[sdiy] ARP Quadra - Gilbert Cells VCAs?!?

paula at synth.net paula at synth.net
Mon May 7 16:36:04 CEST 2018


"If it ain't broke, don't fix it"

On 2018-05-07 04:53, Michael E Caloroso wrote:
> ARP seemed to be stuck in discrete land (and TOS systems) for a long
> time with their circuit designs.  They were very late in the change of
> that paradigm by the time they designed the Chroma.
> 
> Heck, they were still using 128bit PROMs (not *KB*) in their 16 voice
> pianos into 1981!
> 
> MC
> 
> On 5/6/18, Ben Bradley <ben.pi.bradley at gmail.com> wrote:
>> What I wonder is why do it with discretes when chip implementations
>> were (and are) available. This site describes the Motorola MC1496 as
>> "horribly obsolete" yet it's still available in SOIC at Digikey:
>> 
>> https://www.radiomuseum.org/forum/mc1496_mc1496.html
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