Re: question about a pristine, nonworking polaris
2012-10-03 by Daniel A
Zach, I am the person who did the repair work on that Polaris 5 years ago. And recommended that you join this group through the seller. The solution is to
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RE: [chromapolaris] Re: question about a pristine, nonworking polaris
2012-10-03 by Paul D. DeRocco
... No, you ll have nothing in your memory. But your description of the behavior of the instrument makes me wonder if you even have anything in the memory.
Re: question about a pristine, nonworking polaris
2012-10-03 by zach phillips
thanks everyone, I really appreciate it. I will be trying various things tonight. I already went through the giant list of secret functions (lower function + D
RE: [chromapolaris] question about a pristine, nonworking polaris
2012-10-02 by Paul D. DeRocco
... Do all the factory calibrations listed in chapter 6 of the service manual. This will erase your memory, so if you ve got anything in there that you care
RE: [chromapolaris] question about a pristine, nonworking polaris
2012-10-02 by Brigman, Corley
you don t even need to retune... you can just turn the voices on yourself (and i do forget the sequence). the filter will self-oscillate, so you can turn the
Re: [chromapolaris] question about a pristine, nonworking polaris
2012-10-02 by Gregory Cox
Try the autotune procedure (you will have to refer to the manual since I m not near my polaris) My polaris didn t work until I did this so maybe you will also
question about a pristine, nonworking polaris
2012-10-02 by zach phillips
hello everyone, I m sorry to bother you but I have a question for you about an apparently nonworking polaris in absolutely phenomenal physical condition. it
connectors Trio-mate needed
2012-09-29 by atuzzi
Hello friends I need 2 tyco Trio-mate connector 7 poles and 2 10 poles... (hopefully boardmount right angle) the ones named J9A and J9B in the chroma polaris
Re: Error in Chroma Polaris schematic
2012-09-21 by Robert Weigel
This is as Paul noted probably a version change. They hacked a trace and put a wire to the 4053 (right next tot he vcf/vca chip) chip s pin 13 as I recall and
Re: [chromapolaris] Re: Polaris parts
2012-09-21 by john.leimseider@nmc.ca
... sliders are $25 shipped. A full set is $135 shipped. I m obviously trying to sell sets, not singles because I have to go to the pst office and it costs me
Re: [chromapolaris] Error in Chroma Polaris schematic
2012-09-21 by Chris Ryan
... Could someone point out to me where this is and on which schematic? I ll fix it on the site. Thanks, Chris
Re: Polaris parts
2012-09-21 by steven
i couldnt find your listing on ebay--- is it under chroma polaris? im looking for one slider
Re: Strange modulation emerging during decay on 1-3
2012-09-20 by Robert Weigel
I wouldn t have thought so Paul. Here s what happened when I started swapping vcf/vca chips to try to even the levels out just for the fun of it... ...
Re: Error in Chroma Polaris schematic
2012-09-20 by Robert Weigel
I figured maybe since they hacked the wire onto a pin sticking out sideways.. lol. But HEY I got the problem solved it appears... the vca discrepancies
RE: [chromapolaris] Re: Strange modulation emerging during decay on 1-3
2012-09-20 by Paul D. DeRocco
... The order in which things are tuned is channel 1 through channel 6. Within each channel, it tunes pitch 1, pitch 2, width 1, width 2 and cutoff. The Tune
RE: [chromapolaris] Error in Chroma Polaris schematic
2012-09-20 by Paul D. DeRocco
... I think there may have been two versions of the board. They switched the sections to move the output summing bus away from some noisy line, probably
Error in Chroma Polaris schematic
2012-09-20 by Robert Weigel
While we re at it... at least for 300477 that I have here... they switch the pin numbers of the 4053 section that does the main /alt out switching and the sync
Re: Strange modulation emerging during decay on 1-3
2012-09-20 by Robert Weigel
... PS I checked the tune buffer in also and it looks about the same on all channels. Actually 5 s signal looks just a hair hotter for some reason. 5% maybe.
Re: Strange modulation emerging during decay on 1-3
2012-09-19 by Robert Weigel
Paul, the reason 5 isn t tuning is still a mystery. I swapped all the chips. No result. However the reading I was getting... that was on the wrong resistor.
Re: Strange modulation emerging during decay on 1-3
2012-09-19 by Robert Weigel
ahh it seems i finally got a stress correlation on a socket and worked that stuff over and it seems we ve got reasonably close noise baselines except..on 5
Re: Strange modulation emerging during decay on 1-3
2012-09-19 by Robert Weigel
Sorry yeah I was just adding some vca release time to a scratch sound.
RE: [chromapolaris] Re: Strange modulation emerging during decay on 1-3
2012-09-19 by Paul D. DeRocco
... Well, now I m confused. Your last post said, Sustains with that level at zero then turns off w/out it moving. Could you rephrase that? Are you playing a
Re: Strange modulation emerging during decay on 1-3
2012-09-19 by synthwookie
Yeah Paul it doesn t seem to do that... if you turn the voice off it goes to negative volts again. But as soon as you hit a note the volume goes to zero and
RE: [chromapolaris] Strange modulation emerging during decay on 1-3
2012-09-19 by Paul D. DeRocco
... Yup, that s what leakage looks like. ... Not sure what you mean by Sustains with that level at zero then turns off w/out it moving. However, I do recall
Strange modulation emerging during decay on 1-3
2012-09-19 by Robert Weigel
For some reason the other voices sound fine. 3 was the worst. After cleaning things up a bit..now 2 is what three was. Oh and I swapped out the fast 4051
Re: Polaris parts
2012-09-18 by syntegrator
Hi John, Thanks for the update on the parts you have available! Regarding the slider knobs - I tried emailing chipforbrains (as per Paul s suggestion)
Polaris parts
2012-09-18 by jleimseider
I did find my stash of Polaris sliders. I also have about a dozen of the original DACs, plus a lot of CEM3372 VCF/VCA chips. Let me know if you need any of
Chroma Polaris on Facebook
2012-09-18 by chadgrisly
If you re on Facebook, don t forget to like the Chroma Polaris.
