Interesting stuff, and not surprising in light of Oberheim's sound architecture and other devices. I was just thinking about it because I've seen so many other classic drum machines rendered into sound font banks (SF2 files) or in other similar formats.

> -----Original Message-----
> From: oberheim@yahoogroups.com [mailto: oberheim@yahoogroups.com ]
> Sent: Saturday, February 14, 2015 3:11 PM
> To: oberheim@yahoogroups.com
> Subject: Re: [oberheim] Oberheim DX
>
>
>
> Oberheim Drum Machines were not velocity sensitive;like the LM-1
> different levels of the sample were made available by triggering a
> different "note".
> They didn't actually become notes until MIDI was added, but that's how
> it was done.
> MIDI was made available for the DMX and DX around the same time the
> Akai S900 took off, and both machines were soon discontinued. Shame I
> say.
>
> The pure samples are only part of the story, each voice being enveloped
> in various ways by hardware implementation on the 8 voice cards, each
> having a CEM filter chip and DtoA.
>
> Pitch variation with envelope was used on the tom cards, and an
> envelope related closing filter frequency on snare etc to reduce noise
> possibly. If you were keen you could "damp" the lower pitch tom to be
> shorter than the hi tom derived from the same sample. A soldering iron
> and resistors and capacitors were required, but still, heady stuff.
>
> In this way a single sample, treated differently could fool even the
> professional listener into thinking they were hearing multiple samples.
>
> When the Prommer appeared it was possible to load the Prommer with any
> chips you couldn't fit inside the DMX and trigger them from MIDI, but
> the sounds didn't match, without a voice card.
> My expensive solution was multiple DMXs and voice cards. Couldn't
> afford to keep them, though I did get left with many chips and voice
> cards.
> It does take a long time to sample these, and obviously once you choose
> a format, you narrow your choices.
> Eventually I chose Akai S6000, and have transferred sounds from tape
> transfers via my DAW into wavs for the S6000.
> Some years have passed since I began, and no I don't want to donate the
> result of all that effort for free, cruel as that may sound.
>
> There is a DMX to WAV program and the BIN files are out on the
> internet, possibly here in the files section.
> An old PC is required to work this trick I suspect. None of the voice
> card activity would be included of course.
>
> ________________________________
>
> From: "'Nicole Massey' nyyki@... [oberheim]"
> < oberheim@yahoogroups.com >
> To: oberheim@yahoogroups.com
> Sent: Saturday, 14 February 2015, 20:23
> Subject: RE: [oberheim] Oberheim DX
>
>
>
> I've noticed that the X series drum machines by Oberheim are one of the
> rare classic drum machine sounds not found in sound font files or SFZ
> format sound maps. That'd be kind of cool, but it'd take someone
> recording each sound. (Were they velocity sensitive )
>
> > -----Original Message-----
> > From: oberheim@yahoogroups.com [mailto: oberheim@yahoogroups.com ]
> > Sent: Saturday, February 14, 2015 2:03 PM
> > To: oberheim@yahoogroups.com
> > Subject: Re: [oberheim] Oberheim DX [1 Attachment]
> >
> >
> > [Attachment(s) from Les Lambert included below]
> >
> > I have a cassette of the last edition of the DMX, from the Rev 4
> > factory fitted MIDI machines.
> > I may have a wav, but I probably have a MIDI dump as that made more
> > sense at the time.
> > I'll have a look.
> > Yes attempting attachment.
> >
> >
> > ________________________________
> >
> > From: " newallianceeast@... [oberheim]"
> < oberheim@yahoogroups.com >
> > To: oberheim@yahoogroups.com
> > Sent: Saturday, 14 February 2015, 19:48
> > Subject: [oberheim] Oberheim DX
> >
> >
> >
> > anyone have one or better yet have the WAV file of the factory
> patches
> >
> >
> > thanks!
> >
> >
> >
> >
>
>
>
>
>
>