[sdiy] Re: Prophet 08 (was Roland DCOs)

[Bruce Duncan]

>
>>
>>>I was also
>>>surprised by the ceramic chip caps used in the filter, after hearing
>>>discussion about the suitability of different cap materials for audio
>>>use (makes me wonder if the Moog LP uses chip caps in their filter).
>>
>>Its peculiar indeed, i have studied the Andromeda and it seams to
>>use ceramic caps as well.
>
>Although it might not be a great idea, commercial synths often seem
>to use it as a way to keep costs down. I can't think of any other
>reason why you'd want to put ceramics in there.


SMT film capacitors are large in size, expensive and hard to find in 
a wide range of values in anything other than garden variety polyester.
This is probably the reason ceramics end up on SMT boards in commercial synths.

Bruce