 by conorstrachan@...
Great thanks for that Paul going to give it a go now. Any legit sources of CEM3372 s you know of to purchase?
RE: [chromapolaris] Re: Changing to 240v
2017-06-15 by Paul D. DeRocco
... When diagnosing a bad voice, the first thing to do is to try swapping chips between it and a working voice. That s the benefit of having socketed chips. If
Re: Changing to 240v
2017-06-15 by conorstrachan@...
Hi Paul Worked a treat! Just got my Polaris. Keyboard springs dislodged in transit. That is fine. Strangely one of the keys has a missing weight, no where to
RE: [chromapolaris] Changing to 240v
2017-06-11 by conorstrachan@...
Thanks Paul. Looking forward to getting this going in the studio on some tracks!
Re: Midi Control Panel
2017-06-10 by conorstrachan@...
Well I found out it is not 64 bit for mac yet. Which means I can t use it in Logic X or ProTools. Someone should make a CTRL panel for the Chroma Polaris!
RE: [chromapolaris] Changing to 240v
2017-06-10 by Paul D. DeRocco
... There s a slide switch for this purpose inside. You can t miss it. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@ix.netcom.com
Changing to 240v
2017-06-10 by conorstrachan@...
Hi just wondering if anyone knows if it is easy to change the Polaris to operate on 240v for the UK/Europe. Is it an easy thing to do, with jumpers etc.. I
Re: Midi Control Panel
2017-06-10 by conorstrachan@...
Great many thanks! This is exactly what I would use. It seems like there is a way to having it running inside a DAW, Ideally through a Logic instrument track
Re: Midi Control Panel
2017-06-10 by davidl3998@...
Congratulations on getting your Polaris! I don t know of any plug-ins for DAWs, but there is a universal editor/librarian for the Mac that can control the
Midi Control Panel
2017-06-09 by conorstrachan@...
Finally got a Polaris to come over to my studio in the UK. Hard to find over here! Just wondering if anyone knows if there is a programme to control/write/save
RE: [chromapolaris] One voice too quiet
2017-05-31 by Paul D. DeRocco
... Nope. Could be a lot of different things. There s no way to avoid diagnosing it logically by measuring the control signals, listening to the audio signals,
RE: [chromapolaris] One voice too quiet
2017-05-31 by dmxkrew@...
Thanks, any ideas which components might be to blame?
RE: [chromapolaris] Re: VCA Bleed
2017-05-31 by Paul D. DeRocco
... There was an early version of the main board that had a bleedthrough issue, which was fixed in the later version by swapping two of the switches in Zx08 in
Re: VCA Bleed
2017-05-31 by dmxkrew@...
Yes it has! As the original poster said, it seems more like it s coming thru the earth somehow.
RE: [chromapolaris] One voice too quiet
2017-05-31 by Paul D. DeRocco
... No trim for this. If you don t have a scope, you could poke around with an audio probe (an audio input that has a fairly high impedance) and see where in
RE: [chromapolaris] Membrane Panels
2017-05-31 by Paul D. DeRocco
... I m right here. I m currently out of them, but I ll let everyone know when I get another batch. Could be a month or more. -- Ciao, Paul D.
Re: [chromapolaris] Re: VCA Bleed
2017-05-31 by klosmon
Has this unit been calibrated? There are instructions in the service manual for trimming the VCA levels on each voice. Don t have it handy to see which
One voice too quiet
2017-05-31 by dmxkrew@...
Got my Polaris almost perfect now. However, one of the 6 voices is slightly quieter than the others. I have done the volume calibration correctly so that each
Re: VCA Bleed
2017-05-31 by dmxkrew@...
I have this too, very quiet and not making the synth unusable but it would be good to get rid of it. Did anyone find a solution?
Membrane Panels
2017-05-31 by conorstrachan@...
Hello group does anyone know how I can contact Paul about new membrane panels and whether they are still available Cheers Conor
Re: [chromapolaris] connectors for membrane strips
2017-05-22 by klosmon
Thanks for all responses -- found the parts at Mouser. ~G On 5/21/2017 5:43 PM, Paul D. DeRocco pderocco@ix.netcom.com [chromapolaris] wrote: ... and 10
RE: [chromapolaris] connectors for membrane strips
2017-05-22 by Paul D. DeRocco
... Trio-Mate, Tyco Electronics a.k.a. TE Connectivity preferred alternate 5-pin 5-520314-5 5-487508-4 7-pin 5-520314-7 5-520353-7
Re: [chromapolaris] connectors for membrane strips
2017-05-22 by Bob Grieb
Greg, I recently bought this number from Mouser for another project. It s a 20-pin FPC pc mount connector. Just tried it with my broken off bit of flex from
connectors for membrane strips
2017-05-22 by klosmon
Hola -- Currently trying to find replacement connectors (5 and 10 pin) for the plastic membrane strips from the right control panel to the left. Found
Re: [chromapolaris] Re: Polaris PW control
2017-04-10 by klosmon
Thanks! On 4/10/2017 11:02 AM, w.james.meagher@gmail.com [chromapolaris] wrote: Yes it is! Sent from my iPhone
Re: Polaris PW control
2017-04-10 by w.james.meagher@...
Yes it is! Sent from my iPhone
Polaris PW control
2017-04-10 by klosmon
Currently working on a polaris for a friend. Noticing that the pulse width (and PWM) controls affect both the pulse and sawtooth waveforms -- is this
RE: [chromapolaris] well crap....
2017-04-10 by nuwavboy@...
Thanks everyone - for the meantime I have transferred the Polaris into the good hands of Greg - klosmon, he s a few minute drive from me (lucky!) - I am
RE: [chromapolaris] One voice (5) will not tune
2017-04-09 by Paul D. DeRocco
... If your Polaris has socketed chips, which I think they all do, then you can swap one chip at a time between that voice and another. If the problem follows
One voice (5) will not tune
2017-04-09 by listmicrocode@...
Hello, My tech is having a challenge to fix my tuning. I have isolated the issue to voice 5 by referring to the service manual and disabling the voices one by
Re: [chromapolaris] well crap....
2017-04-09 by Bob Grieb
Two of the SRAM chips shown in your photo are not LP types. Those may have standby current high enough to run your batteries down over time. Probably all of
RE: [chromapolaris] Getting close!
2017-04-09 by Paul D. DeRocco
... If you ve got new EPROMs, use them. Whenever you change the OS, you have to do the full calibration procedure. And even if you change RAM chips, you have
Re: [chromapolaris] well crap....
2017-04-08 by David Clarke
... If it looks like you can auto-tune and if all the buttons work, then the machine is at least 90% working (which is a great sign). ... With the changing
Re: [chromapolaris] well crap....
2017-04-08 by Bob Grieb
Also, any chance you have an oscilloscope?
Re: [chromapolaris] well crap....
2017-04-08 by Bob Grieb
Did you try setting the basic sawtooth patch? The service manual explains how to create it.
RE: [chromapolaris] Getting close!
2017-04-08 by Paul D. DeRocco
... Yes. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@ix.netcom.com