Hawkeye

Hola, Sampled my gf in all positions for this one :-) The arpeggio is from a MBSID, of course! Greetz from south france, Peter

Thanks J :-) You will finish your modular seq @ a day and then rule the world :-))

yes, had the same problem with the same lcd :-) never trust anyone :-)

Thanks a lot, mate :-). It was very quickly made... so quite some imperfections are audible, but nevermind - hope to hear moar tracks from other MIDIboxers, too :-) Have a great day! Greets, Peter

Tim can almost always help out: http://www.midibox-shop.com/buy.html You can probably get the Base PCB without the CS PCB, if you ask him :-) Greets, Peter

Although nILS undisputedly rocks the house (hope he is back safe and sound from france), JRock inspired me to have another live session (by far not enough music making lately) - here is MBSEQ V4 vs Access Virus C (distortion unit, need headphones :-)) The SEQ grows moar and moar awesome - incredible what you can do with it in half an hour... where will it end??!? :rolleyes: Thanks for watching and have a great time! Greets, Peter

Yes, the vocoder is great! Man, this inspires me to make more music and do another quick live track :-) Thanks,dude! Greets, Peter

Related to Step 22: Building a linear PSU Update: The new PSU had - depending on week day and weather :-) - some small noise issues... it was never really bad... but perceptible... like a 50hz hum and some infrequent "crackles"... I really wanted to solve the problem and was wondering why the new PSU wasn´t better in terms of noise than the old PSU... it has quality components all over... so... back to the assembly table :-) After bugging Antix (because he built an identical PSU) and getting lots of feedback from orange_hand... the following tuning steps were performed... a) Installation of a second 2200uF capacitator in parallel to the first one... which improves ripple filtering (thanks for that tip, Antix!). b) Very close installation of the 100nF filtering capacitators to the 78S05 voltage regulator (you can directly solder them on the 78S05 pins, these capacitators are tiny) - this helped a lot... any connection longer than a few centimeters seems to act like an antenna and picks up transformer hum and switching psu noise from nearby synth switchers (thanks a lot for that tip, orange_hand!) I did some A-B recording tests (using an old C64 PSU as a sparring partner) with the same unplayed patch ("silence" output from the MB6582 SID pair 1) at the same recording levels using max line-in gain on a tascam dr-100 audio recorder, recording 24bit, 48khz wavs... And yes... there is a difference... see photo 1... after amplifying both waveforms once again with 45.5db in audacity, the lower waveform (old C64 "elephant foot" PSU) reached the maximum amplitude... the upper waveform (new linear PSU) was more silent (and has 2.5db more room to the amplitude max after amplification). It is a barely audible difference when using headphones during A-B tests, but every little bit of noise reduction counts... it is very well audible, when amplified... so... mission accomplished :smile:. Apart from the improved protection of the SIDs, it might make sense to build such a PSU just because of the lower noise level. Greets! Peter

Very nice! :yes:

Yo :-) With the new synced unmute/Mute feature, it works as cool as synced clip starts/stops in ableton :-) The seq can do soo much more... but using it like this alone is already 1000% awesome :-) Greets! Peter

Hi fussylizard, it surely is not the "standard" way to use the seq - but for live fun, i mostly use the 16 tracks as individual synced-unmutable sequences (like ableton clips), this is mostly always enough for a song and its variations (am not using song mode or pattern switching at all). You can organize the tracks (shift them around to bring them in a more logical order) with the new cool "track clone" feature. Greets and have fun! Peter

Wow, very active topic - just been away a few hourz and everything has been said meanwhile :) Greets to all :-) Regarding h) - as jojjelito mentioned, the chip name is LM3915... I wanted vu-meters for all channels for the bling and also for better visualization of channel activity (peak levels), etc... something i am missing on my mackie (am aware of "solo monitoring ":-)). Just one other brainstorming point regarding modularity and expansion... as you said, it is a tree... but wouldn´t it be great, if you could just add other "tree" elements to the core mixer module and make the separated UI switchable between the channels? Good luck with the project! Peter

Hi psykhaze... very interesting project... I was evaluating stuff like this before I got an old analog mixer to get going (but still thinking of it)... I didn´t read the datasheet yet, but would have a few things to add to the brainstorming... a) Add "Fx Sends" channels... nothing is better than combining a great synth with cool external fx units (you don´t need returns, you can just use another input channel for that) b) Add panning control per channel strip c) Add motorfaders for automation? If done so, Treble/Mid/High/Panning/Send1...4 could be controlled and automated by the same motorfaders (just switch the mode) d) use 2x40 character displays over the channel strips for "local" parameter/automation display e) Build all channel strips identically and if possible modular, so that you can extend to 24 or 32 channels when your synth park grows. f) Use the new LPC17 core instead of the old PIC core - and code in C instead of asm. g) Add a "bargraph" led audio level meter (there are dedicated chips for that, i found them in an earlier thread) for the output - and add a dedicated output level fader h) Add a channel "bargraph" led audio level meter per channel (post-fader). i) Last, but not least... separate the user interface (basically just displays, motorfaders, VU level led matrices and switches) from the mixer for easier scalability, e.g. you could build one cheaper switchable 8-Channel UI for a total of 32 mixer channels. This also makes develpment easier and offers better "in studio placement". Communicate via MIDI or ethernet. Greets and have fun! Peter

Very cool video! Am really looking forward to the recording mode upgrade of the big brother :) Greets, Peter

Yes, very nice! Green/black/white knobs ftw :) Well done!