[sdiy] DX7 chip die photos

[Tom Wiltshire]

So with a bit more “oomph” in the support processors, the DX7 could have been multitimbral? Interesting possibility!

Tom

==================
       Electric Druid
Synth & Stompbox DIY
==================



> On 13 Nov 2021, at 22:04, Adam Inglis (synthDIY) <synthdiy at adambaby.com> wrote:
> 
> "Curiously, it appears that the chip permits each of the 16 notes to use a different algorithm, even though the DX7 does not support this feature.”
> 
> 
> !!!
> 
> A
> 
>> On 14 Nov 2021, at 4:19 am, Michael Zacherl <sdiy-mz01 at blauwurf.info <mailto:sdiy-mz01 at blauwurf.info>> wrote:
>> 
>> Oh wow  - Ken Shirriff strikes again! ;)
>> I really do love his investigations!
>> Thanks for this!
>> Michael.
>> 
>>> On 13.11.2021, at 19:00, Mike Beauchamp <list at mikebeauchamp.com <mailto:list at mikebeauchamp.com>> wrote:
>>> 
>>> I just saw this on the internets:
>>> 
>>> https://www.righto.com/2021/11/reverse-engineering-yamaha-dx7.html <https://www.righto.com/2021/11/reverse-engineering-yamaha-dx7.html>
>>> 
>>> full res pic: https://static.righto.com/images/dx7/die-labeled.jpg
>>> 
>> 
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