Re: [xpantastic] Xpander tuning issue
2018-11-29 by PeWe
Depending on age of the Xpander, recap PSU and electrolytic caps on voiceboard,- at least for that voice #1 and when swapping OSC chips made no difference.
Messages
Browse messages
Page 2 of 32 · 1589 messages matched
Re: [xpantastic] Xpander tuning issue
2018-11-28 by James R. Coplin
Sag from an electrolytic going out on that voice? James
Xpander tuning issue
2018-11-28 by David Cumming
Hi, My Xpander reliably passes all tuning functions but voice 1 goes out of tune (flat) within a few minutes afterwards while the rest stay in tune. I ve tried
Re: [xpantastic] Xpander/M-12 voice volume variations
2018-09-04 by neil loughran
Not sure what you could do but if you know which voices are playing up you could try the following. find a good and a bad voice. 1. turn the rest off so you
Re: [xpantastic] Xpander/M-12 voice volume variations
2018-09-04 by mattvrazo@...
No, definitely not panning related (all are in middle).
Re: [xpantastic] Xpander/M-12 voice volume variations
2018-08-29 by neil loughran
Could it simply be the panning? did you try putting all voices in the centre? ________________________________ From: xpantastic@yahoogroups.com
Xpander/M-12 voice volume variations
2018-08-28 by mattvrazo@...
Hi all, curious if anyone has come across an issue where individual voice volumes on their xpander/M-12 are not the same? On my M-12, I have one voice in
Periodic Clicking From Matrix 12
2018-07-26 by cockandswan@...
I have a Matrix 12 and it s in great shape, but while idle, or while playing, it randomly outputs a little click. It s very random. Sometimes every 5 minutes,
Oscillator 2 constant pitch
2018-07-07 by neil loughran
Hi, I have recently noticed that VCO2 on voice 9 on my Matrix 12 has developed a problem where the pitch is always the same regardless of the note played. The
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-17 by geebeex@...
Hi, FYI, 6 years ago a guy called Christophe Janot posted some messages in the Xpantastic forum about this. I did had some exchanges with him outside
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-15 by Tony Cappellini
Hitachi makes a pin and instruction compatible CPU (6309), I don’t know if they make the B variant though. This CPU can run up to 4 MHZ, where’s the 6809
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-15 by PeWe
... Am 14.06.2018 um 18:03 schrieb Karl Schmeer shire03@sbcglobal.net ... I got it,- thx ! I doubt there´s a o / 0 problem when using your original
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-15 by PeWe
... Am 15.06.2018 um 00:20 schrieb min struct min.struct@libertysurf.fr ... When speeding up CPU frequency by the facor of 4,- in a synthwhere lots of
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-14 by min struct
Hello, Would this work bring any chance to be able to replace the 6809 CPU with an upgraded reference ? What would happen if the CPU frequency would be 4 times
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-14 by deano
Exactly. Of course, if people are happy for board mods, there s a chunk of address space which is just being mirrored for the dealing with output (ie, the last
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-14 by Karl Schmeer
On Thursday, June 14, 2018 11:14 AM, Tony Cappellini cappy2112@gmail.com [xpantastic] wrote: Karl, ... That s too bad.
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-14 by Tony Cappellini
Karl, ... some HP test equipment. there are 4 8K ROMS, and 3 8K RAMS on the processor board, two ROMS and two RAMS on the voice board. The 6809 only has a 64K
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-14 by Karl Schmeer
... Hi PeWe,This is what I am talking about. Permanently assigning some parameters to midi CC s like many current synths are capable of doing. Yes it
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-14 by Tony Cappellini
FYI- thanks everyone for replying. I think some of you may have gotten the wrong idea about my post. I’m not planning on adding any features, nor extensively
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-14 by PeWe
Hi Karl ! A bit O.T. but ... Assigning MIDI CCs to Xpander-parameters like VCF cutoff and MIDI volume works on my Xpander uising the MIDI Controls page. The
Re: [xpantastic] Random patches bounty
2018-06-14 by Tony Cappellini
I agree, changing Xplorer to do that should be trivial. However, anyhting you can do from Xplorer you can do from the Xpander, except for random patch
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-13 by Karl Schmeer
Hi Tony,I have written tons of assembly code for a Motorolla 68HC11 which has a similar instruction set. I would be willing to help with this project any way I
Re: [xpantastic] Random patches bounty
2018-06-13 by Jeremy Smith
... I don t know how to. It shouldn t be hard to program Xplorer to edit the program automatically. Cheers, Jeremy.
Re: [xpantastic] Random patches bounty
2018-06-13 by Tony Cappellini
Hi Jeremy Can t you generate a random patch with Xplorer, then just edit it mnaully with the program to do that? On Wed, Jun 13, 2018 at 2:42 PM Jeremy Smith
Random patches bounty
2018-06-13 by Jeremy Smith
Hi folks, I m willing to pay $100 to the person who can generate a random patch, and make the patch play from the keyboard instead of just a one-shot with no
Re: [xpantastic] Re: Xpander ROM disassembly
2018-06-13 by Tony Cappellini
If I can get it disassembled- correctly I will. I don t have any serious plans other than looking through it to see what might jump out. I don t know if I ll
Re: Xpander ROM disassembly
2018-06-13 by mattvrazo@...