Re: [chromapolaris] Two Chroma Polaris newbie questions
2012-09-14 by w.james.meagher@gmail.com
... Damn, and I promised you I d stop harping on about the replacement output board. Even knowing about the Polaris s noisy outputs I was a bit surprised at
RE: [chromapolaris] Two Chroma Polaris newbie questions
2012-09-13 by Paul D. DeRocco
... Yes. A replacement output board that fixes the nasty noise problems in the Polaris should be available in the not too distant future. ... When you select
Two Chroma Polaris newbie questions
2012-09-13 by w.james.meagher@gmail.com
Hello, Two quick questions after having played my Polaris for about ten minutes since buying and repairing it: 1. Is everyone else s headphone jack quite
Decent deal in Portland?
2012-09-13 by w.james.meagher@gmail.com
http://portland.craigslist.org/mlt/msg/3267804379.html Looks like a potential decent deal perhaps if anyone s Portland-local and looking.
RE: [chromapolaris] Parts Help (High Output Jack replacement + thin, black stripping that runs top length of membrane panels)
2012-09-11 by Paul D. DeRocco
... Glad they worked out for you. ... The three audio output jacks are kind of odd, because they have an unusually fat bushing. The hole diameter is about
[chromapolaris] Parts Help (High Output Jack replacement + thin, black stripping that runs top length of membrane panels)
2012-09-11 by james meagher
Hello, My Polaris arrived today and I must say that I was very excited to see that it is in way better cosmetic condition than I was expecting. I got straight
Re: chroma polaris in the shop
2012-09-05 by Paul Kavicky
Thanks. Will look into volume offset adjustment. cheers, Paul Kavicky Paper Street Audio Company www.paperstreetaudio.com
Re: [chromapolaris] chroma polaris in the shop
2012-09-05 by Pierre en Mirjam Steltenpool
Hello Chris, I don t want to receive any mail from you or others about chromapolaris! Do you want to remove us from your list? Thank you. Mirjam ... From:
Re: [chromapolaris] chroma polaris in the shop
2012-09-05 by Chris Ryan
... Here: http://www.rhodeschroma.com/?id=polarisserviceadjustmentscheckout#volumeoffset Chris
RE: [chromapolaris] chroma polaris in the shop
2012-09-04 by Paul D. DeRocco
... Sounds like you need to do the volume offset adjustment, which is described on page 6-4 of the service manual. You could do that yourself in a few minutes.
chroma polaris in the shop
2012-09-04 by Paul
Hi all Love my chroma polaris. It s maybe the third I ve had. Recently replaced the panels and put a new battery in. I had been away touring for some time and
Re: [chromapolaris] Polaris output advice
2012-09-04 by james meagher
My intention was that the below message go to member *picardjeanluc *only - I m not too sure why this private email went out to the whole list. But if anyone
Polaris output advice
2012-09-04 by wjmwpg
As there is yet a replacement output board for the Polaris I ve been searching around for the best current improvement to the LM348. I found that you wrote
Re: [chromapolaris] Re: Do any Polarises have unsocketed ICs?
2012-09-02 by james meagher
On Wed, Aug 29, 2012 at 2:31 PM, Paul D. DeRocco wrote ... Thanks for that info. I d be happy with a schematic and parts list (hand
RE: [chromapolaris] Release not working properly
2012-08-30 by Paul D. DeRocco
... It sounds like there is some major source of constant offset in the DAC circuit. Or perhaps there is a bad power supply. Have you measured all the supply
RE: [chromapolaris] Re: Do any Polarises have unsocketed ICs?
2012-08-29 by Paul D. DeRocco
... My friend has built one replacement output board, and it works nicely, but hasn t done a production run yet. I ll try to light a fire under him. I have
Re: Do any Polarises have unsocketed ICs?
2012-08-29 by wjmwpg
I ve been searching the list-posts to see if this output board ever came to fruition but haven t found anything . . . did this ever happen? Alternatively, are
Re: [chromapolaris] US Based Polaris Tech?
2012-08-07 by Chris Ryan
... See Rhodes Chroma: Service Centres. Many of these techs know the Polaris as well as the original Chroma. Chris
US Based Polaris Tech?
2012-08-07 by ktfiz
I m looking for recommendations for a US based tech to repair my Chroma Polaris tuning issues. Would like a tech experienced in repairing and re-calibrating
RE: [chromapolaris] Chroma Polaris Sliders
2012-08-07 by Paul D. DeRocco
... Copies are available from Technology Transplant, whom you can contact at mailto:chipforbrains@yahoo.com. Last I checked, they were $2.50 each, or $40 a
Chroma Polaris Sliders
2012-08-07 by marcodefcode
Hi everyone! Anyone knows where I can get a couple of knobs for the sliders for the Chroma Polaris? I recently bought one in good shape but missing 2 sliders
Re: Load sysex program patches from Alesis Datadisk?
2012-07-30 by denpeters2001
That s perfect Paul. I am a windows user, and have used the Midi-Ox program before. Just have to dig up a machine with MIDI ports, or find a card and a