Altitude
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Posts posted by Altitude
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you are supposed to see blocks until you load mios
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It's not,I still get the same 9.05 volts?
Sounds like you stuffed the 7809 instead of the 7812. Measure the DC voltage on the input leg of you regulator vs the output (they are the outside legs)
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using a 12VAC supply should be enough since it will be more than 12VDC when rectified
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Ok, I did some more testing and the way to go is just to cut the holes out after it has been applied but before clear coat. Its a snap to do with a xacto knife, i would post pics but the clear coat i used made a mess so i wont bother.
Next up, clear coat tests..
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sorry, must have missed your question.
if you have to cut out the holes and slots in the lazertran before you apply itI dont know yet. I'm doing another trail to find that out this week since my panel will come with holes in it already
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I dont know what a monophonic sequencer like the 303's would give you since both those synths are polyphonic and the DX is a 4 op FM synth (no analog goodness there). the JX should better but it has very limited midi control so a variable portamento controlled via midi may not be possible. It would need to be controlled like TK mentioned
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The way this is implemented on the x0xb0x, MAM MB33, and IIRC the 3031 is that the synth looks for note off events. If it sees one it shuts the gate, if not then it slides from one note to another without shutting the gate so in an external sequencer, you just need to have the note that its slides from "go" beyond the start of the note it slides into. The x0x will actually send out midi slides like this also
Emulating TB303 sequences completely via MIDI is mostly not possible, because synths normaly don't provide a way to change the pitch to a new note and to activate the slide without triggering the gate.
See also http://www.ucapps.de/howto_sid_bassline.html, example for the Code "26"
Such a function can be partly simulated by dynamically switching between mono and legato mode via CC, but the implementation depends heavily on the capabilities of the target synth.
Best Regards, Thorsten.
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why not go for just a module clone
Check out the oakley 3031. Good stuff
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Steve,
I sympathize but in all fairness setting a tiny isolation on a trace where its not needed from a budget board house is kinda asking for trouble
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y not use 8 banksticks?
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I think the point that Otterfan was making was that the PG200 does not use midi to communicate (just the port) and there is no sysex implementation on the Jx3p, its some proprietary roland thing that just happens to use the midi port
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http://www.maplin.co.uk/Search.aspx?criteria=AQ97F&DOY=12m9#
probably not over kill. bridge rectifiers are all designed for high voltages. W04's are what are included in the smash kits
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Unfortunately the PG-200 doesn't use MIDI to communicate but rather a proprietary Roland digital protocol
I guess that is that without the midi kit. I'm sure the software on that page is worth looking at though and could be used to make a MBHP controller for it
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I do that with midiquest all the time to program my Novation Remote, simply sniff the output port when moving the onscreen controls, look at the min and max values and your done. I'm sure the older stuff does not have that complicated of a sysex implementation
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it's a simple fix, one wire to the one of the pins on the core (J7) to one of the legs from where the old osc was (look at the trace, it goes directly to the CLK pin, its pretty obvious)
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9090 is stuffed and i'm just waiting for pots from the UK to arrive (no one stateside sources that i could find). I bought some 2u cases from a place called enclosures and cases in MN. They are all aluminum with extruded sides and are pretty nice (and cheap, 65$ each). I'm in the process of finding some 909ish knobs so i am holding off sending the panels for machining but I should be firing up for the first time in the next couple of weeks
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I'm in the midst of wrapping up my 9090 so all my time is committed to that but i have plans to work on it this weekend since I have all the parts I need for the MOSFET based one. All my MBHP stuff is on the slow development path since I have so much left to do as far as the C surface goes and the mixer
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ok cool. am i right in thinking that 4 SID boards won't pull more than 400mA? would a 600mA rated trafo be ok in that case?
Based on what I measured, yes
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I think he was wondering about the cool 3d renders of the board
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just the 5V rail.
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ST and TI both make 2 amp 7805's in a TO-220 package. Thats what I'm using and you should check them out since normally they only go to one amp in the medium size package and after crunching the numbers, I can see getting to over 1 amp with a C control surface
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they should be removed and bridged, the 5V coming from the optimized psu is already 5v
Sid module power ? ?
in MIDIbox SID
Posted
It will once you upload MIOS
read this:
http://ucapps.de/mios_bootstrap_newbies.html