Hi Tony, if you re willing to share, I m curious to know what your plans are for the code?
Re: [xpantastic] Xpander ROM disassembly
2018-06-12 by shalebridge@...
I had tried to do this to the VS but came up short... I ve interleaved the ROMs and the single file works in a VS emulator, but I cant seem to figure out
Re: [xpantastic] Xpander ROM disassembly
2018-06-12 by deano
I ve not done this for the Xpander, but I have for the Prophet VS. I combined the roms into one file using Python - relatively simple script to load a byte
Xpander ROM disassembly
2018-06-12 by Tony Cappellini
Has anyone here attempted to disassemble the XPander or Matrix 12 ROMS? If so, where is the dissembled source code at? If not, what would you recommend using
Re: [xpantastic] Xpander sysex patch spec- the Xplorer version
2018-05-24 by geebeex@...
Hi, you should look at the XpanderSinglePatchViewer.cpp, it is self explanatory there. you have OBWORDS_DATA_LENGTH of data to be repacked as double byte
Re: [xpantastic] Xpander sysex patch spec- the Xplorer version
2018-05-22 by Tony Cappellini
... I have to correct my own calculation, however it still doesn t add up from what i can see. 196 *2 = 392 bytes, including the patch name. Add the first 6
Re: [xpantastic] Xpander sysex patch spec- the Xplorer version
2018-05-22 by Jacob Vosmaer
I think the comments explain it: 188 double bytes data for the values and 8 double bytes for the patch name What is meant by double bytes is some form of
Xpander sysex patch spec- the Xplorer version
2018-05-22 by cappy2112@...
I m trying to understand the calculations that the single patch browser (included with Xplorer) ueses. Looking at XpanderSysEx.h // Single patch data sysex
Re: [xpantastic] Remove cap from panel switch
2018-01-31 by Patrick Edwards
You can use a razor blade to carefully work under the cap and pry it up. That is what I do on old OB s. Don t slip though. On Wed, Jan 31, 2018 at 5:35 AM,
Remove cap from panel switch
2018-01-31 by mathias_cedergren@...
Hi. Is there anyone who knows how to safely open up an Xpander panel switch, i.e. remove the switch cap? /M
Re: Want to trade: CEM 3372 B series chips for C series
2018-01-28 by akva@...
Anybody?
Re: [xpantastic] Xplorer editor is now free
2017-12-18 by geebeex@...
Hi, The project will be released as open source one day. For now I don t have time to cleanup things and migrate the history to Github or similar repository,
Re: [xpantastic] Xplorer editor is now free
2017-12-08 by Jeremy Smith
... One feature I would like - and would pay for - is for random patches to have an option to keyboard track so it s playable and not a one-shot sound. Can
Re: [xpantastic] Xplorer editor is now free
2017-12-08 by neil loughran
Random patch generator along certain themes (i.e. lead, pad, etc) would be great. Also IIRC the MULTI mode was not supported in the editor as the implmentation
Re: Xplorer editor is now free
2017-12-08 by davros303
Great news. On a slightly unrelated note, has anyone ever had a shot at writing new firmware to speed up the responsiveness of the controls? Matrix 1000
Re: [xpantastic] Xplorer editor is now free
2017-12-07 by Tony Cappellini
Yes, I ll second that. it is a very nice patch editor, and the only one which I know of. On Thu, Dec 7, 2017 at 3:28 PM, neil loughran
Re: [xpantastic] Xplorer editor is now free
2017-12-07 by neil loughran
You did a great hob on this. I remember buying it all those years back and it really opened up the synth to me. Thanks again! ________________________________
Re: [xpantastic] Xplorer editor is now free
2017-12-07 by Thomas Dial
Great question! I’m a programmer and would love to work on the project- time permitting of course! Would love to make sure that this awesome project
Re: [xpantastic] Xplorer editor is now free
2017-12-07 by Tony Cappellini
Hi Greg Is the source code available as well? Thanks On Thu, Dec 7, 2017 at 2:25 PM, geebeex@free.fr [xpantastic]
Xplorer editor is now free
2017-12-07 by geebeex@...
Hi, The Xpander/Matrix-12 editor Xplorer is now free :) You can find the latest version and the license on the website:
Re: [xpantastic] Matrix 12 voice fail.
2017-09-04 by neil loughran
Many thanks Karl! ________________________________ From: xpantastic@yahoogroups.com on behalf of Karl Schmeer
Re: [xpantastic] Matrix 12 voice fail.
2017-09-03 by Karl Schmeer
Hi , The top voice board is 1 - 6. The bottom board is voices 7 - 12.So voice 9 is really voice 3 on the bottom board.This is a common fail. More than
Matrix 12 voice fail.
2017-09-03 by neil loughran
Folks! on Autotune I get a Fail on Voice 9. How can I check which is Voice 9 on the voice boards? inside the Matrix 12 I see 2 identical boards one on top of
Re: [xpantastic] Re: Album done mainly on XPander
2017-08-01 by deano
... Oh don t get me wrong, whilst he has obviously added effects and such to that track, a lot of the sounds can be gotten quite easily out of the Xpander. A